Release 11.12 ("Hergest Ridge")


Selected: HP 1

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Parameters
Positional Parameters
clusterHP 1
nameBH 229
RA17 31 05.2
Declination-29 58 54
Galactic longitude357.44
Galactic latitude2.12
R sun8.2
R gc0.5
X8.2
Y-0.4
Z0.3
Photometric Parameters
E (B-V)1.12
V HB18.7
(m-M)18.05
Vt11.59
MVt-6.46
hbt1
Structural Parameters
[Fe / H]-1
v_r55.7
err0.7
v_LSR63.8
c2.5
r_c0.03
r_h3.1
r_t8.22
lg(tc)5.03
lg(th)9.44
mu_V21.29
rho_v4.33
Color-magnitude diagrams
authorOrtolani, S.; Bica, E.; Barbuy, B.
titleHP 1: a blue horizontal branch globular cluster in the bulge
journalMonthly Notices of the Royal Astronomical Society, Volume 284, Issue 3, pp. 692-698 (1997)
CM diagram

Image

Image of the cluster from the Digital Sky Survey

Other Resources
for HP 1
ADS "Object Search"
SEDS data
Web Links for this cluster
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Users comments for this cluster
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Selected biblio
Paper n. 1
Stephens, Andrew W.; Frogel, Jay A.
An Infrared Spectroscopic Study of Eight Galactic Globular Clusters
2004, The Astronomical Journal, Volume 127, Issue 2, pp. 925-937
(NGC 6526 NGC 6539 HP 1 Liller 1 Palomar 6 Terzan 2 Terzan 4 )
Paper n. 2
Davidge, T. J.
A Near-Infrared Photometric Study of the Low-Latitude Globular Clusters Liller 1, Djorgovski 1, HP 1, and NGC 6528
2000, The Astrophysical Journal Supplement Series, Volume 126, Issue 1, pp. 105-126
(Liller 1 Djorg 1 HP 1 NGC 6528 )
Paper n. 3
Ortolani, S.; Bica, E.; Barbuy, B.
HP 1: a blue horizontal branch globular cluster in the bulge
1997, Monthly Notices of the Royal Astronomical Society, Volume 284, Issue 3, pp. 692-698 (1997)
(HP 1 cmd )
See all items (3 papers) :: Submit a paper
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