Results 171 to 180 of about 3,570 (206)

Extended X-Ray Study of M49: The Frontier of the Virgo Cluster [PDF]

open access: yesAstronomical Journal, 2019
The M49 group, residing outside the virial radius of the Virgo cluster, is falling onto the cluster from the south. We report results from deep XMM-Newton mosaic observations of M49. Its hot gas temperature is 0.8 keV at the group center and rises to 1.5
Eugene M. Churazov   +2 more
exaly   +7 more sources

The Color Gradients of the Globular Cluster Systems in M87 and M49

open access: yesAstrophysical Journal, 2022
International audienceAbstract Combining data from the ACS Virgo Cluster Survey and the Next Generation Virgo cluster Survey, we extend previous studies of color gradients of the globular cluster (GC) systems of the two most massive galaxies in the Virgo
Chengze Liu, Youkyung Ko, Eric W. Peng
exaly   +5 more sources

Fresh Insights on the Kinematics of M49's Globular Cluster System with MMT/Hectospec Spectroscopy

open access: yesAstrophysical Journal, 2021
We present the first results of an MMT/Hectospec campaign to measure the kinematics of globular clusters (GCs) around M49 - the brightest galaxy in the Virgo galaxy cluster, which dominates the Virgo B subcluster.
Ann Zabludoff   +2 more
exaly   +2 more sources

EndoS2 is a unique and conserved enzyme of serotype M49 group A Streptococcus that hydrolyses N-linked glycans on IgG and α1-acid glycoprotein [PDF]

open access: yesBiochemical Journal, 2013
Many bacteria have evolved ways to interact with glycosylation functions of the immune system of their hosts. Streptococcus pyogenes [GAS (group A Streptococcus)] secretes the enzyme EndoS that cleaves glycans on human IgG and impairs the effector ...
Martin Stervander   +2 more
exaly   +3 more sources

Spectroscopy of globular clusters in M87 and M49

open access: yesAstronomical Journal, 1990
Optical multislit spectra of globular clusters in two giant elliptical galaxies in the Virgo Cluster indicate average metal abundances of one-sixth and one-tenth solar composition for M49 and M87, respectively. These estimates are based on the strength of Mg lines. Taken together with observations of globular clusters in dwarf ellipticals this suggests
James M Nemec, J R Mould, P T de Zeeuw
exaly   +2 more sources

THE NEXT GENERATION VIRGO CLUSTER SURVEY. X. PROPERTIES OF ULTRA-COMPACT DWARFS IN THE M87, M49, AND M60 REGIONS

open access: yesAstrophysical Journal, 2015
We use imaging from the Next Generation Virgo cluster Survey (NGVS) to present a comparative study of ultra-compact dwarf (UCD) galaxies associated with three prominent Virgo sub-clusters: those centered on the massive red-sequence galaxies M87, M49, and
Chengze Liu   +2 more
exaly   +2 more sources
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Hydrolysis of dipeptide derivatives reveals the diversity in the M49 family

Biological Chemistry, 2013
Abstract Dipeptidyl peptidase III, a metallopeptidase of the M49 family, was first identified (in the pituitary) by its specific cleavage of diarginyl arylamides, which have been used as preferred assay substrates until now. Here we examined the activity of the yeast and human dipeptidyl peptidase III in parallel.
Marija Abramić
exaly   +5 more sources

The Ages and Abundances of a Sample of Globular Clusters in M49 (NGC 4472)* [PDF]

open access: yesAstrophysical Journal, 2003
Accepted to the ...
Cohen, Judith G.   +2 more
exaly   +4 more sources

MPEC 2023-M49 : 2023 MQ

2023
The Minor Planet Electronic Circulars contain information on unusual minor planets, routine data on comets and natural satellites, and occasional editorial announcements. They are published on behalf of Division F of the International Astronomical Union by the Minor Planet Center, Smithsonian Astrophysical Observatory, Cambridge, MA 02138, U.S.A.
openaire   +1 more source

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