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Name
  MACHO 308.38597.243  
AAVSO UID
000-BKQ-141 (No observations)  
Constellation
Sagittarius Sequence
J2000.0
18 20 21.20 -21 47 14.8  (275.08833 -21.78745) Search nearby
B1950.0 18 17 20.84 -21 48 37.2
Proper motion
RA: 0.0 +/- 50.0 mas/yDec: 0.0 +/- 50.0 mas/ySource: UCAC4
Galactic coord. 10.088 -3.296
Other names

(Internal only)
2MASS J18202120-2147148 ASASSN-V J182021.20-214714.8 OGLE-BLG-LPV-262074
OGLE-IV BLG656.19.59 VSX J182021.2-214714  
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Variability type
M
Spectral type --
Mag. range
13.3 - 17.1 Rc
Discoverer Klaus Bernhard, Stefan Hümmerich
Epoch
05 May 1997 (HJD 2450574.0) Ephemeris
Outburst --
Period 266.6 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 = 1.676 (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 = 10.02H = 8.96K = 8.34J - K = 1.68
AllWISE W1 = 8.20W2 = 7.74W3 = 6.90W4 = 6.22W1 - W2 = 0.46W3 - W4 = 0.68
Images
Please review Digitized Sky Survey Acknowledgment and Copyright.
Size 5' x 5' (297 x 298 pixels)
Center 18 20 21.20 -21 47 14.8 (J2000)
Source STScI
Survey

Red, all sky, 1.0 arcsec/pixel
  Negative
Supporting Documents
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1 MACHO 308.38597.243 - lightcurve and phase plot Hümmerich, Stefan 2012-08-17 20:44 UTC MACHO 308.38597.243 - 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 21:49 UTC Period from 2022ApJS..260...46I. Gaia DR3 position.
1 Hümmerich, Stefan 2012-08-17 22:29 UTC Initial submission.

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