AT 2021clq
RA/DEC (2000)
08:11:48.190 +44:23:28.55
122.950792 +44.391264
Type
---
Redshift
Related AstroNotes: 2021-80
Reporting Group
ATLAS
Discovering Data Source
ATLAS
Discovery Date
2021-02-05 09:33:07.200
TNS AT
Y
Public
Y
Discovery Mag
19.74
Filter
cyan-ATLAS
Reporter/s
J. Tonry, L. Denneau, A. Heinze, H. Weiland (IfA, University of Hawaii), B. Stalder (LSST), A. Rest (STScI), C. Stubbs (Harvard University), K. W. Smith, S. J. Smartt, D. R. Young, S. Srivastav, O. McBrien, M. Fulton, J. Gillanders, C. Webb (Queen's University Belfast), T.-W. Chen (MPE), D. E. Wright (University of Minnesota), J. Anderson (ESO)
Spectra
No Data
Light Curves
FilterTel / InstObs-date rangePhotometry
cyan-ATLASATLAS1_ACAM12021-02-05 09:33:07 - 2021-02-05 09:33:071
Photometry
IDObs-dateMag. / FluxErrLim. Mag./FluxUnitsFilterTel / InstExp-timeObserver/sRemarks
1915372021-02-05 09:33:0719.740.18319.81ABMagcyan-ATLASATLAS1_ACAM130Robot
orange-ATLASATLAS1_ACAM12021-02-01 11:28:19 - 2021-02-01 11:28:191
Photometry
IDObs-dateMag. / FluxErrLim. Mag./FluxUnitsFilterTel / InstExp-timeObserver/sRemarks
1915362021-02-01 11:28:1919.42ABMagorange-ATLASATLAS1_ACAM130Robot[Last non detection]
g-ZTFP48_ZTF-Cam2021-01-05 06:47:40 - 2021-01-07 08:28:452
Photometry
IDObs-dateMag. / FluxErrLim. Mag./FluxUnitsFilterTel / InstExp-timeObserver/sRemarks
1957482021-01-07 08:28:4521.170.29ABMagg-ZTFP48_ZTF-Cam
1957472021-01-05 06:47:4020.51ABMagg-ZTFP48_ZTF-Cam[Last non detection] This limit (and all recent preceding limits) is shallower than the magnitude at the time of detection, and it is probable the transient was still present in this and earlier observations.
AT Reports
IDTime received (UT)SenderReporter/sReportting groupDisc. Data SourceRADECDiscovery date (UT)Discovery Mag.FilterRelated filesAT TypeInternal nameAssoc. GroupsEnd prop. periodRemarks
1010702021-03-04 01:34:05Daniel PerleyDaniel Perley (LJMU) on behalf of the ZTF SLSN groupZTFZTF08:11:48.190+44:23:28.552021-01-07 08:28:45.12021.17g-ZTFPSNZTF21aagnkdpZTFFirst (marginally) detected on 2021 Jan 07, saved as a SLSN candiate 2021 Feb 08. Rose to a peak of approximately 19 mag over the 55 days following discovery. A nearby (2.1 arcsec) SDSS galaxy has a photo-z of 0.25 +/- 0.10.
989922021-02-10 14:43:00ATLAS_Bot1J. Tonry, L. Denneau, A. Heinze, H. Weiland (IfA, University of Hawaii), B. Stalder (LSST), A. Rest (STScI), C. Stubbs (Harvard University), K. W. Smith, S. J. Smartt, D. R. Young, S. Srivastav, O. McBrien, M. Fulton, J. Gillanders, C. Webb (Queen's University Belfast), T.-W. Chen (MPE), D. E. Wright (University of Minnesota), J. Anderson (ESO)ATLASATLAS08:11:48.184+44:23:28.542021-02-05 09:33:07.20019.74cyan-ATLASPSNATLAS21ehvATLAS
Classification Reports
No Data

Comments

Object coordinates updated according to AT-report 101070 of Group ZTF
Previous RA, DEC: 08:11:48.184, +44:23:28.54 (122.950767333, +44.39126)
Updated RA, DEC: 08:11:48.190, +44:23:28.55 (122.950792, 44.391264)