RA/DEC (2000)
16:31:37.416 +26:21:58.31
247.905901476 +26.3661961581
Type
SN Ic-BL
Redshift
1.027
Related AstroNotes: 2023-178, 2023-179, 2023-182
Reporting Group
ATLAS
Discovering Data Source
ATLAS
Discovery Date
2023-06-18 09:31:46.848
TNS AT
Y
Public
Y
Discovery Mag
19.258
Filter
cyan-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, X. Sheng (Queen's University Belfast), A. Aamer (QUB/Birmingham), 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_2023lcr - 2023-08-12 00:00:00 JWST / NIRSpec (STARGATE)z=
Show H at z=vexp= km/s
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Show [Ca II] at z=vexp= km/s
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   Binning factor: (rounded to nearest integer >1)
Mouse hovers at WL: 0 (rest),0 (observed)

Light curves

 LCO1m_Sinistro_i
 P48_ZTF-Cam_r
 P48_ZTF-Cam_g
 ATLAS-HKO_ATLAS-02_cyan
 PS1_GPC1_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
15456 2023-08-12 00:00:00 JWST / NIRSpec Antonio Martin-Carrillo (UCD) on behalf of a larger collaboration STARGATE tns_2023lcr_2023-08-12_00-00-00_JWST_NIRSpec_STARGATE.txt Object Spectrum taken with the clear prism with a fix slit of 0.4". Fluxes in Jy
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
i-Sloan LCO1m_Sinistro 2023-06-23 23:52:00 - 2023-06-23 23:52:00 2460119.4944444 - 2460119.4944444 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
349498 2023-06-23 23:52:00 2460119.4944444 22.4 0.4 ABMag i-Sloan LCO1m_Sinistro 1500 LCOGTbot
r-ZTF P48_ZTF-Cam 2023-06-19 08:29:48 - 2023-06-19 08:29:48 2460114.8540278 - 2460114.8540278 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
348618 2023-06-19 08:29:48 2460114.8540278 20.2708 ABMag r-ZTF P48_ZTF-Cam
g-ZTF P48_ZTF-Cam 2023-06-17 09:39:58 - 2023-06-18 06:36:27 2460112.9027546 - 2460113.7753125 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
348617 2023-06-18 06:36:27 2460113.7753125 19.6575 ABMag g-ZTF P48_ZTF-Cam
348616 2023-06-17 09:39:58 2460112.9027546 20.5421 ABMag g-ZTF P48_ZTF-Cam [Last non detection]
cyan-ATLAS ATLAS-HKO_ATLAS-02 2023-06-16 09:56:25 - 2023-06-18 09:31:47 2460111.91418 - 2460113.89707 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
348538 2023-06-18 09:31:47 2460113.89707 19.258 0.136 19.69 ABMag cyan-ATLAS ATLAS-HKO_ATLAS-02 30 Robot
348537 2023-06-16 09:56:25 2460111.91418 19.67 ABMag cyan-ATLAS ATLAS-HKO_ATLAS-02 30 Robot [Last non detection]
g-P1 PS1_GPC1 2023-06-20 07:34:16 - 2023-06-20 07:34:16 2460115.81546 - 2460115.81546 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
348892 2023-06-20 07:34:16 2460115.81546 21.45 0.13 21 ABMag g-P1 PS1_GPC1 200 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
180877 2023-06-24 11:20:50 Ismael Perez-Fournon I. Pérez-Fournon and F. Poidevin (IAC and ULL) SGLF SGLF 16:31:37.416 +26:21:58.31 2023-06-23 23:52:00.000 22.4 i-Sloan PSN SGLF LCOGT follow up of AT 2023lcr (ATLAS23msn, ZTF23aaoohpy, PS23ems). The transient is faint but detected in our LCOGT 1m+Sinistro imaging (3x500 sec) from Teide Observatory with i = 22.40 +/- 0.40, calibrated using PanSTARRS. See also AstroNotes 2023-178, 2023-179, and 2023-182 and GCN circulars (https://gcn.nasa.gov/circulars?query=ZTF23aaoohpy) N
180574 2023-06-20 15:06:06 PS1_Bot1 K. C. Chambers, T. de Boer, J. Bulger et al. Pan-STARRS Pan-STARRS 16:31:37.416 +26:21:58.31 2023-06-20 07:34:15.744 21.45 g-P1 PSN PS23ems Pan-STARRS N
180470 2023-06-19 16:16:33 ZTF_MMA_bot Igor Andreoni, Michael Coughlin on behalf of the ZTF collaboration ZTF ZTF 16:31:37.405 +26:21:58.35 2023-06-18 06:36:27.000 19.6575 g-ZTF PSN ZTF23aaoohpy ZTF N
180429 2023-06-18 14:25:09 ATLAS_Bot1 J. Tonry, L. Denneau, H. Weiland et al. ATLAS ATLAS 16:31:37.432 +26:21:58.37 2023-06-18 09:31:46.848 19.258 cyan-ATLAS PSN ATLAS23msn ATLAS 2023TNSTR1419....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
15381 2023-08-14 13:27:33 Antonio Martin-Carrillo Antonio Martin-Carrillo (UCD), A. J. Levan (Radboud), A. de Ugarte Postigo (OCA/CNRS), L. Izzo (INAF-OACN and DARK/NBI), B. Schneider (MIT), T. Laskar (Utah), B. P. Gompertz (U. Birmingham), D. B. Malesani (Radboud and DAWN/NBI), G. Finneran (UCD), J.F. Agui Fernandez (IAA-CSIC), C.C. Thoene (ASU-CAS), V. D'Elia (ASI-SSDC and INAF-OAR), N.R. Tanvir (U. Leicester), P. Jakobsson (U. Iceland) and G. Pugliese (API, Amsterdam) STARGATE SN Ic-BL 1.027 1 STARGATE Spectrum taken 27 days (rest frame) after the likely explosion epoch of the event. Assuming a redshift of z=1.027, the obtained spectrum shows an excellent match to the spectrum of other Ic-BLs such as 1998bw (at 22 days) and 2017iuk (at 26 days). 2023TNSCR1961....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
15456 2023-08-12 00:00:00 JWST / NIRSpec Antonio Martin-Carrillo (UCD) on behalf of a larger collaboration STARGATE tns_2023lcr_2023-08-12_00-00-00_JWST_NIRSpec_STARGATE.txt Object Spectrum taken with the clear prism with a fix slit of 0.4". Fluxes in Jy

Comments

TNS
System

Object coordinates updated

Object coordinates updated according to AT-report 180574 of Group Pan-STARRS
Previous RA, DEC: 16:31:37.405, +26:21:58.35 (247.9058524, +26.3662079)
Updated RA, DEC: 16:31:37.416, +26:21:58.31 (247.905901476, 26.3661961581)

TNS
System

Object coordinates updated

Object coordinates updated according to AT-report 180470 of Group ZTF
Previous RA, DEC: 16:31:37.432, +26:21:58.37 (247.905965, +26.366215)
Updated RA, DEC: 16:31:37.405, +26:21:58.35 (247.9058524, 26.3662079)