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Latest Details
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Name
  tet Aur  
AAVSO UID
000-BBK-502 (No observations)  
Constellation
Auriga Sequence
J2000.0
05 59 43.27 +37 12 45.3  (89.93029 +37.21258) Search nearby
B1950.0 05 56 18.63 +37 12 40.3
Proper motion
RA: 43.63 +/- 0.21 mas/yDec: -73.79 +/- 0.08 mas/ySource: F. Van Leeuwen, 2007
Galactic coord. 174.338 +6.729
Other names

(Internal only)
37 Aur A tet Aur A ADS 4566 A
BD+37 1380 A HD 40312 A HIP 28380
HR 2095 A IRC +40150 SAO 58636
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Variability type
ACV
Spectral type B9.5p(Si)
Mag. range
2.63 - 2.66 V
Discoverer --
Epoch
11 Oct 1995 (HJD 2450001.881) Ephemeris
Outburst --
Period 3.618664 d
Rise/eclipse dur. --
Remarks
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1 Otero, Sebastian Alberto HIPPARCOS magnitudes contaminated by the B component 3" away with V= 7.2. Range has been corrected.
2 GCVS Team VB A (B 7.5m, 2", 8, 331deg, 1924). According to [E.F.Borra, J.D.Landstreet, ApJ Suppl 42, 421, 1980.] the period of magnetic field variation is 3.618d.
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References
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1 Krticka, J.; Mikulásek, Z.; Lüftinger, T.; Jagelka, M., 2015, Visual and
ultraviolet flux variability of the bright CP star theta Aurigae
2015A&A...576A..82K
2 Perryman, M. A. C., et al., 1997, The HIPPARCOS and TYCHO catalogues 1997HIP...C......0E
3 C.Jamar, AsAp 70, 379, 1978. 1978A&A....70..379J
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 = 2.38H = 2.39K = 2.40J - K = -0.01
AllWISE W3 = 2.77W4 = 2.79W3 - W4 = -0.03
Images
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Supporting Documents
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1 Phase plot of Theta Aur based on Hipparcos data. Hümmerich, Stefan 2015-05-31 21:33 UTC Phase plot of Theta Aur based on Hipparcos data. Period value was taken from Krticka et al. (2015).
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Revision History
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4 Otero, Sebastian Alberto 2015-06-01 14:40 UTC Range from HIPPARCOS data.
3 Hümmerich, Stefan 2015-05-31 21:33 UTC Period and epoch from Krticka et al. (2015; 2015A&A...576A..82K).
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.