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Latest Details
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Name
  MACHO 308.37421.123  
AAVSO UID
000-BKQ-100 (No observations)  
Constellation
Sagittarius Sequence
J2000.0
18 18 21.12 -21 48 56.0  (274.58801 -21.81554) Search nearby
B1950.0 18 15 20.71 -21 50 09.6
Galactic coord. 9.844 -2.900
Other names

(Internal only)
2MASS J18182111-2148559 AKARI-IRC-V1 J1818211-214855 OGLE-BLG-LPV-261580
OGLE-III BLG301.7.92360 OGLE-IV BLG656.22.381 VSX J181821.1-214856
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Variability type
M
Spectral type --
Mag. range
14.6 - 18.3 Rc
Discoverer Klaus Bernhard, Stefan Hümmerich
Epoch
04 Jun 1999 (HJD 2451334.0) Ephemeris
Outburst --
Period 491.4 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 = 1.938 (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 = 9.68H = 8.49K = 7.75J - K = 1.94
AllWISE W1 = 7.41W2 = 6.82W3 = 4.95W4 = 3.70W1 - W2 = 0.59W3 - W4 = 1.25
Images
Please review Digitized Sky Survey Acknowledgment and Copyright.
Size 5' x 5' (297 x 298 pixels)
Center 18 18 21.12 -21 48 56.0 (J2000)
Source STScI
Survey

Red, all sky, 1.0 arcsec/pixel
  Negative
Supporting Documents
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1 MACHO 308.37421.123 - lightcurve and phase plot Hümmerich, Stefan 2012-08-16 20:06 UTC MACHO 308.37421.123 - 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 2012-08-16 20:15 UTC Initial submission.

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