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Details for Revision 2
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Name
  VSX J180502.0-225719  
AAVSO UID
000-BFT-854 (No observations)  
Constellation
Sagittarius Sequence
J2000.0
18 05 02.00 -22 57 19.0  (271.25833 -22.95528) Search nearby
B1950.0 18 01 59.97 -22 57 34.4
Galactic coord. 7.364 -0.747
Other names

(Internal only)
ASAS J180502-2257.3 ASASSN-V J180502.09-225718.9 UCAC2 22756183
USNO-B1.0 0670-0689611    
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Variability type
M:
Spectral type --
Mag. range
10.627 (0.918) Ic
Discoverer Paul F. Lowell
Epoch
--
Outburst --
Period 280: d
Rise/eclipse dur. --
Remarks
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1 Lowell, Paul F. I noticed this object over a series of images taken of M20. It appears to brighten dramatically in IR throughout 2007.
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References
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1 Iwanek, P.; et al., 2022, The OGLE Collection of Variable Stars: Nearly
66,000 Mira Stars in the Milky Way
2022ApJS..260...46I
2 G. Pojmanski, 2000, AcA 50, 177 2000AcA....50..177P
3 G. Pojmanski, 2000, AcA 50, 177 2000AcA....50..177P
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Supporting Documents
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1 3 zipped images Lowell, Paul F. 2008-09-09 06:41 UTC Overview.jpg=finder chart showing M20
Animate.gif=animated gif showing outburst over time
Detail.jpg=shows object location in detail
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Revision History
Currently approved revision is checked. Click revision number to view details of that revision.
3 Otero, Sebastian Alberto 2023-02-27 20:47 UTC Type, period, mean magnitude and amplitude from 2022ApJS..260...46I. Gaia DR3 position.
2 Admin, VSX 2011-12-27 06:14 UTC Update from [2000AcA....50..177P].
1 Lowell, Paul F. 2008-09-09 11:19 UTC Initial submission.