RA/DEC (2000)
16:04:38.226 +49:26:46.09
241.159274544 +49.4461357422
Type
SN Ia
Redshift
0.082232
Reporting Group
ALeRCE
Discovering Data Source
ZTF
Discovery Date
2025-05-25 09:10:10.001
TNS AT
Y
Public
Y
Host Name
SDSS J160439.55+492653.3
Host Redshift
0.02421876
Discovery Mag
19.9496
Filter
g-ZTF
Reporter/s
S. Jurado, F.E. Bauer, F. Forster, , G. Pignata, A. Munoz-Arancibia, A. Mourao, L. Hernandez-Garcia, L. Galbany, J. Silva-Farfan, R. Dastidar, J.P. Brandt, A. Alvarez, G. Cabrera-Vives, R. Carrasco-Davis, P.A. Estevez, B. Gamboa, P. Huijse, H. Larranaga, C. Mansilla, K. Medina, D. Moreno, E. Munoz, E. Pizarro, I. Reyes, P. Sanchez-Saez, D. Rodriguez-Mancini, M. Catelan, S. Eyheramendy, M.J. Graham on behalf of the ALeRCE broker

Spectra

 SN_2025lzc - 2025-06-05 03:15:23 LT / SPRAT (ZTF)z=
Show H at z=vexp= km/s
Show He at z=vexp= km/s
Show He II at z=vexp= km/s
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Show N II at z=vexp= km/s
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Show N V at z=vexp= km/s
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Show [O I] at z=vexp= km/s
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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
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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

 PS2_GPC2_w
 P48_ZTF-Cam_r
 P48_ZTF-Cam_g
 ATLAS-MLO_ATLAS-01_orange
 ATLAS-HKO_ATLAS-02_cyan
   
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
21232 2025-06-05 03:15:23 LT / SPRAT Daniel Perley, Jacob Wise, K-Ryan Hinds, Aleksandra Bochenek, Zoe McGrath Jacob Wise ZTF tns_2025lzc_2025-06-05_03-15-23.469_LT_SPRAT_ZTF.spec Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
w-P1 PS2_GPC2 2025-05-31 10:42:10 - 2025-05-31 10:42:10 2460826.94595 - 2460826.94595 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
493595 2025-05-31 10:42:10 2460826.94595 18.86 0.04 22 ABMag w-P1 PS2_GPC2 45 Robot
r-ZTF P48_ZTF-Cam 2025-05-22 09:10:32 - 2025-05-25 09:55:37 2460817.8823148 - 2460820.9136227 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
491464 2025-05-25 09:55:37 2460820.9136227 20.2086 0.16409 20.4806 ABMag r-ZTF P48_ZTF-Cam 30 Robot Data provided by ZTF
491462 2025-05-22 09:10:32 2460817.8823148 20.8613 ABMag r-ZTF P48_ZTF-Cam 30 Robot [Last non detection] Data provided by ZTF
g-ZTF P48_ZTF-Cam 2025-05-22 08:12:11 - 2025-05-25 09:10:10 2460817.841794 - 2460820.8820602 3
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
491463 2025-05-25 09:10:10 2460820.8820602 19.9496 0.177917 20.6623 ABMag g-ZTF P48_ZTF-Cam 30 Robot Data provided by ZTF
494344 2025-05-25 09:10:10 2460820.8820602 19.9496 0.177917 20.6623 ABMag g-ZTF P48_ZTF-Cam 30 Robot Data provided by ZTF, classified by Fink
494343 2025-05-22 08:12:11 2460817.841794 20.7376 ABMag g-ZTF P48_ZTF-Cam 30 Robot [Last non detection] Data provided by ZTF, classified by Fink
orange-ATLAS ATLAS-MLO_ATLAS-01 2025-05-26 11:51:28 - 2025-05-26 11:51:28 2460821.99407 - 2460821.99407 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
492855 2025-05-26 11:51:28 2460821.99407 19.48 ABMag orange-ATLAS ATLAS-MLO_ATLAS-01 30 Robot [Last non detection]
cyan-ATLAS ATLAS-HKO_ATLAS-02 2025-05-28 09:55:42 - 2025-05-28 09:55:42 2460823.91368 - 2460823.91368 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
492856 2025-05-28 09:55:42 2460823.91368 19.36 0.174 19.6 ABMag cyan-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
258089 2025-06-09 18:14:33 Fink Julien Peloton, Anais Moller, Emille E. O. Ishida on behalf of the Fink broker Fink ZTF 16:04:38.236 +49:26:46.25 2025-05-25 09:10:10.001 19.9496 g-ZTF PSN ZTF25aarxine ZTF Early SN Ia candidate classified by Fink using the public ZTF stream. Object data at https://fink-portal.org/ZTF25aarxine N
257744 2025-06-04 06:28:37 PS1_Bot1 K. C. Chambers, T. de Boer, J. Fairlamb et al. Pan-STARRS Pan-STARRS 16:04:38.226 +49:26:46.09 2025-05-31 10:42:10.080 18.86 w-P1 PSN PS25ddj Pan-STARRS N
257354 2025-05-30 10:39:55 ATLAS_Bot1 J. Tonry, L. Denneau, H. Weiland et al. ATLAS ATLAS 16:04:38.237 +49:26:46.33 2025-05-28 09:55:41.952 19.36 cyan-ATLAS PSN ATLAS25fto ATLAS N
256705 2025-05-25 19:47:01 ALeRCE S. Jurado, F.E. Bauer, F. Forster et al. ALeRCE ZTF 16:04:38.238 +49:26:46.05 2025-05-25 09:10:10.001 19.9496 g-ZTF PSN SDSS J160439.55+492653.3 ZTF25aarxine ZTF Early SN candidate (g-rise > 0.26+-0.06 mag/day, r-rise > 0.22+-0.05 mag/day) classified using ALeRCE's stamp classifier (Carrasco-Davis et al. 2021) and the public ZTF stream. Discovery image and light curve in http://alerce.online/object/ZTF25aarxine 2025TNSTR1949....1J N
Classification Reports
ID Time received (UT) Sender Classifier/s Group Classification Redshift Spectra Related files Assoc. Groups End prop. period Remarks ADS Bibcode
21232 2025-06-05 13:15:37 Jacob Wise Jacob Wise (LJMU), Daniel Perley (LJMU), K-Ryan Hinds (LJMU), Aleksandra Bochenek (LJMU), Zoe McGrath (LJMU) ZTF SN Ia 0.082232 1 ZTF Spectrum displays Fe II features and Si II absorption characteristic of a SN Ia. Redshift of z = 0.082232 ± 0.000258 from SDSS-IV MaNGA: a catalogue of spectroscopically detected strong galaxy-galaxy lens candidates. 2025TNSCR2116....1W
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
21232 2025-06-05 03:15:23 LT / SPRAT Daniel Perley, Jacob Wise, K-Ryan Hinds, Aleksandra Bochenek, Zoe McGrath Jacob Wise ZTF tns_2025lzc_2025-06-05_03-15-23.469_LT_SPRAT_ZTF.spec Object

Comments

TNS
System

Object coordinates updated

Object coordinates updated according to AT-report 257744 of Group Pan-STARRS
Previous RA, DEC: 16:04:38.238, +49:26:46.05 (241.15932667182, +49.446125948471)
Updated RA, DEC: 16:04:38.226, +49:26:46.09 (241.159274544, +49.4461357422)