Release 11.12 ("Hergest Ridge")


Selected: NGC 6273

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Parameters
Positional Parameters
clusterNGC 6273
nameM 19
RA17 02 37.80
Declination-26 16 04.7
Galactic longitude356.87
Galactic latitude9.38
R sun8.8
R gc1.7
X8.7
Y-0.5
Z1.4
Photometric Parameters
E (B-V)0.38
V HB16.44
(m-M)15.9
Vt6.77
MVt-9.13
(U-B)0.35
(B-V)1.03
(V-R)0.66
(V-I)1.35
S_RR0.2
hbt0
Structural Parameters
[Fe / H]-1.74
SpT F7
v_r135
err4.1
v_LSR143.8
c1.53
r_c0.43
r_h1.32
r_t14.5
lg(tc)8.52
lg(th)9.38
mu_V16.77
rho_v3.98
Color-magnitude diagrams
authorPiotto, G.; Zoccali, M.; King, I. R.; Djorgovski, S. G.; Sosin, C.; Rich, R. M.; Meylan, G.
titleHUBBLE SPACE TELESCOPE Observations of Galactic Globular Cluster Cores. II. NGC 6273 and the Problem of Horizontal-Branch Gaps
journalThe Astronomical Journal, Volume 118, Issue 4, pp. 1727-1737 (1999)
CM diagram
CreditsCMD from Padova database

Description of NGC 6273

Messier 19 (also known as M19 or NGC 6273) is a globular cluster in the constellation Ophiuchus. It was discovered by Charles Messier in 1764 and added to his catalog of comet-like objects that same year.

M19 is the most oblate known globular cluster. It is at a distance of about 28,000 light-years from the Solar System, and quite near to the Galactic Center, only about 5,200 light-years away.

Source: Wikipedia | Notify inaccuracies

Image

Image of the cluster from the Digital Sky Survey

Other Resources
for NGC 6273
ADS "Object Search"
SEDS data
Google Sky
Web Links for this cluster
(0 links in the database at the moment)
Users comments for this cluster
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Selected biblio
Paper n. 1
Han, Sang-Il; Lim, Dongwook; Seo, Hyunju; Lee, Young-Wook
Evidence for Enrichment by Supernovae in the Globular Cluster NGC 6273
2015, The Astrophysical Journal Letters, Volume 813, Issue 2, article id. L43, 5 pp.
(NGC 6273 )
Paper n. 2
Piotto, G.; Zoccali, M.; King, I. R.; Djorgovski, S. G.; Sosin, C.; Rich, R. M.; Meylan, G.
HUBBLE SPACE TELESCOPE Observations of Galactic Globular Cluster Cores. II. NGC 6273 and the Problem of Horizontal-Branch Gaps
1999, The Astronomical Journal, Volume 118, Issue 4, pp. 1727-1737 (1999)
(NGC 6273 cmd )
Paper n. 3
Clement, C. C.; Hogg, H. S.
Variable stars in the globular cluster Messier 19
1978, Astronomical Journal, vol. 83, p. 167-171
(NGC 6273 )
See all items (3 papers) :: Submit a paper
Tutor(s) for this cluster:
Massimo Dall'Ora

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Query processed at 16:33, 23rd May
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