RA/DEC (2000)
08:42:45.588 -04:49:11.56
130.689951487 -4.8198764442
Type
TDE-He
Redshift
0.2
Discovery ReportClassification Report
Related AstroNotes: 2025-77
Reporting Group
ALeRCE
Discovering Data Source
ZTF
Discovery Date
2025-02-18 07:44:14.004
TNS AT
Y
Public
Y
Discovery Mag
20.2925
Filter
r-ZTF
Reporter/s
S. Jurado, F.E. Bauer, F. Forster, G. Pignata, A. Munoz-Arancibia, A. Mourao, L. Hernandez-Garcia, L. Galbany, J. Silva-Farfan, R. Dastidar, J.P. Brandt, A. Alvarez, G. Cabrera-Vives, R. Carrasco-Davis, P.A. Estevez, B. Gamboa, P. Huijse, H. Larranaga, C. Mansilla, K. Medina, D. Moreno, E. Munoz, E. Pizarro, I. Reyes, P. Sanchez-Saez, D. Rodriguez-Mancini, M. Catelan, S. Eyheramendy, M.J. Graham on behalf of the ALeRCE broker
NEDSIMBADDECaLSPanSTARRS-1SkyMapperVizieRWISEDSSADS

Spectra

 ▌TDE_2025ccg - 2025-02-28 00:00:00 LT / SPRAT (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

 ▌LAST_LAST-Cam_Clear
 ▌GOTO-S_GOTO-4_L
 ▌ATLAS-STH_ATLAS-03_cyan
 ▌GOTO-N_GOTO-1_L
 ▌P48_ZTF-Cam_r
 ▌P48_ZTF-Cam_g
 ▌ATLAS-MLO_ATLAS-01_orange
 ▌PS1_GPC1_w
   
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
20524 2025-02-28 00:00:00 LT / SPRAT LT C. Angus None tns_2025ccg_2025-02-28_LT_SPRAT_None.dat Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
Clear- LAST_LAST-Cam 2025-01-28 00:07:41 - 2025-03-02 17:50:32 2460703.50533 - 2460737.24343 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
473231 2025-03-02 17:50:32 2460737.24343 18.89 ABMag Clear- LAST_LAST-Cam 400
473230 2025-01-28 00:07:41 2460703.50533 20.09 ABMag Clear- LAST_LAST-Cam 400 [Last non detection]
L-GOTO GOTO-S_GOTO-4 2025-02-17 15:04:11 - 2025-02-17 15:04:11 2460724.127899 - 2460724.127899 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
473468 2025-02-17 15:04:11 2460724.127899 19.6 ABMag L-GOTO GOTO-S_GOTO-4 180 [Last non detection]
cyan-ATLAS ATLAS-STH_ATLAS-03 2025-02-22 21:20:00 - 2025-02-22 21:20:00 2460729.38889 - 2460729.38889 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
471067 2025-02-22 21:20:00 2460729.38889 19.16 0.136 19.64 ABMag cyan-ATLAS ATLAS-STH_ATLAS-03 30 Robot
L-GOTO GOTO-N_GOTO-1 2025-02-21 00:09:43 - 2025-02-21 00:09:43 2460727.506749 - 2460727.506749 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
473469 2025-02-21 00:09:43 2460727.506749 19.6 0.2 ABMag L-GOTO GOTO-N_GOTO-1 180
r-ZTF P48_ZTF-Cam 2025-02-17 07:07:02 - 2025-02-19 05:38:41 2460723.7965509 - 2460725.7351968 5
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
469968 2025-02-19 05:38:41 2460725.7351968 20.1005 0.263883 20.151 ABMag r-ZTF P48_ZTF-Cam 30 Robot Data provided by ZTF
469967 2025-02-18 07:44:14 2460724.8223843 20.2925 0.367144 20.0789 ABMag r-ZTF P48_ZTF-Cam 30 Robot Data provided by ZTF
471491 2025-02-18 07:44:14 2460724.8223843 20.2925 0.367144 20.0789 ABMag r-ZTF P48_ZTF-Cam 30 Robot Data provided by ZTF, classified by Fink
469966 2025-02-17 07:07:02 2460723.7965509 17.9643 ABMag r-ZTF P48_ZTF-Cam 30 Robot [Last non detection] Data provided by ZTF
471490 2025-02-17 07:07:02 2460723.7965509 17.9643 ABMag r-ZTF P48_ZTF-Cam 30 Robot [Last non detection] Data provided by ZTF, classified by Fink
g-ZTF P48_ZTF-Cam 2025-02-19 06:30:23 - 2025-02-19 06:30:23 2460725.7710995 - 2460725.7710995 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
469969 2025-02-19 06:30:23 2460725.7710995 20.036 0.203336 20.0809 ABMag g-ZTF P48_ZTF-Cam 30 Robot Data provided by ZTF
orange-ATLAS ATLAS-MLO_ATLAS-01 2025-02-20 09:42:43 - 2025-02-20 09:42:43 2460726.90466 - 2460726.90466 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
471066 2025-02-20 09:42:43 2460726.90466 19.53 ABMag orange-ATLAS ATLAS-MLO_ATLAS-01 30 Robot [Last non detection]
w-P1 PS1_GPC1 2025-03-04 06:51:08 - 2025-03-04 06:51:08 2460738.78551 - 2460738.78551 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
477779 2025-03-04 06:51:08 2460738.78551 18.57 0.03 22 ABMag w-P1 PS1_GPC1 45 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
249299 2025-03-22 17:31:07 PS1_Bot1 K. C. Chambers,T. de Boer,J. Fairlamb et al. Pan-STARRS Pan-STARRS 08:42:45.588 -04:49:11.56 2025-03-04 06:51:08.064 18.57 w-P1 PSN PS25amr Pan-STARRS N
246737 2025-03-05 09:58:41 GOTO_bot T. Killestein,D. O'Neill,K. Ackley et al. GOTO GOTO 08:42:45.590 -04:49:11.46 2025-02-21 00:09:43.200 19.6 L-GOTO Other GOTO25aza GOTO N
246613 2025-03-03 10:05:20 LAST_Bot1 R. Konno (WIS),E. Zimmerman (WIS),A. Horowicz (WIS) et al. LAST LAST 08:42:45.585 -04:49:10.86 2025-03-02 17:50:32.352 18.89 Clear- PSN LAST N
245807 2025-02-24 19:28:54 Fink Julien Peloton,Anais Moller,Emille E. O. Ishida on behalf of the Fink broker et al. Fink ZTF 08:42:45.593 -04:49:11.54 2025-02-18 07:44:14.004 20.2925 r-ZTF PSN ZTF25aafywpr ZTF Early SN Ia candidate classified by Fink using the public ZTF stream. Object data at https://fink-portal.org/ZTF25aafywpr N
245647 2025-02-23 10:54:59 ATLAS_Bot1 J. Tonry,L. Denneau,H. Weiland et al. ATLAS ATLAS 08:42:45.622 -04:49:11.66 2025-02-22 21:20:00.096 19.16 cyan-ATLAS PSN ATLAS25bxk ATLAS N
245120 2025-02-20 03:28:00 ALeRCE S. Jurado,F.E. Bauer,F. Forster et al. ALeRCE ZTF 08:42:45.598 -04:49:11.56 2025-02-18 07:44:14.004 20.2925 r-ZTF PSN ZTF25aafywpr ZTF SN candidate classified using ALeRCE's stamp classifier (Carrasco-Davis et al. 2021) and the public ZTF stream. Discovery image and light curve in http://alerce.online/object/ZTF25aafywpr 2025TNSTR.688....1J N
Classification Reports
ID Time received (UT) Sender Classifier/s Group Classification Redshift Spectra Related files Assoc. Groups End prop. period Remarks ADS Bibcode
20524 2025-03-03 17:08:23 Charlotte Angus C. Angus, X. Sheng, M. Nicholl None TDE-He 0.2 1 Spectrum taken with LT/SPRAT on 28/02/2025. Spectrum shows a blue continuum with a blended He II + N III emission feature, with good template matches TDE-He templates in SNID at z=0.2. 2025TNSCR.875....1A
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
20524 2025-02-28 00:00:00 LT / SPRAT LT C. Angus None tns_2025ccg_2025-02-28_LT_SPRAT_None.dat Object

Comments

TNS
System

Sat, 03/22/2025 - 17:31

Object coordinates updated

Object coordinates updated according to AT-report 249299 of Group Pan-STARRS
Previous RA, DEC: 08:42:45.593, -04:49:11.54 (130.68996904444, -4.8198714777778)
Updated RA, DEC: 08:42:45.588, -04:49:11.56 (130.689951487, -4.8198764442)

TNS
System

Mon, 02/24/2025 - 19:28

Object coordinates updated

Object coordinates updated according to AT-report 245807 of Group ZTF
Previous RA, DEC: 08:42:45.598, -04:49:11.56 (130.68999153429, -4.8198768979247)
Updated RA, DEC: 08:42:45.593, -04:49:11.54 (130.68996904444, -4.8198714777778)