RA/DEC (2000)
07:18:20.778 +33:59:41.58
109.586575669 +33.9948822375
Type
TDE
Redshift
0.028
Discovery ReportClassification Report
Related AstroNotes: 2022-99
Reporting Group
ZTF
Discovering Data Source
ZTF
Discovery Date
2022-04-03 03:46:04.800
TNS AT
Y
Public
Y
Comments
[Prefix updated to TDE by admin on 2025-01-26]
Discovery Mag
18.23
Filter
g-ZTF
Reporter/s
C. Fremling (Caltech) on behalf of the Zwicky Transient Facility (ZTF) collaboration
NEDSIMBADDECaLSPanSTARRS-1SkyMapperVizieRWISEDSSADS

Spectra

 ▌TDE_2022gri - 2022-02-22 03:29:57 P200 / DBSP (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
 ▌P48_ZTF-Cam_g
 ▌ATLAS-HKO_ATLAS-02_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
12396 2022-02-22 03:29:57 P200 / DBSP 750 Kaustav Das Tawny Sit ZTF tns_2022gri_2459632.6458_P200_DBSP_ZTF.dat Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
r-ZTF P48_ZTF-Cam 2022-02-28 05:44:10 - 2022-04-05 05:21:07 2459638.739 - 2459674.723 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
275308 2022-04-05 05:21:07 2459674.723 18.27 ABMag r-ZTF P48_ZTF-Cam 30 ZTF
275306 2022-02-28 05:44:10 2459638.739 18.02 ABMag r-ZTF P48_ZTF-Cam 30 ZTF [Last non detection]
g-ZTF P48_ZTF-Cam 2022-04-03 03:46:05 - 2022-04-03 03:46:05 2459672.657 - 2459672.657 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
275307 2022-04-03 03:46:05 2459672.657 18.23 ABMag g-ZTF P48_ZTF-Cam 30 ZTF
orange-ATLAS ATLAS-HKO_ATLAS-02 2023-03-11 08:27:49 - 2023-03-12 08:00:01 2460014.85265 - 2460015.83334 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
331470 2023-03-12 08:00:01 2460015.83334 18.909 0.171 19.39 ABMag orange-ATLAS ATLAS-HKO_ATLAS-02 30 Robot
331469 2023-03-11 08:27:49 2460014.85265 18.71 ABMag orange-ATLAS ATLAS-HKO_ATLAS-02 30 Robot [Last non detection]
w-P1 PS1_GPC1 2022-12-15 13:40:24 - 2022-12-15 13:40:24 2459929.06972 - 2459929.06972 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
322473 2022-12-15 13:40:24 2459929.06972 18.18 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
172043 2023-03-13 09:23:53 ATLAS_Bot1 J. Tonry, L. Denneau, H. Weiland et al. ATLAS ATLAS 07:18:20.748 +33:59:39.83 2023-03-12 08:00:00.576 18.909 orange-ATLAS PSN ATLAS23doq ATLAS 2023TNSTR.523....1T N
167526 2022-12-21 16:50:12 PS1_Bot1 K. C. Chambers, T. de Boer, J. Bulger et al. Pan-STARRS Pan-STARRS 07:18:20.778 +33:59:41.58 2022-12-15 13:40:23.808 18.18 w-P1 PSN PS22nfs Pan-STARRS N
143931 2022-04-06 04:21:18 ZTF_Bot1 C. Fremling (Caltech) on behalf of the Zwicky Transient Facility (ZTF) collaboration ZTF ZTF 07:18:20.768 +33:59:41.60 2022-04-03 03:46:04.800 18.23 g-ZTF PSN ZTF20aahmtso ZTF 2022TNSTR.890....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
12338 2022-05-01 23:38:05 Yuhan Yao Yuhan Yao (Caltech), Suvi Gezari (STScI), Sjoert van Velzen (Leiden), Erica Hammerstein (UMD), Jean Somalwar (Caltech) ZTF TDE 0.028 1 ZTF AT2022gri/ZTF20aahmtso is a nuclear transient selected from ZTF. The ZTF+ATLAS forced photometry light curve suggests a long rise time of >50 days and persistent blue colors. An optical spectrum obtained on 2022 April 22 shows galaxy absorption lines at z=0.028 and a blue continuum, which suggests that AT2022gri is probably a nearby TDE. 2022TNSCR1156....1Y
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
12396 2022-02-22 03:29:57 P200 / DBSP 750 Kaustav Das Tawny Sit ZTF tns_2022gri_2459632.6458_P200_DBSP_ZTF.dat Object

Comments

TNS
System

Thu, 03/16/2023 - 07:53

AT Report/s were associated with object

ATLAS AT report/s 172043 for 2023cyz were associated with object 2022gri.
Object 2023cyz was removed from the system.

TNS
System

Wed, 12/21/2022 - 16:30

Object coordinates updated

Object coordinates updated according to AT-report 167526 of Group Pan-STARRS
Previous RA, DEC: 07:18:20.768, +33:59:41.60 (109.5865345, +33.9948899)
Updated RA, DEC: 07:18:20.778, +33:59:41.58 (109.586575669, 33.9948822375)