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Latest Details
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Name
  ZZ Boo  
AAVSO UID
000-BBV-073 (4606 observations)  
Constellation
Boötes Sequence
J2000.0
13 56 09.52 +25 55 07.4  (209.03967 +25.91872) Search nearby
B1950.0 13 53 51.86 +26 09 46.4
Proper motion
RA: -96.742 +/- 0.029 mas/yDec: -6.105 +/- 0.023 mas/ySource: Gaia DR1
Galactic coord. 31.820 +75.482
Other names

(Internal only)
AAVSO 1351+26 ASASSN-V J135609.50+255507.6 BD+26 2508
HD 121648 HIP 68064 SAO 83080
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Variability type
EA/DM
Spectral type F2+F2V
Mag. range
6.79 - 7.44 V
Discoverer --
Epoch
19 Jun 1964 (HJD 2438565.9192) Ephemeris
Outburst --
Period 4.991764 d
Rise/eclipse dur. 6%  (7.19 h)
Remarks
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1 GCVS Team Min II 7.44. Possible radio source.
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References
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1 Bob Nelson's O-C files, 2016 --
2 D.H.McNamara, H.K.Hansen, S.K. S.K.Wilcken, PASP 83, 192, 1971. 1971PASP...83..192M
3 Sky and Tel 33, 330, 1967. --
4 CALEB - Catalog and AtLas of Eclipsing Binaries --
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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 = 5.98H = 5.87K = 5.83J - K = 0.15
AllWISE W1 = 5.97W2 = 5.80W3 = 5.90W4 = 5.76W1 - W2 = 0.17W3 - W4 = 0.14
SDSS-DR12 u = 8.16g = 12.97r = 10.94i = 10.32z = 31.89u - g = -4.80r - i = 0.62
Images
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Supporting Documents
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Revision History
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3 Otero, Sebastian Alberto 2024-09-05 23:15 UTC Period from AAVSO data.
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.