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Latest Details
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Name
  V1808 Sgr  
AAVSO UID
000-BFG-224 (No observations)  
Constellation
Sagittarius Sequence
J2000.0
18 04 58.62 -24 24 36.4  (271.24425 -24.41012) Search nearby
B1950.0 18 01 54.58 -24 24 51.7
Proper motion
RA: -1.5 +/- 14.1 mas/yDec: 5.0 +/- 13.8 mas/ySource: UCAC4
Galactic coord. 6.089 -1.448
Other names

(Internal only)
Cl* NGC 6530 WFI 15993 LkHA 116 [DFM2004] 875
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Variability type
TTS/ROT
Spectral type ea
Mag. range
17.521 - 18.5 V
Discoverer --
Epoch
--
Outburst --
Period 19.03701 d
Rise/eclipse dur. --
Remarks
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1 GCVS Team In the nebula and the cluster NGC 6530 (M8). Var68.
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References
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1 C.B. Henderson, K.G. Stassun, 2011, arXiv:1112.2211v1 [astro-ph.SR] 2011arXiv1112.2211H
2 M.Petit, Asiago Contr N98, 1958. --
3 M.F.Walker, ApJ 125, 636, 1957. 1957ApJ...125..636W
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 = 12.82H = 11.46K = 10.52J - K = 2.30
AllWISE W1 = 9.32W2 = 8.59W3 = 6.87W1 - W2 = 0.73
Images
Please review Digitized Sky Survey Acknowledgment and Copyright.
Size 5' x 5' (297 x 298 pixels)
Center 18 04 58.62 -24 24 36.4 (J2000)
Source STScI
Survey

Red, all sky, 1.0 arcsec/pixel
  Negative
Supporting Documents
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Stellar Association Membership
 NGC 6530 Open Cluster 2012A&A...548A..97Z
Revision History
Currently approved revision is checked. Click revision number to view details of that revision.
3 Admin, VSX 2011-12-20 02:21 UTC Update from [2011arXiv1112.2211H].
2 Admin, VSX 2010-01-05 04:43 UTC Position updated from the GCVS version of November 2009.
1 Admin, VSX 2005-12-18 01:33 UTC Initial upload.

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