Release 7.11 ("Paola")

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Your query: M 107

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Parameters
Positional Parameters
clusterNGC 6171
nameM 107
RA16 32 31.
Declination -13 03 13
Galactic longitude3.37
Galactic latitude23.01
R sun6.4
R gc3.3
X5.9
Y0.3
Z2.5
Photometric Parameters
E (B-V)0.33
V HB15.7
(m-M)15.06
Vt7.93
MVt-7.13
(U-B)0.69
(B-V)1.1
(V-R)0.72
(V-I)1.45
S_RR31
HBR-0.73
hbt6
Structural Parameters
[Fe / H]-1.04
SpT G0
v_r-33.6
err0.3
v_LSR-20.4
c1.51
r_c0.54
r_h2.7
r_t17.44
lg(tc)8.05
lg(th)9.31
mu_V18.84
rho_v3.13
Color-magnitude diagrams
authorFerraro, F. R.; Clementini, G.; Fusi Pecci, F.; Buonanno, R.
titleCCD-photometry of galactic globular clusters. III - NGC 6171
journalMNRAS, vol. 252, Oct. 1, 1991, p. 357-377 (1991)
CM diagram
CreditsCMD from "Padova database"
Description of NGC 6171

Globular Cluster M107 (also known as Messier Object 107 or NGC 6171) is a very loose globular cluster in the constellation Ophiuchus. It was discovered by Pierre Mechain in April 1782 and independently by William Herschel in 1793. It wasn't until 1947 that Helen Sawyer Hogg added it, and three other objects discovered by Mechain to the list of Messier objects.

M107 is close to the galactic plane at a distance of about 20,900 light-years from Earth. There are 25 known variable stars in this cluster.

Source: Wikipedia | Notify inaccuracies

DSS image

Image of the cluster from the Digital Sky Survey

Other Resources
for NGC 6171
ADS "Object Search"
C. Clement variables data
SEDS data
Google Sky
Web Links for this cluster
(0 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
Ferraro, F. R.; Clementini, G.; Fusi Pecci, F.; Buonanno, R.
CCD-photometry of galactic globular clusters. III - NGC 6171
MNRAS, vol. 252, Oct. 1, 1991, p. 357-377 (1991)
(NGC 6171 cmd )
See all items (1 paper)

Query processed at 21:46, 9th February
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