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),

Light curves

 Gaia_Gaia-photometric_G
   
Pointer position (MJD, Mag, Abs.Mag): (0.00, 0.00, 0.00)
Spectra
ID Obs-date (UT) Tel / Inst Exp-Time Observer/s Reducer/s Group Spectrum ascii file Spectrum fits file Spec. Type Assoc. Groups End prop. period Remarks
14629 2023-03-22 10:23:31 Other / Other 3600 Hamish Barker Hamish Barker None tns_2023dex_2023-03-22.433_Other_Other.dat tns_2023dex_2023-03-22.433_Other_Other.fit Object Spectrum taken with 250mm Newtonian, Harrison L200 Littrow spectrograph with 180lpmm grating, Atik 383L+ camera. R= 500 (approx).
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
G-Gaia Gaia_Gaia-photometric 2023-01-17 20:52:48 - 2023-03-11 08:28:19 2459962.37 - 2460014.853 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
331959 2023-03-11 08:28:19 2460014.853 10.6 0.2 ABMag G-Gaia Gaia_Gaia-photometric 60 Robot
331958 2023-01-17 20:52:48 2459962.37 21.5 ABMag G-Gaia Gaia_Gaia-photometric Robot [Last non detection]
AT Reports
ID Time received (UT) Sender Reporter/s Reporting group Disc. Data Source RA DEC Discovery date (UT) Discovery Mag. Filter Related files AT Type Host name Internal name Assoc. Groups End prop. period Remarks ADS Bibcode Unreal Auto classification
172276 2023-03-16 23:59:51 Gaia_Bot1 S.T. Hodgkin, E. Breedt, A. Delgado et al. GaiaAlerts GaiaAlerts 14:53:57.920 -58:30:59.98 2023-03-11 08:28:19.200 10.6 G-Gaia Other Gaia23bcf GaiaAlerts bright blue gal.plane source candidate microlensing event or Be-type outburst rises by 0.3 mag 2023TNSTR.546....1H N
Classification Reports
ID Time received (UT) Sender Classifier/s Group Classification Redshift Spectra Related files Assoc. Groups End prop. period Remarks ADS Bibcode
14555 2023-03-22 23:23:18 Hamish Barker Hamish Barker None Other 0 1 Halpha 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
Spectra
ID Obs-date (UT) Tel / Inst Exp-Time Observer/s Reducer/s Group Spectrum ascii file Spectrum fits file Spec. Type Assoc. Groups End prop. period Remarks
14629 2023-03-22 10:23:31 Other / Other 3600 Hamish Barker Hamish Barker None tns_2023dex_2023-03-22.433_Other_Other.dat tns_2023dex_2023-03-22.433_Other_Other.fit Object Spectrum taken with 250mm Newtonian, Harrison L200 Littrow spectrograph with 180lpmm grating, Atik 383L+ camera. R= 500 (approx).

Comments

Hamish
Barker

Cosmic at 5666A

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