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 104.20640.4674  
AAVSO UID
000-BKV-533 (No observations)  
Constellation
Sagittarius Sequence
J2000.0
18 04 19.73 -28 04 55.0  (271.08223 -28.08195) Search nearby
B1950.0 18 01 10.43 -28 05 07.2
Proper motion
RA: -17.2 +/- 7.1 mas/yDec: 3.6 +/- 7.3 mas/ySource: UCAC4
Galactic coord. 2.813 -3.117
Other names

(Internal only)
2MASS J18041973-2804550 AKARI-IRC-V1 J1804198-280455 ASASSN-V J180419.76-280454.3
(Not logged in)  Add name
Variability type
M
Spectral type --
Mag. range
11.2: - 14.5 Rc
Discoverer Klaus Bernhard, Stefan Hümmerich
Epoch
27 Apr 1999 (HJD 2451296) Ephemeris
Outburst --
Period 190 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 = 1.268 (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 = 9.29H = 8.44K = 8.02J - K = 1.27
AllWISE W1 = 7.33W2 = 6.94W3 = 6.35W4 = 5.96W1 - W2 = 0.39W3 - W4 = 0.40
Images
Please review Digitized Sky Survey Acknowledgment and Copyright.
Size 5' x 5' (297 x 298 pixels)
Center 18 04 19.73 -28 04 55.0 (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 104.20640.4674 - lightcurve and phase plot Hümmerich, Stefan 2013-01-10 15:24 UTC MACHO 104.20640.4674 - 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 2013-01-10 23:22 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