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Latest Details
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Name
  ASAS J180759-2859.5  
AAVSO UID
--  
Constellation
Sagittarius Sequence
J2000.0
18 07 57.28 -28 59 34.1  (271.98867 -28.99281) Search nearby
B1950.0 18 04 46.68 -29 00 02.0
Proper motion
RA: -37.2 +/- 9.6 mas/yDec: 1.0 +/- 9.6 mas/ySource: UCAC4
Galactic coord. 2.401 -4.255
Other names

(Internal only)
2MASS J18075728-2859340 AKARI-IRC-V1 J1807571-285934 ASAS 180759-2859.5
ASASSN-V J180757.18-285934.3 MACHO 128.22187.3833  
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Variability type
M
Spectral type --
Mag. range
10.8: - <15.0 Rc
Discoverer --
Epoch
22 Apr 1997 (HJD 2450561.0) Ephemeris
Outburst --
Period 191.5 d
Rise/eclipse dur. --
Remarks
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1 Hümmerich, Stefan J-K = 1.370 (2MASS).
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References
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1 G.Pojmanski, Acta Astronomica 52, 397, 2002. 2002AcA....52..397P
2 R.A. Allsman, T.S. Axelrod, 2001, arXiv:astro-ph/0108444 (MACHO online
data)		 2001astro.ph..8444A
External Links
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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 = 8.67H = 7.72K = 7.30J - K = 1.37
AllWISE W1 = 7.54W2 = 7.07W3 = 5.34W4 = 3.69W1 - W2 = 0.47W3 - W4 = 1.65
Images
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Supporting Documents
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1 MACHO 128.22187.3833 - lightcurve and phase plot Hümmerich, Stefan 2013-03-06 17:00 UTC MACHO 128.22187.3833 - 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 Hümmerich, Stefan 2013-03-06 17:00 UTC Type, period, epoch and range were derived from MACHO photometry. 2MASS position.
1 Admin, VSX 2005-12-18 01:33 UTC Preserved original object data.

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