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Latest Details
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Name
  MACHO 310.38242.89  
AAVSO UID
000-BKQ-319 (No observations)  
Constellation
Sagittarius Sequence
J2000.0
18 19 44.17 -23 04 54.8  (274.93404 -23.08188) Search nearby
B1950.0 18 16 42.04 -23 06 14.4
Galactic coord. 8.875 -3.777
Other names

(Internal only)
2MASS J18194416-2304546 AKARI-IRC-V1 J1819441-230454 OGLE-BLG-LPV-261915
OGLE-IV BLG527.11.92074 VSX J181944.1-230454  
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Variability type
M
Spectral type --
Mag. range
13.8 - 16.6 Rc
Discoverer Klaus Bernhard, Stefan Hümmerich
Epoch
21 Apr 1997 (HJD 2450560.0) Ephemeris
Outburst --
Period 402.2 d
Rise/eclipse dur. --
Remarks
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1 Hümmerich, Stefan Positional data was taken from 2MASS. J-K = 1.841 (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 = 8.10H = 6.93K = 6.25J - K = 1.84
AllWISE W1 = 5.64W2 = 5.44W3 = 4.33W4 = 3.58W1 - W2 = 0.20W3 - W4 = 0.75
Images
Please review Digitized Sky Survey Acknowledgment and Copyright.
Size 5' x 5' (297 x 298 pixels)
Center 18 19 44.17 -23 04 54.8 (J2000)
Source STScI
Survey

Red, all sky, 1.0 arcsec/pixel
  Negative
Supporting Documents
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1 MACHO 310.38242.89 - lightcurve and phase plot Hümmerich, Stefan 2012-08-24 16:37 UTC MACHO 310.38242.89 - 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 21:48 UTC Period from 2022ApJS..260...46I. Gaia DR3 position.
1 Hümmerich, Stefan 2012-08-24 20:23 UTC Initial submission.

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