RA/DEC (2000)
11:53:00.136 +44:07:50.29
178.250566534 +44.1306362838
Type
LRN
Redshift
0.0027
Discovery ReportClassification Report
Reporting Group
ALeRCE
Discovering Data Source
ZTF
Discovery Date
2022-02-13 08:24:14.999
TNS AT
Y
Public
Y
Host Name
NGC 3938
Host Redshift
0.002695
Discovery Mag
19.6766
Filter
r-ZTF
Reporter/s
F. Forster, F.E. Bauer, G. Pignata, A. Munoz-Arancibia, A. Mourao, R. Dastidar, L. Hernandez-Garcia, L. Galbany, E. Camacho, J. Silva-Farfan, J. Arredondo, G. Cabrera-Vives, R. Carrasco-Davis, P.A. Estevez, P. Huijse, E. Reyes, I. Reyes, P. Sanchez-Saez, C. Valenzuela, E. Castillo, D. Ruz-Mieres, D. Rodriguez-Mancini, M. Catelan, S. Eyheramendy, M.J. Graham on behalf of the ALeRCE broker
NEDSIMBADDECaLSPanSTARRS-1SkyMapperVizieRWISEDSSADS

Spectra

 ▌AT_2022ckk - 2022-03-03 00:00:00 Keck1 / LRIS (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

 ▌PS2_GPC2_i
 ▌P48_ZTF-Cam_r
 ▌P48_ZTF-Cam_g
   
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
16816 2022-03-03 00:00:00 Keck1 / LRIS Shreya Anand, Kaustav Das ZTF tns_2022ckk_2022-03-03_Keck1_LRIS_ZTF.spec Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
i-P1 PS2_GPC2 2022-02-12 11:19:52 - 2022-02-12 11:19:52 2459622.97213 - 2459622.97213 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
265900 2022-02-12 11:19:52 2459622.97213 20.07 0.26 20.7 ABMag i-P1 PS2_GPC2 45 Robot
r-ZTF P48_ZTF-Cam 2022-02-13 08:24:15 - 2022-02-13 08:24:15 2459623.8501736 - 2459623.8501736 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
265795 2022-02-13 08:24:15 2459623.8501736 19.6766 0.150629 20.1572 ABMag r-ZTF P48_ZTF-Cam 30 Robot Data provided by ZTF
g-ZTF P48_ZTF-Cam 2022-02-13 07:55:00 - 2022-02-13 07:55:00 2459623.8298611 - 2459623.8298611 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
265794 2022-02-13 07:55:00 2459623.8298611 19.6117 ABMag g-ZTF P48_ZTF-Cam 30 Robot [Last non detection] Data provided by ZTF
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 Bibcode Unreal Auto classification
136863 2022-02-14 10:50:32 PS2_Bot1 K. C. Chambers,T. de Boer,J. Bulger et al. Pan-STARRS Pan-STARRS 11:53:00.136 +44:07:50.29 2022-02-12 11:19:52.032 20.07 i-P1 PSN PS22bge Pan-STARRS N
136801 2022-02-13 22:25:38 ALeRCE F. Forster,F.E. Bauer,G. Pignata et al. ALeRCE ZTF 11:53:00.126 +44:07:50.61 2022-02-13 08:24:14.999 19.6766 r-ZTF PSN NGC 3938 ZTF22aaajgss ALeRCE SN candidate classified using ALeRCE's stamp classifier - see http://arxiv.org/abs/2008.03309 - and the public ZTF stream. Discovery image and light curve in http://alerce.online/object/ZTF22aaajgss 2022TNSTR.377....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
16729 2024-03-26 21:48:07 Viraj Karambelkar Viraj Karambelkar ZTF LRN 0.0027 1 Add ZTF The spectrum shows a red continuum with narrow absorption lines of the calcium NIR triplet with velocities ~300 km/s. The spectrum resembles that of the LRN AT2018hso. The spectrum also shows many strong, narrow emission lines, likely coming from the HII region underneath the transient. 2024TNSCR.821....1K
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
16816 2022-03-03 00:00:00 Keck1 / LRIS Shreya Anand, Kaustav Das ZTF tns_2022ckk_2022-03-03_Keck1_LRIS_ZTF.spec Object

Comments

TNS
System

Mon, 02/14/2022 - 10:30

Object coordinates updated

Object coordinates updated according to AT-report 136863 of Group Pan-STARRS
Previous RA, DEC: 11:53:00.126, +44:07:50.61 (178.2505255, +44.1307246)
Updated RA, DEC: 11:53:00.136, +44:07:50.29 (178.250566534, 44.1306362838)