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- Goddard Space Flight CenterUS53 papers
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22 papers · 1 filter
Astronomical Data Formats: What we have and how we got here
Jessica D. Mink
Despite almost all being acquired as photons, astronomical data from different instruments and at different stages in its life may exist in different formats to serve different pur…
Binary Properties from Cepheid Radial Velocities (CRaV)
Nancy Remage Evans, Leonid Berdnikov, Jennifer Lauer +6
We have examined high accuracy radial velocities of Cepheids to determine the binary frequency. The data are largely from the CORAVEL spectrophotometer and the Moscow version, with…
Beyond Chandra - the X-ray Surveyor
Martin C. Weisskopf, Jessica Gaskin, Harvey Tananbaum +1
Over the past 16 years, NASA's Chandra X-ray Observatory has provided an unparalleled means for exploring the universe with its half-arcsecond angular resolution. Chandra studies h…
New blazars from the cross-match of recent multi-frequency catalogs
A. Maselli, F. Massaro, R. D'Abrusco +4
Blazars are radio-loud active galactic nuclei well known for their non thermal emission spanning a wide range of frequencies. The Roma-BZCAT is, to date, the most comprehensive lis…
Isolated compact elliptical galaxies: Stellar systems that ran away
Igor Chilingarian, Ivan Zolotukhin
Compact elliptical galaxies form a rare class of stellar system (~30 presently known) characterized by high stellar densities and small sizes and often harboring metal-rich stars.…
LoCuSS: The slow quenching of star formation in cluster galaxies and the need for pre-processing
C. P. Haines, M. J. Pereira, G. P. Smith +8
We present a study of the spatial distribution and kinematics of star-forming galaxies in 30 massive clusters at 0.15<z<0.30, combining wide-field Spitzer 24um and GALEX NUV imagin…