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Latest Details
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Name
  MACHO 311.37394.18  
AAVSO UID
000-BKQ-357 (No observations)  
Constellation
Sagittarius Sequence
J2000.0
18 18 28.32 -23 35 32.5  (274.61801 -23.59235) Search nearby
B1950.0 18 15 25.48 -23 36 46.5
Galactic coord. 8.287 -3.760
Other names

(Internal only)
2MASS J18182832-2335323 ASASSN-V J181828.46-233532.7 OGLE-BLG-LPV-261603
OGLE-IV BLG527.05.13085 VSX J181828.3-233532  
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Variability type
M
Spectral type --
Mag. range
12.2 - 16.6 Rc
Discoverer Klaus Bernhard, Stefan Hümmerich
Epoch
10 Apr 1999 (HJD 2451279.00) Ephemeris
Outburst --
Period 138.98 d
Rise/eclipse dur. --
Remarks
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1 Hümmerich, Stefan Positional data was taken from 2MASS. J-K = 1.511 (2MASS).
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References
Click reference title/citation to view in new window. Roll over index number to view submission details.
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 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 = 9.99H = 9.07K = 8.48J - K = 1.51
AllWISE W1 = 7.87W2 = 7.63W3 = 6.44W4 = 5.77W1 - W2 = 0.24W3 - W4 = 0.67
Images
Please review Digitized Sky Survey Acknowledgment and Copyright.
Size 5' x 5' (297 x 298 pixels)
Center 18 18 28.32 -23 35 32.5 (J2000)
Source STScI
Survey

Red, all sky, 1.0 arcsec/pixel
  Negative
Supporting Documents
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1 MACHO 311.37394.18 - lightcurve and phase plot Hümmerich, Stefan 2012-08-27 00:25 UTC MACHO 311.37394.18 - lightcurve and phase plot
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Revision History
Currently approved revision is checked. Click revision number to view details of that revision.
2 Otero, Sebastian Alberto 2023-02-21 21:46 UTC Period from 2022ApJS..260...46I. Gaia DR3 position.
1 Hümmerich, Stefan 2012-08-27 19:44 UTC Initial submission.

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