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Latest Details
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Name
  ASAS J180117-1521.6  
AAVSO UID
--  
Constellation
Serpens Sequence
J2000.0
18 01 16.65 -15 21 37.2  (270.31937 -15.36033) Search nearby
B1950.0 17 58 24.56 -15 21 36.5
Proper motion
RA: 2.1 +/- 1.4 mas/yDec: 0.5 +/- 1.3 mas/ySource: UCAC4
Galactic coord. 13.546 +3.758
Other names

(Internal only)
2MASS J18011664-1521371 ASAS 180117-1521.6 BD-15 4775
CCDM J18013-1522A GSC 06251-00319 HD 164356
IRAS 17583-1521 IRC -20414 PPM 233912
RAFGL 5173S SAO 160997 TYC 6251-319-1
UCAC4 374-108948 WDS J18013-1522A  
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Variability type
SRB
Spectral type M2-M4III
Mag. range
8.20 - 8.63 V
Discoverer ASAS
Epoch
--
Outburst --
Period --
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 Houk, N.; Smith-Moore, M., 1988, Michigan Catalogue of Two-dimensional
Spectral Types for the HD Stars. Volume 4, Declinations -26°.0 to -12°.0		 1988MSS...C04....0H
3 Catalogue of Stellar Spectral Classifications (Skiff, 2009-2016) 1958ApJ...128..510N
External Links
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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 = 3.39H = 2.35K = 2.06J - K = 1.33
AllWISE W3 = 1.65W4 = 1.44W3 - W4 = 0.21
APASS-DR9 B = 10.03V = 8.37g' = 9.13r' = 7.73i' = 6.00B - V = 1.66
Images
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Supporting Documents
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Revision History
Currently approved revision is checked. Click revision number to view details of that revision.
4 Otero, Sebastian Alberto 2024-02-15 19:32 UTC Type and range from ASAS-3 data. Spectral type from 1997ApJS..112..557K and 1988MSS...C04....0H.
3 Admin, VSX 2017-12-16 01:35 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.

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