RA/DEC (2000)
12:43:46.625 -20:09:29.64
190.944270999 -20.1582327134
Type
SN Ia
Redshift
0.02731
Related AstroNotes: 2023-109
Reporting Group
ATLAS
Discovering Data Source
ATLAS
Discovery Date
2023-05-07 22:52:37.344
TNS AT
Y
Public
Y
Discovery Mag
17.492
Filter
orange-ATLAS
Reporter/s
J. Tonry, L. Denneau, H. Weiland, A. Lawrence, R. Siverd (IfA, University of Hawaii), N. Erasmus, W. Koorts (South African Astronomical Observatory), J. Anderson (ESO), A. Jordan, V. Suc (UAI, Obstech), S. J. Smartt (Oxford/QUB), K. W. Smith, S. Srivastav, D. R. Young, M. Nicholl, M. Fulton, M. McCollum, T. Moore, J. Weston (Queen's University Belfast), L. Shingles (GSI/QUB), A. Rest (STScI), T.-W. Chen (TUM/MPA), C. Stubbs (Harvard), J. Sommer (LMU/QUB), L. Rhodes, A. Andersson (Oxford)

Spectra

 SN_2023hro - 2023-05-11 12:00:00 ANU-2.3m / WiFeS (DEBASS)z=
 SN_2023hro - 2023-05-11 07:38:09 P60 / SEDM (ZTF)z=
 SN_2023hro - 2023-05-08 18:30:58 Other / Other (MeerLICHT)z=
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   Binning factor: (rounded to nearest integer >1)
Mouse hovers at WL: 0 (rest),0 (observed)

Light curves

 ATLAS-CHL_ATLAS-04_orange
 ATLAS-STH_ATLAS-03_orange
 P48_ZTF-Cam_r
 P48_ZTF-Cam_g
 PS1_GPC1_w
   
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
14952 2023-05-11 12:00:00 ANU-2.3m / WiFeS 1200 Robotic B. Martin DEBASS tns_2023hro_2023-05-11.5_ANU-2.3m_WiFeS_DEbass.dat tns_2023hro_2023-05-11.5_ANU-2.3m_WiFeS_DEbass.fits Object
14936 2023-05-11 07:38:09 P60 / SEDM 1800 SEDmRobot auto ZTF tns_2023hro_2023-05-11_07-38-09.386454_P60_SEDM_ZTF.ascii Object
15778 2023-05-08 18:30:58 Other / Other 1500 Orapeleng Mogawana Orapeleng Mogawana MeerLICHT tns_2023hro_2023-05-08_18-30-58.339_Other_Other_MeerLICHT.dat Object The spectrum was taken with the SAAO's 1-m Lesedi-MOOKODI low-resolution spectrograph and imager using a 2" slit and an average spectral resolution of R = 374.4.
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
orange-ATLAS ATLAS-CHL_ATLAS-04 2023-05-06 05:33:07 - 2023-05-06 05:33:07 2460070.73133 - 2460070.73133 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
341008 2023-05-06 05:33:07 2460070.73133 17.91 ABMag orange-ATLAS ATLAS-CHL_ATLAS-04 30 Robot [Last non detection]
orange-ATLAS ATLAS-STH_ATLAS-03 2023-05-07 22:52:37 - 2023-05-07 22:52:37 2460072.45321 - 2460072.45321 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
341009 2023-05-07 22:52:37 2460072.45321 17.492 0.072 18.66 ABMag orange-ATLAS ATLAS-STH_ATLAS-03 30 Robot
r-ZTF P48_ZTF-Cam 2023-04-30 07:03:22 - 2023-05-09 07:04:48 2460064.794 - 2460073.795 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
341086 2023-05-09 07:04:48 2460073.795 17.15 ABMag r-ZTF P48_ZTF-Cam 30 ZTF
341084 2023-04-30 07:03:22 2460064.794 19.77 ABMag r-ZTF P48_ZTF-Cam 30 ZTF [Last non detection]
g-ZTF P48_ZTF-Cam 2023-05-09 06:33:07 - 2023-05-09 06:33:07 2460073.773 - 2460073.773 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
341085 2023-05-09 06:33:07 2460073.773 17.09 ABMag g-ZTF P48_ZTF-Cam 30 ZTF
w-P1 PS1_GPC1 2023-05-12 06:21:43 - 2023-05-12 06:21:43 2460076.76508 - 2460076.76508 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
341617 2023-05-12 06:21:43 2460076.76508 16.87 0.01 22 ABMag w-P1 PS1_GPC1 45 Robot
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
177124 2023-05-12 16:32:56 PS1_Bot1 K. C. Chambers, T. de Boer, J. Bulger et al. Pan-STARRS Pan-STARRS 12:43:46.625 -20:09:29.64 2023-05-12 06:21:42.912 16.87 w-P1 PSN PS23cyh Pan-STARRS N
176849 2023-05-09 09:24:11 ZTF_Bot1 C. Fremling (Caltech) on behalf of the Zwicky Transient Facility (ZTF) collaboration ZTF ZTF 12:43:46.636 -20:09:29.67 2023-05-09 06:33:07.200 17.09 g-ZTF PSN ZTF23aaiyuae ZTF N
176810 2023-05-08 06:12:32 ATLAS_Bot1 J. Tonry, L. Denneau, H. Weiland et al. ATLAS ATLAS 12:43:46.617 -20:09:29.53 2023-05-07 22:52:37.344 17.492 orange-ATLAS PSN ATLAS23kbn ATLAS 2023TNSTR1024....1T N
Classification Reports
ID Time received (UT) Sender Classifier/s Group Classification Redshift Spectra Related files Assoc. Groups End prop. period Remarks ADS Bibcode
15693 2023-10-05 11:23:21 Orapeleng Mogawana Orapeleng Mogawana(UCT/SAAO), Paul Groot (Radboud/UCT/SAAO) MeerLICHT SN Ia 0.02731 1 BlackGEM, MeerLICHT Spectral template matching analysis using SNID (Blondin & Tonry 2007) suggests this is a normal Type Ia supernova, observed ~9 days before maximum brightness. The reported redshift is adopted from the associated host galaxy ESO 574- G 025. 2023TNSCR2495....1M
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
15778 2023-05-08 18:30:58 Other / Other 1500 Orapeleng Mogawana Orapeleng Mogawana MeerLICHT tns_2023hro_2023-05-08_18-30-58.339_Other_Other_MeerLICHT.dat Object The spectrum was taken with the SAAO's 1-m Lesedi-MOOKODI low-resolution spectrograph and imager using a 2" slit and an average spectral resolution of R = 374.4.
14878 2023-05-13 03:07:23 Bailey Martin B. Martin (ANU), C. Lidman (ANU), D. Brout (U. Penn), H. J. Abbot (ANU), P. Armstrong (ANU), , K. Dove (ANU), G. Taylor (ANU) and B. E. Tucker (ANU) DEBASS SN Ia 0.0276 1 DEBASS Classified with superfit. The best match is SN 1990N, a Type Ia a week before max. 2023TNSCR1087....1M
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
14952 2023-05-11 12:00:00 ANU-2.3m / WiFeS 1200 Robotic B. Martin DEBASS tns_2023hro_2023-05-11.5_ANU-2.3m_WiFeS_DEbass.dat tns_2023hro_2023-05-11.5_ANU-2.3m_WiFeS_DEbass.fits Object
14862 2023-05-11 08:17:47 ZTF_Bot1 C. Fremling, D. Neill, Y. Sharma on behalf of the SEDM Team (Caltech) and the Zwicky Transient Facility (ZTF) based on SNIascore ZTF SN Ia 0.027309 1 ZTF 2023TNSCR1060....1F
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
14936 2023-05-11 07:38:09 P60 / SEDM 1800 SEDmRobot auto ZTF tns_2023hro_2023-05-11_07-38-09.386454_P60_SEDM_ZTF.ascii Object

Comments

TNS
System

Object coordinates updated

Object coordinates updated according to AT-report 177124 of Group Pan-STARRS
Previous RA, DEC: 12:43:46.636, -20:09:29.67 (190.9443178, -20.1582422)
Updated RA, DEC: 12:43:46.625, -20:09:29.64 (190.944270999, -20.1582327134)

TNS
System

Object coordinates updated

Object coordinates updated according to AT-report 176849 of Group ZTF
Previous RA, DEC: 12:43:46.617, -20:09:29.53 (190.944237273, -20.1582018182)
Updated RA, DEC: 12:43:46.636, -20:09:29.67 (190.9443178, -20.1582422)