Peng, Eric W., Jordan, Andres, Blakeslee, John P., Mieske, Steffen, Cote, Patrick, Ferrarese, Laura, ...
Metal-poor globular clusters (GCs) are our local link to the earliest epochs of star formation and galaxy building. Studies of extragalactic GC systems using deep, high-quality imaging have revealed...
Blakeslee, John P., Jordan, Andres, Mei, Simona, Cote, Patrick, Ferrarese, Laura, Infante, Leopoldo, ...
We present g-z color and z-band surface brightness fluctuations (SBF) measurements for 43 early-type galaxies in the Fornax cluster imaged with HST/ACS. These are combined with measurements for Virgo...
Luminosity functions of LMXBs in Centaurus A: globular clusters versus the field (2009)
Voss, Rasmus, Gilfanov, Marat, Sivakoff, Gregory R., Kraft, Ralph P., Jordan, Andres, Raychaudhury, Somak, ...
The Nature of UCDs: Internal Dynamics from an Expanded Sample and Homogeneous Database (2008)
Mieske, Steffen, Hilker, Michael, Jordan, Andres, Infante, Leopoldo, Kissler-Patig, Markus, Rejkuba, Marina, ...
We have obtained high-resolution spectra of 23 ultra-compact dwarf galaxies (UCDs) in the Fornax cluster with -10.4>M_V>-13.5 mag (10^6
Observability of the General Relativistic Precession of Periastra in Exoplanets (2008)
Jordan, Andres, Bakos, Gaspar A.
The general relativistic precession rate of periastra in close-in exoplanets can be orders of magnitude larger than the magnitude of the same effect for Mercury. The realization that some of the...
Peng, Eric W., Jordan, Andres, Cote, Patrick, Takamiya, Marianne, West, Michael J., Blakeslee, John P., ...
The fraction of stellar mass contained in globular clusters (GCs), also measured by number as the specific frequency, is a fundamental quantity that reflects both a galaxy's early star formation and...
Globular Clusters and X-ray Point Sources in Centaurus A (NGC 5128) (2008)
Woodley, Kristin A., Raychaudhury, Somak, Kraft, Ralph P., Harris, William E., Jordan, Andres, Whitaker, Katherine E., ...
We detect 353 X-ray point sources, mostly low-mass X-ray binaries (LMXBs), in four Chandra observations of Centaurus A (NGC 5128), the nearest giant early-type galaxy, and correlate this point source...
Cote, Patrick, Ferrarese, Laura, Jordan, Andres, Blakeslee, John, Chen, Chin, Infante, Leopoldo, ...
Also archived in: arXiv:0711.1358 v1 Nov 8 2007
Low-Mass X-ray Binaries and Globular Clusters in Centaurus A (2007)
Jordan, Andres, Sivakoff, Gregory R., McLaughlin, Dean E., Blakeslee, John P., Evans, Daniel A., Kraft, Ralph P., ...
We present results of Hubble Space Telescope and Chandra X-ray Observatory observations of globular clusters (GCs) and low-mass X-ray binaries (LMXBs) in the central regions of Centaurus A. Out of...
Cote, Patrick, Ferrarese, Laura, Jordan, Andres, Blakeslee, John P., Chen, Chin-Wei, Infante, Leopoldo, ...
We analyse HST surface brightness profiles for 143 early-type galaxies in the Virgo and Fornax Clusters. Sersic models provide accurate descriptions of the global profiles with a notable exception:...
Infrared Emission from the Nearby Cool Core Cluster Abell 2597 (2007)
Donahue, Megan, Jordan, Andres, Baum, Stefi A., Cote, Patrick, Ferrarese, Laura, Goudfrooij, Paul, ...
We observed the brightest central galaxy (BCG) in the nearby (z=0.0821) cool core galaxy cluster Abell 2597 with the IRAC and MIPS instruments on board the Spitzer Space Telescope. The BCG was...
Jordan, Andres, McLaughlin, Dean, Cote, Patrick, Ferrarese, Laura, Peng, Eric, Mei, Simona, ...
Also archived in: arXiv:astro-ph/0702496 v1 Feb 19 2007
The ACS Fornax Cluster Survey. I. Introduction to the survey and data reduction procedures (2007)
Jordan, Andres, Blakeslee, John, Cote, Patrick, Ferrarese, Laura, Infante, Leopoldo, Mei, Simona, ...
Also archived in: arXiv:astro-ph/0702320 v1 Feb 13 2007
Mei, Simona, Blakeslee, John, Cote, Patrick, Tonry, John, West, Michael, Ferrarese, Laura, ...
The ACS Virgo Cluster Survey consists of HST ACS imaging for 100 early-type galaxies in the Virgo Cluster, observed in the F475W and F850LP filters. We derive distances for 84 of these galaxies using...
Jordan, Andres, McLaughlin, Dean E., Cote, Patrick, Ferrarese, Laura, Peng, Eric W., Mei, Simona, ...
We analyze the luminosity function of the globular clusters (GCs) belonging to the early-type galaxies observed in the ACS Virgo Cluster Survey. We have obtained estimates for a Gaussian...
The ACS Fornax Cluster Survey. I. Introduction to the Survey and Data Reduction Procedures (2007)
Jordan, Andres, Blakeslee, John P., Cote, Patrick, Ferrarese, Laura, Infante, Leopoldo, Mei, Simona, ...
The Fornax Cluster is a conspicuous cluster of galaxies in the southern hemisphere and the second largest collection of early-type galaxies within
Mei, Simona, Blakeslee, John, Cote, Patrick, Tonry, John, West, Michael, Ferrarese, Laura, ...
Also archived in: arXiv:astro-ph/0702510 v1 Feb 20 2007
Mieske, Steffen, Jordan, Andres, Cote, Patrick, Kissler-Patig, Markus, Peng, Eric, Ferrarese, Laura, ...
Also archived in: arXiv:astro-ph/0609079 v1 Sep 4 2006
Trends in the Globular Cluster Luminosity Function of Early-Type Galaxies (2006)
Jordan, Andres, McLaughlin, Dean, Cote, Patrick, Ferrarese, Laura, Peng, Eric, Blakeslee, John, ...
Also archived in: arXiv:astro-ph/0609371 v1 Sep 13 2006
Trends in the Globular Cluster Luminosity Function of Early-Type Galaxies (2006)
Jordan, Andres, McLaughlin, Dean E., Cote, Patrick, Ferrarese, Laura, Peng, Eric W., Blakeslee, John P., ...
We present results from a study of the globular cluster luminosity function (GCLF) in a sample of 89 early-type galaxies observed as part of the ACS Virgo Cluster Survey. Using a Gaussian...
Mieske, Steffen, Jordan, Andres, Cote, Patrick, Kissler-Patig, Markus, Peng, Eric W., Ferrarese, Laura, ...
We examine the correlation between globular cluster (GC) color and magnitude using HST/ACS imaging for a sample of 79 early-type galaxies (-21.7
Shin, Min-Su, Berger, Edo, Penprase, Bryan E., Fox, Derek B., Price, Paul A., Kulkarni, Shri R., ...
We present a high-resolution Keck/ESI spectrum of GRB, which exhibits four absorption systems at z=1.04329, 1.95260, 1.96337, and 1.98691. The two highest redshift systems, separated by about 2400...
The ACS Virgo Cluster Survey. VIII. the nuclei of Early-Type Galaxies (2006)
Cote, Patrick, Piatek, Slawomir, Ferrarese, Laura, Jordan, Andres, Merritt, David, Peng, Eric, ...
Also archived in: arXiv:astro-ph/0603252 v2 Mar 23 2006
Ferrarese, Laura, Cote, Patrick, Bonta, Elena, Peng, Eric, Merritt, David, Jordan, Andres, ...
Also archived in: arXiv:astro-ph/0603840 v3 Apr 24 2006
The ACS Virgo Cluster Survey. VI. Isophotal Analysis and the Structure of Early-Type Galaxies (2006)
Ferrarese, Laura, Cote, Patrick, Jordan, Andres, Peng, Eric, Blakeslee, John, Piatek, Slawomir, ...
Also archived in: arXiv:astro-ph/0602297 v1 Feb 14 2006
Ferrarese, Laura, Cote, Patrick, Bonta, Elena Dalla, Peng, Eric W., Merritt, David, Jordan, Andres, ...
Imaging surveys with the Hubble Space Telescope (HST) have shown that roughly 50-80% of low- and intermediate-luminosity galaxies contain a compact stellar nucleus at their center, regardless of host...
The ACS Virgo Cluster Survey. VIII. The Nuclei of Early-Type Galaxies (2006)
Cote, Patrick, Piatek, Slawomir, Ferrarese, Laura, Jordan, Andres, Merritt, David, Peng, Eric W., ...
(Abridged) The ACS Virgo Cluster Survey is an HST program to obtain high-resolution, g and z-band images for 100 early-type members of the Virgo Cluster, spanning a range of ~460 in blue luminosity....
Peng, Eric, Jordan, Andres, Cote, Patrick, Blakeslee, John, Ferrarese, Laura, Mei, Simona, ...
Also archived in: arXiv: astro-ph/0509654 v1 22 Sep 2005
Peng, Eric, Jordan, Andres, Cote, Patrick, Blakeslee, John, Ferrarese, Laura, Mei, Simona, ...
Archived in: astro-ph/0509654 v1 22 Sep 2005
Peng, Eric, Jordan, Andres, Cote, Patrick, Blakeslee, John, Ferrarese, Laura, Mei, Simona, ...
Also archived in: arXiv: astro-ph/0509654 v1 22 Sep 2005
Peng, Eric, Jordan, Andres, Cote, Patrick, Blakeslee, John, Ferrarese, Laura, Mei, Simona, ...
Also archived in: arXiv:astro-ph/0509654 v1 Sep 22 2005
The ACS Virgo Cluster Survey. VI. Isophotal Analysis and the Structure of Early-Type Galaxies (2006)
Ferrarese, Laura, Cote, Patrick, Jordan, Andres, Peng, Eric W., Blakeslee, John P., Piatek, Slawomir, ...
(Abridged) We present a detailed analysis of the morphology, isophotal parameters and surface brightness profiles for 100 early-type members of the Virgo Cluster, from dwarfs (M_B = -15.1 mag) to...
Kissler-Patig, Markus, Jordan, Andres, Bastian, Nate
At which masses does the regime of globular clusters end and the one of dwarf galaxies begin? And what separates these two classes of hot stellar systems? We examine to what extend very massive...
Jordan, Andres, Cote, Patrick, Blakeslee, John, Ferrarese, Laura, McLaughlin, Dean, Mei, Simona, ...
Also archived in: arXiv :astro-ph/0508219 v1 9 Aug 2005
Jordan, Andres, Cote, Patrick, Blakeslee, John, Ferrarese, Laura, McLaughlin, Dean, Mei, Simona, ...
Also archived in: arXiv:astro-ph/0508219 v1 Aug 9 2005
The ACS Virgo Cluster Survey XI. The Nature of Diffuse Star Clusters in Early-Type Galaxies (2005)
Peng, Eric W., Cote, Patrick, Jordan, Andres, Blakeslee, John P., Ferrarese, Laura, Mei, Simona, ...
We use HST/ACS imaging of 100 early-type galaxies in the ACS Virgo Cluster Survey to investigate the nature of diffuse star clusters (DSCs). Compared to globular clusters (GCs), these star clusters...
Peng, Eric W., Jordan, Andres, Cote, Patrick, Blakeslee, John P., Ferrarese, Laura, Mei, Simona, ...
We present the color distributions of globular cluster (GC) systems for 100 Virgo cluster early-type galaxies observed in the ACS Virgo Cluster Survey. The color distributions of individual GC...
Jordan, Andres, Cote, Patrick, Blakeslee, John P., Ferrarese, Laura, McLaughlin, Dean E., Mei, Simona, ...
We have measured half-light radii, r_h, for globular clusters (GCs) belonging to the 100 early-type galaxies observed in the ACS Virgo Cluster Survey and the elliptical galaxy NGC 4697. An analysis...
Hasegan, Monica, Jordan, Andres, Cote, Patrick, Djorgovski, S, McLaughlin, Dean, Blakeslee, John, ...
Also archived in: arXiv: astro-ph/0503566 v1 25 Mar 2005
Hasegan, Monica, Jordan, Andres, Cote, Patrick, Djorgovski, S., McLaughlin, Dean, Blakeslee, John, ...
Also archived in: arXiv: astro-ph/0503566 v1 25 Mar 2005
Hasegan, Monica, Jordan, Andres, Cote, Patrick, Djorgovski, S, McLaughlin, Dean, Blakeslee, John, ...
Also archived in: arXiv: astro-ph/0503566 v1 25 Mar 2005
The ACS Virgo Cluster Survey V: SBF Calibration for Giant and Dwarf Early-type Galaxies (2005)
Mei, Simona, Blakeslee, John P., Tonry, John L., Jordan, Andres, Peng, Eric W., Cote, Patrick, ...
As part of the Advanced Camera for Survey (ACS) Virgo Cluster Survey, we have measured Surface Brightness Fluctuations (SBF) in a sample of 100 early-type Virgo galaxies. Distances derived from these...
The ACS Virgo Cluster Survey V: SBF calibration for giant and dwarf early-type galaxies (2005)
Mei, Simona, Blakeslee, John, Tonry, John, Jordan, Andres, Peng, Eric, Cote, Patrick, ...
Also archived in: arXiv: astro-ph/0506314 v2 15 Jun 2005
The ACS Virgo Cluster Survey V: SBF calibration for giant and dwarf early-type galaxies (2005)
Mei, Simona, Blakeslee, John, Tonry, John, Jordan, Andres, Peng, Eric, Cote, Patrick, ...
Archived in arXiv:astro-ph/0506314 v2 15 Jun 2005
The ACS Virgo Cluster Survey V: SBF calibration for giant and dwarf early-type galaxies (2005)
Mei, Simona, Blakeslee, John, Tonry, John, Jordan, Andres, Peng, Eric, Cote, Patrick, ...
Also archived in: arXiv: astro-ph/0506314 v2 15 Jun 2005
Hasegan, Monica, Jordan, Andres, Cote, Patrick, Djorgovski, S. G., McLaughlin, Dean E., Blakeslee, John P., ...
We investigate the connection between globular clusters and ultra-compact dwarf galaxies (UCDs) by examining the properties of several compact objects associated with M87, all of which were...
Luminous X-ray Flares from Low Mass X-ray Binary Candidates in the Early-Type Galaxy NGC 4697 (2005)
Sivakoff, Gregory R., Sarazin, Craig L., Jordan, Andres
We report results of the first search specifically targeting short-timescale X-ray flares from low-mass X-ray binaries in an early-type galaxy. A new method for flare detection is presented. In NGC...
Mei, Simona, Blakeslee, John, Tonry, John, Jordan, Andres, Peng, Eric, Cote, Patrick, ...
Also archived in: arXiv: astro-ph/0501325 v1 16 Jan 2005
Mei, Simona, Blakeslee, John, Tonry, John, Jordan, Andres, Peng, Eric, Cote, Patrick, ...
Also archived in: arXiv: astro-ph/0501325 v1 16 Jan 2005
Mei, Simona, Blakeslee, John P., Tonry, John L., Jordan, Andres, Peng, Eric W., Cote, Patrick, ...
The Advanced Camera for Surveys (ACS) Virgo Cluster Survey is a large program to image 100 early-type Virgo galaxies using the F475W and F850LP bandpasses of the Wide Field Channel of the ACS...
The ACS Virgo Cluster Survey XI. The Nature of diffuse star clusters in early-type galaxies (2004)
Peng, Eric, Cote, Patrick, Jordan, Andres, Blakeslee, John, Ferrarese, Laura, Mei, Simona, ...
Accepted for publication in the Astrophysical Journal
The ACS Virgo Cluster Survey XI. The nature of diffuse star clusters in early-type galaxies (2004)
Peng, Eric, Cote, Patrick, Jordan, Andres, Blakeslee, John, Ferrarese, Laura, Mei, Simona, ...
Archived in:arXiv:astro-ph/0511251 v1 9 Nov 2005
The ACS Virgo Cluster Survey XI. The Nature of diffuse star clusters in early-type galaxies (2004)
Peng, Eric, Cote, Patrick, Jordan, Andres, Blakeslee, John, Ferrarese, Laura, Mei, Simona, ...
Archived in:arXiv:astro-ph/0511251 v1 9 Nov 2005
The ACS Virgo Cluster Survey II. Data reduction procedures (2004)
Jordan, Andres, Blakeslee, John, Peng, Eric, Mei, Simona, Cote, Patrick, Ferrarese, Laura, ...
Also archived in: arXiv: astro-ph/0406433 v1 18 Jun 2004
The ACS Virgo Cluster survey II. data reduction procedures (2004)
Jordan, Andres, Blakeslee, John, Peng, Eric, Mei, Simona, Cote, Patrick, Ferrarese, Laura, ...
Also archived in: arXiv:astro-ph/0406433 v1 18 Jun 2004
The ACS Virgo Cluster Survey II. Data reduction procedures (2004)
Jordan, Andres, Blakeslee, John, Peng, Eric, Mei, Simona, Cote, Patrick, Ferrarese, Laura, ...
Also archived in: arXiv: astro-ph/0406433 v1 18 Jun 2004
Jordan, Andres, Cote, Patrick, Ferrarese, Laura, Blakeslee, John, Mei, Simona, Merritt, David, ...
Also archived in: arXiv: astro-ph/0405188 v2 6 Jun 2004
Jordan, Andres, Cote, Patrick, Ferrarese, Laura, Blakeslee, John, Mei, Simona
Archived in: arXiv:astro-ph/0405188 v2 6 Jun 2004
Jordan, Andres, Cote, Patrick, Ferrarese, Laura, Blakeslee, John, Mei, Simona, Merritt, David, ...
Also archived in: arXiv: astro-ph/0405188 v2 6 Jun 2004
A Possible Explanation for the Size Difference of Red and Blue Globular Clusters (2004)
Most observations of the projected half-light radii of metal-rich globular clusters in a variety of galaxies have shown them to be ~20% smaller than those of their metal-poor counterparts. We show...
The ACS Virgo Cluster survey. I. Introduction to the survey (2004)
Cote, Patrick, Blakeslee, John, Ferrarese, Laura, Jordan, Andres, Mei, Simona, Merritt, David, ...
Also archived in: arXiv:astro-ph/0404138 v1 6 Apr 2004
The ACS Virgo Cluster survey. I. Introduction to the survey (2004)
Cote, Patrick, Blakeslee, John, Ferrarese, Laura, Jordan, Andres, Mei, Simona, Merritt, David, ...
Also archived in: arXiv:astro-ph/0404138 v1 6 Apr 2004
The ACS Virgo Cluster Survey II. Data Reduction Procedures (2004)
Jordan, Andres, Blakeslee, John P., Peng, Eric W., Mei, Simona, Cote, Patrick, Ferrarese, Laura, ...
The ACS Virgo Cluster Survey is a large program to carry out multi-color imaging of 100 early-type members of the Virgo Cluster using the Advanced Camera for Surveys (ACS) on the Hubble Space...
Jordan, Andres, Cote, Patrick, Ferrarese, Laura, Blakeslee, John P., Mei, Simona, Merritt, David, ...
The ACIS instrument on board the Chandra X-ray Observatory has been used to carry out the first systematic study of low-mass X-ray binaries (LMXBs) in M87. We identify 174 X-ray point-sources, of...
The ACS Virgo Cluster Survey. I. Introduction to the Survey (2004)
Cote, Patrick, Blakeslee, John P., Ferrarese, Laura, Jordan, Andres, Mei, Simona, Merritt, David, ...
The Virgo Cluster is the dominant mass concentration in the Local Supercluster and the largest collection of elliptical and lenticular galaxies in the nearby universe. In this paper, we present an...
X-ray and Optical Filaments in M87 (2004)
Sparks, William B., Donahue, Megan, Jordan, Andres, Ferrarese, Laura, Cote, Patrick
We compare a very deep X-ray image of M87, at the center of the Virgo Cluster, to high-quality optical images of the low excitation emission-line gas in the same region. There are striking...
Reconstructing Galaxy Histories from Globular Clusters (2004)
West, Michael J., Cote, Patrick, Marzke, Ronald O., Jordan, Andres
Nearly a century after the true nature of galaxies as distant "island universes" was established, their origin and evolution remain great unsolved problems of modern astrophysics. One of the most...
Hubble Space Telescope Observations of Novae in M49 (2003)
Ferrarese, Laura, Cote, Patrick, Jordan, Andres
A search for novae in M49 (NGC 4472) has been undertaken with the Hubble Space Telescope. A 55-day observing campaign in F555W (19 epochs) and F814W (five epochs) has led to the discovery of nine...
Hubble Space Telescope Observations of cD Galaxies and their Globular Cluster Systems (2003)
Jordan, Andres, Cote, Patrick, West, Michael J., Marzke, Ronald O., Minniti, Dante, Rejkuba, Marina
We have used WFPC2 on the Hubble Space Telescope to obtain F450W and F814W images of four cD galaxies (NGC 541 in Abell 194, NGC 2832 in Abell 779, NGC 4839 in Abell 1656 and NGC 7768 in Abell 2666)...
Intergalactic Globular Clusters (2003)
West, Michael J., Cote, Patrick, Ferguson, Henry C., Gregg, Michael D., Jordan, Andres, Marzke, Ronald O., ...
We confirm and extend our previous detection of a population of intergalactic globular clusters in Abell 1185, and report the first discovery of an intergalactic globular cluster in the nearby Virgo...
A Point Source Excess in Abell 1185: Intergalactic Globular Clusters? (2003)
Jordan, Andres, West, Michael J., Cote, Patrick, Marzke, Ronald O.
Deep imaging with WFPC2 and the Hubble Space Telescope has been used to search for a population of intergalactic globular clusters (GCs) belonging to Abell 1185, a richness I cluster at cz = 9800...
The Relative Ages of the Globular Cluster Subpopulations in M87 (2002)
Jordan, Andres, Cote, Patrick, West, Michael J., Marzke, R. O.
Relative ages for the globular cluster (GC) subpopulations in the Virgo giant elliptical galaxy M87 (NGC 4486) have been determined from Stroemgren photometry obtained with WFPC2 on board HST. Using...
Path Integral Invariance under Point Transformations (1997)
Jordan, Andres, Libedinsky, Matias
We give here a covariant definition of the path integral formalism for the Lagrangian, which leaves a freedom to choose anyone of many possible quantum systems that correspond to the same classical...