Release 11.12 ("Hergest Ridge")


Selected: NGC 5053

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Parameters
Positional Parameters
clusterNGC 5053
RA13 16 27.09
Declination+17 42 00.9
Galactic longitude335.7
Galactic latitude78.95
R sun17.4
R gc17.8
X3
Y-1.4
Z17.1
Photometric Parameters
E (B-V)0.01
V HB16.69
(m-M)16.23
Vt9.47
MVt-6.76
(U-B)0.03
(B-V)0.65
(V-I)0.9
S_RR18.4
HBR0.52
hbt3
Structural Parameters
[Fe / H]-2.27
v_r44
err0.4
v_LSR50.9
c0.74
r_c2.08
r_h2.61
r_t13.67
lg(tc)9.81
lg(th)9.87
mu_V22.03
rho_v0.54
Color-magnitude diagrams
authorFahlman, Gregory G.; Richer, Harvey B.; Nemec, James
titleThe stellar content and structure of the globular cluster NGC 5053
journalAstrophysical Journal, vol. 380, p. 124-139
CM diagram
Description of NGC 5053

NGC 5053 was discovered by William Herschel on March 14, 1784 and cataloged as H VI.7.

NGC 5053 is situated just about 1 degree southeast of another, much more prominent globular cluster, M53. As they happen to be at a similar distance, both clusters are spacially quite close together. NGC 5053 is of a much lesser stellar density than its prominent neighbor, and particularly lacks a concentrated bright nucleus.

At a distance of about 53,500 light-years from us, NGC 5053's apparent diameter of 10.5 arc minutes corresponds to a linear extension of about 160 light-years. The cluster shines at a visual brightness of about 9.5 magnitudes, and a photographic magnitude 10.5. Its absolute visual magnitude is only about -6.72, corresponding to an intrinsic luminosity of about 40,000 times that of our sun. It is receding from us at about 44 km/s.

Source: Seds.org | Notify inaccuracies

Image

Image of the cluster from the Digital Sky Survey

Other Resources
for NGC 5053
ADS "Object Search"
C. Clement variables data
SEDS data
Google Sky
Web Links for this cluster
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Users comments for this cluster
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Selected biblio
Paper n. 1
Arellano Ferro, A.; Giridhar, Sunetra; Bramich, D. M.
CCD time-series photometry of the globular cluster NGC 5053: RR Lyrae, Blue Stragglers and SX Phoenicis stars revisited
2010, Monthly Notices of the Royal Astronomical Society
(NGC 5053 )
Paper n. 2
Sarajedini, Ata; Milone, Alejandra A. E.
BVI CCD photometry of NGC 5053: The most metal-poor galactic globular cluster
1995, The Astronomical Journal , vol. 109, no. 1669, p. 269-279
(NGC 5053 )
Paper n. 3
Fahlman, Gregory G.; Richer, Harvey B.; Nemec, James
The stellar content and structure of the globular cluster NGC 5053
1991, Astrophysical Journal, vol. 380, p. 124-139
(NGC 5053 cmd )
See all items (5 papers) :: Submit a paper
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Query processed at 14:28, 20th November
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