RA/DEC (2000)
23:18:40.211 +27:38:48.53
349.6675472 +27.6468144
Type
SN Ia
Redshift
0.0666
Discovery ReportClassification Report
Related AstroNotes: DRAFT-2349, 2025-332
Reporting Group
LAST
Discovering Data Source
LAST
Discovery Date
2025-11-18 16:51:24.768
TNS AT
Y
Public
Y
Discovery Mag
18.72
Filter
Clear-
Reporter/s
E. O. Ofek (WIS), R. Konno (WIS), E. A. Zimmerman (WIS), A. Horowicz (WIS), S. Garrappa (WIS), S. Ben-Ami (WIS), D. Polishook (WIS), O. Yaron (WIS), P. Chen (WIS), A. Krassilchtchikov (WIS), Y. M. Shani (WIS), E. Segre (WIS), A. Gal-Yam (WIS), S. Spitzer (WIS), and K. Rybicki (WIS) on behalf of the LAST Collaboration
NEDSIMBADDECaLSPanSTARRS-1SkyMapperVizieRWISEDSSADS

Spectra

 ▌SN_2025aedq - 2025-11-29 04:58:25 P60 / SEDM (ZTF)z=
 ▌SN_2025aedq - 2025-11-24 00:00:00 FLWO-1.5m / FAST (VHU-TDA)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

 ▌LAST_LAST-Cam_Clear
 ▌P48_ZTF-Cam_r
 ▌P48_ZTF-Cam_g
 ▌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
22467 2025-11-29 04:58:25 P60 / SEDM 2700 SEDmRobot auto ZTF tns_2025aedq_2025-11-29_04-58-24.884975_P60_SEDM_ZTF.ascii Object
22492 2025-11-24 00:00:00 FLWO-1.5m / FAST 1500 Gilbert Esquerdo, Perry Berlind S. Karthik Yadavalli, Harsh Kumar VHU-TDA tns_2025aedq_2025-11-24_FLWO-1.5m_FAST_VHU-TDA.ascii Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
Clear- LAST_LAST-Cam 2025-10-31 19:15:51 - 2025-11-18 16:51:25 2460980.30267 - 2460998.20237 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
532387 2025-11-18 16:51:25 2460998.20237 18.72 ABMag Clear- LAST_LAST-Cam 400
532386 2025-10-31 19:15:51 2460980.30267 19.69 ABMag Clear- LAST_LAST-Cam 400 [Last non detection]
r-ZTF P48_ZTF-Cam 2025-11-24 04:27:18 - 2025-12-07 03:51:03 2461003.685625 - 2461016.6604514 3
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
536444 2025-12-07 03:51:03 2461016.6604514 18.5999 0.157667 ABMag r-ZTF P48_ZTF-Cam
533555 2025-11-24 04:27:18 2461003.685625 18.5213 0.105742 ABMag r-ZTF P48_ZTF-Cam
536443 2025-11-24 04:27:18 2461003.685625 18.5213 0.105742 ABMag r-ZTF P48_ZTF-Cam
g-ZTF P48_ZTF-Cam 2025-11-13 05:14:17 - 2025-11-25 04:12:17 2460992.7182523 - 2461004.6751968 3
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
533556 2025-11-25 04:12:17 2461004.6751968 18.6234 0.0819562 ABMag g-ZTF P48_ZTF-Cam
533554 2025-11-13 05:14:17 2460992.7182523 17.6333 ABMag g-ZTF P48_ZTF-Cam [Last non detection]
536442 2025-11-13 05:14:17 2460992.7182523 17.6333 ABMag g-ZTF P48_ZTF-Cam [Last non detection]
cyan-ATLAS ATLAS-HKO_ATLAS-02 2025-11-11 08:36:52 - 2025-11-16 07:11:54 2460990.85894 - 2460995.79993 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
542415 2025-11-16 07:11:54 2460995.79993 19.063 0.158 19.52 ABMag cyan-ATLAS ATLAS-HKO_ATLAS-02 30 Robot
542414 2025-11-11 08:36:52 2460990.85894 19.4 ABMag cyan-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
282215 2025-12-25 11:03:58 ATLAS_Bot1 J. Tonry, L. Denneau, H. Weiland (IfA, University of Hawaii) et al. ATLAS ATLAS 23:18:40.212 +27:38:47.80 2025-11-16 07:11:53.952 19.063 cyan-ATLAS PSN ATLAS25qfb ATLAS N
279519 2025-12-07 06:58:32 Fritz Jesper Sollerman (SU), Christoffer Fremling (Caltech), Daniel Perley (LJMU) et al. ZTF ZTF 23:18:40.211 +27:38:48.53 2025-11-24 04:27:17.999 18.5213 r-ZTF PSN ZTF25acgdlrk ZTF N
278160 2025-11-25 05:07:16 Fritz Jesper Sollerman (SU), Christoffer Fremling (Caltech), Daniel Perley (LJMU) et al. ZTF ZTF 23:18:40.202 +27:38:47.54 2025-11-24 04:27:17.999 18.5213 r-ZTF PSN ZTF18abffdjl ZTF N
277581 2025-11-18 19:34:00 LAST_Bot1 E. O. Ofek (WIS), R. Konno (WIS), E. A. Zimmerman (WIS) et al. LAST LAST 23:18:40.181 +27:38:47.61 2025-11-18 16:51:24.768 18.72 Clear- PSN LAST Nuclear? 2025TNSTR4637....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
22491 2025-12-02 01:18:29 VHU-TDA Yize Dong, Anya Nugent, V. Ashley Villar, S. Karthik Yadavalli, Alex Gagliano, Kaylee de Soto, Danielle Frostig, Harsh Kumar, Peter Blanchard VHU-TDA SN Ia 0.0666 1 1 VHU-TDA redshift measured from the narrow host lines 2025TNSCR4810....1D
Related files
File Comments Last Modified (UT) Modified By
tns_2025aedq_atrep_22491_VHU-TDA.png 2025-12-02 01:18:33 VHU-TDA
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
22492 2025-11-24 00:00:00 FLWO-1.5m / FAST 1500 Gilbert Esquerdo, Perry Berlind S. Karthik Yadavalli, Harsh Kumar VHU-TDA tns_2025aedq_2025-11-24_FLWO-1.5m_FAST_VHU-TDA.ascii Object
22466 2025-11-29 05:51:34 ZTF_Bot1 C. Fremling, D. Neill, Y. Sharma on behalf of the SEDM Team (Caltech) and the Zwicky Transient Facility (ZTF) based on SNIascore ZTF SN Ia 0.07 1 ZTF 2025TNSCR4763....1F
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
22467 2025-11-29 04:58:25 P60 / SEDM 2700 SEDmRobot auto ZTF tns_2025aedq_2025-11-29_04-58-24.884975_P60_SEDM_ZTF.ascii Object

Comments

TNS
System

Sun, 12/07/2025 - 06:58

Object coordinates updated

Object coordinates updated according to AT-report 279519 of Group ZTF
Previous RA, DEC: 23:18:40.202, +27:38:47.54 (349.6675094, +27.6465397)
Updated RA, DEC: 23:18:40.211, +27:38:48.53 (349.6675472, +27.6468144)

TNS
System

Tue, 11/25/2025 - 05:07

Object coordinates updated

Object coordinates updated according to AT-report 278160 of Group ZTF
Previous RA, DEC: 23:18:40.181, +27:38:47.61 (349.66741943359, +27.646558761597)
Updated RA, DEC: 23:18:40.202, +27:38:47.54 (349.6675094, +27.6465397)