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Name
  V0340 Lac  
AAVSO UID
000-BDS-707 (100 observations)  
Constellation
Lacerta Sequence
J2000.0
22 12 44.47 +54 11 09.3  (333.18528 +54.18593) Search nearby
B1950.0 22 10 52.69 +53 56 16.9
Proper motion
RA: -5.406 +/- 1.684 mas/yDec: -4.476 +/- 0.541 mas/ySource: Gaia DR1
Galactic coord. 100.984 -1.781
Other names

(Internal only)
ASASSN-V J221244.34+541109.6 LF 4 +53 170 VV 452
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Variability type
EA/D
Spectral type B9
Mag. range
11.8 - 12.4 p
Discoverer --
Epoch
08 Sep 1948 (HJD 2432803.425) Ephemeris
Outburst --
Period 19.943265 d
Rise/eclipse dur. 2%:  (0.3989 d)
Remarks
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1 GCVS Team Min II 12.4; Min II - Min I = 0.762P; Min II = 2432858.521 + 19.943102d*E. Elements for Min I are given in the Table.
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References
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1 Gaia Collaboration; et al., 2018, Gaia Data Release 2. Summary of the
contents and survey properties
2018A&A...616A...1G
2 W.J.Miller, A.A.Wachmann, RIC Astr 8, N18, 1973. 1973RA......8..367M
3 Catalogue of Stellar Spectral Classifications (Skiff, 2005) 1955ApJS....2...75M
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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 = 11.16H = 11.11K = 11.06J - K = 0.11
AllWISE W1 = 10.99W2 = 11.04W3 = 11.04W1 - W2 = -0.04
APASS-DR9 B = 12.23V = 11.96g' = 12.03r' = 11.91i' = 11.93B - V = 0.27
Images
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Supporting Documents
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Revision History
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3 Otero, Sebastian Alberto 2020-05-15 00:52 UTC Gaia DR2 position.
2 Admin, VSX 2007-04-04 09:53 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.