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Latest Details
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Name
  V6338 Sgr  
AAVSO UID
000-BHQ-837 (No observations)  
Constellation
Sagittarius Sequence
J2000.0
18 18 01.34 -26 32 45.2  (274.50558 -26.54589) Search nearby
B1950.0 18 14 54.28 -26 33 56.7
Proper motion
RA: 7.5 +/- 5.5 mas/yDec: -8.9 +/- 5.3 mas/ySource: UCAC4
Galactic coord. 5.622 -5.055
Other names

(Internal only)
Please note that aliases shown in grey link to obsolete records.
2MASS J18180134-2632452 AKARI-IRC-V1 J1818013-263245 ASAS J181803-2632.9
ASASSN-V J181801.43-263246.2 GSC 06852-01467 MACHO 163.26513.155
NSV 10500    
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Variability type
M
Spectral type M:
Mag. range
11.7: - <15.3 Rc
Discoverer --
Epoch
11 Jun 1997 (HJD 2450611) Ephemeris
Outburst --
Period 258 d
Rise/eclipse dur. --
Remarks
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1 Hümmerich, Stefan J-K = 1.463 (2MASS).
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References
Click reference title/citation to view in new window. Roll over index number to view submission details.
1 E.V. Kazarovets, N.N. Samus, O.V. Durlevich et al., 2019, The 82nd
Name-List of Variable Stars. Part II – RA 18h to 20h and Novae
2019PZ.....39....3K
2 S. Hümmerich, K. Bernhard, 2012, OEJV 149 2012OEJV..149....1H
3 G.Pojmanski, Acta Astronomica 52, 397, 2002. 2002AcA....52..397P
4 R.A. Allsman, T.S. Axelrod, 2001, arXiv:astro-ph/0108444 (MACHO online
data)
2001astro.ph..8444A
5 D.Hoffleit, IBVS N660, 1972. 1972IBVS..660....1H
External Links
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Catalog Data
Information from selected catalogs obtained by cross-matching to 2 arc seconds using the CDS X-Match Service. These data may not be complete.
2MASS J = 8.41H = 7.39K = 6.94J - K = 1.46
AllWISE W1 = 6.08W2 = 5.97W3 = 5.24W4 = 4.79W1 - W2 = 0.11W3 - W4 = 0.46
Images
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Supporting Documents
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1 MACHO 163.26513.155 - lightcurve and phase plot Hümmerich, Stefan 2012-03-15 12:17 UTC MACHO 163.26513.155 - lightcurve and phase plot
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Revision History
Currently approved revision is checked. Click revision number to view details of that revision.
4 Admin, VSX 2019-11-01 03:19 UTC Update from [2019PZ.....39....3K].
3 Admin, VSX 2017-12-16 02:13 UTC Spectral type from Skiff (VizieR on-line data: B/mk)
2 Hümmerich, Stefan 2012-03-15 12:17 UTC Type confirmed as M. Period, epoch and range were derived from MACHO R-band photometry. 2MASS position.
1 Admin, VSX 2005-12-18 01:33 UTC Preserved original object data.