RA/DEC (2000)
12:20:45.010 +49:33:04.68
185.18754 +49.5513
Type
TDE
Redshift
0.0284
Related AstroNotes: 2022-47, 2022-57, 2024-43
Reporting Group
ASAS-SN
Discovering Data Source
ASAS-SN
Discovery Date
2022-02-22 14:52:48.000
TNS AT
Y
Public
Y
Host Name
WISEA J122045.05+493304.7
Host Redshift
0.028398
Comments
[Prefix updated to TDE by admin on 2025-01-26]
Discovery Mag
17.1
Reporter/s
K. Z. Stanek, for the ASAS-SN team

Spectra

 TDE_2022dbl - 2022-02-21 14:52:32 FTN / FLOYDS-N (StarDestroyers)z=
Show H at z=vexp= km/s
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Show S II at z=vexp= km/s
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Show [Ca II] at z=vexp= km/s
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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

 ASASSN-4_Leavitt_g
 ASASSN-1_Brutus_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
12003 2022-02-21 14:52:32 FTN / FLOYDS-N 3600 Robotic C. Pellegrino StarDestroyers tns_2022dbl_2022-02-21_14-52-32_FTN_FLOYDS-N_StarDestroyers.ascii tns_2022dbl_2022-02-21_14-52-32_FTN_FLOYDS-N_StarDestroyers.fits Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
g-Sloan ASASSN-4_Leavitt 2022-02-18 11:31:12 - 2022-02-18 11:31:12 2459628.98 - 2459628.98 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
267507 2022-02-18 11:31:12 2459628.98 17.5 ABMag g-Sloan ASASSN-4_Leavitt [Last non detection]
g-Sloan ASASSN-1_Brutus 2022-02-22 14:52:48 - 2022-02-22 14:52:48 2459633.12 - 2459633.12 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
267508 2022-02-22 14:52:48 2459633.12 17.1 ABMag g-Sloan ASASSN-1_Brutus
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
137565 2022-02-22 18:36:41 Krzysztof Stanek K. Z. Stanek,for the ASAS-SN team et al. ASAS-SN ASAS-SN 12:20:45.010 +49:33:04.68 2022-02-22 14:52:48.000 17.1 g-Sloan PSN WISEA J122045.05+493304.7 ASASSN-22ci ASAS-SN Present in several epochs, on the rise; this is a nuclear source, so could also be a TDE; this galaxy was the host of a likely TDE, AT 2018mac; in TESS Sector 48 2022TNSTR1433....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
11946 2022-02-21 20:07:42 Iair Arcavi Iair Arcavi, Yael Dgany (TAU), Craig Pellegrino, D. Andrew Howell, Megan Newsome Jamison Burke, Megan Newsome, Estefania Padilla Gonzalez, Giacomo Terreran (Las Cumbres / UCSB), Curtis McCully (Las Cumbres) StarDestroyers TDE 0.0284 1 StarDestroyers Similar to the TDE-H AT 2019ahk, in an E+A galaxy. 2022TNSCR.504....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
12003 2022-02-21 14:52:32 FTN / FLOYDS-N 3600 Robotic C. Pellegrino StarDestroyers tns_2022dbl_2022-02-21_14-52-32_FTN_FLOYDS-N_StarDestroyers.ascii tns_2022dbl_2022-02-21_14-52-32_FTN_FLOYDS-N_StarDestroyers.fits Object

Comments

TNS
System

AT Report/s were associated with object

ASAS-SN AT report/s 137565 for 2018mac were associated with object 2022dbl.