Release 11.12 ("Hergest Ridge")


Selected: NGC 6284

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Parameters
Positional Parameters
clusterNGC 6284
RA17 04 28.51
Declination-24 45 53.5
Galactic longitude358.35
Galactic latitude9.94
R sun15.3
R gc7.5
X15
Y-0.4
Z2.6
Photometric Parameters
E (B-V)0.28
V HB17.4
(m-M)16.79
Vt8.83
MVt-7.96
(U-B)0.4
(B-V)0.99
(V-R)0.65
(V-I)1.31
S_RR3.9
hbt1
Structural Parameters
[Fe / H]-1.26
SpT F9
v_r27.5
err1.7
v_LSR36.7
c2.5
r_c0.07
r_h0.66
r_t23.08
lg(tc)7.24
lg(th)9.09
mu_V16.35
rho_v4.55
Color-magnitude diagrams
authorPiotto, G.; King, I. R.; Djorgovski, S. G.; Sosin, C.; Zoccali, M.; Saviane, I.; De Angeli, F.; Riello, M.; Recio Blanco
titleHST color-magnitude diagrams of 74 galactic globular clusters in the HST F439W and F555W bands
journalAstronomy and Astrophysics, v.391, p.945-965 (2002)
CM diagram
CreditsCMD from Padova Database

Image

Image of the cluster from the Digital Sky Survey

Other Resources
for NGC 6284
ADS "Object Search"
SEDS data
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Web Links for this cluster
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Users comments for this cluster
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Selected biblio
Paper n. 1
Piotto, G.; King, I. R.; Djorgovski, S. G.; Sosin, C.; Zoccali, M.; Saviane, I.; De Angeli, F.; Riello, M.; Recio Blanco
HST color-magnitude diagrams of 74 galactic globular clusters in the HST F439W and F555W bands
2002, Astronomy and Astrophysics, v.391, p.945-965 (2002)
(NGC 6284 cmd )
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Query processed at 05:21, 23rd March
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