RA/DEC (2000)
13:41:02.619 +14:54:05.16
205.260910835 +14.901434381
Type
SN II
Redshift
0.042
Discovery ReportClassification Report
Related AstroNotes: 2025-150, 2025-164
Reporting Group
ATLAS
Discovering Data Source
ATLAS
Discovery Date
2025-05-13 09:42:33.120
TNS AT
Y
Public
Y
Discovery Mag
18.427
Filter
orange-ATLAS
Reporter/s
J. Tonry, L. Denneau, H. Weiland, R. Siverd (IfA, University of Hawaii), N. Erasmus, W. Koorts (South African Astronomical Observatory), A. Jordan, V. Suc (UAI, Obstech), S. J. Smartt, K. W. Smith (Oxford/QUB), D. R. Young, M. Nicholl, M. Fulton, M. McCollum, T. Moore, J. Weston, X. Sheng, C. R. Angus, A. Wilson, A. Aamer, D. Magill (QUB), P. Ramsden (Birmingham/QUB), L. Shingles (GSI/QUB), S. Srivastav, J. H. Gillanders, H. Stevance, A. J. Cooper, F. Stoppa, J. Tweddle (Oxford), L. Rhodes (TSI/McGill), A. Rest (STScI), T.-W. Chen (NCU), C. Stubbs (Harvard), J. S. Sommer (LMU), B. P. Schmidt (ANU)
NEDSIMBADDECaLSPanSTARRS-1SkyMapperVizieRWISEDSSADS

Spectra

 ▌SN_2025kne - 2025-05-30 02:55:49 ESO-NTT / EFOSC2-NTT (ePESSTO+)z=
 ▌SN_2025kne - 2025-05-20 04:16:34 ESO-NTT / EFOSC2-NTT (ePESSTO+)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

 ▌PS2_GPC2_w
 ▌GOTO-N_GOTO-1_L
 ▌P48_ZTF-Cam_r
 ▌P48_ZTF-Cam_g
 ▌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
21205 2025-05-30 02:55:49 ESO-NTT / EFOSC2-NTT 1800 Stefano Pio Cosentino, Callum Francis Aster Amar Aryan, Yu-Hsing Lee, Cheng-Han Lai, Ting-Wan Chen ePESSTO+ tns_2025kne_2025-05-30_02-55-49_ESO-NTT_EFOSC2-NTT_ePESSTO+.asci tns_2025kne_2025-05-30_02-55-49_ESO-NTT_EFOSC2-NTT_ePESSTO+.fits Object
21068 2025-05-20 04:16:34 ESO-NTT / EFOSC2-NTT 600 Stefano Pio Cosentino, Callum Francis Aster Amar Aryan, Ting-Wan Chen, Yu-Hsing Lee, Cheng-Han Lai, Meng-Han Lee, Jie-Lin Yang ePESSTO+ tns_2025kne_2025-05-20_04-16-34_ESO-NTT_EFOSC2-NTT_ePESSTO+.asci tns_2025kne_2025-05-20_04-16-34_ESO-NTT_EFOSC2-NTT_ePESSTO+.fits Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
w-P1 PS2_GPC2 2025-05-19 06:23:14 - 2025-05-19 06:23:14 2460814.76613 - 2460814.76613 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
489355 2025-05-19 06:23:14 2460814.76613 18.09 0.01 22 ABMag w-P1 PS2_GPC2 45 Robot
L-GOTO GOTO-N_GOTO-1 2025-05-12 02:41:51 - 2025-05-13 22:03:35 2460807.612395 - 2460809.419162 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
488712 2025-05-13 22:03:35 2460809.419162 18.41 0.12 ABMag L-GOTO GOTO-N_GOTO-1 180
488711 2025-05-12 02:41:51 2460807.612395 16.4 ABMag L-GOTO GOTO-N_GOTO-1 180 [Last non detection]
r-ZTF P48_ZTF-Cam 2025-05-11 09:08:01 - 2025-05-11 09:08:01 2460806.8805671 - 2460806.8805671 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
488948 2025-05-11 09:08:01 2460806.8805671 16.132 ABMag r-ZTF P48_ZTF-Cam [Last non detection]
g-ZTF P48_ZTF-Cam 2025-05-15 05:08:16 - 2025-05-19 06:58:59 2460810.7140741 - 2460814.7909606 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
488950 2025-05-19 06:58:59 2460814.7909606 18.045 0.093062 ABMag g-ZTF P48_ZTF-Cam
488949 2025-05-15 05:08:16 2460810.7140741 18.1342 0.0710339 ABMag g-ZTF P48_ZTF-Cam
orange-ATLAS ATLAS-MLO_ATLAS-01 2025-05-12 10:31:20 - 2025-05-12 10:31:20 2460807.93843 - 2460807.93843 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
488544 2025-05-12 10:31:20 2460807.93843 17.33 ABMag orange-ATLAS ATLAS-MLO_ATLAS-01 30 Robot [Last non detection]
orange-ATLAS ATLAS-HKO_ATLAS-02 2025-05-13 09:42:33 - 2025-05-13 09:42:33 2460808.90455 - 2460808.90455 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
488545 2025-05-13 09:42:33 2460808.90455 18.427 0.169 18.66 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
255609 2025-05-20 23:13:28 PS1_Bot1 K. C. Chambers,T. de Boer,J. Fairlamb et al. Pan-STARRS Pan-STARRS 13:41:02.619 +14:54:05.16 2025-05-19 06:23:13.632 18.09 w-P1 PSN PS25cun Pan-STARRS N
255399 2025-05-19 07:33:54 Fritz Nabeel Rehemtulla (CIERA,NU),Jesper Sollerman (SU) et al. ZTF ZTF 13:41:02.639 +14:54:05.18 2025-05-15 05:08:16.002 18.1342 g-ZTF PSN ZTF25aaqbwzn ZTF Bright (m_peak <= 18.5) transient candidate identified autonomously by BTSbot (Rehemtulla et al. 2024; arXiv:2401.15167). N
255232 2025-05-17 13:03:18 GOTO_bot A. Kumar,D. O'Neill,K. Ackley et al. GOTO GOTO 13:41:02.604 +14:54:05.26 2025-05-13 22:03:35.424 18.41 L-GOTO Other GOTO25crf GOTO N
255152 2025-05-16 18:55:36 ATLAS_Bot1 J. Tonry,L. Denneau,H. Weiland et al. ATLAS ATLAS 13:41:02.633 +14:54:05.21 2025-05-13 09:42:33.120 18.427 orange-ATLAS PSN ATLAS25ezd ATLAS 2025TNSTR1803....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
21205 2025-05-31 16:05:23 ePESSTOplus_Bot1 Stefano Pio Cosentino, Callum Francis Aster, Amar Aryan, Yu-Hsing Lee, Cheng-Han Lai, Ting-Wan Chen, O. Yaron on behalf of ePESSTO+ ePESSTO+ SN II 0.042 1 Add ePESSTO+ 2025TNSCR2056....1C
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
21205 2025-05-30 02:55:49 ESO-NTT / EFOSC2-NTT 1800 Stefano Pio Cosentino, Callum Francis Aster Amar Aryan, Yu-Hsing Lee, Cheng-Han Lai, Ting-Wan Chen ePESSTO+ tns_2025kne_2025-05-30_02-55-49_ESO-NTT_EFOSC2-NTT_ePESSTO+.asci tns_2025kne_2025-05-30_02-55-49_ESO-NTT_EFOSC2-NTT_ePESSTO+.fits Object
21068 2025-05-20 18:16:16 ePESSTOplus_Bot1 Stefano Pio Cosentino, Callum Francis Aster, Amar Aryan, Ting-Wan Chen, Yu-Hsing Lee, Cheng-Han Lai, Meng-Han Lee, Jie-Lin Yang, Ofer Yaron on behalf of ePESSTO+ ePESSTO+ SN 0.042 1 Add ePESSTO+ 2025TNSCR1857....1C
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
21068 2025-05-20 04:16:34 ESO-NTT / EFOSC2-NTT 600 Stefano Pio Cosentino, Callum Francis Aster Amar Aryan, Ting-Wan Chen, Yu-Hsing Lee, Cheng-Han Lai, Meng-Han Lee, Jie-Lin Yang ePESSTO+ tns_2025kne_2025-05-20_04-16-34_ESO-NTT_EFOSC2-NTT_ePESSTO+.asci tns_2025kne_2025-05-20_04-16-34_ESO-NTT_EFOSC2-NTT_ePESSTO+.fits Object

Comments

TNS
System

Tue, 05/20/2025 - 23:13

Object coordinates updated

Object coordinates updated according to AT-report 255609 of Group Pan-STARRS
Previous RA, DEC: 13:41:02.639, +14:54:05.18 (205.2609961, +14.9014394)
Updated RA, DEC: 13:41:02.619, +14:54:05.16 (205.260910835, +14.901434381)

TNS
System

Mon, 05/19/2025 - 07:33

Object coordinates updated

Object coordinates updated according to AT-report 255399 of Group ZTF
Previous RA, DEC: 13:41:02.633, +14:54:05.21 (205.26097, +14.9014476923)
Updated RA, DEC: 13:41:02.639, +14:54:05.18 (205.2609961, +14.9014394)