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Name
KT Per
AAVSO UID
Constellation
J2000.0
B1950.0
01 34 01.51 +50 42 04.3
Proper motion
RA: 63.0 +/- 1.4 mas/y Dec: -4.0 +/- 2.0 mas/y Source: 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
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Period
0.162658 d (3.9038 h)
Rise/eclipse dur.
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Remarks
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1
Schmeer, Patrick
Gaia DR2 parallax 4.1283 ± 0.0535 mas (distance 240.6 ± 3.1 pc). Common proper motion pair with UCAC4 705-011572 (Vmag. 15.1, 4.0994 ± 0.0418 mas, 242.3 ± 2.5 pc), which is 16" to the W (2008AJ....136.2107T and Gaia DR2).
2
Otero, Sebastian Alberto
No standstills in AAVSO data, 26219 points in 42 years.
3
Otero, Sebastian Alberto
GCVS outburst cycle 26 d.
4
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
Gaia Collaboration; et al., 2018, Gaia Data Release 2. Summary of the
2018A&A...616A...1G
2
Thorstensen, J. R.; Lépine, S.; Shara, M., 2008, Parallax and Distance
2008AJ....136.2107T
3
R.A. Downes et al., 2001, PASP 113, 764 (2006 archival version)
2005JAD....11....2D
4
R.A. Downes et al., 2001, PASP 113, 764
2001PASP..113..764D
5
P.Szkody, J.A.Mattei, PASP 96, 988, 1984.
1984PASP...96..988S
6
G.Williams, ApJ Suppl 53, N3, 523, 1983.
1983ApJS...53..523W
7
Löchel K., 1965, MVS 3, 107
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8
Simonsen, M. et al., The Z Cam List
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External Links
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Location
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AAVSO Variable Star Plotter
AAVSO Light Curve
AAVSO WebObs
APASS
AAVSOnet EPD
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Downes
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NSVS
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SuperWASP
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Pan-STARRS1 Images
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Kamogata Wide-field Survey (KWS)
Go
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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 = 13.31 H = 12.82 K = 12.62 J - K = 0.69
AllWISE
W1 = 11.76 W2 = 11.60 W3 = 12.02 W1 - W2 = 0.16
APASS-DR9
B = 14.00 V = 13.82 g' = 13.87 r' = 13.79 i' = 13.42 B - V = 0.18
SDSS-DR12
u = 15.29 g = 15.31 r = 14.68 i = 14.38 z = 14.18 u - g = -0.02 r - 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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