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Name
ASASSN-19lb
AAVSO UID
Constellation
J2000.0
B1950.0
11 37 33.23 -70 23 54.0
Galactic coord.
297.026 -8.629
Other names(Internal only)
2MASS J11394939-7040317
DENIS J113949.4-704032
GSC2.3 S40F052133
SMSS J113949.37-704031.9
UCAC2 01478947
UCAC4 097-033188
USNO-A2.0 0150-08819990
USNO-B1.0 0193-0266588
WISE J113949.41-704031.8
WISEA J113949.40-704031.8
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Variability type
UG
Spectral type
--
Mag. range
14.8 - 16.5 g
Discoverer
ASAS-SN
Epoch
Outburst
--
Period
--
Rise/eclipse dur.
--
Remarks
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1
Schmeer, Patrick
Dwarf nova with one of the lowest outburst amplitudes ever observed (E. Aydi, personal communication). Gaia DR2 parallax 0.5888 ± 0.0312 mas (distance 1.62 ± 0.09 kpc).
2
Otero, Sebastian Alberto
ASAS-SN magnitudes contaminated by 2MASS J11394812-7040252 (V= 17.7; sep. 9"). Range has been corrected.
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References
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Location
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Images
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Supporting Documents
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1
Outburst spectrum by E. Aydi et al. (SOAR)
Schmeer, Patrick
2019-07-18 23:39 UTC
The spectrum shows Balmer and He I lines in emission and a blue continuum. Hbeta and Hdelta show emission on top of a broader absorption feature, characteristic of dwarf novae in outburst. The FWHM of Halpha is ~ 400 km/s +- 50 km/s.
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Revision History
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