2014ApJ...786L...3L

Query : 2014ApJ...786L...3L

2014ApJ...786L...3L - Astrophys. J., 786, L3 (2014/May-1)

A new distant Milky Way globular cluster in the Pan-STARRS1 3π survey.

LAEVENS B.P.M., MARTIN N.F., SESAR B., BERNARD E.J., RIX H.-W., SLATER C.T., BELL E.F., FERGUSON A.M.N., SCHLAFLY E.F., BURGETT W.S., CHAMBERS K.C., DENNEAU L., DRAPER P.W., KAISER N., KUDRITZKI R.-P., MAGNIER E.A., METCALFE N., MORGAN J.S., PRICE P.A., SWEENEY W.E., TONRY J.L., WAINSCOAT R.J. and WATERS C.

Abstract (from CDS):

We present a new satellite in the outer halo of the Galaxy, the first Milky Way satellite found in the stacked photometric catalog of the Panoramic Survey Telescope and Rapid Response System 1 (Pan-STARRS1) Survey. From follow-up photometry obtained with WFI on the MPG/ESO 2.2 m telescope, we argue that the object, located at a heliocentric distance of 145±17 kpc, is the most distant Milky Way globular cluster yet known. With a total magnitude of MV= -4.3±0.2 and a half-light radius of 20±2 pc, it shares the properties of extended globular clusters found in the outer halo of our Galaxy and the Andromeda galaxy. The discovery of this distant cluster shows that the full spatial extent of the Milky Way globular cluster system has not yet been fully explored.

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Journal keyword(s): globular clusters: individual: PSO J174.0675-10.8774 - Local Group

Simbad objects: 13

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Number of rows : 13
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2024 		#notes
1 M 31 AGN 00 42 44.330 +41 16 07.50 4.86 4.36 3.44     ~ 12678 1
2 M 33 GiG 01 33 50.8965749232 +30 39 36.630403128 6.17 6.27 5.72     ~ 5847 1
3 NAME Whiting 1 GlC 02 02 56.8 -03 15 10           ~ 150 0
4 NAME E 1 GlC 03 55 02.5 -49 36 52           ~ 209 0
5 NAME PYX GLOBULAR CL GlC 09 07 57.80 -37 13 17.0           ~ 108 0
6 M 81 Sy2 09 55 33.1726556496 +69 03 55.062505368   7.89 6.94     ~ 4456 3
7 NAME Sextans C GlC 10 05 30.96 +00 04 15.4   15.5 13.9     ~ 329 1
8 GCl 17 GlC 11 29 16.80 +28 58 25.0   14.4       ~ 355 1
9 NAME Crater Cluster GlC 11 36 16.20 -10 52 38.8           ~ 92 1
10 NAME Serpens Dwarf GlC 15 16 05.30 -00 06 41.0   15.1       ~ 737 1
11 GCl 38 GlC 16 10 59.00 +14 57 42.0           ~ 370 0
12 NAME Galactic Center reg 17 45 39.60213 -29 00 22.0000           ~ 14463 0
13 NAME Local Group GrG ~ ~           ~ 8415 0

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