AT 2023dex
RA/DEC (2000)
14:53:57.920 -58:30:59.98
223.491333 -58.516661
Type
---
Redshift
0
Reporting Group
GaiaAlerts
Discovering Data Source
GaiaAlerts
Discovery Date
2023-03-11 08:28:19.200
TNS AT
Y
Public
Y
Discovery Mag
10.6
Filter
G-Gaia
Reporter/s
S.T. Hodgkin, E. Breedt, A. Delgado, D.L. Harrison, M. van Leeuwen, G. Rixon, T. Wevers, A. Yoldas (IoA Cambridge), N. Ihanec, K. Kruszyńska, K.A. Rybicki, Ł. Wyrzykowski (Warsaw University Astronomical Observatory), Z. Kostrzewa-Rutkowska (Leiden Observatory), D. Eappachen (SRON/RU), G. Marton (Konkoly Observatory), on behalf of the Gaia Alerts team

Spectra

 AT_2023dex - 2023-03-22 10:23:31 Other / Other (None)z=
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   Binning factor: (rounded to nearest integer >1)
Mouse hovers at WL: 0 (rest),
Spectra
SelectIDObs-date (UT)Tel / InstExp-TimeObserver/sReducer/sGroupSpectrum ascii fileSpectrum fits fileSpec. TypeAssoc. GroupsEnd prop. periodRemarks
146292023-03-22 10:23:31Other / Other3600Hamish BarkerHamish BarkerNone tns_2023dex_2023-03-22.433_Other_Other.dat tns_2023dex_2023-03-22.433_Other_Other.fitObjectSpectrum taken with 250mm Newtonian, Harrison L200 Littrow spectrograph with 180lpmm grating, Atik 383L+ camera. R= 500 (approx).
Light Curves
FilterTel / InstObs-date rangePhotometry
G-GaiaGaia_Gaia-photometric2023-01-17 20:52:48 - 2023-03-11 08:28:192
Photometry
IDObs-dateMag. / FluxErrLim. Mag./FluxUnitsFilterTel / InstExp-timeObserver/sRemarks
3319592023-03-11 08:28:1910.60.2ABMagG-GaiaGaia_Gaia-photometric60Robot
3319582023-01-17 20:52:4821.5ABMagG-GaiaGaia_Gaia-photometricRobot[Last non detection]
AT Reports
IDTime received (UT)SenderReporter/sReportting groupDisc. Data SourceRADECDiscovery date (UT)Discovery Mag.FilterRelated filesAT TypeInternal nameAssoc. GroupsEnd prop. periodRemarks
1722762023-03-16 23:59:51Gaia_Bot1S.T. Hodgkin, E. Breedt, A. Delgado, D.L. Harrison, M. van Leeuwen, G. Rixon, T. Wevers, A. Yoldas (IoA Cambridge), N. Ihanec, K. Kruszyńska, K.A. Rybicki, Ł. Wyrzykowski (Warsaw University Astronomical Observatory), Z. Kostrzewa-Rutkowska (Leiden Observatory), D. Eappachen (SRON/RU), G. Marton (Konkoly Observatory), on behalf of the Gaia Alerts teamGaiaAlertsGaiaAlerts14:53:57.920-58:30:59.982023-03-11 08:28:19.20010.6G-GaiaOtherGaia23bcfGaiaAlertsbright blue gal.plane source candidate microlensing event or Be-type outburst rises by 0.3 mag
Classification Reports
IDTime received (UT)SenderClassifier/sGroupClassificationRedshiftRelated filesAssoc. GroupsEnd prop. periodRemarksADS Bibcode
145552023-03-22 23:23:18HamishBarkerHamish BarkerNoneOther0Halpha emission (FWHM 12.4Angstrom, peak 2x of continuum). Other than Halpha emission, after dereddening for E(BP-RP) mag)= 0.8740 ( as listed under GAIA DR2 for target coordinates ) spectrum appears otherwise consistent with Spectral type OB- as listed for object SIMBAD CD-58 5823, 0.17 arcsec from target coordinates.2023TNSCR.605....1B

Comments

Apparent emission at 5666A is cosmic ray hit, present on only one of 3x1200s subexposures.