Results 1 to 10 of about 5,377 (132)

Mid Infrared Polarisation of Ultraluminous Infrared Galaxies [PDF]

Astronomy & Astrophysics, 2001
The mid infrared polarisation properties of four Ultraluminous Infrared Galaxies (ULIRGs) have been investigated by broad band filter observations with the ISOCAM instrument on board the Infrared Space Observatory (ISO).
A. Efstathiou, Antonucci, Antonucci, Barger, Carilli, Cesarsky, Clavel, Downes, Efstathiou, Efstathiou, Efstathiou, Genzel, Goldader, Gonatas, Granato, Greaves, Haas, Hall, Heisler, Hildebrand, Hiltner, Hughes, Jones, Kawara, Kessler, Koningl, Krolik, Krügel, Leach, Minchin, Novak, Ott, Pier, Puget, R. Siebenmorgen, Rigopoulou, Sanders, Sargent, Siebenmorgen, Siebenmorgen, Skinner, Smith, Smith, Soifer, Sopp, Veilleux, Ward-Thompson   +46 more
core   +4 more sources

Ultraluminous Infrared Galaxies [PDF]

Symposium - International Astronomical Union, 1999
At luminosities above ~10^{11} L_sun, infrared galaxies become the dominant population of extragalactic objects in the local Universe (z < 0.5), being more numerous than optically selected starburst and Seyfert galaxies, and QSOs at comparable bolometric
BT Soifer, DB Sanders, DB Sanders, DB Sanders, DB Sanders, DB Sanders, DB Sanders, DL Clements, F Schweizer, GS Wright, J Kormendy, J Kormendy, J Magorrian, J Melnick, JA Surace, JA Surace, JC Mihos, JE Barnes, L Armus, NZ Scoville, NZ Scoville, PM Bryant, TM Heckman, TW Murphy   +23 more
core   +5 more sources

The Submillimetre Properties of Ultraluminous Infrared Galaxies [PDF]

Monthly Notices of the Royal Astronomical Society, 2009
We present the results of SCUBA observations of a complete sample of local ULIRGs. Twenty of the initial sample of 23 sources are detected at 850 um and nearly half of the objects are also detected at 450 um.
Avni, Barnes, Bendo, Chapman, Clements, Clements, Clements, Clements, Colina, Coppin, D. L. Clements, Dasyra, Dasyra, Devereux, Draine, Dunne, Dunne, Eales, Eales, Eales, Farrah, Farrah, Fixsen, Holland, Jenness, Kauffmann, Khan, Kim, Klaas, Kovacs, L. Dunne, Lisenfeld, Murphy, Puget, Regan, Rigopoulou, Rowan-Robinson, S. Eales, Sakamoto, Sanders, Sanders, Smail, Solomon, Symeonidis, Vlahakis, Wiebe, Willmer, Wright, Yang   +48 more
core   +3 more sources

Quasars and Ultraluminous Infrared Galaxies: At the Limit? [PDF]

The Astrophysical Journal, 1998
We have detected the host galaxies of 16 nearby, radio-quiet quasars using images obtained with the Near-Infrared Camera and Multi-Object Spectrometer (NICMOS).
Cristiani S., G. H. Rieke, Haehnelt M. G., K. K. McLeod, Kormendy J., L. J. Storrie-Lombardi, Ronnback J., Sanders D. B., Soltan A., Taylor G. L.   +9 more
core   +6 more sources

The Molecular Interstellar Medium in Ultraluminous Infrared Galaxies [PDF]

The Astrophysical Journal, 1996
We present CO observations of a large sample of ultraluminous IR galaxies out to z = 0.3. Most of the galaxies are interacting, but not completed mergers. All but one have high CO(1-0) luminosities, log(Lco [K-km/s-pc^2]) = 9.92 +/- 0.12.
D. Downes, Hildebrand R. H., J. W. Barrett, Kollatschny W., Melnick J., P. M. Solomon, S. J. E. Radford   +6 more
core   +3 more sources

The hyperluminous X‐ray source population

Astronomische Nachrichten, Volume 344, Issue 4, May 2023., 2023
Abstract We have recently published a catalog of 1843 candidate ultraluminous X‐ray sources (ULXs). This is the largest catalog of ULXs to date and was built by cross‐correlating recent serendipitous source catalogs from the XMM‐Newton, Swift, and Chandra observatories with a large sample of galaxies, primarily from HyperLEDA.
A. D. A. MacKenzie, T. P. Roberts, D. J. Walton   +2 more
wiley   +1 more source

Near-Infrared Spectra of Ultraluminous Infrared Galaxies [PDF]

The Astrophysical Journal, 1999
Near infrared spectra with resolution R ~ 1100 in the rest wavelength range 1.8-2.2 microns have been obtained for a complete sample of 33 ultraluminous infrared galaxies. Of the 33 objects observed, 2 show evidence of a central AGN through either a broad Paschen-alpha line or emission in the 1.963 micron fine structure of [Si VI].
Murphy, Jr., T. W., Soifer, B. T., Matthews, K., Kiger, J. R., Armus, L.   +4 more
openaire   +3 more sources

Cosmic Sands: The Origin of Dusty, Star-forming Galaxies in the Epoch of Reionization

The Astrophysical Journal, 2023
We present the Cosmic Sands suite of cosmological zoom-in simulations based on the simba galaxy formation model in order to study the buildup of the first massive and dusty galaxies in the early universe.
Sidney Lower, Desika Narayanan, Qi Li, Romeel Davé   +3 more
doaj   +1 more source

STELLAR POPULATIONS OF ULTRALUMINOUS INFRARED GALAXIES [PDF]

The Astrophysical Journal, 2011
8 pages, 10 figures, 1 table.
Hou, L. G., Han, J. L., Kong, M. Z., Wu, Xue-Bing   +3 more
openaire   +2 more sources

Discovery of a Low-redshift Hot Dust-obscured Galaxy

The Astrophysical Journal, 2023
We report the discovery of the hyperluminous, highly obscured active galactic nuclei (AGN) WISE J190445.04+485308.9 (W1904+4853, hereafter, L _bol ∼ 1.1 × 10 ^13 L _⊙ ) at z = 0.415.
Guodong Li, Chao-Wei Tsai, Daniel Stern, Jingwen Wu, Roberto J. Assef, Andrew W. Blain, Tanio Díaz-Santos, Peter R. M. Eisenhardt, Roger L. Griffith, Thomas H. Jarrett, Hyunsung D. Jun, Sean E. Lake, M. Lynne Saade   +12 more
doaj   +1 more source