AAVSO Home



Welcome, Guest. You are not logged in.
Log in
    Revise    New Search
Latest Details
Log in to retrieve additional aliases from SIMBAD.
Name
  MACHO 109.20508.87  
AAVSO UID
000-BKV-594 (No observations)  
Constellation
Sagittarius Sequence
J2000.0
18 04 11.53 -28 14 59.1  (271.04805 -28.24975) Search nearby
B1950.0 18 01 01.73 -28 15 11.5
Proper motion
RA: 47.1 +/- 9.7 mas/yDec: 19.6 +/- 9.7 mas/ySource: UCAC4
Galactic coord. 2.651 -3.173
Other names

(Internal only)
2MASS J18041153-2814591 AKARI-IRC-V1 J1804116-281459 ASASSN-V J180411.45-281500.1
(Not logged in)  Add name
Variability type
M
Spectral type --
Mag. range
11.7 - 15.7 Rc
Discoverer Klaus Bernhard, Stefan Hümmerich
Epoch
13 May 1999 (HJD 2451312) Ephemeris
Outburst --
Period 251 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 = 1.511 (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 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.
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 = 8.74H = 7.75K = 7.23J - K = 1.51
AllWISE W1 = 7.13W2 = 6.79W3 = 5.91W4 = 5.21W1 - W2 = 0.34W3 - W4 = 0.70
Images
Please review Digitized Sky Survey Acknowledgment and Copyright.
Size 5' x 5' (297 x 298 pixels)
Center 18 04 11.53 -28 14 59.1 (J2000)
Source STScI
Survey

Red, all sky, 1.0 arcsec/pixel
  Negative
Supporting Documents
Click document name to open or save. Browser plug-in or other software may be required for viewing.
1 MACHO 109.20508.87 - lightcurve and phase plot Hümmerich, Stefan 2013-01-13 21:35 UTC MACHO 109.20508.87 - 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.
1 Hümmerich, Stefan 2013-01-15 11:35 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]
172.30.2.216