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Latest Details
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Name
  MACHO 311.37223.1206  
AAVSO UID
000-BKT-473 (No observations)  
Constellation
Sagittarius Sequence
J2000.0
18 18 08.88 -23 49 11.0  (274.53701 -23.81972) Search nearby
B1950.0 18 15 05.72 -23 50 23.6
Galactic coord. 8.051 -3.802
Other names

(Internal only)
2MASS J18180888-2349109 AKARI-IRC-V1 J1818088-234910 ASASSN-V J181808.88-234911.0
OGLE-BLG-LPV-261526 OGLE-IV BLG528.30.110497  
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Variability type
M
Spectral type --
Mag. range
13.4 - 17.0: Rc
Discoverer Klaus Bernhard, Stefan Hümmerich
Epoch
27 Mar 1997 (HJD 2450535.0) Ephemeris
Outburst --
Period 324.8 d
Rise/eclipse dur. --
Remarks
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1 Hümmerich, Stefan Positional data was taken from 2MASS. J-K = 1.966 (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 = 9.25H = 7.94K = 7.28J - K = 1.97
AllWISE W1 = 6.91W2 = 6.52W3 = 5.54W4 = 4.93W1 - W2 = 0.39W3 - W4 = 0.61
Images
Please review Digitized Sky Survey Acknowledgment and Copyright.
Size 5' x 5' (297 x 298 pixels)
Center 18 18 08.88 -23 49 11.0 (J2000)
Source STScI
Survey

Red, all sky, 1.0 arcsec/pixel
  Negative
Supporting Documents
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1 MACHO 311.37223.1206 - lightcurve and phase plot Hümmerich, Stefan 2012-11-17 19:52 UTC MACHO 311.37223.1206 - 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 2012-11-19 19:19 UTC Initial submission.

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