AT 2020bmf
RA/DEC (2000)
09:55:48.420 +69:07:32.50
148.95175 +69.125694
Type
---
Redshift
Reporting Group
XOSS
Discovering Data Source
XOSS
Discovery Date
2020-01-31 01:11:42
TNS AT
Y
Public
Y
Host Name
M81
Discovery Mag
19.8
Filter
Clear-
Reporter/s
Mi Zhang and Xing Gao
Separated 30,549.900 arcsec from TESS-active sector/s (20,21) source : RA=08:37:32.825, DEC=+75:15:07.31
Separated 34,654.900 arcsec from TESS-active sector/s (20,21) source : RA=11:27:10.805, DEC=+65:11:32.60
Separated 30,549.900 arcsec from TESS-Sector20 source : RA=08:37:32.825, DEC=+75:15:07.31
Separated 34,654.900 arcsec from TESS-Sector21 source : RA=11:27:10.805, DEC=+65:11:32.60
Spectra
No Data
Light Curves
FilterTel / InstObs-date rangePhotometry
Clear-Other_Other2020-01-28 14:01:45 - 2020-01-31 01:11:422
Photometry
IDObs-dateMag. / FluxErrLim. Mag./FluxUnitsFilterTel / InstExp-timeObserver/sRemarks
1179252020-01-31 01:11:4219.821VegaMagClear-Other_Other300Mi Zhang and Xing GaoMi Zhang and Xing Gao, report the discovery of a possible nova (mag approximately 19.8) on several 300-s survey images (limiting mag about 21.0) taken by Xing Gao in Xingming Observatory Sky Survey(C42) around Jan. 31.00812 UT using a unfiltered CCD ( + 0.6-m f/8 Ritchey-Chretien telescope ). The transient approximately located at R.A.=09h55m48.42s +69d07'32".5 (equinox 2000.0). Which is about 81.8" east and 217.4" north of the center of the M81. Nothing is visible at this position on archival images taken on Jan. 28.58455 UT(limiting mag 20.0). NET UCAC-4 XM25MZ C2020 01 31.00812 09 55 48.42 +69 07 32.5 19.8R C42 All images can be seen from: http://xjltp.china-vo.org/XM25MZ.html C42,Xingming Observatory - NEXT, Mt. Nanshan. Observers M.Zhang,X.Gao,Measurers M.Zhang, 0.6-m f/8 Ritchey-Chretien telescope and CCD.
1179242020-01-28 14:01:4520VegaMagClear-Other_Other300Mi Zhang and Xing Gao[Last non detection] using a unfiltered CCD ( + 0.6-m f/8 Ritchey-Chretien telescope ).
AT Reports
IDTime received (UT)SenderReporter/sReportting groupDisc. Data SourceRADECDiscovery date (UT)Discovery Mag.FilterRelated filesAT TypeInternal nameAssoc. GroupsEnd prop. periodRemarks
606902020-01-31 02:25:18sammimasMi Zhang and Xing GaoXOSSXOSS09:55:48.420+69:07:32.502020-01-31 01:11:4219.8Clear-PSNXM25MZXOSSMi Zhang and Xing Gao, report the discovery of a possible nova (mag approximately 19.8) on several 300-s survey images (limiting mag about 21.0) taken by Xing Gao in Xingming Observatory Sky Survey(C42) around Jan. 31.00812 UT using a unfiltered CCD ( + 0.6-m f/8 Ritchey-Chretien telescope ). The transient approximately located at R.A.=09h55m48.42s +69d07'32".5 (equinox 2000.0). Which is about 81.8" east and 217.4" north of the center of the M81. Nothing is visible at this position on archival images taken on Jan. 28.58455 UT(limiting mag 20.0). NET UCAC-4 XM25MZ C2020 01 31.00812 09 55 48.42 +69 07 32.5 19.8R C42 All images can be seen from: http://xjltp.china-vo.org/XM25MZ.html C42,Xingming Observatory - NEXT, Mt. Nanshan. Observers M.Zhang,X.Gao,Measurers M.Zhang, 0.6-m f/8 Ritchey-Chretien telescope and CCD.
Related files
FileFile TypeCommentsLast Modified (UT)Modified By
tns_2020bmf_atrep_60690.pngGraphicsDiscovery Image2020-01-31 02:50:06sammimas
Classification Reports
No Data