Results 31 to 40 of about 325,096 (124)

Carnegie Supernova Project-II: Extending the Near-Infrared Hubble Diagram for Type Ia Supernovae to $z\sim0.1$

open access: yes, 2018
The Carnegie Supernova Project-II (CSP-II) was an NSF-funded, four-year program to obtain optical and near-infrared observations of a "Cosmology" sample of $\sim100$ Type Ia supernovae located in the smooth Hubble flow ($0.03 \lesssim z \lesssim 0.10 ...
Anais, Jorge   +43 more
core   +1 more source

IRTF Observations of White Dwarfs with Possible Near-Infrared Excess [PDF]

open access: yes, 2009
Near-infrared photometry and spectroscopy is obtained for a heterogeneous sample of nearby white dwarfs with possible excess flux as identified primarily in the Two Micron All Sky Survey. Among the sample of 43 stars are a number of white dwarfs that are
Adelman-McCarthy   +93 more
core   +2 more sources

WISE J163940.83-684738.6: A Y Dwarf identified by Methane Imaging [PDF]

open access: yes, 2012
We have used methane imaging techniques to identify the near-infrared counterpart of the bright WISE source WISEJ163940.83-684738.6. The large proper motion of this source (around 3.0arcsec/yr) has moved it, since its original WISE identification, very ...
Cushing, Michael C.   +7 more
core   +2 more sources

Infrared identification of IGR J09026-4812 as a Seyfert 1 galaxy

open access: yes, 2009
IGR J09026-4812 was discovered by INTEGRAL in 2006 as a new hard X-ray source. Thereafter, an observation with Chandra pinpointed a single X-ray source within the ISGRI error circle, showing a hard spectrum, and improving its high-energy localisation to ...
Barvainis   +18 more
core   +2 more sources

Discovery of Four High Proper Motion L Dwarfs, Including a 10 pc L Dwarf at the L/T Transition [PDF]

open access: yes, 2013
We discover four high proper motion L dwarfs by comparing the Wide-field Infrared Survey Explorer (WISE) to the Two Micron All Sky Survey (2MASS). WISE J140533.32+835030.5 is an L dwarf at the L/T transition with a proper motion of 0.85+/-0.02" yr^-1 ...
Castro, Philip J.   +7 more
core   +2 more sources

Near-infrared spectroscopy of EX Lupi in outburst [PDF]

open access: yes, 2011
EX Lup is the prototype of the EXor class of young eruptive stars: objects showing repetitive brightenings due to increased accretion from the circumstellar disk to the star. In this paper, we report on medium-resolution near-infrared spectroscopy of EX\,
A. Juhász   +29 more
core   +2 more sources

Counts and Sizes of Galaxies in the Hubble Deep Field - South: Implications for the Next Generation Space Telescope

open access: yes, 2000
Science objectives for the Next Generation Space Telescope (NGST) include a large component of galaxy surveys, both imaging and spectroscopy. The Hubble Deep Field datasets include the deepest observations ever made in the ultraviolet, optical and near ...
Abraham R. G.   +5 more
core   +1 more source

Near-infrared integral-field spectroscopy of violent starburst environments

open access: yes, 2005
Near-infrared (NIR) integral-field spectroscopy (IFS) of violent starburst environments at high spatial (and spectral) resolution has the potential to revolutionise our ideas regarding the local interactions between the newly-formed massive stars and the
Alonso-Herrero   +14 more
core   +2 more sources

Adaptive optics near infrared integral field spectroscopy of NGC 2992

open access: yes, 2010
NGC 2992 is an intermediate Seyfert 1 galaxy showing outflows on kilo parsec scales which might be due either to AGN or starburst activity. We therefore aim at investigating its central region for a putative starburst in the past and its connection to ...
Abuter   +46 more
core   +1 more source

The Stellar Populations of Starburst Galaxies Through near infrared spectroscopy [PDF]

open access: yes, 2008
We study the central (inner few hundred parsecs) stellar populations of four starburst galaxies (NGC34, NGC1614, NGC3310 and NGC7714) in the near-infrared (NIR), from 0.8 to 2.4microns, by fitting combinations of stellar population models of various ages
Adler   +72 more
core   +3 more sources

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