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Name
  ASAS J181847-1817.5  
AAVSO UID
000-BHQ-909 (4 observations)  
Constellation
Sagittarius Sequence
J2000.0
18 18 46.99 -18 17 31.2  (274.69579 -18.29200) Search nearby
B1950.0 18 15 51.23 -18 18 46.9
Proper motion
RA: -0.6 +/- 1.4 mas/yDec: 1.2 +/- 1.6 mas/ySource: UCAC4
Galactic coord. 13.000 -1.325
Other names

(Internal only)
2MASS J18184705-1817312 AAVSO 1812-18 B ASAS 181847-1817.5
ASASSN-V J181847.12-181731.6 BD-18 4899 EPIC 227381712
GSC 06269-02111 HD 313023 PPM 234341
SAO 161308 TYC 6269-2111-1 UCAC4 359-136029
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Variability type
EA
Spectral type A0
Mag. range
9.02 - 9.28 V
Discoverer --
Epoch
08 Feb 2001 (HJD 2451949.29) Ephemeris
Outburst --
Period 3.33876 d
Rise/eclipse dur. --
Remarks
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References
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1 Richards, J. W.; et al., 2012, Construction of a Calibrated Probabilistic
Classification Catalog: Application to 50k Variable Sources in the All-Sky
Automated Survey		 2012ApJS..203...32R
2 G.Pojmanski, Acta Astronomica 52, 397, 2002. 2002AcA....52..397P
3 Catalogue of Stellar Spectral Classifications (Skiff, 2009-2016) 1949AnHar.112....1C
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 = 8.38H = 7.65K = 7.06J - K = 1.31
AllWISE W1 = 6.46W2 = 6.65W3 = 5.94W4 = 5.06W1 - W2 = -0.20W3 - W4 = 0.88
APASS-DR9 B = 9.14V = 9.02g' = 9.04r' = 9.10i' = 9.27B - V = 0.12
Images
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Supporting Documents
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Revision History
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4 Otero, Sebastian Alberto 2018-12-20 05:43 UTC Period from 2012ApJS..203...32R. Range from ASAS-3 data.
3 Admin, VSX 2017-12-16 02:01 UTC Spectral type from Skiff (VizieR on-line data: B/mk)
2 Zalezsak, Tamas 2016-03-24 01:10 UTC UCAC4 position.
1 Admin, VSX 2005-12-18 01:33 UTC Initial upload.

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