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Latest Details
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Name
  MACHO 311.37227.694  
AAVSO UID
000-BKQ-356 (No observations)  
Constellation
Sagittarius Sequence
J2000.0
18 17 58.69 -23 31 49.4  (274.49454 -23.53040) Search nearby
B1950.0 18 14 55.93 -23 33 01.3
Galactic coord. 8.288 -3.631
Other names

(Internal only)
2MASS J18175870-2331494 OGLE-BLG-LPV-261489 OGLE-IV BLG527.06.27786
VSX J181758.7-233149    
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Variability type
M
Spectral type --
Mag. range
14.5 - 18.3 Rc
Discoverer Klaus Bernhard, Stefan Hümmerich
Epoch
28 Apr 1999 (HJD 2451297.0) Ephemeris
Outburst --
Period 400.3 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 = 1.743 (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 = 9.71H = 8.58K = 7.96J - K = 1.74
AllWISE W1 = 7.74W2 = 7.36W3 = 5.50W4 = 4.61W1 - W2 = 0.38W3 - W4 = 0.89
Images
Please review Digitized Sky Survey Acknowledgment and Copyright.
Size 5' x 5' (297 x 298 pixels)
Center 18 17 58.69 -23 31 49.4 (J2000)
Source STScI
Survey

Red, all sky, 1.0 arcsec/pixel
  Negative
Supporting Documents
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1 MACHO 311.37227.694 - lightcurve and phase plot Hümmerich, Stefan 2012-08-27 00:24 UTC MACHO 311.37227.694 - 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 21:45 UTC Period from 2022ApJS..260...46I. Gaia DR3 position.
1 Hümmerich, Stefan 2012-08-27 19:43 UTC Initial submission.

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