RA/DEC (2000)
16:52:47.004 +68:05:03.93
253.1958519 +68.0844249
Type
SN Ia
Redshift
0.096
Discovery ReportClassification Report
Reporting Group
ATLAS
Discovering Data Source
ATLAS
Discovery Date
2026-05-06 11:37:31.296
TNS AT
Y
Public
Y
Discovery Mag
18.813
Filter
orange-ATLAS
Reporter/s
J. Tonry, L. Denneau, H. Weiland (IfA, University of Hawaii), N. Erasmus, W. Koorts (South African Astronomical Observatory), A. Jordan, V. Suc (UAI, Obstech), M. R. Alarcón, J. Licandro, P. Nichita (IAC), 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, P. J. Broda, A. J. Smith (QUB), P. Ramsden (Birmingham/QUB), L. Shingles (GSI/QUB), S. Srivastav, J. H. Gillanders, H. Stevance, A. J. Cooper, F. Stoppa, J. Tweddle, L. Eastman (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_2026lnh - 2026-05-12 22:41:58 Other / Other (None)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

 ▌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
23705 2026-05-12 22:41:58 Other / Other 7200 E Soubrouillard E soubrouillard None tns_2026lnh_2026-05-12_22-41-58_Other_Other_None.dat tns_2026lnh_2026-05-12_22-41-58_Other_Other_None.fits Object 2026-05-13 Spectrum taken using an Alpy 200 grism slit spectrograph (R=130) and a 0.3 m aperture Newton telescope in Pic des Fées observatory - Hyères - France.
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
r-ZTF P48_ZTF-Cam 2026-04-24 11:13:54 - 2026-04-28 09:15:47 2461154.9679861 - 2461158.8859606 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
580007 2026-04-28 09:15:47 2461158.8859606 20.0997 0.214657 ABMag r-ZTF P48_ZTF-Cam
580006 2026-04-24 11:13:54 2461154.9679861 20.5764 ABMag r-ZTF P48_ZTF-Cam [Last non detection]
g-ZTF P48_ZTF-Cam 2026-05-07 08:27:38 - 2026-05-07 08:27:38 2461167.8525231 - 2461167.8525231 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
580008 2026-05-07 08:27:38 2461167.8525231 18.8582 0.0888997 ABMag g-ZTF P48_ZTF-Cam
orange-ATLAS ATLAS-MLO_ATLAS-01 2026-05-04 11:42:50 - 2026-05-04 11:42:50 2461164.98808 - 2461164.98808 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
580000 2026-05-04 11:42:50 2461164.98808 18.9 ABMag orange-ATLAS ATLAS-MLO_ATLAS-01 30 Robot [Last non detection]
orange-ATLAS ATLAS-HKO_ATLAS-02 2026-05-06 11:37:31 - 2026-05-06 11:37:31 2461166.98439 - 2461166.98439 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
580001 2026-05-06 11:37:31 2461166.98439 18.813 0.157 19.08 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
302538 2026-05-07 08:56:19 Fritz Jesper Sollerman (SU), Christoffer Fremling (Caltech), Daniel Perley (LJMU) et al. ZTF ZTF 16:52:47.004 +68:05:03.93 2026-04-28 09:15:46.995 20.0997 r-ZTF PSN ZTF26aaumolp ZTF N
302535 2026-05-07 08:38:44 ATLAS_Bot1 J. Tonry, L. Denneau, H. Weiland (IfA, University of Hawaii) et al. ATLAS ATLAS 16:52:47.043 +68:05:04.01 2026-05-06 11:37:31.296 18.813 orange-ATLAS PSN ATLAS26ffh ATLAS 2026TNSTR1966....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
23702 2026-05-13 13:32:35 EMMANUEL SOUBROUILLARD Emmanuel Soubrouillard None SN Ia 0.096 1 3 2026-05-13 Classification using SNID (Blondin and Tonry 2007) gives a good match (RLAP=10) to type Ia-91T SN near maximum. Redshift from SNID iaw host galaxy (WISEA J165246.77+680455.4) photo-z estimate 0.091 uncertainty 0.013 Snid-sage classification reveals a Ia type with a close redshift. I propose a provisional classification of type Ia 2026TNSCR2106....1S
Related files
File Comments Last Modified (UT) Modified By
tns_2026lnh_atrep_23702.png 2026-05-13 13:32:35 EMMANUEL SOUBROUILLARD
tns_2026lnh_atrep_23702_0.png 2026-05-13 13:32:35 EMMANUEL SOUBROUILLARD
tns_2026lnh_atrep_23702_1.png 2026-05-13 13:32:35 EMMANUEL SOUBROUILLARD
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
23705 2026-05-12 22:41:58 Other / Other 7200 E Soubrouillard E soubrouillard None tns_2026lnh_2026-05-12_22-41-58_Other_Other_None.dat tns_2026lnh_2026-05-12_22-41-58_Other_Other_None.fits Object 2026-05-13 Spectrum taken using an Alpy 200 grism slit spectrograph (R=130) and a 0.3 m aperture Newton telescope in Pic des Fées observatory - Hyères - France.

Comments

TNS
System

Thu, 05/07/2026 - 08:56

Object coordinates updated

Object coordinates updated according to AT-report 302538 of Group ZTF
Previous RA, DEC: 16:52:47.043, +68:05:04.01 (253.1960125, +68.0844475)
Updated RA, DEC: 16:52:47.004, +68:05:03.93 (253.1958519, +68.0844249)