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Details for Revision 2
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Name
  MACHO 180.22636.104  
AAVSO UID
000-BKN-077 (No observations)  
Constellation
Sagittarius Sequence
J2000.0
18 09 07.91 -25 03 18.9  (272.28296 -25.05525) Search nearby
B1950.0 18 06 02.96 -25 03 52.1
Galactic coord. 5.984 -2.586
Other names

(Internal only)
2MASS J18090790-2503188 AKARI-IRC-V1 J1809081-250321 OGLE BLG257.4.145995
OGLE-BLG-LPV-219231 VSX J180907.9-250318  
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Variability type
M
Spectral type --
Mag. range
13.110 (2.210) Ic
Discoverer Klaus Bernhard, Stefan Hümmerich
Epoch
01 Apr 1997 (HJD 2450540.00) Ephemeris
Outburst --
Period 175.64 d
Rise/eclipse dur. --
Remarks
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1 Hümmerich, Stefan Positional data was taken from 2MASS. J-K = 1.713 (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 E.V. Kazarovets, N.N. Samus, O.V. Durlevich et al., 2019, The 82nd
Name-List of Variable Stars. Part II – RA 18h to 20h and Novae		 2019PZ.....39....3K
3 I. Soszynski, A. Udalski, M.K. Szymanski et al., 2013, Acta Astronomica 63,
21 (online V data)		 2013arXiv1304.2787S
4 I. Soszynski, A. Udalski, M.K. Szymanski et al., 2013, Acta Astronomica 63,
21 (online I data)		 2013arXiv1304.2787S
5 I. Soszynski, A. Udalski, M.K. Szymanski et al., 2013, Acta Astronomica 63,
21 (Chart)		 2013arXiv1304.2787S
6 I. Soszynski, A. Udalski, M.K. Szymanski et al., 2013, Acta Astronomica 63,
21		 2013arXiv1304.2787S
7 I. Soszynski, A. Udalski, M.K. Szymanski et al., 2013, Acta Astronomica 63,
21		 2013arXiv1304.2787S
8 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
9 S. Hümmerich, K. Bernhard, 2012, OEJV 149 2012OEJV..149....1H
10 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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1 MACHO 180.22636.104 - lightcurve and phase plot Hümmerich, Stefan 2012-06-14 23:10 UTC MACHO 180.22636.104 - 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 21:00 UTC Period from 2022ApJS..260...46I. Gaia DR3 position.
3 Admin, VSX 2019-11-01 03:05 UTC Update from [2019PZ.....39....3K].
2 Admin, VSX 2013-04-18 00:11 UTC Update from [2013arXiv1304.2787S].
1 Hümmerich, Stefan 2012-06-15 00:15 UTC Initial submission.

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