AAVSO Home



Current Time: 01 Apr 2025 15:30:05 UTC
 Welcome, Guest. You are not logged in.
Log in
    Revise    New Search
Details for Revision 2
Log in to retrieve additional aliases from SIMBAD.
Name
  ASASSN-21ha  
AAVSO UID
000-BNY-865 (5180 observations)  
Constellation
Chamaeleon Sequence
J2000.0
09 47 38.91 -78 21 07.3  (146.91213 -78.35203) Search nearby
B1950.0 09 48 00.13 -78 07 07.1
Galactic coord. 294.117 -18.763
Other names

(Internal only)
CWISE J094738.74-782106.8 DENIS J094739.0-782107 GALEX J094738.8-782106
GSC2.3 S453010545 Gaia21crc SMSS J094738.85-782107.1
USNO-A2.0 0075-02095496 USNO-B1.0 0116-0039785 VHS J094738.84-782106.9
WD J094738.90-782107.32 WISEA J094738.53-782107.4  
(Not logged in)  Add name
Variability type
UG
Spectral type --
Mag. range
12.2 - 17.6 g
Discoverer ASAS-SN
Epoch
--
Outburst --
Period --
Rise/eclipse dur. --
Remarks
Some references may be clicked to view in new window. Roll over index number to view submission details.
1 Schmeer, Patrick Likely a double-superoutburst ("type-E") WZ Sge-type dwarf nova (vsnet-alert 25880), followed by at least six rebrightenings (vsnet-alert 26056). A previous outburst (Gmag. 16.50) was observed on 2018 September 22.395 UT by Gaia.
2 Schmeer, Patrick Prior to the outburst that was first detected on 2021 May 2, no brightenings had been recorded by the ASAS-SN Sky Patrol since 2014 April 29. Gaia EDR3 parallax 3.642 ± 0.063 mas (distance 272.6 ± 4.7 pc).
(Not logged in)  Add remark
References
Click reference title/citation to view in new window. Roll over index number to view submission details.
1 B. Monard; Y. Tampo, 2021, vsnet-alert #25880 --
2 P. Schmeer, 2021, vsnet-alert #26056 --
3 P. Schmeer, 2021, vsnet-alert #25930 --
4 Gaia Alerts, 2021 (online data) --
5 J. Hambsch; B. Monard; T. Kato, 2021, vsnet-alert #25878 --
6 Kochanek, C. S.; et al., 2017, The All-Sky Automated Survey for Supernovae
(ASAS-SN) Light Curve Server v1.0		 2017PASP..129j4502K
7 ASAS-SN Transients (Shappee et al., 2014) 2014ApJ...788...48S
External Links
Links open in a new window. Not all links may be valid for this particular target.
Location    Go   
Select a Location for more details.
Supporting Documents
There are currently no supporting documents on file for this star. (Not logged in)  Add document
Revision History
Currently approved revision is checked. Click revision number to view details of that revision.
3 Schmeer, Patrick 2021-05-17 11:55 UTC Gaia Alerts name and reference added.
2 Schmeer, Patrick 2021-05-04 19:57 UTC Remark and reference added.
1 Otero, Sebastian Alberto 2021-05-04 03:52 UTC Minimum magnitude from SMSS. Gaia EDR3 position.

Guidelines    FAQ    Manual    Forum    Variability Types    Passbands    Copyright    Acknowledgments    Privacy    Contact    Help us   
The International Variable Star Index
© 2005-2025 American Association of Variable Star Observers (AAVSO)
Version 1.1 [C]
3.21.41.164