Overzier, Roderik A., Heckman, Timothy M., Tremonti, Christy, Armus, Lee, Basu-Zych, Antara, Gonçalves, Thiago, ...
We report on the results of Hubble Space Telescope optical and UV imaging, Spitzer mid-IR photometry, and optical spectroscopy of a sample of 30 low-redshift (z ~ 0.1 to 0.3) galaxies chosen from the...
Mei, Simona, Holden, Bard P., Blakeslee, John P., Ford, Holland C., Franx, Marijn, Homeier, Nicole L., ...
Mei, Simona, Holden, Brad P., Blakeslee, John P., Ford, Holland C., Franx, Marijn, Homeier, Nicole L., ...
We apply detailed observations of the Color-Magnitude Relation (CMR) with the ACS/HST to study galaxy evolution in eight clusters at z~1. The early-type red sequence is well defined and elliptical...
Recent Structural Evolution of Early-Type Galaxies: Size Growth from z=1 to z=0 (2008)
Van Der Wel, Arjen, Holden, Bradford P., Zirm, Andrew W., Franx, Marijn, Rettura, Alessandro, Illingworth, Garth D., ...
Strong size and internal density evolution of early-type galaxies between z~2 and the present has been reported by several authors. Here we analyze samples of nearby and distant (z~1) galaxies with...
The HD 163296 Circumstellar Disk in Scattered Light: Evidence of Time-Variable Self-Shadowing (2008)
Wisniewski, John P., Clampin, Mark, Grady, Carol A., Ardila, David R., Ford, Holland C., Golimowski, David A., ...
We present the first multicolor view of the scattered light disk of the Herbig Ae star HD 163296, based on coronagraphic observations from the Hubble Space Telescope Advanced Camera for Surveys (HST...
The HD 163296 Circumstellar Disk in Scattered Light: Evidence of Time-Variable Self-Shadowing (2008)
Wisniewski, John P., Clampin, Mark, Grady, Carol A., Ardila, David R., Ford, Holland C., Golimowski, David A., ...
We present the first multi-color view of the scattered light disk of the Herbig Ae star HD 163296, based on coronagraphic observations from the Hubble Space Telescope Advanced Camera for Surveys...
A search for planets transiting the M-dwarf debris disc host, AU Microscopii (2007)
Hebb, Leslie, Petro, Larry, Ford, Holland C., Ardila, David R., Toledo, Ignacio, Minniti, Dante, ...
We present high-cadence, high-precision multiband photometry of the young, M1Ve, debris disc star, AU Microscopii. The data were obtained in three continuum filters spanning a wavelength range from...
A Search for Planets Transiting the M Dwarf Debris Disk Host, AU Microscopii (2007)
Hebb, Leslie, Petro, Larry, Ford, Holland C., Ardila, David R., Toledo, Ignacio, Minniti, Dante, ...
We present high cadence, high precision multi-band photometry of the young, M1Ve, debris disk star, AU Microscopii. The data were obtained in three continuum filters spanning a wavelength range from...
Witnessing the formation of a brightest cluster galaxy at z>2 (2006)
Overzier, Roderik A., Miley, George K., Ford, Holland C.
We present deep observations taken with the HST Advanced Camera for Surveys of the central massive galaxy in a forming cluster at z=2.2. The galaxy hosting the powerful radio source MRC 1138-262 is...
Mei, Simona, Holden, Brad P., Blakeslee, John P., Rosati, Piero, Postman, Marc, Jee, Myungkook J., ...
Color-magnitude relations have been derived in the clusters RX J0849+4452 and RX J0848+4453 at z~1.26. The color-magnitude relation was determined from Advanced Camera for Surveys imaging in the WFC...
The Spiderweb galaxy: A forming massive cluster galaxy at z ~ 2 (2006)
Miley, George K., Overzier, Roderik A., Zirm, Andrew W., Ford, Holland C., Kurk, Jaron, Pentericci, Laura, ...
We present a deep image of the radio galaxy MRC 1138-262 taken with the Hubble Space Telescope (HST) at a redshift of z=2.2. The galaxy is known to have properties of a cD galaxy progenitor and be...
The Morphological Demographics of galaxies in the ACS Hubble Ultra Deep Parallel Fields (2005)
Menanteau, Felipe, Ford, Holland C., Motta, Veronica, Benitez, Narciso, Martel, Andre R., Blakeslee, John P., ...
We present a morphological analysis of distant field galaxies using the deep ACS images from the public parallel NICMOS observations of the Hubble Ultra Deep Field obtained in the F435W (B), F606W...
Planetary Nebulae in NGC 5128 (Centaurus A) (2004)
Peng, Eric W., Ford, Holland C., Freeman, Kenneth C.
The study of planetary nebulae (PNe) in the nearby post-merger elliptical galaxy NGC 5128 (Cen A) now has a history of nearly twenty years. As the nearest giant elliptical, it is a prime target for...
The Nature of Blue Cores in Spheroids: a Possible Connection with AGN and Star Formation (2004)
Menanteau, Felipe, Martel, Andre R., Tozzi, Paolo, Frye, Brenda, Ford, Holland C., Infante, Leopoldo, ...
We investigate the physical nature of blue cores in early-type galaxies through the first multi-wavelength analysis of a serendipitously discovered field blue-nucleated spheroid in the background of...
Limits on Hubble Constant from the Distance of M100 (2004)
Mould, Jeremy, Huchra, John P., Bresolin, Fabio, Ferrarese, Laura, Ford, Holland C., Freedman, Wendy L., ...
We examine the consequences of a 17 Mpc M100 distance, questioning its consistency with supernova and other distances.
The Globular Cluster System of NGC 5128 I. Survey and Catalogs (2003)
Peng, Eric W., Ford, Holland C., Freeman, Kenneth C.
We present the results of a photometric and spectroscopic survey of the globular cluster system of NGC 5128 (Centaurus A), a galaxy whose proximity makes it an important target for early-type galaxy...
The Globular Cluster System of NGC 5128 II. Ages, Metallicities, Kinematics, and Formation (2003)
Peng, Eric W., Ford, Holland C., Freeman, Kenneth C.
We present a study of the nearby post-merger giant elliptical galaxy, NGC 5128 (Centaurus A), in which we use the properties of its globular cluster (GC) and planetary nebula (PN) systems to...
The Planetary Nebula System and Dynamics in the Outer Halo of NGC 5128 (2003)
Peng, Eric W., Ford, Holland C., Freeman, Kenneth C.
The halos of elliptical galaxies are faint and difficult to explore, but they contain vital clues to both structure and formation. We present the results of an imaging and spectroscopic survey for...
Blakeslee, John P., Tsvetanov, Zlatan I., Riess, Adam G., Ford, Holland C., Illingworth, Garth D., Magee, Daniel, ...
We present observations of the first two supernovae discovered with the recently installed Advanced Camera for Surveys (ACS) on the Hubble Space Telescope. The supernovae were found in Wide Field...
Imaging Spectroscopy for Extrasolar Planet Detection (2002)
Sparks, William B., Ford, Holland C.
Coronagraphic imaging in combination with moderate to high spectral resolution may prove more effective in both detecting extrasolar planets and characterizing them than a standard coronagraphic...
A Young Blue Tidal Stream in NGC 5128 (2002)
Peng, Eric W., Ford, Holland C., Freeman, Kenneth C., White, Richard L.
Stellar streams in galaxy halos are the natural consequence of a history of merging and accretion. We present evidence for a blue tidal stream of young stars in the nearest giant elliptical galaxy,...
Extragalactic Planetary Nebulae (2001)
Ford, Holland C., Peng, Eric W., Freeman, Kenneth C.
Planetary nebulae (PNe) can be used to trace intermediate and old stellar populations in galaxies and the intracluster medium out to approximately 20 Mpc. PNe can be easily identified with...
WFPC2 Images of the Central Regions of Early-Type Galaxies - I. The Data (2001)
Rest, Armin, Jaffe, Walter, Tran, Hien, Tsvetanov, Zlatan, Ford, Holland C., ...
We present high resolution R-band images of the central regions of 67 early-type galaxies obtained with the Wide Field and Planetary Camera 2 (WFPC2) aboard the Hubble Space Telescope (HST). Our...
Final results from the Hubble Space Telescope key project to measure the Hubble Constant (2001)
Freedman, Wendy L., Madore, Barry F., Gibson, Brad K., Ferrarese, Laura, Kelson, Daniel D., Sakai, Shoko, ...
We present here the final results of the Hubble Space Telescope (HST) Key Project to measure the Hubble constant. We summarize our method, the results, and the uncertainties, tabulate our revised...
Final results from the Hubble Space Telescope key project to measure the Hubble Constant (2001)
Freedman, Wendy L., Madore, Barry F., Gibson, Brad K., Ferrarese, Laura, Kelson, Daniel D., Sakai, Shoko, ...
We present here the final results of the Hubble Space Telescope (HST) Key Project to measure the Hubble constant. We summarize our method, the results, and the uncertainties, tabulate our revised...
Final results from the Hubble Space Telescope key project to measure the Hubble Constant (2001)
Freedman, Wendy L., Madore, Barry F., Gibson, Brad K., Ferrarese, Laura, Kelson, Daniel D., Sakai, Shoko, ...
We present here the final results of the Hubble Space Telescope (HST) Key Project to measure the Hubble constant. We summarize our method, the results, and the uncertainties, tabulate our revised...
Final results from the Hubble Space Telescope key project to measure the Hubble Constant (2001)
Freedman, Wendy L., Madore, Barry F., Gibson, Brad K., Ferrarese, Laura, Kelson, Daniel D., Sakai, Shoko, ...
We present here the final results of the Hubble Space Telescope (HST) Key Project to measure the Hubble constant. We summarize our method, the results, and the uncertainties, tabulate our revised...
Final results from the Hubble Space Telescope key project to measure the Hubble Constant (2001)
Freedman, Wendy L., Madore, Barry F., Gibson, Brad K., Ferrarese, Laura, Kelson, Daniel D., Sakai, Shoko, ...
We present here the final results of the Hubble Space Telescope (HST) Key Project to measure the Hubble constant. We summarize our method, the results, and the uncertainties, tabulate our revised...
Ferrarese, Laura, Ford, Holland C., Huchra, John, Kennicutt, Robert C., Mould, Jeremy R., ...
We present a compilation of Cepheid distance moduli and data for four secondary distance indicators that employ stars in the old stellar populations: the planetary nebula luminosity function (PNLF),...
Mould, Jeremy R, Huchra, John P, Freedman, Wendy L, Kennicutt Jr, Robert C, Ferrarese, Laura, Ford, Holland C, ...
Since the launch of the Hubble Space Telescope nine years ago, Cepheid distances to 25 galaxies have been determined for the purpose of calibrating secondary distance indicators. A variety of these...
Sakai, Shoko, Mould, Jeremy R., Hughes, Shaun M. G., Huchra, John P., Macri, Lucas M., Kennicutt, Robert C., ...
This paper presents the calibration of BVRIH$ Tully-Fisher relations based on Cepheid distances to 21 galaxies within 25 Mpc, and 23 clusters within 10,000 km/s. These relations have been applied to...
Kelson, Daniel D., Illingworth, Garth D., Tonry, John L., Freedman, Wendy L., Kennicutt, Robert C., ...
Using published photometry and spectroscopy, we construct the fundamental plane and D_n-Sigma relations in Leo I, Virgo and Fornax. The published Cepheid P-L relations to spirals in these clusters...
Ferrarese, Laura, Mould, Jeremy R., Kennicutt, Robert C., Huchra, John, Ford, Holland C., ...
A Cepheid-based calibration is derived for four distance indicators that utilize stars in the old stellar populations: the tip of the red giant branch (TRGB), the planetary nebula luminosity function...
Prosser, Charles F., Kennicutt, Robert C., Bresolin, Fabio, Saha, Abhijit, Sakai, Shoko, ...
We report on the detection of Cepheids and the first distance measurement to the spiral galaxy NGC 1326-A, a member of the Fornax cluster of galaxies. We have employed data obtained with the Wide...
Sakai, Shoko, Ferrarese, Laura, Kennicutt, Robert C., Graham, John A., Silbermann, N. A., Mould, Jeremy R., ...
The distance to NGC 3319 has been determined from Cepheid variable stars as part of the Hubble Space Telescope Key Project on the Extragalactic Distance Scale. Thirteen and four epochs of...
Gibson, Brad K., Hughes, Shaun M. G., Stetson, Peter B., Freedman, Wendy L., Kennicutt, Robert C., ...
The distance to NGC 4725 has been derived from Cepheid variables, as part of the Hubble Space Telescope Key Project on the Extragalactic Distance Scale. Thirteen F555W (V) and four F814W (I) epochs...
Ferrarese, Laura, Bresolin, Fabio, Kennicutt, Robert C., Saha, Abhijit, Stetson, Peter B., ...
We report the detection of Cepheids and a new distance to the spiral galaxy NGC 2541, based on data obtained with the Wide Field and Planetary Camera 2 on board the Hubble Space Telescope (HST). A...
Neilsen, Eric H., Tsvetanov, Zlatan I., Ford, Holland C.
Using the surface brightness fluctuations in HST WFPC-2 images, we determine that M87, NGC 4486B, and NGC 4478 are all at a distance of ~16 Mpc, while NGC 4476 lies in the background at ~21 Mpc. We...
M87: A Misaligned BL LAC? (1997)
Tsvetanov, Zlatan I., Hartig, George F., Ford, Holland C., Dopita, Michael A., Kriss, Gerard A., Pei, Yichuan C., ...
The nuclear region of M87 was observed with the Faint Object Spectrograph (FOS) on the Hubble Space Telescope (HST) at 6 epochs, spanning 18 months, after the HST image quality was improved with the...
Rawson, Daya M., Macri, Lucas M., Mould, Jeremy R., Huchra, John P., Freedman, Wendy L., Kennicutt, Robert C., ...
We report on the discovery of Cepheids in the field spiral galaxy NGC 3621, based on observations made with the Wide Field and Planetary Camera 2 on board the Hubble Space Telescope (HST). NGC 3621...