RA/DEC (2000)
07:37:37.039 +19:40:19.49
114.4043312 +19.6720795
Type
SN Ia
Redshift
0.04
Discovery ReportClassification Report
Reporting Group
ZTF
Discovering Data Source
ZTF
Discovery Date
2021-09-06 11:56:52.995
TNS AT
Y
Public
Y
Discovery Mag
19.0703
Filter
r-ZTF
Reporter/s
Nabeel Rehemtulla (CIERA, NU), Christoffer Fremling (Caltech), Daniel Perley (LJMU), Theophile du Laz (Caltech) on behalf of ZTF
NEDSIMBADDECaLSPanSTARRS-1SkyMapperVizieRWISEDSSADS

Spectra

 ▌SN_2021aicr - 2025-01-17 00:00:00 LT / SPRAT (ATLAS)z=
▌Show H at z=vexp= km/s
▌Show He at z=vexp= km/s
▌Show He II at z=vexp= km/s
▌Show C II at z=vexp= km/s
▌Show C III at z=vexp= km/s
▌Show C IV at z=vexp= km/s
▌Show N II at z=vexp= km/s
▌Show N III at z=vexp= km/s
▌Show N IV at z=vexp= km/s
▌Show N V at z=vexp= km/s
▌Show O at z=vexp= km/s
▌Show [O I] at z=vexp= km/s
▌Show O II at z=vexp= km/s
▌Show [O II] at z=vexp= km/s
▌Show [O III] at z=vexp= km/s
▌Show O V at z=vexp= km/s
▌Show O VI at z=vexp= km/s
▌Show Na at z=vexp= km/s
▌Show Mg at z=vexp= km/s
▌Show Mg II at z=vexp= km/s
▌Show Si II at z=vexp= km/s
▌Show S II at z=vexp= km/s
▌Show Ca II at z=vexp= km/s
▌Show [Ca II] at z=vexp= km/s
▌Show Fe II at z=vexp= km/s
▌Show Fe III at z=vexp= km/s
▌Show Å at z=vexp= km/s
▌Show Å at z=vexp= km/s
▌Show Å at z=vexp= km/s
▌Show Å at z=vexp= km/s
▌Show Tellurics 
▌Show Galaxy lines at z=
▌Show WR-WN at z=vexp= km/s
▌Show WR-WC/O at z=vexp= km/s
   Binning factor: (rounded to nearest integer >1)
Mouse hovers at WL: 0 (rest),0 (observed)

Light curves

 ▌BG3_BlackGEM-Cam3_BG-q
 ▌P48_ZTF-Cam_r
 ▌ATLAS-MLO_ATLAS-01_orange
 ▌ATLAS-HKO_ATLAS-02_orange
   
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
20209 2025-01-17 00:00:00 LT / SPRAT LT ATLAS tns_2021aicr_2025-01-17_LT_SPRAT_ATLAS.txt Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
BG-q-BlackGem BG3_BlackGEM-Cam3 2025-01-07 06:27:55 - 2025-01-28 03:50:04 2460682.7693866 - 2460703.6597685 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
466209 2025-01-28 03:50:04 2460703.6597685 16.71 0.02 20.77 ABMag BG-q-BlackGem BG3_BlackGEM-Cam3 60 robotic
466208 2025-01-07 06:27:55 2460682.7693866 20.85 ABMag BG-q-BlackGem BG3_BlackGEM-Cam3 60 robotic [Last non detection]
r-ZTF P48_ZTF-Cam 2021-08-30 12:23:46 - 2025-01-16 09:10:29 2459457.0165046 - 2460691.8822801 3
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
462392 2025-01-16 09:10:29 2460691.8822801 17.6233 0.0524235 ABMag r-ZTF P48_ZTF-Cam
462391 2021-09-06 11:56:53 2459463.9978356 19.0703 0.104777 ABMag r-ZTF P48_ZTF-Cam
462390 2021-08-30 12:23:46 2459457.0165046 19.2598 ABMag r-ZTF P48_ZTF-Cam [Last non detection]
orange-ATLAS ATLAS-MLO_ATLAS-01 2025-01-16 11:28:44 - 2025-01-16 11:28:44 2460691.97829 - 2460691.97829 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
462609 2025-01-16 11:28:44 2460691.97829 17.515 0.077 18.87 ABMag orange-ATLAS ATLAS-MLO_ATLAS-01 30 Robot
orange-ATLAS ATLAS-HKO_ATLAS-02 2025-01-11 09:12:39 - 2025-01-11 09:12:39 2460686.88378 - 2460686.88378 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
462608 2025-01-11 09:12:39 2460686.88378 18.49 ABMag orange-ATLAS ATLAS-HKO_ATLAS-02 30 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 Bibcode Unreal Auto classification
243177 2025-02-02 12:13:09 BlackGEM_Bot1 F. Stoppa,H. Tranin,D. Pieterse et al. BlackGEM BlackGEM 07:37:37.082 +19:40:18.95 2025-01-28 03:50:04.000 16.71 BG-q-BlackGem 1 PSN BGEM J073737.08+194018.9 BlackGEM N
Related files
File Comments Last Modified (UT) Modified By
tns_2021aicr_atrep_243177_BlackGEM.pdf Finding Chart 2025-02-02 12:13:12 BlackGEM_Bot1
241259 2025-01-17 16:54:48 ATLAS_Bot1 J. Tonry,L. Denneau,H. Weiland et al. ATLAS ATLAS 07:37:37.071 +19:40:19.01 2025-01-16 11:28:44.256 17.515 orange-ATLAS PSN ATLAS25alv ATLAS N
241157 2025-01-16 09:23:18 Fritz Nabeel Rehemtulla (CIERA,NU),Christoffer Fremling (Caltech) et al. ZTF ZTF 07:37:37.039 +19:40:19.49 2021-09-06 11:56:52.995 19.0703 r-ZTF PSN ZTF18aafaczt ZTF Bright (m_peak <= 18.5) transient candidate identified autonomously by BTSbot (Rehemtulla et al. 2024; arXiv:2401.15167). 2025TNSTR.212....1R N
Classification Reports
ID Time received (UT) Sender Classifier/s Group Classification Redshift Spectra Related files Assoc. Groups End prop. period Remarks ADS Bibcode
20209 2025-01-20 10:42:44 Charlotte Angus C. Angus (QUB) on behalf of ATLAS ATLAS SN Ia 0.04 1 Add ATLAS Spectrum taken with LT/SPRAT on 17/01/2025. Template matches to a young SNe Ia (-12 to -9 days). Redshift found from template matching. Classification was done using SNID 2025TNSCR.277....1A
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
20209 2025-01-17 00:00:00 LT / SPRAT LT ATLAS tns_2021aicr_2025-01-17_LT_SPRAT_ATLAS.txt Object

Comments