Release 11.12 ("Hergest Ridge")


Selected: NGC 6397

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Parameters
Positional Parameters
clusterNGC 6397
RA17 40 42.09
Declination-53 40 27.6
Galactic longitude338.17
Galactic latitude-11.96
R sun2.3
R gc6
X2.1
Y-0.8
Z-0.5
Photometric Parameters
E (B-V)0.18
V HB12.87
(m-M)12.37
Vt5.73
MVt-6.64
(U-B)0.12
(B-V)0.73
(V-R)0.49
(V-I)1.03
S_RR0
HBR0.98
hbt1
Structural Parameters
[Fe / H]-2.02
SpT F4
v_r18.8
err0.1
v_LSR20.3
c2.5
r_c0.05
r_h2.9
r_t15.81
lg(tc)4.94
lg(th)8.6
mu_V15.47
rho_v5.76
Color-magnitude diagrams
authorAlcaino, G.; Liller, W.; Alvarado, F.; Kravtsov, V.; Ipatov, A.; Samus, N.; Smirnov, O.
titleMulticolor NTT CCD photometry of the post-core-collapse globular cluster NGC 6397
journalAstronomical 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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