RA/DEC (2000)
17:22:32.637 +18:13:58.20
260.6359863 +18.2328344
Type
TDE-He
Redshift
0.051
Discovery ReportClassification Report
Related AstroNotes: DRAFT-1687, 2024-150
Reporting Group
ZTF
Discovering Data Source
ZTF
Discovery Date
2024-04-17 09:07:25.003
TNS AT
Y
Public
Y
Comments
[Prefix updated to TDE by admin on 2025-01-26]
Discovery Mag
19.3893
Filter
r-ZTF
Reporter/s
Jesper Sollerman (SU), Christoffer Fremling (Caltech), Daniel Perley (LJMU), Theophile du Laz (Caltech) on behalf of ZTF
NEDSIMBADDECaLSPanSTARRS-1SkyMapperVizieRWISEDSSADS

Spectra

 ▌TDE_2024gxr - 2024-06-01 00:00:00 Keck1 / LRIS (None)z=
 ▌TDE_2024gxr - 2024-05-24 08:20:04 P60 / SEDM (ZTF)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
   
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
17281 2024-06-01 00:00:00 Keck1 / LRIS R. Chornock None tns_2024gxr_2024-06-01_Keck1_LRIS.flm Object
17174 2024-05-24 08:20:04 P60 / SEDM 2700 SEDmRobot auto ZTF tns_2024gxr_2024-05-24_08-20-03.550846_P60_SEDM_ZTF.ascii Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
r-ZTF P48_ZTF-Cam 2024-04-13 10:16:36 - 2024-04-20 09:55:43 2460413.9281944 - 2460420.9136921 3
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
401874 2024-04-20 09:55:43 2460420.9136921 19.4454 0.14516 ABMag r-ZTF P48_ZTF-Cam
401873 2024-04-17 09:07:25 2460417.8801505 19.3893 0.18543 ABMag r-ZTF P48_ZTF-Cam
401872 2024-04-13 10:16:36 2460413.9281944 20.363 ABMag r-ZTF P48_ZTF-Cam [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
208134 2024-04-20 10:50:55 Fritz Jesper Sollerman (SU),Christoffer Fremling (Caltech),Daniel Perley (LJMU) et al. ZTF ZTF 17:22:32.637 +18:13:58.20 2024-04-17 09:07:25.003 19.3893 r-ZTF PSN ZTF24aakaiha ZTF 2024TNSTR1150....1S N
Classification Reports
ID Time received (UT) Sender Classifier/s Group Classification Redshift Spectra Related files Assoc. Groups End prop. period Remarks ADS Bibcode
17194 2024-06-07 17:53:59 Jean Somalwar J. Somalwar (Caltech), R. Chornock (UC Berkeley), V. Ravi (Caltech), Y. Yao (UC Berkeley), M. Graham (Caltech), R. Stein (Caltech), E. Hammerstein (UMD), S. Yun (Caltech), K. Patra (UC Berkeley), R. Margutti (UC Berkeley), X. Guo (UC Berkeley), J. Wise (LJMU) None TDE-He 1 Based on observed broad He II and N III emission and the blue photometric colors with bright UV emission, we re-classify this source as a TDE-He. 2024TNSCR1840....1S
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
17281 2024-06-01 00:00:00 Keck1 / LRIS R. Chornock None tns_2024gxr_2024-06-01_Keck1_LRIS.flm Object
17087 2024-05-24 09:14:42 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 0.051 1 Add ZTF 2024TNSCR1637....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
17174 2024-05-24 08:20:04 P60 / SEDM 2700 SEDmRobot auto ZTF tns_2024gxr_2024-05-24_08-20-03.550846_P60_SEDM_ZTF.ascii Object

Comments