David's Astronomy Pages (Deep Sky)
Type BL Transients

This page documents observations and images of Type BL Transients (BL Lac type), 2020-2021

Note : Supernovae and LRN Transients elsewhere (Supernovae 2021, LRN )
BL  Name, type, discovery date, host
Bullet AT 2021rl - BL Type Transient (2021-01-06) in QSO 0954+658
   

AT 2021rl - BL Type Transient (discovered 2021-01-06) in QSO 0954+658

AT 2021rl (Ursa Major)
BL Type Transient, QSO 0954+658, 6C 095456+654857
AT 2021rl (Type: BL) discovered 2021/01/06.449 UT by Gaia
Alias: Gaia21acz
 
Triggering Magnitude 14.21 (vs Historic Magnitude 15.57)
( Gaia21acz )  
  
AT 2021rl - 2021-01-24 (T+17.6d)
BL Type object shown by white cross hairs.
Image
Annotated CCD Image  (50% size, linear scale)
5 x 180s exposure (average combine), 3x3 binning, C Filter
2021-01-24 00:28 UT (#854245-49)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
 
AT 2021rl - 2021-01-24 (T+17.6d)
Image below (2021-01-24.013) was taken 17.6 days after discovery of 2021rl
BL Type object shown by white cross hairs. 
Measured magnitude +14.1
Image
Annotated CCD Image  (100% size, linear scale, cropped)
5 x 180s exposure (average combine), 3x3 binning, C Filter
2021-01-24 00:28 UT (#854245-49)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
 
Images of AT 2021rl  (QSO 0954+658) on Transients 2021 Page >>
 
 

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