Release 11.12 ("Hergest Ridge")


Selected: NGC 6638

New Search:
Parameters
Positional Parameters
clusterNGC 6638
RA18 30 56.10
Declination-25 29 50.9
Galactic longitude7.9
Galactic latitude-7.15
R sun9.4
R gc2.2
X9.3
Y1.3
Z-1.2
Photometric Parameters
E (B-V)0.41
V HB16.8
(m-M)16.14
Vt9.02
MVt-7.12
(U-B)0.56
(B-V)1.15
(V-R)0.72
(V-I)1.5
S_RR18.3
HBR-0.3
hbt4
Structural Parameters
[Fe / H]-0.95
SpT G0
v_r18.1
err3.9
v_LSR27.5
c1.33
r_c0.22
r_h0.51
r_t6.63
lg(tc)7.83
lg(th)8.46
mu_V17.3
rho_v4.09
Color-magnitude diagrams
authorAlcaino, G.; Liller, W.
titleThe globular cluster NGC 6638
journalAstronomical Journal, vol. 88, Aug. 1983, p. 1166-1174 (1983)
CM diagram
CreditsCMD from Padova database

Image

Image of the cluster from the Digital Sky Survey

Other Resources
for NGC 6638
ADS "Object Search"
SEDS data
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
Valenti, E.; Origlia, L.; Ferraro, F. R.
Near-infrared photometry of four metal-rich bulge globular clusters: NGC 6304, 6569, 6637 and 6638
2005, Monthly Notices of the Royal Astronomical Society, Volume 361, Issue 1, pp. 272-282
(NGC 6304 NGC 6569 NGC 6638 )
Paper n. 2
Alcaino, G.; Liller, W.
The globular cluster NGC 6638
1983, Astronomical Journal, vol. 88, Aug. 1983, p. 1166-1174 (1983)
(NGC 6638 cmd )
See all items (2 papers) :: Submit a paper
Tutor(s) for this cluster: Still nobody, you could be the first!

Query processed at 05:58, 29th May
This page has been visited 3493 times, since Oct 25 2004



Top of the page

Home | Parameters | Table 1 | Table 2 | Table 3
Search | Feedback | What's new | Links | Blog