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Name
TCP J09370380+1657350
AAVSO UID
Constellation
J2000.0
B1950.0
09 34 17.90 +17 11 05.5
Galactic coord.
215.235 +44.110
Other names(Internal only)
ASAS J093704+1657.6
ASASSN-21ad
CSS_J093703.7+165735
GALEX J093703.7+165735
GALEX J093703.8+165735
GSC2.3 N8Z0011656
MLS_J093703.7+165735
PSO J093703.717+165735.563
SDSS J093703.70+165735.6
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Variability type
UGWZ
Spectral type
--
Mag. range
13.5 - 21.7 CV
Discoverer
Yuji Nakamura
Epoch
Outburst
--
Period
0.061894 d (89.127 min)
Rise/eclipse dur.
--
Remarks
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1
Schmeer, Patrick
An optical spectrum obtained on 2021 January 8.878 UT shows a blue continuum with H-alpha emission and possible H-beta absorption lines, suggesting that this object is a dwarf nova in outburst (2021ATel14309....1I ).
2
Schmeer, Patrick
A previous (long) outburst started on 2006 March 25 and was recorded by CRTS and ASAS-3 (vsnet-alert 25211 and 25212). Prior to the outburst that started on 2021 January 6, no brightenings had been recorded by the ASAS-SN Sky Patrol since 2012 January 29.
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References
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1
K. Isogai; H. Maehara; N. Kojiguchi; et al., 2021, ATel #14309
2021ATel14309....1I
2
H. Itoh; T. Tordai; T. Kato, 2021, vsnet-alert #25217
--
3
S. Kiyota; T. Kato, 2021, vsnet-alert #25216
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4
CBAT "Transient Object Followup Reports", 2021 (online data)
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5
H. Itoh; S.Kiyota; T. Kato, 2021, vsnet-alert #25231
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6
P. Schmeer, 2021, vsnet-alert #25212
--
7
N. Kojiguchi, 2021, vsnet-alert #25211
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8
Kochanek, C. S.; et al., 2017, The All-Sky Automated Survey for Supernovae
2017PASP..129j4502K
9
ASAS-SN Transients (Shappee et al., 2014)
2014ApJ...788...48S
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NSVS
CRTS
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Images
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Supporting Documents
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Revision History
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