AAVSO Home



Welcome, Guest. You are not logged in.
Log in
    Revise    New Search
Details for Revision 1
Log in to retrieve additional aliases from SIMBAD.
Name
  eps UMa  
AAVSO UID
000-BCX-437 (No observations)  
Constellation
Ursa Major Sequence
J2000.0
12 54 01.70 +55 57 35.0  (193.50708 +55.95972) Search nearby
B1950.0 12 51 50.73 +56 13 50.6
Galactic coord. 122.180 +61.165
Other names

(Internal only)
77 UMa AAVSO 1249+56 BD+56 1627
HD 112185 HIP 62956 HR 4905
IRC +60222 RAFGL 1584 SAO 28553
(Not logged in)  Add name
Variability type
ACV
Spectral type A0p(Cr-Eu)
Mag. range
1.76 (0.02) V
Discoverer --
Epoch
05 Apr 1931 (HJD 2426437.01) Ephemeris
Outburst --
Period 5.0887 d
Rise/eclipse dur. --
Remarks
Some references may be clicked to view in new window. Roll over index number to view submission details.
1 GCVS Team SB (P=4.15A). Interferometric binary? (0.053", 94.5deg, 1975.4). In 1976 - 1983 attempts to resolve the binary interferometrically were not successful. In the UMa moving cluster; mu alpha = +0.0131s, mu delta = -0.010".
(Not logged in)  Add remark
References
Click reference title/citation to view in new window. Roll over index number to view submission details.
1 Modelling the light variability of the Ap star epsilon Ursae Majoris 2010A&A...524A..66S
2 P.Guthnick, Sitzb Akad Berlin 30, 506-528, 1934. --
External Links
Links open in a new window. Not all links may be valid for this particular target.
Location    Go   
Select a Location for more details.
Supporting Documents
There are currently no supporting documents on file for this star. (Not logged in)  Add document
Revision History
Currently approved revision is checked. Click revision number to view details of that revision.
3 Otero, Sebastian Alberto 2010-11-30 10:12 UTC Revised period, Epoch and V-amplitude.
2 Admin, VSX 2010-01-05 04:43 UTC Position updated from the GCVS version of November 2009.
1 Admin, VSX 2005-12-18 01:33 UTC Initial upload.

Guidelines    FAQ    Manual    Forum    Variability Types    Passbands    Copyright    Acknowledgments    Privacy    Contact    Help us   
The International Variable Star Index
© 2005-2026 American Association of Variable Star Observers (AAVSO)
Version 1.1 [C]
172.30.5.43