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Latest Details
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Name
  V6221 Sgr  
AAVSO UID
000-BKG-874 (No observations)  
Constellation
Sagittarius Sequence
J2000.0
18 12 54.94 -27 30 55.1  (273.22894 -27.51530) Search nearby
B1950.0 18 09 46.45 -27 31 44.7
Galactic coord. 4.227 -4.509
Other names

(Internal only)
2MASS J18125494-2730550 AKARI-IRC-V1 J1812549-273055 ASASSN-V J181254.96-273055.9
MACHO 103.24289.3749 VSX J181254.9-273055  
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Variability type
M
Spectral type --
Mag. range
12.2 - <15.9 Rc
Discoverer Klaus Bernhard, Stefan Hümmerich
Epoch
16 Jul 1999 (HJD 2451376.0) Ephemeris
Outburst --
Period 388.8 d
Rise/eclipse dur. --
Remarks
Some references may be clicked to view in new window. Roll over index number to view submission details.
1 Hümmerich, Stefan Positional data was taken from 2MASS. J-K = 1.522 (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 R.A. Allsman, T.S. Axelrod, 2001, arXiv:astro-ph/0108444 (MACHO online
data)
2001astro.ph..8444A
External Links
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Location    Go   
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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 = 8.62H = 7.72K = 7.10J - K = 1.52
AllWISE W1 = 6.35W2 = 6.10W3 = 5.04W4 = 4.32W1 - W2 = 0.25W3 - W4 = 0.72
Images
Please review Digitized Sky Survey Acknowledgment and Copyright.
Size 5' x 5' (297 x 298 pixels)
Center 18 12 54.94 -27 30 55.1 (J2000)
Source STScI
Survey

Red, all sky, 1.0 arcsec/pixel
  Negative
Supporting Documents
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2 MACHO 103.24289.3749 - lightcurve Hümmerich, Stefan 2011-12-27 00:43 UTC MACHO 103.24289.3749 - lightcurve
1 MACHO 103.24289.3749 - folded lightcurve Hümmerich, Stefan 2011-12-27 00:43 UTC MACHO 103.24289.3749 - folded lightcurve
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Revision History
Currently approved revision is checked. Click revision number to view details of that revision.
2 Admin, VSX 2019-11-01 03:14 UTC Update from [2019PZ.....39....3K].
1 Hümmerich, Stefan 2011-12-27 00:55 UTC Initial submission.