AAVSO Home



Current Time: 01 Apr 2025 09:42:55 UTC
Welcome, Guest. You are not logged in.
Log in
    Revise    New Search
Latest Details
Log in to retrieve additional aliases from SIMBAD.
Name
  zet01 UMa  
AAVSO UID
000-BBT-591 (No observations)  
Constellation
Ursa Major Sequence
J2000.0
13 23 55.54 +54 55 31.3  (200.98143 +54.92536) Search nearby
B1950.0 13 21 54.98 +55 11 10.0
Proper motion
RA: 119.01 mas/yDec: -25.97 mas/ySource: F. Van Leeuwen, 2007
Galactic coord. 113.110 +61.579
Other names

(Internal only)
79 UMa A zet UMa A ADS 8891 A
BD+55 1598 A HD 116656 HIP 65378
HR 5054 IRC +60224 Mizar A
NSV 6224 RAFGL 1621S SAO 28737
TIC 159190000    
(Not logged in)  Add name
Variability type
HB
Spectral type A2V+A2V
Mag. range
2.24 V (0.001)TESS
Discoverer --
Epoch
--
Outburst --
Period 20.5351 d
Rise/eclipse dur. --
Remarks
Some references may be clicked to view in new window. Roll over index number to view submission details.
1 2021A&A...647A..12K Mizar B (sep. 14") is a 176 d. SB. Together with Alcor (80 UMa), which is also a binary, they form a hierarchical sextuple.
2 GCVS Team [zeta]1 UMa=ADS 8891A (B 3.95, 14".5, 150deg); SB, P=20d.536. Cl UMa member.
(Not logged in)  Add remark
References
Click reference title/citation to view in new window. Roll over index number to view submission details.
1 Kolaczek-Szymanski, P. A.; et al., 2021, Massive heartbeat stars from TESS.
I. TESS sectors 1-16
2021A&A...647A..12K
2 P.Guthnick, AN 204, 243, 1917. 1917AN....204..243G
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.
Images
Please review Digitized Sky Survey Acknowledgment and Copyright.
Image not downloaded. Click Retrieve Image to download and view. Retrieve image
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 2024-06-13 12:24 UTC Type, period and amplitude from 2021A&A...647A..12K.
2 Admin, VSX 2010-01-18 23:18 UTC Update from NSV version of July 2009.
1 Admin, VSX 2005-12-18 01:33 UTC Initial upload.