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Latest Details
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Name
  ASAS J183051-1923.5  
AAVSO UID
000-BQC-743 (5 observations)  
Constellation
Sagittarius Sequence
J2000.0
18 30 50.84 -19 23 31.8  (277.71183 -19.39217) Search nearby
B1950.0 18 27 53.79 -19 25 39.7
Proper motion
RA: -5.9 +/- 2.2 mas/yDec: -3.7 +/- 2.7 mas/ySource: UCAC4
Galactic coord. 13.355 -4.363
Other names

(Internal only)
ASAS 183051-1923.5 ASASSN-V J183050.74-192332.0 IRAS 18279-1925
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Variability type
MISC
Spectral type M5
Mag. range
10.8 (0.13) V
Discoverer --
Epoch
28 May 2001 (HJD 2452057.5) Ephemeris
Outburst --
Period 52.515491 d
Rise/eclipse dur. --
Remarks
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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, 2005) 1958ApJ...128..510N
External Links
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Location    Go   
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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 = 5.14H = 4.12K = 3.81J - K = 1.34
AllWISE W1 = 3.50W2 = 3.40W3 = 3.43W4 = 3.26W1 - W2 = 0.10W3 - W4 = 0.17
APASS-DR9 B = 12.89V = 10.89g' = 11.75r' = 10.13B - V = 2.00
Images
Please review Digitized Sky Survey Acknowledgment and Copyright.
Size 5' x 5' (297 x 298 pixels)
Center 18 30 50.84 -19 23 31.8 (J2000)
Source STScI
Survey

Red, all sky, 1.0 arcsec/pixel
  Negative
Supporting Documents
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Stellar Association Membership
 IC 4725 Open Cluster 2012A&A...548A..97Z
Revision History
Currently approved revision is checked. Click revision number to view details of that revision.
2 Admin, VSX 2007-04-04 10:10 UTC Position and spectral type from Brian Skiff's MKTypes.dat [http://vizier.u-strasbg.fr/viz-bin/Cat?III/233B].
1 Admin, VSX 2005-12-18 01:33 UTC Initial database population.

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