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Latest Details
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Name
  V0540 Lac  
AAVSO UID
--  
Constellation
Lacerta Sequence
J2000.0
22 46 18.38 +43 52 07.9  (341.57658 +43.86886) Search nearby
B1950.0 22 44 05.17 +43 36 21.2
Proper motion
RA: -3.101 +/- 0.531 mas/yDec: -53.473 +/- 0.399 mas/ySource: Gaia DR1
Galactic coord. 100.295 -13.434
Other names

(Internal only)
2MASS J22461837+4352078 AGASC 422854080 ASASSN-V J224618.30+435207.5
BD+43 4302 GSC 03226-01976 HD 215686
NSVS 6123575 PPM 63388 SAO 52350
SAVS 224618+435209 TYC 3226-1976-1  
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Variability type
EB
Spectral type F2
Mag. range
8.42 - 8.62 V
Discoverer --
Epoch
01 Jan 1998 (HJD 2450815.0062) Ephemeris
Outburst --
Period 0.49067 d  (11.776 h)
Rise/eclipse dur. --
Remarks
Some references may be clicked to view in new window. Roll over index number to view submission details.
1 Otero, Sebastian Alberto Min II= 8.52 V. CHANDRA observations transformed to V according to the formula in 2010ApJS..188..473N.
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References
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1 E.V. Kazarovets, N.N. Samus, O.V. Durlevich, N.N. Kireeva, E.N. Pastukhova,
2015, IBVS 6155
2015IBVS.6155....1K
2 J.S. Nichols et al., 2010, ApJS 188, 473 (online data) 2010ApJS..188..473N
3 J.S. Nichols et al., 2010, ApJS 188, 473 2010ApJS..188..473N
4 M. Lewandowski et al., 2009, OEJV 104 2009OEJV..104....1L
5 Northern Sky Variability Survey, Wozniak, P.R., et al., 2004 2004AJ....127.2436W
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 = 7.50H = 7.30K = 7.21J - K = 0.29
AllWISE W1 = 7.15W2 = 7.22W3 = 7.21W4 = 7.14W1 - W2 = -0.07W3 - W4 = 0.07
APASS-DR9
Images
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Supporting Documents
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1 Phase plot Otero, Sebastian Alberto 2012-08-31 05:42 UTC Phase plot with CHANDRA and NSVS data.
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Revision History
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4 Admin, VSX 2016-01-07 04:26 UTC Update from [2015IBVS.6155....1K].
3 Otero, Sebastian Alberto 2012-08-31 05:42 UTC Type, period, epoch and range from CHANDRA and NSVS data. Tycho-2 position.
2 Admin, VSX 2010-10-26 00:15 UTC Update from [2010ApJS..188..473N].
1 Admin, VSX 2009-04-09 01:02 UTC Initial upload.