[vsnet-alert 25919] Gaia21cpb: new transient (reddened nova?) in Aquila

Patrick Schmeer pasc1312-aavso@yahoo.de via vsnet-alert vsnet-alert at ooruri.kusastro.kyoto-u.ac.jp
Mon May 31 21:17:30 JST 2021


Gaia21cpb = AT 2021nwn  (N:)
(submitted to VSX)
 
Gaia Photometric Science Alerts ("bright red transient near Galactic plane"):
http://gsaweb.ast.cam.ac.uk/alerts/alert/Gaia21cpb/
Gaia21cpb 20210512.4040 15.69G Gaia
Gaia21cpb 20210528.4086 15,74G Gaia
Gaia21cpb 20210528.5848 15.81G Gaia
 
Transient Name Server:
https://www.wis-tns.org/object/2021nwn
 
First detected by ATLAS on 2021 May 9.5298 UT (clear magnitude 18.1)
and May 11.5562 UT (orange magnitude 15.6).
At mag. 16.28 (orange) on May 29.6138 UT.
 
Complete ASAS-SN Sky Patrol light curve and data:
https://asas-sn.osu.edu/sky-patrol/coordinate/57935692-34e9-4452-a420-870fe43ecd4d
 
Spectroscopy and multiband photometry are urgently required.
 
Clear skies,
Patrick
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References:
All-Sky Automated Survey for Supernovae (ASAS-SN) Sky Patrol:
- Shappee et al., 2014ApJ...788...48S
- Kochanek et al., 2017PASP..129j4502K
Asteroid Terrestrial-impact Last Alert System (ATLAS):
- Tonry et al., 2018PASP..130f4505T



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