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Name
ASASSN-21cn
AAVSO UID
Constellation
J2000.0
B1950.0
17 15 59.75 -46 12 24.4
Galactic coord.
342.674 -5.143
Other names(Internal only)
1E 1715.9-4612
1RXS J171941.3-461530
1WGA J1719.7-4615
2E 1715.9-4612
2E 3874
2MASS J17194204-4615275
2RXP J171941.2-461534
2RXS J171941.0-461526
CWISE J171942.03-461528.7
GSC2.3 S8QF052178
UCAC2 12071550
UCAC4 219-136182
WISE J171942.04-461528.3
WISEA J171942.04-461528.3
Wack 3672
Wackerling 3672
Wray 15-1674
XMMSL2 J171942.2-461528
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Variability type
BY+Microlens:
Spectral type
M2e
Mag. range
12.7: - 13.8 g
Discoverer
ASAS-SN
Epoch
Outburst
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Period
--
Rise/eclipse dur.
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Remarks
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1
Schmeer, Patrick
This object was observed above its usual brightness only on 2021 February 26 and 27, and possibly March 2 (vsnet-alert 25544). Extremely long flare or fast microlensing event? BY variations (~0.2 mag.) at minimum. Gaia EDR3 parallax 18.686 ± 0.028 mas (distance 53.46 ± 0.08 pc). ASAS-SN magnitudes contaminated by nearby stars. Range has been corrected.
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References
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1
P. Schmeer, 2021, vsnet-alert #25544
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2
K. Stanek, 2021, ASAS-SN Transients
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3
Kochanek, C. S.; et al., 2017, The All-Sky Automated Survey for Supernovae
2017PASP..129j4502K
4
Galicher, R.; Marois, C.; Macintosh, B.; et al., 2016, The International
2016A&A...594A..63G
5
ASAS-SN Transients (Shappee et al., 2014)
2014ApJ...788...48S
6
Wray, J. D., 1966, A study of H-alpha emission objects in the Southern
1966PhDT.........3W
External Links
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Location
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Images
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Supporting Documents
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Revision History
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