RA/DEC (2000)
21:37:44.987 -18:11:11.26
324.437443756 -18.1864616137
Type
---
Redshift
0.054
Related AstroNotes: 2025-218, 2025-256
Reporting Group
ALeRCE
Discovering Data Source
ZTF
Discovery Date
2025-06-29 11:04:29.004
TNS AT
Y
Public
Y
Host Name
WISEA J213744.97-181112.1
Discovery Mag
19.4928
Filter
g-ZTF
Reporter/s
F. Forster, F.E. Bauer, 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

Spectra

 AT_2025pjf - 2025-08-13 07:31:39 ESO-NTT / EFOSC2-NTT (ePESSTO+)z=
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Show [Ca II] at z=vexp= km/s
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   Binning factor: (rounded to nearest integer >1)
Mouse hovers at WL: 0 (rest),0 (observed)

Light curves

 ATLAS-CHL_ATLAS-04_orange
 ATLAS-STH_ATLAS-03_cyan
 P48_ZTF-Cam_r
 P48_ZTF-Cam_g
 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
21780 2025-08-13 07:31:39 ESO-NTT / EFOSC2-NTT 1200 Joyce Naomi Dominique van Dalen, Daniele Bjørn Malesani Antonio Martin-Carrillo, Gregory Corcoran, Laura Cotter, Morgan Fraser ePESSTO+ tns_2025pjf_2025-08-13_07-31-39_ESO-NTT_EFOSC2-NTT_ePESSTO+.asci tns_2025pjf_2025-08-13_07-31-39_ESO-NTT_EFOSC2-NTT_ePESSTO+.fits Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
orange-ATLAS ATLAS-CHL_ATLAS-04 2025-07-02 08:09:53 - 2025-07-02 08:09:53 2460858.8402 - 2460858.8402 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
500752 2025-07-02 08:09:53 2460858.8402 18.86 ABMag orange-ATLAS ATLAS-CHL_ATLAS-04 30 Robot [Last non detection]
cyan-ATLAS ATLAS-STH_ATLAS-03 2025-07-03 00:34:21 - 2025-07-03 00:34:21 2460859.52385 - 2460859.52385 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
500753 2025-07-03 00:34:21 2460859.52385 19.373 0.17 19.77 ABMag cyan-ATLAS ATLAS-STH_ATLAS-03 30 Robot
r-ZTF P48_ZTF-Cam 2025-06-29 08:50:07 - 2025-06-29 08:50:07 2460855.8681366 - 2460855.8681366 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
499392 2025-06-29 08:50:07 2460855.8681366 19.4297 ABMag r-ZTF P48_ZTF-Cam 30 Robot [Last non detection] Data provided by ZTF
g-ZTF P48_ZTF-Cam 2025-06-29 11:04:29 - 2025-06-29 11:04:29 2460855.9614468 - 2460855.9614468 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
499393 2025-06-29 11:04:29 2460855.9614468 19.4928 0.157232 20.1637 ABMag g-ZTF P48_ZTF-Cam 30 Robot Data provided by ZTF
w-P1 PS1_GPC1 2025-07-25 10:54:42 - 2025-07-25 10:54:42 2460881.95465 - 2460881.95465 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
505640 2025-07-25 10:54:42 2460881.95465 19.37 0.08 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
264094 2025-07-28 00:28:55 PS1_Bot1 K. C. Chambers,T. de Boer,J. Fairlamb et al. Pan-STARRS Pan-STARRS 21:37:44.987 -18:11:11.26 2025-07-25 10:54:41.760 19.37 w-P1 PSN PS25fmc Pan-STARRS N
261479 2025-07-04 12:58:26 ATLAS_Bot1 J. Tonry,L. Denneau,H. Weiland et al. ATLAS ATLAS 21:37:44.952 -18:11:10.96 2025-07-03 00:34:20.640 19.373 cyan-ATLAS PSN ATLAS25gxn ATLAS N
260576 2025-06-30 02:33:54 ALeRCE F. Forster,F.E. Bauer,G. Pignata et al. ALeRCE ZTF 21:37:45.021 -18:11:11.27 2025-06-29 11:04:29.004 19.4928 g-ZTF PSN WISEA J213744.97-181112.1 ZTF25aawyyyn ZTF Early SN candidate (g-rise > 0.23+-0.05 mag/day) 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/ZTF25aawyyyn 2025TNSTR2484....1F N
Classification Reports
ID Time received (UT) Sender Classifier/s Group Classification Redshift Spectra Related files Assoc. Groups End prop. period Remarks ADS Bibcode
21780 2025-08-14 06:37:57 ePESSTOplus_Bot1 Joyce Naomi Dominique van Dalen, Daniele Bjørn Malesani, Antonio Martin-Carrillo, Gregory Corcoran, Laura Cotter, Morgan Fraser, E. A. Zimmerman on behalf of ePESSTO+ ePESSTO+ Other 0.054 1 ePESSTO+ 2025TNSCR3202....1v
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
21780 2025-08-13 07:31:39 ESO-NTT / EFOSC2-NTT 1200 Joyce Naomi Dominique van Dalen, Daniele Bjørn Malesani Antonio Martin-Carrillo, Gregory Corcoran, Laura Cotter, Morgan Fraser ePESSTO+ tns_2025pjf_2025-08-13_07-31-39_ESO-NTT_EFOSC2-NTT_ePESSTO+.asci tns_2025pjf_2025-08-13_07-31-39_ESO-NTT_EFOSC2-NTT_ePESSTO+.fits Object

Comments

TNS
System

Object coordinates updated

Object coordinates updated according to AT-report 264094 of Group Pan-STARRS
Previous RA, DEC: 21:37:45.021, -18:11:11.27 (324.4375866, -18.1864632)
Updated RA, DEC: 21:37:44.987, -18:11:11.26 (324.437443756, -18.1864616137)