RA/DEC (2000)
07:57:19.690 +06:37:08.89
119.3320408 +6.6191375
Type
SLSN-I
Redshift
0.265
Discovery ReportClassification Report
Related AstroNotes: 2025-115
Reporting Group
ZTF
Discovering Data Source
ZTF
Discovery Date
2025-03-05 05:19:08.996
TNS AT
Y
Public
Y
Discovery Mag
20.4398
Filter
r-ZTF
Reporter/s
Daniel Perley (LJMU), Christoffer Fremling (Caltech), Theophile du Laz (Caltech) on behalf of ZTF
NEDSIMBADDECaLSPanSTARRS-1SkyMapperVizieRWISEDSSADS

Spectra

 ▌SN_2025fpp - 2025-04-26 04:19:22 MMT / BINOSPEC (FLEET)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

 ▌GOTO-S_GOTO-4_L
 ▌GOTO-N_GOTO-2_L
 ▌ATLAS-CHL_ATLAS-04_orange
 ▌P48_ZTF-Cam_r
 ▌P48_ZTF-Cam_g
 ▌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
20932 2025-04-26 04:19:22 MMT / BINOSPEC Harsh Kumar Harsh Kumar FLEET tns_2025fpp_2025-04-26_04-19-22_MMT_BINOSPEC_FLEET.ascii Object The flux calibration of the blue side of the spectrum is not accurate, Please recalibrate using photometry if needed.
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
L-GOTO GOTO-S_GOTO-4 2025-03-31 10:06:00 - 2025-03-31 10:06:00 2460765.920834 - 2460765.920834 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
480696 2025-03-31 10:06:00 2460765.920834 19.28 0.12 ABMag L-GOTO GOTO-S_GOTO-4 270
L-GOTO GOTO-N_GOTO-2 2025-02-26 22:40:50 - 2025-02-26 22:40:50 2460733.445022 - 2460733.445022 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
480695 2025-02-26 22:40:50 2460733.445022 18.5 ABMag L-GOTO GOTO-N_GOTO-2 180 [Last non detection]
orange-ATLAS ATLAS-CHL_ATLAS-04 2025-04-26 00:08:38 - 2025-04-26 00:08:38 2460791.506 - 2460791.506 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
485530 2025-04-26 00:08:38 2460791.506 18.86 ABMag orange-ATLAS ATLAS-CHL_ATLAS-04 30 Robot [Last non detection]
r-ZTF P48_ZTF-Cam 2025-03-05 05:19:09 - 2025-03-05 05:19:09 2460739.7216319 - 2460739.7216319 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
478411 2025-03-05 05:19:09 2460739.7216319 20.4398 0.286047 ABMag r-ZTF P48_ZTF-Cam
g-ZTF P48_ZTF-Cam 2025-03-05 03:34:48 - 2025-03-23 05:55:51 2460739.6491667 - 2460757.7471181 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
478412 2025-03-23 05:55:51 2460757.7471181 19.6522 0.173327 ABMag g-ZTF P48_ZTF-Cam
478410 2025-03-05 03:34:48 2460739.6491667 19.4662 ABMag g-ZTF P48_ZTF-Cam [Last non detection]
orange-ATLAS ATLAS-HKO_ATLAS-02 2025-04-27 06:09:15 - 2025-04-27 06:09:15 2460792.75642 - 2460792.75642 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
485531 2025-04-27 06:09:15 2460792.75642 18.025 0.121 19.38 ABMag orange-ATLAS ATLAS-HKO_ATLAS-02 30 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
253389 2025-05-02 14:38:40 ATLAS_Bot1 J. Tonry,L. Denneau,H. Weiland et al. ATLAS ATLAS 07:57:19.722 +06:37:08.41 2025-04-27 06:09:14.688 18.025 orange-ATLAS PSN ATLAS25ena ATLAS N
250878 2025-04-04 08:54:04 GOTO_bot D. O'Neill,K. Ackley,M. Dyer et al. GOTO GOTO 07:57:19.659 +06:37:08.00 2025-03-31 10:05:59.712 19.28 L-GOTO Other GOTO25biw GOTO N
249674 2025-03-23 21:54:51 Fritz Daniel Perley (LJMU),Christoffer Fremling (Caltech),Theophile du Laz (Caltech) on behalf of ZTF et al. ZTF ZTF 07:57:19.690 +06:37:08.89 2025-03-05 05:19:08.996 20.4398 r-ZTF PSN ZTF25aakaxwv ZTF 2025TNSTR1104....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
20932 2025-05-01 17:38:34 Harsh Kumar Harsh Kumar (Harvard CfA), Peter Blanchard (Harvard CfA), Daichi Hiramatsu (Harvard CfA), Sebastian Gomez (CfA), Edo Berger (Harvard CfA) FLEET SLSN-I 0.265 1 FLEET Classification based on spectral match to SLSN-I using superfit. 2025TNSCR1617....1K
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
20932 2025-04-26 04:19:22 MMT / BINOSPEC Harsh Kumar Harsh Kumar FLEET tns_2025fpp_2025-04-26_04-19-22_MMT_BINOSPEC_FLEET.ascii Object The flux calibration of the blue side of the spectrum is not accurate, Please recalibrate using photometry if needed.

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