AT 2018cmp
RA/DEC (2000)
23:31:09.78 -29:57:43.67
352.79075 -29.96213
Type
AGN
Redshift
0.0504
Source Group
ASAS-SN
Discovery Date
2018-06-11 03:21:36
TNS AT
Y
Public
Y
Host Name
2MASX J23310975-2957452
Host Redshift
0.0504
Discovery Mag
17.9
Filter
g-Sloan
Discoverer/s
K. Z. Stanek, for the ASAS-SN team
 2018-07-15 05:53:56 LCO-duPont / WFCCD (ASAS-SN)
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Spectra
IDObs-date (UT)Tel / InstExp-TimeObserver/sReducer/sGroupSpectrum ascii fileSpectrum fits fileSpec. TypeAssoc. GroupsEnd prop. periodRemarks
22822018-07-15 05:53:56LCO-duPont / WFCCDL. Khlat (ENS-Lyon), J. L. Prieto (UDP)ASAS-SN tns_2018cmp_2458314.74579_LCO-duPont_WFCCD_ASAS-SN.txt tns_2018cmp_2458314.74579_LCO-duPont_WFCCD_ASAS-SN.fitsObjectASAS-SN
Light Curves
FilterTel / InstObs-date rangePhotometry
g-SloanASASSN-3_Paczynski2018-05-12 09:36:00 - 2018-05-12 09:36:001
Photometry
IDObs-dateMag. / FluxErrLim. Mag./FluxUnitsFilterTel / InstExp-timeObserver/sRemarks
299982018-05-12 09:36:0018.4ABMagg-SloanASASSN-3_Paczynski[Last non detection]
g-SloanASASSN-5_Payne-Gaposchkin2018-06-11 03:21:36 - 2018-06-11 03:21:361
Photometry
IDObs-dateMag. / FluxErrLim. Mag./FluxUnitsFilterTel / InstExp-timeObserver/sRemarks
299992018-06-11 03:21:3617.9ABMagg-SloanASASSN-5_Payne-Gaposchkin
AT Reportings
IDTime received (UT)SenderReporter/s (Discoverer/s)GroupRADECDiscovery date (UT)Discovery Mag.FilterRelated filesAT TypeInternal nameAssoc. GroupsEnd prop. periodRemarks
193872018-06-13 14:54:30KZStanekK. Z. Stanek, for the ASAS-SN teamASAS-SN23:31:09.78-29:57:43.672018-06-11 03:21:3617.9g-SloanPSNASASSN-18mmASAS-SNIn several epochs, nuclear source, so might also be a TDE or AGN
Classification Reportings
IDTime received (UT)SenderClassifier/sGroupClassificationRedshiftRelated filesAssoc. GroupsEnd prop. periodRemarks
22752018-07-15 08:43:05jlprietoL. Khlat (ENS-Lyon), J. L. Prieto (UDP), S. Dong (KIAA-PKU) ASAS-SNAGN0.0504ASAS-SNWe obtained an optical low-resolution spectrum of supernovae candidates on UT 2018 July 15 with WFCCD mounted on the du Pont 2.5m telescope at Las Campanas Observatory. The spectrum of ASASSN-18mm/AT2018cmp is that of a Type II AGN. SNID (Blondin & Tonry 2007) gives a best fit z=0.051 as the redshift, consistent with the host galaxy redshift.

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