Release 11.12 ("Hergest Ridge")


Selected: AM 4

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Parameters
Positional Parameters
clusterAM 4
RA13 56 21.7
Declination-27 10 03
Galactic longitude320.28
Galactic latitude33.51
R sun32.2
R gc27.8
X20.7
Y-17.2
Z17.8
Photometric Parameters
E (B-V)0.05
V HB18.3
(m-M)17.69
Vt15.9
MVt-1.81
Structural Parameters
[Fe / H]-1.3
v_r0
err0
v_LSR0
c0.7
r_c0.41
r_h0.43
r_t1.32
lg(tc)8.42
lg(th)8.32
mu_V24.75
rho_v-0.05
Color-magnitude diagrams
authorInman, Richard T.; Carney, Bruce W.
titleAM-4 - The poorest globular cluster?
journalAstronomical 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 08:06, 28th March
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Page updated: 2010-06-10



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