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Latest Details
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Name
  MACHO 118.18270.2512  
AAVSO UID
000-BKS-493 (No observations)  
Constellation
Sagittarius Sequence
J2000.0
17 58 54.45 -30 03 52.9  (269.72687 -30.06469) Search nearby
B1950.0 17 55 42.05 -30 03 41.1
Galactic coord. 0.500 -3.063
Other names

(Internal only)
2MASS J17585444-3003528 AKARI-IRC-V1 J1758544-300352 OGLE BLG188.6.51299
OGLE-BLG-LPV-155390 OGLE-III BLG188.6.51299 OGLE-IV BLG506.27.107355
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Variability type
M
Spectral type --
Mag. range
15.8 - <20.0: Rc
Discoverer Klaus Bernhard, Stefan Hümmerich
Epoch
09 Mar 1999 (HJD 2451247.0) Ephemeris
Outburst --
Period 452.4 d
Rise/eclipse dur. --
Remarks
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1 Hümmerich, Stefan Positional data was taken from 2MASS. J-K = 3.452 (2MASS). High mass-loss AGB star according to 2007MNRAS.381.1219O.
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References
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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 I. Soszynski, A. Udalski, M.K. Szymanski et al., 2013, Acta Astronomica 63,
21 (online V data)
2013arXiv1304.2787S
3 I. Soszynski, A. Udalski, M.K. Szymanski et al., 2013, Acta Astronomica 63,
21 (online I data)
2013arXiv1304.2787S
4 I. Soszynski, A. Udalski, M.K. Szymanski et al., 2013, Acta Astronomica 63,
21 (Chart)
2013arXiv1304.2787S
5 I. Soszynski, A. Udalski, M.K. Szymanski et al., 2013, Acta Astronomica 63,
21
2013arXiv1304.2787S
6 Soszynski, I.; et al., 2013, The Optical Gravitational Lensing Experiment.
The OGLE-III Catalog of Variable Stars. XV. Long-Period Variables in the
Galactic Bulge
2013AcA....63...21S
7 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 = 11.23H = 9.12K = 7.78J - K = 3.45
AllWISE W1 = 6.40W2 = 5.62W3 = 3.39W4 = 2.23W1 - W2 = 0.78W3 - W4 = 1.16
Images
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Supporting Documents
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1 MACHO 118.18270.2512 - lightcurve and phase plot Hümmerich, Stefan 2012-10-22 21:25 UTC MACHO 118.18270.2512 - lightcurve and phase plot
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Revision History
Currently approved revision is checked. Click revision number to view details of that revision.
3 Otero, Sebastian Alberto 2023-02-27 20:23 UTC Period from 2022ApJS..260...46I. Gaia DR3 position.
2 Admin, VSX 2013-04-17 23:50 UTC Update from [2013arXiv1304.2787S].
1 Hümmerich, Stefan 2012-10-23 07:48 UTC Initial submission.