Poster papers / Circulars
- The HORUS Observatory – a Next Generation Mission to Study
Planetary, Stellar and Galactic Formation,
P.A. Scowen, M. Beasley, B. Cooke, B. Woodruff,
D. Calzetti, S. Desch, A. Fullerton, J. Gallagher,
P. Hartigan, R.A. Jansen, T. Lauer, R. O'Connell,
S. Oey, D. Padgett, A. Roberge, O. Siegmund,
N. Smith, D. Stern, J. Tumlinson, & R. Windhorst,
2010, poster #481.06, presented at the 215th AAS Meeting,
Washington DC, Jan 7
- The HST Wide Field Camera 3 Early Release Science Data:
Panchromatic Faint Object Counts from 0.2–2μm to AB = 26–27
mag, R.A. Windhorst, P. McCarthy, S. Cohen, R. Ryan,
S. Driver, N. Hathi, R.A. Jansen, A. Koekemoer,
M Mechtley, R. O'Connell, M Rutkowski, H. Yan, & the
WFC3 Scientific Oversight Committee, 2010, poster #463.27, presented at the
215th AAS Meeting, Washington DC, Jan 6
- Revealing the Stellar Populations Underlying the Dust in
NGC 959,
K. Tamura, R.A. Jansen, P.B. Eskridge, S.H. Cohen,
& R.A. Windhorst, 2010, poster #432.12, presented at the
215th AAS Meeting, Washington DC, Jan 5
- "From Cosmic Dawn to Our Solar System: A
Next-Generation UV–Optical Space Facility for the Study of Star
Formation",
R.A. Jansen, P. Scowen, M. Beasley, D. Calzetti,
S. Desch, A. Fullerton, J. Gallagher, S. Malhotra,
M. McCaughrean, S. Nikzad, R. O'Connell, S. Oey,
D. Padgett, J. Rhoads, A. Roberge, O. Siegmund,
N. Smith, D. Stern, J. Tumlinson, R. Windhorst,
R. Woodruff, K. Sembach, & D. Spergel, 2009, presented
at the "Beyond JWST: The Next Steps in UV-Optical-NIR Astronomy" workshop
held at STScI, Baltimore MD, Mar 26–27
-
"Design Reference Science Program
for the Star Formation Camera aboard the THEIA Space
Telescope",
R.A. Jansen, P. Scowen, M. Beasley, D. Calzetti,
S. Desch, A. Fullerton, J. Gallagher, S. Malhotra,
M. McCaughrean, S. Nikzad, R. O'Connell, S. Oey,
D. Padgett, J. Rhoads, A. Roberge, O. Siegmund,
N. Smith, D. Stern, J. Tumlinson, R. Windhorst,
R. Woodruff, K. Sembach, & D. Spergel, 2009, presented
at the 213th AAS Meeting, Long Beach CA, Jan 4–8
- "Design and
Implementation of the Widefield High-Resolution UV/Optical Star
Formation Camera for the THEIA Mission",
P.A. Scowen, R.A. Jansen, M. Beasley, S. Macenka,
S. Shaklan, D. Calzetti, S. Desch, A. Fullerton,
J. Gallagher, S. Malhotra, M. McCaughrean, S. Nikzad,
R. O'Connell, S. Oey, D. Padgett, J. Rhoads,
A. Roberge, O. Siegmund, N. Smith, D. Stern,
J. Tumlinson, R. Windhorst, R. Woodruff, D. Spergel,
& K. Sembach, 2009, presented at the 213th AAS Meeting,
Long Beach CA, Jan 4–8
- "The
THEIA Mission Science and General Astrophysics",
S. Seager, D. Spergel, P. Scowen, R. Jansen,
K. Sembach, A. Dressler, S. Heap, E. Jenkins,
J. Kasdin, M. Kuchner, D. Lindler, R. O'Connell,
X. Prochaska, J. Rhoads, A. Roberge, M. Shull,
and the THEIA Team, 2009, presented at the 213th AAS
Meeting, Long Beach CA, Jan 4–8
- "THEIA:
Telescope for Habitable Exoplanets and Interstellar/Intergalactic
Astronomy", D.N. Spergel, J. Kasdin, R. Belikov,
P. Atcheson, M. Beasley, D. Calzetti, B. Cameron,
C. Copi, S. Desch, A. Dressler, D. Ebbets,
R. Egerman, A. Fullerton, J. Gallagher, J. Green,
O. Guyon, S. Heap, R. Jansen, E. Jenkins,
J. Kasting, R. Keski-Kuha, M. Kuchner, R. Lee,
D. Lindler, R. Linfield, D. Lisman, R. Lyon,
S. Malhotra, G. Mathews, M. McCaughrean, J. Mentzel,
M. Mountain, S. Nikzad, R. O'Connell, S. Oey,
D. Padgett, B. Parvin, J. Procashka, W. Reeve,
I.N. Reid, J. Rhoads, A. Roberge, B. Saif,
P. Scowen, S. Seager, O. Seigmund, K. Sembach,
S. Shaklan, M. Shull, & R. Soummer, 2009, presented at
the 213th AAS Meeting, Long Beach CA, Jan 4–8
- "Mapping the
Spatial Distribution of Dust Extinction within NGC 0959",
K. Tamura, R.A. Jansen, & R.A. Windhorst, 2009,
presented at the 213th AAS Meeting, Long Beach CA, Jan 4–8
- "Radial
Change of Stellar Populations in the Extremely Metal-Poor Galaxy
CGCG 269-049", H. Kim, R.A. Jansen,
R.A. Windhorst, & M.R. Corbin, 2009, presented at the
213th AAS Meeting, Long Beach CA, Jan 4–8
(Chambliss Student Achievement Award –
Gold Medal)
- "From Cosmic Dawn to Our Solar System: A
Next-Generation UV–Optical Space Facility for the Study of Star
Formation", R.A. Jansen, P. Scowen, M. Beasley,
and the SFO Science Team, 2008, presented at the JENAM2008
conference, Vienna (Austria), Sep 8–12
- "The Star Formation Observatory (SFO) Mission to Study Cosmic
Origins Near and Far", P. Scowen, R. Jansen,
M. Beasley, S. Nikzad, O. Siegmund, R. Woodruff, and
the SFO Science Team, 2008, presented at the SPIE Astronomical
Instrumentation I meeting, Marseille (France), Jun 23–28
- "Technical
Aspects of How the James Webb Space Telescope Can Measure First
Light, Reionization, And Galaxy Assembly", R.A. Windhorst,
R.A. Jansen, S.H. Cohen, M. Mechtley, N.P. Hathi,
R.E. Ryan Jr, H. Yan, & C.J. Conselice 2008,
presented at the 211th AAS Meeting, Austin TX, Jan 7–11
- "PSF Photometry
of HST ACS/HRC Images of CGCG 269-049, H. Kim,
R.A. Jansen, M.R. Corbin, R.A. Windhorst &
R. Cid Fernandes 2008, presented at the 211th AAS
Meeting, Austin TX, Jan 7–11
- "Multi-Color
Pixel-Based Analysis of Nearby Galaxies", K. Tamura,
R.A. Windhorst, & R.A. Jansen 2008, presented at the
211th AAS Meeting, Austin TX, Jan 7–11
- "Surface Brightness Profiles of Composite Images of Compact Galaxies at
z~4–6 in the HUDF", N.P. Hathi, R.A. Jansen,
R.A. Windhorst, & S.H. Cohen 2007, presented at workshop on
``Astrophysics in the Next Decade: JWST and Concurrent Facilities'',
Tucson AZ, Sep 24–27
- "Technical aspects of how JWST can measure First Light, Reionization,
and Galaxy Assembly", R.A. Windhorst, R.A. Jansen,
S.H. Cohen, N.P. Hathi, M. Mechtley, R.E. Ryan Jr.,
H. Yan, & C.J. Conselice 2007, presented at workshop on
``Astrophysics in the Next Decade: JWST and Concurrent Facilities'',
Tucson AZ, Sep 24–27
- "The Dependence of Galaxy Structure on Rest-frame Wavelength and Galaxy
Type", V.A. Taylor-Mager, C.J. Conselice, R.A. Windhorst,
& R.A. Jansen 2007, presented at the workshop ``A New Zeal
for Old Galaxies'', Rotorua, New Zealand, Mar 25–30.
- "The Nearby and Extremely Metal-Poor Galaxy CGCG 269-049", M.R. Corbin,
H. Kim, R. Jansen, & R. Cid Fernandes 2007,
presented at the workshop ``A New Zeal for Old Galaxies'', Rotorua,
New Zealand, Mar 25–30.
- "How can the James Webb Space Telescope measure First Light,
Reionization, and Galaxy Assembly?", R.A. Windhorst,
R.A. Jansen, S.H. Cohen, M. Mechtley,
H.-J. Yan & C.J. Conselice 2007, presented at the
209th AAS/AAPT Joint Meeting, Seattle WA, Jan 5–10.
A full-resolution PDF version is available
here.
- "Surface Brightness Properties of z~4–6 Galaxies in the
HUDF", N.P. Hathi, R.A. Jansen, S.H. Cohen,
R.A. Windhorst, S. Malhotra & J. Rhoads 2007,
presented at the 209th AAS/AAPT Joint Meeting, Seattle WA,
Jan 5–10
(Chambliss Student Achievement Awards –
Honorable Mention)
- "The Unresolved Stellar Populations of Galaxies in the HUDF",
R.E. Ryan Jr., R.A. Jansen, S.H. Cohen, &
R.A. Windhorst 2007, presented at the 209th AAS/AAPT
Joint Meeting, Seattle WA, Jan 5–10
(Chambliss Student Achievement Awards –
Honorable Mention)
- "HST and Spitzer
Observations of Extremely Metal-Poor Galaxies", M.R. Corbin,
R.A. Jansen & D. Burstein 2006, presented at the
workshop on ``Making the Most of the Great Observatories'', Pasadena CA,
May 22–24
-
"How can the James Webb Space Telescope measure First Light,
Reionization, and Galaxy Assembly?", R.A. Windhorst,
R.A. Jansen, S.H. Cohen, H.-J. Yan &
C.J. Concelice 2006, presented at the 207th AAS Meeting,
Washington DC, Jan 8–12
-
"Clues to Galaxy Assembly: Tadpole Galaxies in the Hubble Ultra Deep
Field", A.N. Straughn, S.H. Cohen,
R.E. Ryan, Jr., N.P. Hathi, R.A. Windhorst &
R.A. Jansen 2006, presented at the 207th AAS
Meeting, Washington DC, Jan 8–12
-
"ORION: Hierarchical Space-based Observations of Star Formation, From Near
to Far", P.A. Scowen, J.A. Morse, M. Beasley, T. Veach
and the ORION Science Team 2006, in the proceedings of the 207th
AAS Meeting, Jan 8–12
-
"SN 2005bk in MCG +07-33-27", R.A. Jansen, K. Tamura,
& N.A. Grogin 2005, IAUC no. 8512 (this SN was confirmed
and typed in
IAUC no. 8514 by Ganeshalingam et al.)
-
"Hubble Space Telescope Imaging of the Extremely Metal-Poor Galaxy
SDSS J0133+1342", M.R. Corbin, W.D. Vacca, J.E. Hibbard,
R.S. Somerville, R.A. Jansen, R.A. Windhorst &
P.A. Scowen 2005, presented at the 205th AAS Meeting,
San Diego CA, Jan 10–14
-
"Resolved Stars and Unresolved Light in NGC 1311",
P.B. Eskridge, A.J. Monson, R.A. Jansen,
V.A. Taylor, R.A. Windhorst & R. de Grijs 2005,
presented at the 205th AAS Meeting, San Diego CA,
Jan 10–14
-
"A Systematic Survey of Star Formation with the ORION MIDEX Mission",
P. Scowen, J. Morse, M. Beasley, J. Hester,
R. Windhorst, S. Desch, R. Jansen, D. Calzetti,
D. Padgett, P. Hartigan, S. Oey, J. Bally,
J. Gallagher, R. O'Connell, R. Kennicutt, T. Lauer
& M. McCaughrean 2005, presented at the 205th AAS
Meeting, San Diego CA, Jan 10–14
- "HST ACS/WFC Hα
Imaging of Nearby Late-type Galaxies'', R.A. Jansen 2004,
presented at the October Astrophysics Conference on "New Windows on Star
Formation in the Cosmos", College Park MD, Oct 11–13
- "The HORUS Origins Science Mission:
A Comprehensive Study of Planetary, Star and Galaxy Formation",
P. Scowen, J. Morse, M. Beasley, J. Hester,
R. Windhorst, S. Desch, R. Jansen, D. Calzetti,
D. Padgett, P. Hartigan, S. Oey, J. Bally,
J. Gallagher, R. O'Connell, R. Kennicutt, T. Lauer,
J. Bechtold, J. Tumlinson, M. McGrath, A. Roberge,
C. Johns-Krull, D. Stern, O. Siegmund &
R. Woodruff 2004, presented at the 204th AAS Meeting,
Denver CO, May 30–Jun 3
-
"A Systematic Survey of Star Formation with the ORION MIDEX Mission",
P. Scowen, J. Morse, M. Beasley, J. Hester,
R. Windhorst, S. Desch, R. Jansen, D. Calzetti,
D. Padgett, P. Hartigan, S. Oey, J. Bally,
J. Gallagher, R. O'Connell, R. Kennicutt &
T. Lauer, 2004, presented at the 204th AAS Meeting,
Denver CO, May 30–Jun 3
-
"[O II] as a SFR indicator and the Cosmic Star Formation
History", L.J. Kewley, M.J. Geller, &
R.A. Jansen 2003, presented at the 203th AAS
Meeting, Atlanta GA, Jan 4–8
-
"Space-based Observations of Star Formation using ORION: The MIDEX",
P. Scowen, J. Morse, M. Beasley, J. Hester,
R. Windhorst, R. Jansen, T. Lauer, E. Danielson,
C. Sepulveda, G. Olarte, and the ORION MIDEX Science Team 2004,
presented at the 203th AAS Meeting, Atlanta GA, Jan 4–8
-
"Dark Energy, High-redshift Galaxies, and Star Formation with ORION:
HST-SM5 Wide Field Camera", J. Morse, P. Scowen,
J. Hester, M. Beasley, T. Lauer & ORION Science
Team 2003, presented at the 203th AAS Meeting, Atlanta GA,
Jan 4–8
-
"Discovering Clues to Galaxy Evolution in the Radial Color Gradients of
Late-type Spiral and Irregular Galaxies", V.A. Taylor,
S.C. Odewahn, R.A. Jansen, R.A. Windhorst &
J.E. Hibbard 2004, presented at the 203th AAS Meeting,
Atlanta GA, Jan 4–8
-
"Star Formation and Dust in the Nearby Field Galaxy Survey", L. Kewley,
M. Geller, R. Jansen & M. Dopita 2003, presented
at the meeting on the Astrophysics of Dust, Estes Park CO, May 26–30
-
"GRB030329", P. Garnavich, T. Matheson, D. Pindor,
N. Hathi, R. Jansen, R. Windhorst,
L. Echevarria, J. Lee, K. Krisciunas, P. Martini,
W. Brown, N. Caldwell, P. Berlind, M. Calkins &
K. Stanek, 2003, IAUC no. 8108
- "GRB030329: Supernova
Confirmed", T. Matheson, P. Garnavich, E. Olszewski,
P. Harding, D. Eisenstein, B. Pindor, N. Hathi,
R. Jansen, R. Windhorst, L. Echevarria, J. Lee,
W. Brown, N. Caldwell, P. Berlind, M. Calkins &
K.Z. Stanek 2003, GCN GRB Observation Report, no. 2120
- "GRB030329: Supernova
Spectrum Emerging", T. Matheson, P. Garnavich, N. Hathi,
R. Jansen, R. Windhorst, L. Echevarria, J. Lee,
W. Brown, N. Caldwell, P. Berlind, M. Calkins &
K.Z. Stanek 2003, GCN GRB Observation Report, no. 2107
-
"Object Sizes from Reionization to the Present, and the Natural Confusion
Limit Expected in Ultradeep Surveys", R.A. Windhorst,
S.H. Cohen, R.A. Jansen, S.C. Odewahn,
S. Driver, D. Kawata, B. Gibson, J.P. Gardner &
A. Hopkins 2003, presented at the 201st AAS Meeting,
Seattle WA, Jan 5–9
-
"Hα and Infrared Star Formation Rates for the Nearby
Field Galaxy Survey", L.J. Kewley, M.J. Geller,
R.A. Jansen & M.A. Dopita 2003, presented at the
201st AAS Meeting, Seattle WA, Jan 5–9
- "Autofilet.pro: An Improved Method
for Automated Removal of Herring-bone Pattern Noise from CCD Data",
R.A. Jansen, N. Collins & R.A. Windhorst 2002,
presented at the "HST Calibration Workshop", STScI, Baltimore MD,
Oct 17–18
- "Fundamental Limitations to the Observability of Outskirts of (Dwarf)
Galaxies at High Redshifts: the Natural Confusion Limit in Ultra-Deep
Optical–IR and Radio Surveys", R.A. Windhorst, S.H. Cohen,
R.A. Jansen, S.C. Odewahn, S.P. Driver,
D. Kawata, B.K. Gibson & A. Hopkins 2002, presented at
the Lowell Observatory workshop on "The Outer Edges of Dwarf Irregular
Galaxies", Flagstaff AZ, Oct 10–11
- "HST/WFPC2 Analysis of the Mid-UV–Optical Colors within the
Disks of Nearby Galaxies", S.C. Odewahn, R.A. Jansen,
R.A. Windhorst, V.A. Taylor & P.B Eskridge 2002, presented at
the Lowell Observatory workshop on "The Outer Edges of Dwarf Irregular
Galaxies", Flagstaff AZ, Oct 10–11
- "UV–Optical Light Profiles and Color
Gradients of Late-type, Irregular, and Peculiar Galaxies",
V.A. Taylor, S.C. Odewahn, R.A. Jansen,
R.A. Windhorst, 2002, presented at the Lowell Observatory workshop on
"The Outer Edges of Dwarf Irregular Galaxies", Flagstaff AZ, Oct 10–11
- "The expected natural confusion limit for the Next Generation Space
Telescope and for the Square Kilometer Array", R.A. Windhorst,
S.H. Cohen, R.A. Jansen, S.C. Odewahn,
S.P. Driver & A. Hopkins 2002, presented at the
36th ASA meeting, Harvey Woods NSW, Australia, July.
- "Caught in the Act? Late
reionization of He II in the Universe.",
R.A. Jansen & P. Jakobsen 2001, presented at the
56th Dutch Astronomers Conference (NAC), Dalfsen, May 16–18
- "The Nearby Field Galaxy
Survey: A spectrophotometric atlas of 196 nearby galaxies",
R.A. Jansen, D.G. Fabricant, M. Franx &
N. Caldwell 1999, presented at the 54th Dutch Astronomers
Conference (NAC), Elspeet, May 5–7
-
"The Nearby Field Galaxy Survey: surface photometry,
spectrophotometry and internal kinematics of a representative sample
of nearby galaxies", R.A. Jansen & S.J. Kannappan
1998, presented at the Euroconference on `Galaxy evolution on cosmological
timescales', Puerto la Cruz, Spain, November 30–December 5
- "The Nearby Field Galaxy
Survey, II: Spectrophotometry of a representative sample of nearby
galaxies", R.A. Jansen 1998, presented at the
Harvard-Smithsonian Center for Astrophysics, Cambridge MA, July 21
- "The Nearby Field Galaxy
Survey, I: Surface photometry of a representative sample of nearby
galaxies", R.A. Jansen 1998, presented at the
Harvard-Smithsonian Center for Astrophysics, Cambridge MA, July 18
-
"The Nearby Field Galaxy Survey: Galaxy Morphology in the Local Field",
R.A. Jansen, M. Franx, D.G. Fabricant &
N. Caldwell 1997, presented at the 52nd Dutch Astronomers
Conference (NAC), Dalfsen, May 14–16
-
"Supernova 1996Z in NGC 2935", Johnson, W., et al. 1996, IAUC 6401, 1
-
"Supernova 1995ai in NGC 7794", Pollas, C., et al. 1995, IAUC 6252, 1
-
"Supernova 1995L in NGC 5157", Pollas, C., et al. 1995, IAUC 6165, 1
-
"Supernova 1995J in NGC4512", Johnson, W., et al. 1995, IAUC 6157, 1
- "Spectroscopic and
Photometric Nearby Field Galaxy Survey", R.A. Jansen,
M. Franx, D.G. Fabricant & N. Caldwell 1995, presented
at IAU Symposium no.171 ``New Light on Galaxy Evolution'', Heidelberg,
June 26–30
- "Spectroscopic and Photometric Nearby Field Galaxy Survey",
R.A. Jansen, M. Franx, D.G. Fabricant &
N. Caldwell 1995, presented at the 50th Dutch Astronomers
Conference (NAC), Rokanje, May 18–20 (identical to the above)
- "Extinction by Dust in highly inclined
galaxies", R.A. Jansen 1993, presented at the
48th Dutch Astronomers Conference (NAC), De Haan aan Zee
(Belgium), May 6–8
- "Extinction by Dust in Nearly Edge-on Galaxies", R.A. Jansen,
J.H. Knapen & J.E. Beckman 1992, presented at the
IVth Canary Islands Winterschool on Infrared Astronomy,
December 7–19
Publications in popular scientific journals / Press
Releases
- History with Hubble brings heavens closer, School of Earth & Space
Exploration, May 11 2009; also appeared as a news release in
ASU News.
- ASU cosmology graduate student wins
Chambliss Astronomy Student Achievement Award, School of Earth
& Space Exploration, Jan 13 2009; also appeared as a news release in
ASU News.
- A dinky little galaxy, not so far far
away...", School of Earth & Space Exploration, International
Work Showcase, Nov 2008
- `Monster Black Holes Grow After
Galactic Mergers', HST press-release
STScI-2006-04, Jan 10 2006.
-
Astrolink — Foto van de dag,
Short news item in Govert Schilling's Heelalrubriek for November
2005 on www.allesoversterrenkunde.nl.
- Supernova Discovered on the VATT,
Science News item in the Fall 2005
Vatican Observatory Newsletter, p. 5
- Sterrenplaatje van de dag, Short
news item in De Standaard (Belgian
newspaper), October 13 2005
- Astronomy Picture of the Day nu met
Nederlandse uitleg!, Short news item on
Sterrenkunde.net,
September 8 2005
- Possible VATT supernova,
Astro byte on Astronomy
Magazine's web-site, April 15 2005 (with April 18 follow-up).
- Astronomers Use MMT Telescope to Detect Origin of Gamma-Ray Bursts,
on UA News's SCI/TECH, April 18, 2003
- Gamma-ray
burst mystery solved, BBC NEWS story by D. Whitehouse, April 16
2003
- NASA Helps Link Gamma
Ray Burst and Supernova, NASA News 03-135, April 10 2003.
See also the ASU Physics & Astronomy
Department News, the
CfA Press
Release, and the HETE web-page for GRB030329.
- Sterrenatlas let op kleintjes, short news item by G. Schilling
in De Volkskrant, (dutch national
newspaper), December 2 2000.
-
Press-release of the Rijksuniversiteit Groningen (in dutch)
on the Nearby Field Galaxy Survey, which accompanied the announcement of
my Ph.D. Thesis defense, 2000,
Pers
informatie, nr.147
(also available here)
- Oud-Vlissinger promoveert, short news item in the PZC (dutch
regional newspaper), November 25 2000.
- "Dust in spiral galaxies",
J.H. Knapen, J.E. Beckman, R.A. Jansen, R. Hes
& R.F. Peletier, June 1994, Spectrum Newsletter of the Royal
Observatories no.2
- The true shape of our Milky Way galaxy
(in dutch), R.A. Jansen 1993, ZENIT nr.4, 153–156
Talks / Colloquia
- Arizona State University (Tempe AZ), 2009, Sep 4,
``Accretion in the Early Kuiper Belt: Coagulation, Velocity Evolution &
Fragmentation'', Astrophysics Seminar
("Journal Club") presentation
- "Beyond JWST" workshop, Space Telescope Science Institute (Baltimore MD),
2009, Mar 26, ``The Star Formation Observatory (SFO)'',
short contributed talk
- Arizona State University (Tempe AZ), 2009, Jan 30,
``The Spitzer Space Telescope: Last of the Great Observatories'',
Astrophysics Seminar ("Journal Club")
presentation
- Arizona State University (Tempe AZ), 2008, Jul 17,
``SFC Science Program Summary'', meeting summary together with
Paul Scowen of the SFC Science Team Meeting held at ASU.
- Arizona State University (Tempe AZ), 2008, Jul 15,
``SFC Imaging of Nearby Galaxies: The 'Hundred Galaxies Survey'
(HuGS) and the 'Local-to-Virgo Survey of Nearby Galaxies'
(LoVeSoNG)'', talk given at the SFC Science Team Meeting held at ASU.
- Arizona State University (Tempe AZ), 2007, Apr 20,
``Measuring Star Formation Rates in Galaxies'', Astrophysics Seminar ("Journal Club") presentation
- Arizona State University (Tempe AZ), 2007, Jan 19,
``Spectrophotometric Properties of Nearby Galaxies'', Astrophysics Seminar ("Journal Club") presentation
- Arizona State University (Tempe AZ), 2006, Mar 2,
``
Accretion in the Early Kuiper Belt. I+II. Coagulation, Velocity Evolution
& Fragmentation'', Astrophysics Seminar
("Journal Club") presentation of Kenyon & Luu (1998,1999) papers
- Arizona State University (Tempe AZ), 2005, Sep 2,
``
Evolution of the Stars and Gas in Galaxies'', Astrophysics Seminar
("Journal Club") presentation of Tinsley (1968) paper
- Arizona State University (Tempe AZ), 2005, Aug 26,
``
Evidence from the motions of old stars that the Galaxy collapsed'',
Astrophysics Seminar ("Journal Club") presentation of Eggen,
Lynden-Bell & Sandage (1962) paper
- October Astrophysics Conference on "New Windows on Star Formation in the
Cosmos", (College Park MD), 2004, Oct 12, ``An HST ACS/WFC
Hα Imaging Survey of Nearby Galaxies'', short invited
talk
- International Conference on "Penetrating Bars Through Masks of Cosmic
Dust: The Hubble Tuning Fork Strikes a New Note", (Pilanesberg National
Park, South Africa), 2004, Jun 10,
``An HST ACS/WFC Hα
Imaging Survey of Nearby Galaxies'', invited talk
- Steward Observatory Internal Symposium (Tucson AZ), 2003, Oct 6,
``HST/ACS High-resolution Hα imaging of nearby
galaxies: bubbles and blow-outs?'', contributed talk
- University of Arizona (Tucson AZ), 2003, Sep 23, ``A bit of Vaudeville;
PSFs, pattern noise, SFRs and more'', "Robfest" talk
- Arizona State University (Tempe AZ), 2002, October 23,
``Using shell scripts to make life
more manageable'', Astronomy Computer Users Group talk
- Arizona State University (Tempe AZ), 2002, April 17, ``Lyman-break
Galaxies: an X-rayted tale about exciting drop-outs'', Journal Club
talk
- Steward Observatory Internal Symposium (Tucson AZ), 2001, November 2,
``The Nearby Field Galaxy Survey'', invited talk
- European Space Agency, ESTEC (Noordwijk, NL), 2001, September 28,
``A Spectrophotometric Survey of Nearby Field Galaxies'', RSSD seminar
- Harvard-Smithsonian Center for Astrophysics (Cambridge MA), 2001,
March 7, ``The Nearby Field Galaxy Survey'', special seminar
- Arizona State University, Dept. of Physics & Astronomy (Tempe AZ),
2001, February 28, ``The Nearby Field Galaxy Survey'', lunch talk
- Kapteyn Astronomical Institute (Groningen, NL), 1999, July 14,
``Results from the Nearby Field Galaxy Survey'', lunch talk
- 54th Dutch Astronomers Conference (Elspeet, NL), 1999, May 5--7,
``Results from the Nearby Field Galaxy Survey'', contributed talk
- XIXth Rencontres de Moriond (Les Arcs 1800, FR), 1999, March 13--20,
``The Nearby Field Galaxy Survey'', invited contribution
- Kapteyn Astronomical Institute (Groningen, NL), 1994, July 4,
``Observations of a sample of nearby galaxies at Mt.Hopkins,
Arizona'', lunch talk
- 1st NOVA autumn school (Dwingeloo, NL), 1993, November 8-12,
``Comparison of Nearby and Distant Galaxies'', project presentation
- Kapteyn Astronomical Institute (Groningen, NL), 1993, March 31,
``Extinction by dust in highly inclined galaxies'', lunch talk
Popular Talks / Lectures
- West Valley Astronomy Club (Surprise AZ), 2009, April 7, ``Measuring
Star Formation Rates in Galaxies''
- East Valley Astronomy Club (Gilbert AZ), 2007, April 20, ``Measuring
Star Formation Rates in Galaxies''
- Haarlemse Weer- en Sterrenkunde Kring (Haarlem, NL), 2000, December
14, ``Evolutie van sterrenstelsels''
- Noord-Nieuws, TV Noord (Groningen, NL), 1999, August 27,
``SETI@home - Zoektocht naar buitenaardse intelligentie''
- Noord-Nieuws, Radio Noord (Groningen, NL), 1999, August 27,
``SETI@home - Zoektocht naar buitenaardse intelligentie''
- Vereniging voor Weer en Sterrenkunde Limburg (Venlo, NL), 1999,
April 23, ``Evolutie van sterrenstelsels''
- Vereniging voor Weer en Sterrenkunde Zuid-Drenthe (Hoogeveen, NL),
1999, April 9, ``Survey van nabije sterrenstelsels''
- Vereniging voor Weer en Sterrenkunde Noord-Drenthe (Assen, NL),
1999, January 22, ``Survey van nabije sterrenstelsels''
- Vereniging voor Weer en Sterrenkunde Groningen (Groningen, NL),
1998, November 6, ``Evolutie van sterrenstelsels''
- Jambouree of the International Scouting Organisation (Groningen, NL),
1994, July 28, ``Het Heelal in tien makkelijke vragen''
- Vereniging voor Weer en Sterrenkunde Zuid-Drenthe (Dwingeloo, NL),
1994, January 28, ``De invloed van interstellair stof op onze
waarnemingen''
- Nationale Wetenschapsweek, scholieren manifestatie (Groningen, NL),
1993, October 14-15, ``Het heelal op straat: wandeltocht van de zon
naar de oerknal'' (with W.J.G. de Blok, R.A. Swaters,
P.A. Woudt, R. de Grijs & J.P.E. Gerritsen).
- Vereniging voor Weer en Sterrenkunde Zuid-Drenthe (Dwingeloo, NL),
1991, November, ``Sterrenkundige Observatoria in de USA'' (with
W.J.G. de Blok)
- Vereniging voor Weer en Sterrenkunde Overijsel (Dieren, NL), 1991,
October, ``Sterrenkundige Observatoria in de USA'' (with
W.J.G. de Blok)
Annual Reports