RA/DEC (2000)
18:40:09.358 -68:58:58.12
280.03899 -68.98281
Type
---
Redshift
0.047
Discovery ReportClassification Report
Reporting Group
ASAS-SN
Discovering Data Source
ASAS-SN
Discovery Date
2021-05-15 04:33:36.000
TNS AT
Y
Public
Y
Host Name
WISEA J184009.48-685858.8
Host Redshift
0.047526
Discovery Mag
17.6
Filter
g-Sloan
Reporter/s
J. Brimacombe, B. Nicholls, K. Z. Stanek, for the ASAS-SN team
NEDSIMBADDECaLSPanSTARRS-1SkyMapperVizieRWISEDSSADS

Spectra

 ▌AT_2021mrk - 2021-06-22 06:01:31 SOAR / Goodman (None)z=
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▌Show Mg at z=vexp= km/s
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▌Show Tellurics 
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   Binning factor: (rounded to nearest integer >1)
Mouse hovers at WL: 0 (rest),0 (observed)

Light curves

 ▌ASASSN-2_Cassius_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
9964 2021-06-22 06:01:31 SOAR / Goodman R. Cartier R. Cartier None tns_2021mrk_2021-06-22_06-01-31_SOAR_Goodman.asci Object The broad spectral features consistent with a TDE with significant extinction and host galaxy contamination.
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
g-Sloan ASASSN-2_Cassius 2021-05-12 03:36:00 - 2021-05-15 04:33:36 2459346.65 - 2459349.69 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
214406 2021-05-15 04:33:36 2459349.69 17.6 ABMag g-Sloan ASASSN-2_Cassius
214405 2021-05-12 03:36:00 2459346.65 18.6 ABMag g-Sloan ASASSN-2_Cassius [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
110027 2021-05-18 21:45:31 Krzysztof Stanek J. Brimacombe, B. Nicholls, K. Z. Stanek et al. ASAS-SN ASAS-SN 18:40:09.358 -68:58:58.12 2021-05-15 04:33:36.000 17.6 g-Sloan PSN WISEA J184009.48-685858.8 ASASSN-21ik ASAS-SN In several epochs, on the rise, likely a nuclear source, so could also be a TDE/AGN outburst 2021TNSTR1683....1B N
Classification Reports
ID Time received (UT) Sender Classifier/s Group Classification Redshift Spectra Related files Assoc. Groups End prop. period Remarks ADS Bibcode
9947 2021-06-24 17:26:58 Regis Cartier Regis Cartier (CTIO/NOIRLab), Jacqueline Seron (CTIO/NOIRLab) and Carlos Corco (SOAR/NOIRLab) None Other 0.047 1 Potential TDE with significant extinction and host galaxy contamination. Redshift from NED. 2021TNSCR2187....1C
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
9964 2021-06-22 06:01:31 SOAR / Goodman R. Cartier R. Cartier None tns_2021mrk_2021-06-22_06-01-31_SOAR_Goodman.asci Object The broad spectral features consistent with a TDE with significant extinction and host galaxy contamination.

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