GGCs database: globular cluster AM 4

Release 11.12 ("Hergest Ridge")

Selected: AM 4

Parameters
Positional Parameters
cluster	AM 4
RA	13 56 21.7
Declination	-27 10 03
Galactic longitude	320.28
Galactic latitude	33.51
R sun	32.2
R gc	27.8
X	20.7
Y	-17.2
Z	17.8
Photometric Parameters
E (B-V)	0.05
V HB	18.3
(m-M)	17.69
Vt	15.9
MVt	-1.81
Structural Parameters
[Fe / H]	-1.3
v_r	0
err	0
v_LSR	0
c	0.7
r_c	0.41
r_h	0.43
r_t	1.32
lg(tc)	8.42
lg(th)	8.32
mu_V	24.75
rho_v	-0.05
Color-magnitude diagrams
author	Inman, Richard T.; Carney, Bruce W.
title	AM-4 - The poorest globular cluster?
journal	Astronomical Journal, vol. 93, May 1987, p. 1166-1171
CM diagram

Image
Image of the cluster from the Digital Sky Survey
Other Resources for AM 4

ADS "Object Search"
C. Clement variables data
SEDS data
Web Links for this cluster (0 links in the database at the moment)
Users comments for this cluster (0 comments in the database at the moment)
Selected biblio
Paper n. 1
Carraro, Giovanni The Globular Cluster AM 4: Yet Another Young Globular Associated with the Sgr Dwarf Spheroidal Galaxy? 2009, The Astronomical Journal, Volume 137, Issue 4, pp. 3809-3814 (AM 4 )
Paper n. 2
Inman, Richard T.; Carney, Bruce W. AM-4 - The poorest globular cluster? 1987, Astronomical Journal, vol. 93, May 1987, p. 1166-1171 (AM 4 cmd )
Paper n. 3
Madore, B. F.; Arp, H. C. A distant star cluster in Hydra, AM-4 1982, Publications of the Astronomical Society of the Pacific, 94, 40 (AM 4 )
*See all items (3 papers) :: Submit a paper*
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Query processed at 22:53, 1st April
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Page updated: 2010-06-10

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