RA/DEC (2000)
02:30:26.890 -43:00:52.96
37.612042 -43.014711
Type
SN II
Redshift
0.018
Reporting Group
BOSS
Discovering Data Source
BOSS
Discovery Date
2017-08-22 03:40:00.000
TNS AT
Y
Public
Y
Host Name
ESO-246-G-21
Discovery Mag
17.9
Filter
Other-
Reporter/s
Stuart Parker

Spectra

 SN_2017ggw - 2017-08-28 04:44:53 ESO-NTT / EFOSC2-NTT (ePESSTO)z=
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   Binning factor: (rounded to nearest integer >1)
Mouse hovers at WL: 0 (rest),0 (observed)

Light curves

 Gaia_Gaia-photometric_G
 Other_Other_Clear
 Other_Other_Other
   
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
1169 2017-08-28 04:44:53 ESO-NTT / EFOSC2-NTT 600 Lyman,HOoman Galbany ePESSTO tns_2017ggw_2017-08-28_04-44-53_ESO-NTT_EFOSC2-NTT_ePESSTO.asci tns_2017ggw_2017-08-28_04-44-53_ESO-NTT_EFOSC2-NTT_ePESSTO.fits Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
G-Gaia Gaia_Gaia-photometric 2017-09-12 13:40:47 - 2017-10-03 18:04:19 2458009.0699884 - 2458030.2529977 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
20899 2017-10-03 18:04:19 2458030.2529977 18.23 0.2 ABMag G-Gaia Gaia_Gaia-photometric 60 Robot
20898 2017-09-12 13:40:47 2458009.0699884 21.5 ABMag G-Gaia Gaia_Gaia-photometric Robot [Last non detection]
Clear- Other_Other 2016-12-24 02:25:23 - 2017-08-19 07:38:50 2457746.60096 - 2457984.81863 3
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
144736 2017-08-19 07:38:50 2457984.81863 16.7 18.9 VegaMag Clear- Other_Other 60 Robot MASTER-OAFA
144735 2017-08-19 07:33:12 2457984.81472 16.9 18.9 VegaMag Clear- Other_Other 60 Robot MASTER-OAFA
144734 2016-12-24 02:25:23 2457746.60096 20.5 VegaMag Clear- Other_Other 180 Robot [Last non detection] MASTER-OAFA
Other- Other_Other 2017-08-04 03:40:00 - 2017-08-22 03:40:00 2457969.6527778 - 2457987.6527778 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
19688 2017-08-22 03:40:00 2457987.6527778 17.9 18.5 Other Other- Other_Other 30 Parker was confirmed with many images the next night
19687 2017-08-04 03:40:00 2457969.6527778 18 Other Other- Other_Other 30 Parker [Last non detection] not visible
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
74906 2020-06-23 17:58:22 MASTER Yu.Sergienko,V. Lipunov,E. Gorbovskoy et al. MASTER MASTER 02:30:26.890 -43:00:55.20 2017-08-19 07:33:11.808 16.9 Clear- PSN MASTER OT J023026.89-430055.2 MASTER LVC Inspect GW170818 N
13913 2017-10-05 10:14:40 Gaia_Bot1 A. Delgado,D. Harrison,S. Hodgkin et al. GaiaAlerts GaiaAlerts 02:30:26.890 -43:00:52.96 2017-10-03 18:04:19.000 18.23 G-Gaia PSN Gaia17cmy GaiaAlerts confirmed SN II near galaxy in a group of galaxies (ESO 246-21) N
13230 2017-08-23 13:10:32 Stuart Parker Stuart Parker et al. BOSS BOSS 02:30:26.880 -43:00:53.10 2017-08-22 03:40:00.000 17.9 Other- PSN ESO-246-G-21 BOSS Stuart Parker, Canterbury, New Zealand, reports the discovery of an apparent supernova (red mag18) on a 30-s unfiltered CCD image (limiting mag 19) taken by himself with a 30-cm Astro-Tech AT12RC Ritchey-Chretien astrograph (+ ST10 camera) at his Parkdale Observatory in the course of the Backyard Observatory Supernova Search.Which is 11W"and 44N"of the nucleus of the galaxy ESO-246-G-21 (PGC9544) 2017TNSTR.901....1P N
Classification Reports
ID Time received (UT) Sender Classifier/s Group Classification Redshift Spectra Related files Assoc. Groups End prop. period Remarks ADS Bibcode
1165 2017-08-29 08:36:27 ePESSTO_Bot1 Lyman,HOoman, Galbany, O. Yaron, on behalf of ePESSTO ePESSTO SN II 0.018 1 ePESSTO 2017TNSCR.931....1L
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
1169 2017-08-28 04:44:53 ESO-NTT / EFOSC2-NTT 600 Lyman,HOoman Galbany ePESSTO tns_2017ggw_2017-08-28_04-44-53_ESO-NTT_EFOSC2-NTT_ePESSTO.asci tns_2017ggw_2017-08-28_04-44-53_ESO-NTT_EFOSC2-NTT_ePESSTO.fits Object

Comments

TNS
System

Object coordinates updated

Object coordinates updated according to AT-report 13913 of Group GaiaAlerts
Previous RA, DEC: 02:30:26.880, -43:00:53.10 (37.612, -43.01475)
Updated RA, DEC: 02:30:26.890, -43:00:52.96 (37.612042, -43.014711)