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Details for Revision 3
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Name
  MACHO 180.22890.135  
AAVSO UID
000-BKX-002 (No observations)  
Constellation
Sagittarius Sequence
J2000.0
18 09 35.35 -25 24 24.5  (272.39729 -25.40681) Search nearby
B1950.0 18 06 29.90 -25 24 59.7
Galactic coord. 5.725 -2.846
Other names

(Internal only)
2MASS J18093534-2524242 AKARI-IRC-V1 J1809354-252424 OGLE BLG257.2.137777
OGLE-BLG-LPV-220499    
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Variability type
M
Spectral type --
Mag. range
14.0 - <16.7 Rc
Discoverer Klaus Bernhard, Stefan Hümmerich
Epoch
02 Aug 2002 (HJD 2452489.0) Ephemeris
Outburst --
Period 381.1 d
Rise/eclipse dur. --
Remarks
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1 Hümmerich, Stefan Positional data was taken from 2MASS. J-K = 1.841 (2MASS).
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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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Supporting Documents
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2 MACHO 180.22890.135 / OGLE-BLG-LPV-220499 - lightcurve and phase plot Hümmerich, Stefan 2013-04-28 00:45 UTC MACHO 180.22890.135 / OGLE-BLG-LPV-220499 - lightcurve and phase plot; OGLE Ic has been shifted to match MACHO Rc.
1 MACHO 180.22890.135 - lightcurve and phase plot Hümmerich, Stefan 2013-03-18 11:58 UTC MACHO 180.22890.135 - lightcurve and phase plot
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Revision History
Currently approved revision is checked. Click revision number to view details of that revision.
4 Otero, Sebastian Alberto 2023-02-27 21:01 UTC Period from 2022ApJS..260...46I. Gaia DR3 position.
3 Hümmerich, Stefan 2013-04-28 00:45 UTC Period and epoch derived from combining MACHO Rc and OGLE Ic photometry.
2 Admin, VSX 2013-04-18 00:12 UTC Update from [2013arXiv1304.2787S].
1 Hümmerich, Stefan 2013-03-18 18:20 UTC Initial submission.