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Name
  RT Aur  
AAVSO UID
000-BBL-373 (12347 observations)  
Constellation
Auriga Sequence
J2000.0
06 28 34.09 +30 29 34.9  (97.14204 +30.49303) Search nearby
B1950.0 06 25 21.27 +30 31 33.3
Proper motion
RA: -1.71 +/- 1.38 mas/yDec: -15.73 +/- 0.85 mas/ySource: F. Van Leeuwen, 2007
Galactic coord. 183.146 +8.916
Other names

(Internal only)
48 Aur AAVSO 0622+30 AN 47.1905
BD+30 1238 HD 45412 HIP 30827
HR 2332 SAO 59128  
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Variability type
DCEP
Spectral type F4Ib-G1Ib
Mag. range
5.00 - 5.82 V
Discoverer T.H. Astbury
Epoch
16 May 1990 (HJD 2448027.678) Ephemeris
Outburst --
Period 3.728305 d
Rise/eclipse dur. 25%
Remarks
Some references may be clicked to view in new window. Roll over index number to view submission details.
1 Billiaert, Bruno Period drift (0.12 s/yr) probably caused by a companion.
2 GCVS Team B - V: +0.39, +0.80. [A/H] = 0.1. P var. Max = 2433040.867 + 3.728365d*E (JD2417970 - 33100). Since JD2433100 - see Table. Delta(V) var?
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References
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1 Breitfelder, J.; et al., 2016, Observational calibration of the projection
factor of Cepheids. II. Application to nine Cepheids with HST/FGS parallax
measurements
2016arXiv160104727B
2 P. Pietrukowicz, W.A. Dziembowski, P. Mroz et al., 2013, arXiv:1311.5894
[astro-ph.GA]
2013arXiv1311.5894P
3 T.H. Astbury, 1905, JBAA 15, 270 1905JBAA...15..270A
4 Bob Nelson's O-C files, 2016 --
5 General Catalogue of Variable Stars, 4th Edition, Volumes I-III, P.N.
Kholopov et al.
--
6 A.Wroblewski, Urania 26, 339, 1955. --
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 = 4.23H = 4.03K = 3.92J - K = 0.31
AllWISE W1 = 3.89W2 = 3.55W3 = 3.83W4 = 3.77W1 - W2 = 0.34W3 - W4 = 0.06
GALEX-DR5 FUV = 16.36NUV = 13.42FUV - NUV = 2.93
Images
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Supporting Documents
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Revision History
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4 Billiaert, Bruno 2016-02-03 08:03 UTC Period and epoch from 2016arXiv160104727B.
3 Admin, VSX 2011-12-19 21:22 UTC Update from [1905JBAA...15..270A].
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.