2009MNRAS.396.1096V

Query : 2009MNRAS.396.1096V

2009MNRAS.396.1096V - Mon. Not. R. Astron. Soc., 396, 1096-1105 (2009/June-3)

A peculiar HI cloud near the distant globular cluster Pal4.

VAN LOON J.Th., STANIMIROVIC S., PUTMAN M.E., PEEK J.E.G., GIBSON S.J., DOUGLAS K.A. and KORPELA E.J.

Abstract (from CDS):

We present 21-cm observations of four Galactic globular clusters, as part of the on-going Galactic Arecibo L-band Feed Array (GALFA) Hi survey at Arecibo. We discovered a peculiar Hi cloud in the vicinity of the distant (109 kpc) cluster Pal4, and discuss its properties and likelihood of association with the cluster. We conclude that an association of the Hi cloud and Pal4 is possible, but that a chance coincidence between Pal4 and a nearby compact high-velocity cloud cannot be ruled out altogether. New, more stringent upper limits were derived for the other three clusters: M3, NGC5466, and Pal13. We briefly discuss the fate of globular cluster gas and the interaction of compact clouds with the Galactic halo gas.

Abstract Copyright: © 2009 The Authors. Journal compilation © 2009 RAS

Journal keyword(s): ISM: clouds - globular clusters: individual: Pal4 - Galaxy: halo - galaxies: dwarf - dark matter - radio lines: ISM

Simbad objects: 22

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Number of rows : 22
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2026 		#notes
1 NGC 104 GlC 00 24 05.359 -72 04 53.20     4.09     ~ 4158 0
2 NAME Magellanic Stream HVC 00 32 -30.0           ~ 1079 1
3 M 31 AGN 00 42 44.330 +41 16 07.50 4.86 4.36 3.44     ~ 13622 1
4 NAME Magellanic Clouds GrG 03 00 -71.0           ~ 7988 0
5 NAME E 1 GlC 03 55 02.5 -49 36 52           ~ 229 0
6 NAME Eridanus Star Cluster GlC 04 24 44.5 -21 11 13           ~ 192 1
7 NGC 2419 GlC 07 38 08.51 +38 52 54.9     10.05     ~ 998 0
8 NGC 2808 GlC 09 12 03.10 -64 51 48.6           ~ 1540 0
9 NAME Leo T G 09 34 53.4 +17 03 05     15.1     ~ 434 0
10 NAME Sextans C GlC 10 05 30.96 +00 04 15.4   15.5 13.9     ~ 354 1
11 NAME Willman 1 G 10 49 21.0 +51 03 00     15.2     ~ 345 0
12 GCl 17 GlC 11 29 16.80 +28 58 25.0   14.4       ~ 379 1
13 M 3 GlC 13 42 11.62 +28 22 38.2     6.39     ~ 2593 0
14 NGC 5466 GlC 14 05 27.29 +28 32 04.0     9.70     ~ 887 0
15 GCl 38 GlC 16 10 59.00 +14 57 42.0           ~ 399 0
16 NAME HVC Complex C HVC 16 34.8 +63 07           ~ 273 1
17 NAME Galactic Center reg 17 45 39.60213 -29 00 22.0000           ~ 16269 0
18 M 56 GlC 19 16 35.57 +30 11 00.5           ~ 455 0
19 M 15 GlC 21 29 58.33 +12 10 01.2           ~ 3274 0
20 GCl 124 GlC 23 06 44.48 +12 46 19.2   15.6       ~ 307 1
21 NAME Local Group GrG ~ ~           ~ 9325 0
22 NAME Galactic Bulge reg ~ ~           ~ 4794 0

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