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Latest Details
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Name
  MACHO 309.37247.71  
AAVSO UID
000-BKQ-164 (No observations)  
Constellation
Sagittarius Sequence
J2000.0
18 18 14.87 -22 12 46.1  (274.56197 -22.21282) Search nearby
B1950.0 18 15 13.92 -22 13 59.3
Galactic coord. 9.482 -3.066
Other names

(Internal only)
2MASS J18181487-2212462 AKARI-IRC-V1 J1818148-221245 OGLE-BLG-LPV-261557
OGLE-IV BLG656.05.63626 VSX J181814.8-221246  
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Variability type
M
Spectral type --
Mag. range
12.6 - 16.6 Rc
Discoverer Klaus Bernhard, Stefan Hümmerich
Epoch
03 Jun 1998 (HJD 2450968.0) Ephemeris
Outburst --
Period 295.2 d
Rise/eclipse dur. --
Remarks
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1 Hümmerich, Stefan Positional data was taken from 2MASS. J-K = 1.730 (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 = 8.52H = 7.40K = 6.79J - K = 1.73
AllWISE W1 = 6.64W2 = 5.94W3 = 5.47W4 = 4.57W1 - W2 = 0.70W3 - W4 = 0.90
Images
Please review Digitized Sky Survey Acknowledgment and Copyright.
Size 5' x 5' (297 x 298 pixels)
Center 18 18 14.87 -22 12 46.1 (J2000)
Source STScI
Survey

Red, all sky, 1.0 arcsec/pixel
  Negative
Supporting Documents
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1 MACHO 309.37247.71 - lightcurve and phase plot Hümmerich, Stefan 2012-08-18 23:48 UTC MACHO 309.37247.71 - 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 2012-08-19 01:55 UTC Initial submission.

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