GGCs database: globular cluster NGC 6397

Release 11.12 ("Hergest Ridge")

Selected: NGC 6397

Parameters
Positional Parameters
cluster	NGC 6397
RA	17 40 42.09
Declination	-53 40 27.6
Galactic longitude	338.17
Galactic latitude	-11.96
R sun	2.3
R gc	6
X	2.1
Y	-0.8
Z	-0.5
Photometric Parameters
E (B-V)	0.18
V HB	12.87
(m-M)	12.37
Vt	5.73
MVt	-6.64
(U-B)	0.12
(B-V)	0.73
(V-R)	0.49
(V-I)	1.03
S_RR	0
HBR	0.98
hbt	1
Structural Parameters
[Fe / H]	-2.02
SpT	F4
v_r	18.8
err	0.1
v_LSR	20.3
c	2.5
r_c	0.05
r_h	2.9
r_t	15.81
lg(tc)	4.94
lg(th)	8.6
mu_V	15.47
rho_v	5.76
Color-magnitude diagrams
author	Alcaino, G.; Liller, W.; Alvarado, F.; Kravtsov, V.; Ipatov, A.; Samus, N.; Smirnov, O.
title	Multicolor NTT CCD photometry of the post-core-collapse globular cluster NGC 6397
journal	Astronomical Journal v.114, p. 1067-1073 (1997)
CM diagram

Image
Image of the cluster from the Digital Sky Survey
Other Resources for NGC 6397

ADS "Object Search"
SEDS data
Web Links for this cluster (2 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
Torres, Santiago; García-Berro, Enrique; Althaus, Leandro G.; Camisassa, María E. The white dwarf population of NGC 6397 2015, Astronomy & Astrophysics, Volume 581, id.A90, 9 pp. (NGC 6397 )
Paper n. 2
Mucciarelli, A.; Lovisi, L.; Lanzoni, B.; Ferraro, F. R. The Helium Abundance in the Metal-poor Globular Clusters M30 and NGC 6397 2014, The Astrophysical Journal, Volume 786, Issue 1, article id. 14, 8 pp. (NGC 7099 NGC 6397 )
Paper n. 3
Milone, A. P.et al. A Double Main Sequence in the Globular Cluster NGC 6397 2012, The Astrophysical Journal, Volume 745, Issue 1, article id. 27 (NGC 6397 )
*See all items (13 papers) :: Submit a paper*
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