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Latest Details
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Name
  MACHO 120.21784.108  
AAVSO UID
000-BKT-046 (No observations)  
Constellation
Sagittarius Sequence
J2000.0
18 07 12.64 -29 50 33.7  (271.80267 -29.84270) Search nearby
B1950.0 18 04 00.89 -29 50 55.3
Proper motion
RA: -77.1 +/- 7.0 mas/yDec: -59.0 +/- 7.2 mas/ySource: UCAC4
Galactic coord. 1.576 -4.523
Other names

(Internal only)
2MASS J18071265-2950336 OGLE-BLG-LPV-258362 OGLE-IV BLG520.06.45880
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Variability type
M
Spectral type --
Mag. range
13.1 - <14.7 Rc
Discoverer Klaus Bernhard, Stefan Hümmerich
Epoch
09 Jul 1997 (HJD 2450639.1) Ephemeris
Outburst --
Period 324.2 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 MACHO V photometry is likely affected by blending, thus the range in Rc has been tabulated. Range (V): 15.6-<16.1. Positional data was taken from 2MASS. J-K = 1.661 (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 = 8.21H = 7.15K = 6.54J - K = 1.66
AllWISE W1 = 6.05W2 = 5.90W3 = 4.96W4 = 4.29W1 - W2 = 0.15W3 - W4 = 0.68
Images
Please review Digitized Sky Survey Acknowledgment and Copyright.
Size 5' x 5' (297 x 298 pixels)
Center 18 07 12.64 -29 50 33.7 (J2000)
Source STScI
Survey

Red, all sky, 1.0 arcsec/pixel
  Negative
Supporting Documents
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1 MACHO 120.21784.108 - lightcurve and phase plot Hümmerich, Stefan 2012-11-02 00:58 UTC MACHO 120.21784.108 - 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 2023-02-27 20:54 UTC Type and period from 2022ApJS..260...46I. Gaia DR3 position.
1 Hümmerich, Stefan 2012-11-05 09:29 UTC Initial submission.

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