AAVSO Home



Welcome, Guest. You are not logged in.
Log in
    Revise    New Search
Details for Revision 1
Log in to retrieve additional aliases from SIMBAD.
Name
  MACHO 108.18948.438  
AAVSO UID
--  
Constellation
Sagittarius Sequence
J2000.0
18 00 25.02 -28 11 48.8  (270.10425 -28.19689) Search nearby
B1950.0 17 57 15.47 -28 11 43.7
Galactic coord. 2.288 -2.423
Other names

(Internal only)
2MASS J18002501-2811487 AKARI-IRC-V1 J1800250-281148 ASASSN-V J180025.02-281148.8
(Not logged in)  Add name
Variability type
M
Spectral type --
Mag. range
14.8 - 18.3: Rc
Discoverer Klaus Bernhard, Stefan Hümmerich
Epoch
04 Oct 1997 (HJD 2450726) Ephemeris
Outburst --
Period 413 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 Positional data was taken from 2MASS. J-K = 2.290 (2MASS).
(Not logged in)  Add remark
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
Links open in a new window. Not all links may be valid for this particular target.
Location    Go   
Select a Location for more details.
Supporting Documents
Click document name to open or save. Browser plug-in or other software may be required for viewing.
1 MACHO 108.18948.438 - lightcurve and phase plot Hümmerich, Stefan 2012-10-13 16:28 UTC MACHO 108.18948.438 - lightcurve and phase plot
(Not logged in)  Add document
Revision History
Currently approved revision is checked. Click revision number to view details of that revision.
2 Otero, Sebastian Alberto 2023-02-27 20:30 UTC Period from 2022ApJS..260...46I. Gaia DR3 position.
1 Hümmerich, Stefan 2012-10-15 19:15 UTC Initial submission.

Guidelines    FAQ    Manual    Forum    Variability Types    Passbands    Copyright    Acknowledgments    Privacy    Contact    Help us   
The International Variable Star Index
© 2005-2025 American Association of Variable Star Observers (AAVSO)
Version 1.1 [C]
172.30.5.236