RA/DEC (2000)
14:37:59.938 +14:27:17.49
219.499739684 +14.4548594478
Type
SN Ia
Redshift
0.052
Reporting Group
GOTO
Discovering Data Source
GOTO
Discovery Date
2025-04-17 22:42:27.360
TNS AT
Y
Public
Y
Discovery Mag
18.54
Filter
L-GOTO
Reporter/s
D. O'Neill, K. Ackley, M. Dyer, J. Lyman, K. Ulaczyk, D. Steeghs, D. Galloway, V. Dhillon, P. O'Brien, G. Ramsay, K. Noysena, R. Kotak, R. Breton, J. Casares, L. Nuttall, B. Godson, T. Killestein, A. Kumar, M. Pursiainen, on behalf of GOTO collaboration

Spectra

 SN_2025hnv - 2025-04-21 19:12:07 Lijiang-2.4m / YFOSC (LiONS)z=
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   Binning factor: (rounded to nearest integer >1)
Mouse hovers at WL: 0 (rest),0 (observed)

Light curves

 GOTO-S_GOTO-3_L
 PS2_GPC2_r
 ATLAS-CHL_ATLAS-04_orange
 GOTO-N_GOTO-1_L
 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
20879 2025-04-21 19:12:07 Lijiang-2.4m / YFOSC Jujia Zhang LiONS tns_2025hnv_2025-04-21_19-12-07.352_Lijiang-2.4m_YFOSC_LiONS.dat Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
L-GOTO GOTO-S_GOTO-3 2025-04-16 13:18:23 - 2025-04-16 13:18:23 2460782.054435 - 2460782.054435 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
482488 2025-04-16 13:18:23 2460782.054435 18.8 ABMag L-GOTO GOTO-S_GOTO-3 180 [Last non detection]
r-P1 PS2_GPC2 2025-04-28 08:41:53 - 2025-04-28 08:41:53 2460793.86242 - 2460793.86242 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
484600 2025-04-28 08:41:53 2460793.86242 17.66 0.03 20.6 ABMag r-P1 PS2_GPC2 27 Robot
orange-ATLAS ATLAS-CHL_ATLAS-04 2025-04-18 04:39:01 - 2025-04-18 04:39:01 2460783.69376 - 2460783.69376 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
482501 2025-04-18 04:39:01 2460783.69376 18.562 0.159 18.86 ABMag orange-ATLAS ATLAS-CHL_ATLAS-04 30 Robot
L-GOTO GOTO-N_GOTO-1 2025-04-17 22:42:27 - 2025-04-17 22:42:27 2460783.446146 - 2460783.446146 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
482489 2025-04-17 22:42:27 2460783.446146 18.54 0.09 ABMag L-GOTO GOTO-N_GOTO-1 180
r-ZTF P48_ZTF-Cam 2025-04-10 09:07:05 - 2025-04-15 08:40:07 2460775.879919 - 2460780.8611921 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
482847 2025-04-15 08:40:07 2460780.8611921 19.3432 0.244509 ABMag r-ZTF P48_ZTF-Cam
482846 2025-04-10 09:07:05 2460775.879919 19.5996 ABMag r-ZTF P48_ZTF-Cam [Last non detection]
g-ZTF P48_ZTF-Cam 2025-04-20 07:49:22 - 2025-04-20 07:49:22 2460785.8259491 - 2460785.8259491 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
482848 2025-04-20 07:49:22 2460785.8259491 18.1706 0.0644151 ABMag g-ZTF P48_ZTF-Cam
orange-ATLAS ATLAS-HKO_ATLAS-02 2025-04-15 14:41:39 - 2025-04-15 14:41:39 2460781.11226 - 2460781.11226 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
482500 2025-04-15 14:41:39 2460781.11226 18.46 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 ADS Bibcode Unreal Auto classification
252881 2025-04-28 22:55:35 YSE_Bot1 D. O. Jones (UC Santa Cruz),K. D. French (Carnegie,Illinois) et al. YSE Pan-STARRS 14:37:59.938 +14:27:17.49 2025-04-28 08:41:53.088 17.66 r-P1 PSN PS25bsu Pan-STARRS N
252023 2025-04-20 07:59:41 Fritz Nabeel Rehemtulla (CIERA,NU),Christoffer Fremling (Caltech) et al. ZTF ZTF 14:37:59.946 +14:27:17.53 2025-04-15 08:40:06.997 19.3432 r-ZTF PSN ZTF25aankqhe ZTF Bright (m_peak <= 18.5) transient candidate identified autonomously by BTSbot (Rehemtulla et al. 2024; arXiv:2401.15167). N
251816 2025-04-18 09:30:17 ATLAS_Bot1 J. Tonry,L. Denneau,H. Weiland et al. ATLAS ATLAS 14:37:59.974 +14:27:17.16 2025-04-18 04:39:00.864 18.562 orange-ATLAS PSN ATLAS25dxf ATLAS N
251810 2025-04-17 23:54:20 GOTO_bot D. O'Neill,K. Ackley,M. Dyer et al. GOTO GOTO 14:37:59.930 +14:27:17.29 2025-04-17 22:42:27.360 18.54 L-GOTO Other GOTO25bxc GOTO 2025TNSTR1413....1O N
Classification Reports
ID Time received (UT) Sender Classifier/s Group Classification Redshift Spectra Related files Assoc. Groups End prop. period Remarks ADS Bibcode
20879 2025-04-22 02:06:49 Liping Li Liping Li, Qian Zhai, Jujia Zhang (YNAO); Xiaofeng Wang(THU) LiONS SN Ia 0.052 1 LiONS The spectrum matches a normal SN Ia at around peak brightness (e.g., SN 2005bo at t = 0d and SN 2007fs at t = +3d via SNID). 2025TNSCR1499....1L
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
20879 2025-04-21 19:12:07 Lijiang-2.4m / YFOSC Jujia Zhang LiONS tns_2025hnv_2025-04-21_19-12-07.352_Lijiang-2.4m_YFOSC_LiONS.dat Object

Comments

TNS
System

Object coordinates updated

Object coordinates updated according to AT-report 252881 of Group Pan-STARRS
Previous RA, DEC: 14:37:59.946, +14:27:17.53 (219.4997757, +14.4548707)
Updated RA, DEC: 14:37:59.938, +14:27:17.49 (219.499739684, +14.4548594478)

TNS
System

Object coordinates updated

Object coordinates updated according to AT-report 252023 of Group ZTF
Previous RA, DEC: 14:37:59.974, +14:27:17.16 (219.49989, +14.4547657143)
Updated RA, DEC: 14:37:59.946, +14:27:17.53 (219.4997757, +14.4548707)

TNS
System

Object coordinates updated

Object coordinates updated according to AT-report 251816 of Group ATLAS
Previous RA, DEC: 14:37:59.930, +14:27:17.29 (219.49971, +14.454803)
Updated RA, DEC: 14:37:59.974, +14:27:17.16 (219.49989, +14.4547657143)