Release 11.12 ("Hergest Ridge")

Selected: NGC 5272

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Positional Parameters
clusterNGC 5272
nameM 3
RA13 42 11.62
Declination+28 22 38.2
Galactic longitude42.22
Galactic latitude78.71
R sun10.2
R gc12
Photometric Parameters
E (B-V)0.01
V HB15.64
Structural Parameters
[Fe / H]-1.5
SpT F6
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
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


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
(6 links in the database at the moment)
Users comments for this cluster
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Selected biblio
Paper n. 1
VandenBerg, Don A.; Denissenkov, P. A.; Catelan, Marcio
Constraints on the Distance Moduli, Helium and Metal Abundances, and Ages of Globular Clusters from their RR Lyrae and Non-variable Horizontal-branch Stars. I. M3, M15, and M92
2016, The Astrophysical Journal, Volume 827, Issue 1, 23 pp.
(NGC 7078 NGC 5272 NGC 6341 )
Paper n. 2
Wagner-Kaiser, R. et al.
Bayesian Analysis of Two Stellar Populations in Galactic Globular Clusters. II. NGC 5024, NGC 5272, and NGC 6352
2016, The Astrophysical Journal, Volume 826, Issue 1, article id. 42, 18 pp.
(NGC 5024 NGC 5272 NGC 6352 )
Paper n. 3
Jurcsik, J. et al.
Overtone and Multi-mode RR Lyrae Stars in the Globular Cluster M3
2015, The Astrophysical Journal Supplement Series, Volume 219, Issue 2, article id. 25, 26 pp.
(NGC 5272 )
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Tutor(s) for this cluster:
Marco Castellani

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Query processed at 22:37, 21st May
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