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
  RZ UMi  
AAVSO UID
000-BFP-147 (3139 observations)  
Constellation
Ursa Minor Sequence
J2000.0
14 54 26.10 +86 43 37.0  (223.60875 +86.72694) Search nearby
B1950.0 15 06 05.31 +86 55 25.2
Galactic coord. 121.002 +29.928
Other names

(Internal only)
1RXS J145418.3+864338 2MASS J14542607+8643373 AP J14542607+8643373
GSC 04642-00832 Gaia DR3 1727679731874374272 SVS 2310
TIC 160082094    
(Not logged in)  Add name
Variability type
EW/KW
Spectral type --
Mag. range
12.8 - 13.5 B
Discoverer --
Epoch
16 Feb 1977 (HJD 2443191.2687) Ephemeris
Outburst --
Period 0.33735283 d  (8.096468 h)
Rise/eclipse dur. --
Remarks
Some references may be clicked to view in new window. Roll over index number to view submission details.
1 Ashchepkau, Mikhail Subtype A, varying amplitudes of maxima and width of the primary and secondary minima (2025SerAJ.210...33G).
(Not logged in)  Add remark
References
Click reference title/citation to view in new window. Roll over index number to view submission details.
1 Grozdanovic, M.; et al., 2025, Light Curve Analysis of W-UMa Type Binary
Systems RZ UMi, OQ UMa, LP UMa
2025SerAJ.210...33G
2 Gaia collaboration; et al., 2022, Gaia Data Release 3 (Gaia DR3) Part 1
Main source
2022yCat.1355....0G
3 Kochanek, C. S.; et al., 2017, The All-Sky Automated Survey for Supernovae
(ASAS-SN) Light Curve Server v1.0
2017PASP..129j4502K
4 Ricker, G. R.; et al., 2014, Transiting Exoplanet Survey Satellite (TESS) 2014SPIE.9143E..20R
5 van Cauteren, P.; et al., 2006, Photometric elements and stellar parameters
for the contact binary RZ UMi
2006PZ.....26....2V
6 V.P.Goranskij, Perem. Zvezdy Supplement 4, N20, 169, 1982. 1982PZP.....4..169G
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
Click document name to open or save. Browser plug-in or other software may be required for viewing.
2 Phase plot Ashchepkau, Mikhail 2026-04-08 03:43 UTC Phase plot from Gaia DR3, ASAS-SN, AAVSO and TESS data.
1 Phase plot zoomed Ashchepkau, Mikhail 2026-04-08 03:37 UTC Phase plot from Gaia DR3, ASAS-SN, AAVSO and TESS data, zoomed to primary eclipse.
(Not logged in)  Add document
Revision History
Currently approved revision is checked. Click revision number to view details of that revision.
3 Ashchepkau, Mikhail 2026-04-08 03:35 UTC Range derived from Gaia DR3, ASAS-SN and AAVSO data, period from Gaia DR3, ASAS-SN, AAVSO and TESS data. Epoch from 2006PZ.....26....2V.
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.