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Name
  BZ UMa  
AAVSO UID
000-BBP-990 (74708 observations)  
Constellation
Ursa Major Sequence
J2000.0
08 53 44.17 +57 48 40.6  (133.43404 +57.81128) Search nearby
B1950.0 08 49 52.46 +58 00 03.5
Galactic coord. 159.003 +38.833
Other names

(Internal only)
Please note that aliases shown in grey link to obsolete records.
1RXP J085344.9+574842 1RXS J085343.5+574846 1SWXRT J085344.3+574842
1SXPS J085344.1+574839 1WGA J0853.7+5748 2MASS J08534416+5748406
2RXP J085344.0+574838 2RXS J085343.5+574846 AAVSO 0846+58
ASASSN-V J085344.29+574840.6 ATO J133.4342+57.8112 Downes BZ UMa
GALEX J085344.1+574840 GSC2.3 N7PP007282 Gaia DR3 1037411284055821568
LINEAR 5482517 PG 0849+580 RX J0853.7+5748
SDSS J085344.16+574840.5 SVS 1719 USNO-A2.0 1425-07238187
USNO-B1.0 1478-0239954 WD J085344.17+574840.60 XMMSL1 J085343.7+574845
ZTF22abufwmp    
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Variability type
UGSU
Spectral type DA+M5.5:Ve
Mag. range
10.8 - 17.2 V
Discoverer B. E. Markaryan
Epoch
--
Outburst --
Period 0.06799 d  (97.91 min)
Rise/eclipse dur. --
Remarks
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1 Wils, Patrick Superhump period 0.0713 days.
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References
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1 Masci, F. J.; et al., 2019, The Zwicky Transient Facility: Data Processing,
Products, and Archive
2019PASP..131a8003M
2 L. Palaversa, Z. Ivezic, L. Eyer et al., 2013, arXiv:1308.0357
[astro-ph.GA]
2013arXiv1308.0357P
3 B.T. Gaensicke et al., 2009, arXiv:0905.3476v1 [astro-ph.SR] 2009arXiv0905.3476G
4 T. Kato et al., 2009, arXiv:0905.1757v1 [astro-ph.SR] 2009arXiv0905.1757K
5 Light curve from CRTS/CSS (Drake et al. 2009, ApJ, 696, 870) 2009ApJ...696..870D
6 R.A. Downes et al., 2001, PASP 113, 764 (2006 archival version) 2005JAD....11....2D
7 R.A. Downes et al., 2001, PASP 113, 764 2001PASP..113..764D
8 Buscombe, W.; Foster, B. E., 1995, MK spectral classifications. Twelfth
general catalogue, Epoch 2000 including UBV photometry
1995msct.book.....B
9 B.E.Markaryan, Astrofizika 4, N1, 144, 1968. --
10 [Aavso-photometry] BZ UMa is an SU UMa-type dwarf nova! --
11 General Catalogue of Variable Stars, 4th Edition, Volumes I-III, P.N.
Kholopov et al.
--
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 = 14.82H = 14.44K = 14.01J - K = 0.82
AllWISE W1 = 13.88W2 = 13.55W1 - W2 = 0.32
APASS-DR9 B = 16.69V = 16.37g' = 16.48r' = 16.16B - V = 0.32
GALEX-DR5 FUV = 16.67NUV = 16.08FUV - NUV = 0.59
SDSS-DR12 u = 15.41g = 15.88r = 15.86i = 15.77z = 15.48u - g = -0.47r - i = 0.09
Images
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Supporting Documents
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Campaigns/Programs
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Revision History
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5 Otero, Sebastian Alberto 2024-01-17 15:04 UTC Maximum magnitude from AAVSO V data. Minimum magnitude derived from ZTF data. Spectral type from 1995msct.book.....B. Gaia DR3 position.
4 Admin, VSX 2010-01-05 04:43 UTC Position updated from the GCVS version of November 2009.
3 Admin, VSX 2009-05-14 00:47 UTC Update from [2009arXiv0905.1757K].
2 Wils, Patrick 2007-04-17 10:35 UTC SU UMa type, superhumps confirmed.
1 Admin, VSX 2005-12-18 01:33 UTC Initial database population.