AAVSO Home



Current Time: 09 Apr 2025 01:00:25 UTC
 Welcome, Guest. You are not logged in.
Log in
    Revise    New Search
Latest Details
Log in to retrieve additional aliases from SIMBAD.
Name
  ASAS J180252-2159.2  
AAVSO UID
--  
Constellation
Sagittarius Sequence
J2000.0
18 02 51.90 -21 59 12.4  (270.71625 -21.98678) Search nearby
B1950.0 17 59 51.21 -21 59 18.1
Proper motion
RA: -4.567 +/- 1.699 mas/yDec: -4.583 +/- 1.659 mas/ySource: Gaia DR1
Galactic coord. 7.962 +0.165
Other names

(Internal only)
ASAS 180252-2159.2 BD-21 4828 UCAC4 341-121276
(Not logged in)  Add name
Variability type
MISC
Spectral type M5
Mag. range
9.71 (0.13) V
Discoverer --
Epoch
17 Jun 2001 (HJD 2452078) Ephemeris
Outburst --
Period 40.54932 d
Rise/eclipse dur. --
Remarks
There are currently no remarks on file for this star. (Not logged in)  Add remark
References
Click reference title/citation to view in new window. Roll over index number to view submission details.
1 G.Pojmanski, Acta Astronomica 52, 397, 2002. 2002AcA....52..397P
2 Catalogue of Stellar Spectral Classifications (Skiff, 2009-2016) 1958ApJ...128..510N
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 = 5.02H = 3.85K = 3.62J - K = 1.41
AllWISE W1 = 3.48W2 = 3.06W3 = 3.32W4 = 3.21W1 - W2 = 0.41W3 - W4 = 0.11
APASS-DR9 B = 11.48g' = 10.61
Images
Please review Digitized Sky Survey Acknowledgment and Copyright.
Size 5' x 5' (297 x 298 pixels)
Center 18 02 51.90 -21 59 12.4 (J2000)
Source STScI
Survey

Red, all sky, 1.0 arcsec/pixel
  Negative
Supporting Documents
There are currently no supporting documents on file for this star. (Not logged in)  Add document
Revision History
Currently approved revision is checked. Click revision number to view details of that revision.
3 Admin, VSX 2017-12-15 03:54 UTC Spectral type from Skiff (VizieR on-line data: B/mk)
2 Zalezsak, Tamas 2016-03-24 01:07 UTC UCAC4 position.
1 Admin, VSX 2005-12-18 01:33 UTC Initial upload.

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]
172.30.3.42