Parameters
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Positional Parameters
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cluster | NGC 2808 |
RA | 09 12 03.10 |
Declination | -64 51 48.6 |
Galactic longitude | 282.19 |
Galactic latitude | -11.25 |
R sun | 9.6 |
R gc | 11.1 |
X | 2 |
Y | -9.2 |
Z | -1.9 |
Photometric Parameters | E (B-V) | 0.22 |
V HB | 16.22 |
(m-M) | 15.59 |
Vt | 6.2 |
MVt | -9.39 |
(U-B) | 0.28 |
(B-V) | 0.92 |
(V-R) | 0.57 |
(V-I) | 1.18 |
S_RR | 0.3 |
HBR | -0.49 |
hbt | 0 |
Structural Parameters | [Fe / H] | -1.14 |
SpT | F7 |
v_r | 101.6 |
err | 0.7 |
v_LSR | 89.2 |
c | 1.56 |
r_c | 0.25 |
r_h | 0.8 |
r_t | 15.55 |
lg(tc) | 8.24 |
lg(th) | 9.15 |
mu_V | 15.08 |
rho_v | 4.66 |
Color-magnitude diagrams |
author | Sosin, C.; Dorman, B.; Djorgovski, S. G.; Piotto, G.; Rich, R. M.; King, I.R.; Liebert, J.; Phinney, E. S.; Renzini, A. | title | Peculiar Multimodality on the Horizontal Branch of the Globular Cluster NGC 2808 |
journal | Astrophysical Journal Letters v.480, p.L35, 1997 |
CM diagram |  |
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Image |
Image of the cluster from the Digital Sky Survey |
Other Resources
for
NGC 2808 |
Globular Clusters Blog |
ADS "Object Search"
| C. Clement variables data | SEDS data | Google Sky | 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 |
Simioni, M. et al. The Hubble Space Telescope UV Legacy Survey of Galactic globular clusters – X. The radial distribution of stellar populations in NGC 2808 2016, MNRAS, Volume 463, Issue 1, p.449-458 (NGC 2808 ) | Paper n. 2 |
Carretta, Eugenio Five Groups of Red Giants with Distinct Chemical Composition in the Globular Cluster NGC 2808 2015, The Astrophysical Journal, Volume 810, Issue 2, article id. 148, 17 pp. (NGC 2808 ) | Paper n. 3 |
Moni Bidin, C.; Villanova, S.; Piotto, G.; Momany, Y. A lack of close binaries among hot horizontal branch stars in globular clusters. II. NGC 2808 2011, Astronomy & Astrophysics, Volume 528, April 2011
(NGC 2808 ) | See all items
(13 papers) :: Submit a paper |
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Tutor(s) for this cluster:
Santi Cassisi(See how to adopt a cluster) |
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