Release 7.11 ("Paola")

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Your query: M 3

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Parameters
Positional Parameters
clusterNGC 5272
nameM 3
RA13 42 11.
Declination+28 22 32
Galactic longitude42.21
Galactic latitude78.71
R sun10.4
R gc12.2
X1.5
Y1.4
Z10.2
Photometric Parameters
E (B-V)0.01
V HB15.68
(m-M)15.12
Vt6.19
MVt-8.93
(U-B)0.09
(B-V)0.69
(V-I)0.93
S_RR49
HBR0.08
hbt4
Structural Parameters
[Fe / H]-1.57
SpT F6
v_r-147.6
err0.2
v_LSR-137.9
c1.84
r_c0.55
r_h1.12
r_t38.19
lg(tc)8.84
lg(th)9.35
mu_V16.34
rho_v3.51
Color-magnitude diagrams
authorBuonanno, R.; Corsi, C. E.; Buzzoni, A.; Cacciari, C.; Ferraro, F. R.; Fusi Pecci, F.
titleThe stellar population of the globular cluster M 3. I. Photographic photometry of 10 000 stars
journalAstron. Astrophys. 290, 69-103 (1994)
CM diagram
Description of NGC 5272

Messier 3 (also known as M3 or NGC 5272) is a globular cluster in the constellation Canes Venatici. It was discovered by Charles Messier in 1764, and resolved into stars by William Herschel around 1784. This cluster is one of the largest and brightest, and is made up of around 500,000 stars. It is located at a distance of about 33,900 light-years away from Earth. M3 has an apparent magnitude of 6.2, making it visible to the naked eye under dark conditions. From a moderate-sized telescope, the cluster is fully defined.

Source: Wikipedia | Notify inaccuracies

DSS image

Image of the cluster from the Digital Sky Survey

Other Resources
for NGC 5272
ADS "Object Search"
C. Clement variables data
SEDS data
Google Sky
Web Links for this cluster
(5 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
Marconi, M.; Caputo, F.; Di Criscienzo, M.; Castellani, M.
RR Lyrae Stars in Galactic Globular Clusters. II. A Theoretical Approach to Variables in M3
2003, The Astrophysical Journal, Volume 596, Issue 1, pp. 299-313
(NGC 5272 )
Paper n. 2
Corwin, T. Michael; Carney, Bruce W.
BV Photometry of the RR Lyrae Variables of the Globular Cluster M3
2001, The Astronomical Journal, Volume 122, Issue 6, pp. 3183-3211
(NGC 5272 cmd )
Paper n. 3
Ferraro, F. R.; Carretta, E.; Corsi, C. E.; Fusi Pecci, F.; Cacciari, C.; Buonanno, R.; Paltrinieri, B.; Hamilton, D.
The stellar population of the globular cluster M 3. II. CCD photometry of additional 10,000 stars.
1997, A&A, 320, 757
(NGC 5272 )
See all items (4 papers)

Query processed at 21:46, 9th February
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