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Name
  LY Aur  
AAVSO UID
000-BBJ-442 (5221 observations)  
Constellation
Auriga Sequence
J2000.0
05 29 42.65 +35 22 30.1  (82.42771 +35.37503) Search nearby
B1950.0 05 26 21.98 +35 20 10.8
Proper motion
RA: -0.20 +/- 3.19 mas/yDec: -1.17 +/- 2.07 mas/ySource: F. Van Leeuwen, 2007
Galactic coord. 172.761 +0.610
Other names

(Internal only)
AAVSO 0523+35 ADS 4072 A BD+35 1137
HD 35921 HIP 25733 SAO 58105
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Variability type
EB/SD
Spectral type O9II+O9III
Mag. range
6.66 - 7.35 V
Discoverer --
Epoch
27 Oct 1965 (HJD 2439061.4646) Ephemeris
Outburst --
Period 4.0024932 d
Rise/eclipse dur. --
Remarks
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1 Otero, Sebastian Alberto Decreasing period. Quadruple system. B0.5 companion pair 0.6" away with P= 20.4642 d. in an eccentric orbit (2013A&A...559A..22M).
2 GCVS Team VB A (B 9.1m, 0.6", 249deg, 1958). Min II 7.26; d = 0.017P.
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References
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1 Bob Nelson's O-C files, 2016 --
2 Mayer, P.; Drechsel, H.; Harmanec, P.; et al., 2013, The O-type eclipsing
contact binary LY Aurigae - member of a quadruple system
2013A&A...559A..22M
3 P.Mayer, IBVS N1724, 1980. 1980IBVS.1724....1M
4 P.Mayer, Rise Hvezd 46, 167, 1965. --
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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 = 6.70H = 6.67K = 6.65J - K = 0.04
AllWISE W1 = 6.24W2 = 6.16W3 = 6.18W4 = 6.00W1 - W2 = 0.07W3 - W4 = 0.17
APASS-DR9
Images
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Supporting Documents
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Revision History
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3 Otero, Sebastian Alberto 2018-03-01 21:19 UTC Type, period and spectral type from 2013A&A...559A..22M.
2 Admin, VSX 2010-01-04 23:43 UTC Position updated from the GCVS version of November 2009.
1 Admin, VSX 2005-12-17 20:33 UTC Initial upload.