Results 21 to 30 of about 64,703 (265)

Photometry of Polar-Ring Galaxies

, 2007
To appear in RMxAA. 14 pages.
Arturo Godínez-Martínez, Lynn D. Matthews, Linda S. Sparke, Alan M. Watson   +3 more
openaire   +3 more sources

Photometry of Remote Galaxy Clusters [PDF]

Symposium - International Astronomical Union, 1980
New data on the colors of galaxies in distant, rich clusters of galaxies are presented. Of seven clusters examined having z<0.20, all exhibit color distributions indicating that a significant proportion of the member galaxies are undergoing star formation. The one cluster studied with z<0.20 clearly shows a reduced fraction of such galaxies.
H. Butcher, A. Oemler, D. Wells
openaire   +1 more source

Spatially Resolved Recent Star Formation History in NGC 6946

The Astrophysical Journal, 2023
The nearby face-on star-forming spiral galaxy NGC 6946 is known as the Fireworks Galaxy due to its hosting an unusually large number of supernovae. We analyze its resolved near-ultraviolet stellar photometry measured from images taken with the Hubble ...
Debby Tran, Benjamin Williams, Emily Levesque, Margaret Lazzarini, Julianne Dalcanton, Andrew Dolphin, Brad Koplitz, Adam Smercina, O. Grace Telford   +8 more
doaj   +1 more source

Photometry of Compact Galaxies

The Astrophysical Journal, 1972
Photometric histories of the N galaxies 3C 390.3 and PKS 0521-36. Four other compact galaxies, Markarian 9, I Zw 92, 2 Zw 136, and III Zw 77 showed no evidence of variability. The photometric histories were obtained from an exhaustive study of those plates of the Harvard collection taken with large aperture cameras. The images of all galaxies reported
B. S. P. Shen, P. D. Usher, J. W. Barrett   +2 more
openaire   +1 more source

Deep GALEX Observations of the Coma Cluster: Source Catalog and Galaxy Counts [PDF]

, 2010
We present a source catalog from deep 26 ks GALEX observations of the Coma cluster in the far-UV (FUV; 1530 A) and near-UV (NUV; 2310 A) wavebands.
Arnouts, Stephane, Hammer, Derek, Hornschemeier, Ann, Jenkins, Leigh, Miller, Neal, Milliard, Bruno, Mobasher, Bahram, Smith, Russell   +7 more
core   +9 more sources

The extended epoch of galaxy formation: age dating of ~3600 galaxies with 2 [PDF]

, 2016
We aim at improving constraints on the epoch of galaxy formation by measuring the ages of 3597 galaxies with spectroscopic redshifts ...
Bardelli, S., Cassata, P., Fèvre, O. Le, Garilli, B., Hathi, N.P., Koekemoer, A.M., Le Brun, V., Lemaux, B.C., Maccagni, D., Pforr, J., Scodeggio, M., Tasca, L.A.M., Thomas, R., Tresse, L., Zamorani, G., Zucca, E.   +15 more
core   +4 more sources

Rest-Frame R-band Lightcurve of a z~1.3 Supernova Obtained with Keck Laser Adaptive Optics [PDF]

, 2007
We present Keck diffraction limited H-band photometry of a z~1.3 Type Ia supernova (SN) candidate, first identified in a Hubble Space Telescope (HST) search for SNe in massive high redshift galaxy clusters.
Aldering, G., Barbary, K., Barczys, M., Dawson, K. S., Doi, M., Fadeyev, V., Goldhaber, G., Hattori, T., Ihara, Y., Kashikawa, N., Konishi, K., Koo, D. C., Kowalski, M., Kuznetsova, N., Larkin, J. E., Lidman, C., Max, C., Melbourne, J., Morokuma, T., Perlmutter, S., Rubin, D., Schlegel, D. J., Spadafora, A. L., Steinbring, E., Takanashi, N., Wright, S. A., Yasuda, N.   +26 more
core   +2 more sources

CANDELS/GOODS-S, CDFS, ECDFS: Photometric Redshifts For Normal and for X-Ray-Detected Galaxies [PDF]

, 2014
We present photometric redshifts and associated probability distributions for all detected sources in the Extended Chandra Deep Field South (ECDFS).
Ashby, Matthew L. N., Barro, Guillermo, Bender, Ralf, Brightman, Murray, Brusa, Marcella, Buchner, Johannes, Budavári, Tamás, Dahlen, Tomas, Donley, Jennifer L., Faber, Sandra M., Ferguson, Henry C., Galametz, Audrey, Georgakakis, Antonis, Grazian, Andrea, Grogin, Norman A., Guo, Yicheng, Hathi, Nimish P., Hsu, Li-Ting, Huang, Kuang-Han, Kocevski, Dale D., Koekemoer, Anton M., Lucas, Ray A., McGrath, Elizabeth, Mobasher, Bahram, Nandra, Kirpal, Peth, Michael, Rangel, Cyprian, Rosario, David J., Salvato, Mara, Szalay, Alexander S., Trump, Jonathan R., Willner, S. P.   +31 more
core   +9 more sources

Census of Self-Obscured Massive Stars in Nearby Galaxies with Spitzer: Implications for Understanding the Progenitors of SN 2008S-Like Transients [PDF]

, 2010
A new link in the causal mapping between massive stars and potentially fatal explosive transients opened with the 2008 discovery of the dust-obscured progenitors of the luminous outbursts in NGC 6946 and NGC 300.
Alard, Arbour, Ashby, Berger, Blum, Bolatto, Bonanos, Bonanos, Bond, C. S. Kochanek, Conroy, Dale, Fazio, Gieren, Gogarten, Gruendl, Gruendl, Hartman, J. F. Beacom, J. L. Prieto, K. Z. Stanek, Karachentsev, Kashi, Kennicutt, Kochanek, Lee, Li, Massey, McQuinn, Miyaji, Monard, Mould, Poelarends, Prieto, Prieto, Prieto, Pumo, Rubab Khan, Saha, Smith, Smith, Stetson, Thompson, Todd A. Thompson   +43 more
core   +2 more sources

Spitzer Observations of the z=2.73 Lensed Lyman Break Galaxy, MS1512-cB58 [PDF]

, 2008
We present Spitzer infrared (IR) photometry and spectroscopy of the lensed Lyman break galaxy (LBG), MS1512-cB58 at z=2.73. The large (factor ~30) magnification allows for the most detailed infrared study of an L*_UV(z=3) LBG to date.
Brian Siana, David T. Frayer, Harry I. Teplitz, James Colbert, Moorwood A. F. M., Prevot M. L., Ranga‐Ram Chary, Williams L. L. R.   +7 more
core   +2 more sources