RA/DEC (2000)
01:02:16.014 +09:05:50.15
15.5667238212 +9.09726378172
Type
SN Ia
Redshift
0.038824
Discovery ReportClassification Report
Reporting Group
None
Discovering Data Source
None
Discovery Date
2025-11-01 17:51:51.000
TNS AT
Y
Public
Y
Host Name
UGC 640
Host Redshift
0.0388
Discovery Mag
18.49
Filter
Clear-
Reporter/s
Ziyang Mai, Bozhang Shi, Jiaze Fu(Sumdo Obs.)
NEDSIMBADDECaLSPanSTARRS-1SkyMapperVizieRWISEDSSADS

Spectra

 ▌SN_2025aceh - 2025-11-10 21:16:00 BL41 / FOSC-E5535 (None)z=
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   Binning factor: (rounded to nearest integer >1)
Mouse hovers at WL: 0 (rest),0 (observed)

Light curves

 ▌PS2_GPC2_w
 ▌ATLAS-CHL_ATLAS-04_orange
 ▌GOTO-N_GOTO-1_L
 ▌P48_ZTF-Cam_r
 ▌P48_ZTF-Cam_g
 ▌ATLAS-MLO_ATLAS-01_orange
 ▌Other_Other_Clear
   
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
22392 2025-11-10 21:16:00 BL41 / FOSC-E5535 3600 Claudio Balcon Claudio Balcon None tns_2025aceh_2025-11-10_21-16-00_BL41_FOSC-E5535_None.dat tns_2025aceh_2025-11-10_21-16-00_BL41_FOSC-E5535_None.fit Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
w-P1 PS2_GPC2 2025-11-27 04:55:57 - 2025-11-27 04:55:57 2461006.70552 - 2461006.70552 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
540277 2025-11-27 04:55:57 2461006.70552 18.1 0.02 22 ABMag w-P1 PS2_GPC2 45 Robot
orange-ATLAS ATLAS-CHL_ATLAS-04 2025-11-02 02:20:27 - 2025-11-02 02:20:27 2460981.59753 - 2460981.59753 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
529491 2025-11-02 02:20:27 2460981.59753 17.88 ABMag orange-ATLAS ATLAS-CHL_ATLAS-04 30 Robot [Last non detection]
L-GOTO GOTO-N_GOTO-1 2025-10-26 23:31:19 - 2025-11-05 21:56:30 2460975.480078 - 2460985.414238 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
529324 2025-11-05 21:56:30 2460985.414238 17.89 0.06 ABMag L-GOTO GOTO-N_GOTO-1 180
529323 2025-10-26 23:31:19 2460975.480078 20.3 ABMag L-GOTO GOTO-N_GOTO-1 180 [Last non detection]
r-ZTF P48_ZTF-Cam 2025-11-01 07:30:30 - 2025-11-01 07:30:30 2460980.8128472 - 2460980.8128472 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
536204 2025-11-01 07:30:30 2460980.8128472 18.9633 0.108146 ABMag r-ZTF P48_ZTF-Cam
g-ZTF P48_ZTF-Cam 2025-10-03 10:25:17 - 2025-12-06 04:35:29 2460951.9342245 - 2461015.6913079 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
536205 2025-12-06 04:35:29 2461015.6913079 19.5137 0.190312 ABMag g-ZTF P48_ZTF-Cam
536203 2025-10-03 10:25:17 2460951.9342245 20.4057 ABMag g-ZTF P48_ZTF-Cam [Last non detection]
orange-ATLAS ATLAS-MLO_ATLAS-01 2025-11-07 09:36:36 - 2025-11-07 09:36:36 2460986.90042 - 2460986.90042 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
529492 2025-11-07 09:36:36 2460986.90042 17.795 0.116 18.91 ABMag orange-ATLAS ATLAS-MLO_ATLAS-01 30 Robot
Clear- Other_Other 2025-11-01 17:51:51 - 2025-11-01 17:51:51 2460981.2443403 - 2460981.2443403 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
528486 2025-11-01 17:51:51 2460981.2443403 18.49 0.13 VegaMag Clear- Other_Other 120 Sumdo Obs. C11HD + unfiltered CMOS camera.
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
281243 2025-12-18 14:47:47 PS1_Bot1 K. C. Chambers, T. de Boer, J. Fairlamb et al. Pan-STARRS Pan-STARRS 01:02:16.014 +09:05:50.15 2025-11-27 04:55:56.928 18.1 w-P1 PSN PS25irn Pan-STARRS N
279423 2025-12-06 05:00:38 BTSbot_bot Nabeel Rehemtulla (CIERA, NU), Wynn Jacobson-Galán (Caltech), Theophile du Laz (Caltech) on behalf of ZTF ZTF ZTF 01:02:16.013 +09:05:50.31 2025-11-01 07:30:29.998 18.9633 r-ZTF PSN ZTF25accaqyn ZTF Bright (m_peak <= 18.5) transient candidate identified autonomously by BTSbot (Rehemtulla et al. 2024; arXiv:2401.15167). N
275976 2025-11-07 13:24:11 ATLAS_Bot1 J. Tonry, L. Denneau, H. Weiland et al. ATLAS ATLAS 01:02:16.006 +09:05:50.31 2025-11-07 09:36:36.288 17.795 orange-ATLAS PSN ATLAS25nxo ATLAS N
275909 2025-11-06 08:49:19 GOTO_bot D. O'Neill, G. Ramsay, K. Ackley et al. GOTO GOTO 01:02:16.016 +09:05:50.50 2025-11-05 21:56:30.336 17.89 L-GOTO Other GOTO25joz GOTO N
275508 2025-11-01 22:39:38 Ziyang Mai Ziyang Mai, Bozhang Shi, Jiaze Fu(Sumdo Obs.) 01:02:16.030 +09:05:50.30 2025-11-01 17:51:51.000 18.49 Clear- PSN UGC 640 Possible SN in UGC 640 (= PGC 3709). 2025TNSTR4396....1M N
Classification Reports
ID Time received (UT) Sender Classifier/s Group Classification Redshift Spectra Related files Assoc. Groups End prop. period Remarks ADS Bibcode
22391 2025-11-10 21:57:33 Claudio Balcon Claudio Balcon (Belluno A.O. ISSP), Fabio Briganti (ISSP) None SN Ia 0.038824 1 GELATO Harutyunyan et al., 2008, A&A, 488, 383 (gelato@tng.iac.es) suggests that this spectrum resembles that of a type Ia supernova at the redshift of the host galaxy, value from NED. 2025TNSCR4518....1B
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
22392 2025-11-10 21:16:00 BL41 / FOSC-E5535 3600 Claudio Balcon Claudio Balcon None tns_2025aceh_2025-11-10_21-16-00_BL41_FOSC-E5535_None.dat tns_2025aceh_2025-11-10_21-16-00_BL41_FOSC-E5535_None.fit Object

Comments

TNS
System

Thu, 12/18/2025 - 14:47

Object coordinates updated

Object coordinates updated according to AT-report 281243 of Group Pan-STARRS
Previous RA, DEC: 01:02:16.013, +09:05:50.31 (15.5667195, +9.0973079)
Updated RA, DEC: 01:02:16.014, +09:05:50.15 (15.5667238212, +9.09726378172)

TNS
System

Sat, 12/06/2025 - 05:00

Object coordinates updated

Object coordinates updated according to AT-report 279423 of Group ZTF
Previous RA, DEC: 01:02:16.006, +09:05:50.31 (15.56669125, +9.0973075)
Updated RA, DEC: 01:02:16.013, +09:05:50.31 (15.5667195, +9.0973079)

TNS
System

Fri, 11/07/2025 - 13:24

Object coordinates updated

Object coordinates updated according to AT-report 275976 of Group ATLAS
Previous RA, DEC: 01:02:16.016, +09:05:50.50 (15.566734, +9.097361)
Updated RA, DEC: 01:02:16.006, +09:05:50.31 (15.56669125, +9.0973075)

TNS
System

Thu, 11/06/2025 - 08:49

Object coordinates updated

Object coordinates updated according to AT-report 275909 of Group GOTO
Previous RA, DEC: 01:02:16.030, +09:05:50.30 (15.566792, +9.097306)
Updated RA, DEC: 01:02:16.016, +09:05:50.50 (15.566734, +9.097361)