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Name
  KT Per  
AAVSO UID
000-BBD-135 (34604 observations)  
Constellation
Perseus Sequence
J2000.0
01 37 08.79 +50 57 20.4  (24.28663 +50.95567) Search nearby
B1950.0 01 34 01.51 +50 42 04.3
Proper motion
RA: 63.0 +/- 1.4 mas/yDec: -4.0 +/- 2.0 mas/ySource: UCAC4
Galactic coord. 130.243 -11.266
Other names

(Internal only)
Please note that aliases shown in grey link to obsolete records.
1RXS J013709.4+505715 AAVSO 0130+50 Downes KT Per
X 01340+507    
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Variability type
UGSS+ZZ
Spectral type WD+M3V
Mag. range
11.5 - 15.9 V
Discoverer --
Epoch
--
Outburst --
Period 0.162658 d  (3.9038 h)
Rise/eclipse dur. --
Remarks
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1 Otero, Sebastian Alberto No standstills in AAVSO data, 26219 points in 42 years.
2 Otero, Sebastian Alberto GCVS outburst cycle 26 d.
3 GCVS Team Quasi-periodic oscillations during outbursts: P = 22.9s - 29.5s [I.Nevo, D.Sadeh, MN 182, 595, 1978.], 82s, 90s, 147s [E.L.Robinson, R.E.Nather, ApJ Suppl 39, 461, 1979.], Delta(m) up to ~0.01m.
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References
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1 R.A. Downes et al., 2001, PASP 113, 764 (2006 archival version) 2005JAD....11....2D
2 R.A. Downes et al., 2001, PASP 113, 764 2001PASP..113..764D
3 P.Szkody, J.A.Mattei, PASP 96, 988, 1984. 1984PASP...96..988S
4 G.Williams, ApJ Suppl 53, N3, 523, 1983. 1983ApJS...53..523W
5 Löchel K., 1965, MVS 3, 107 --
6 Simonsen, M. et al., The Z Cam List --
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 = 13.31H = 12.82K = 12.62J - K = 0.69
AllWISE W1 = 11.76W2 = 11.60W3 = 12.02W1 - W2 = 0.16
APASS-DR9 B = 14.00V = 13.82g' = 13.87r' = 13.79i' = 13.42B - V = 0.18
SDSS-DR12 u = 15.29g = 15.31r = 14.68i = 14.38z = 14.18u - g = -0.02r - i = 0.30
Images
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Supporting Documents
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Campaigns/Programs
 Z CamPaign
 Legacy CVs
Revision History
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4 Otero, Sebastian Alberto 2012-04-07 19:25 UTC Type and range from AAVSO data.
3 Otero, Sebastian Alberto 2011-02-14 14:58 UTC Primary record creation. Range and orbital period from Downes (2001). Spectral type from Ritter and Kolb (2003A&A...404..301R)
UCAC3 position.
2 Admin, VSX 2010-01-04 23:43 UTC Position updated from the GCVS version of November 2009.
1 Admin, VSX 2005-12-17 20:33 UTC Initial upload.