SN 2015cq
RA/DEC (2000)
16:29:38.600 +40:14:10.00
247.410833 +40.236111
Type
SN II
Redshift
0.028
Reporting Group
None
Discovering Data Source
None
Discovery Date
2015-05-20 00:00:00.000
TNS AT
Y
Public
Y
Host Name
SDSS J162938.32+401407.4
Host Redshift
0.028
Discovery Mag
23.46
Filter
g-Sloan
Reporter/s
Zhihao Zhong, Hongyan Zhou, Luming Sun

Spectra

 SN_2015cq - 2015-05-20 00:00:00 Other / Other (None)z=
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Spectra
SelectIDObs-date (UT)Tel / InstExp-TimeObserver/sReducer/sGroupSpectrum ascii fileSpectrum fits fileSpec. TypeAssoc. GroupsEnd prop. periodRemarks
19702015-05-20 00:00:00Other / Other8100MaNGAMaNGANone tns_2015cq_2015-05-20.0_Other_Other.txtObjectThe spectrum is extracted from MaNGA IFU data cube in position of 16:29:38.6 +40:14:10. Galaxy contribution is subtracted using the spectrum at a position with similar five-bands surface brightness in the galaxy. The spectrum has been smoothed.
Light Curves
FilterTel / InstObs-date rangePhotometry
g-SloanOther_Other2015-05-20 00:00:00 - 2015-05-20 00:00:001
Photometry
IDObs-dateMag. / FluxErrLim. Mag./FluxUnitsFilterTel / InstExp-timeObserver/sRemarks
275862015-05-20 00:00:0023.460.28ABMagg-SloanOther_Other8100We used MaNGA IFU data. We made image subtraction between MaNGA synthetic images in SDSS g, r and i bands and SDSS images and measured the magnitudes. The errors are obtained from measuring fluxes from some other positions.
r-SloanOther_Other2015-05-20 00:00:00 - 2015-05-20 00:00:001
Photometry
IDObs-dateMag. / FluxErrLim. Mag./FluxUnitsFilterTel / InstExp-timeObserver/sRemarks
275872015-05-20 00:00:0021.920.18ABMagr-SloanOther_Other8100We used MaNGA IFU data. The process is the same as SDSS-g band.
i-SloanOther_Other2015-05-20 00:00:00 - 2015-05-20 00:00:001
Photometry
IDObs-dateMag. / FluxErrLim. Mag./FluxUnitsFilterTel / InstExp-timeObserver/sRemarks
275882015-05-20 00:00:0021.580.28ABMagi-SloanOther_Other8100We used MaNGA IFU data. The process is the same as SDSS-g band.
AT Reports
IDTime received (UT)SenderReporter/sReportting groupDisc. Data SourceRADECDiscovery date (UT)Discovery Mag.FilterRelated filesAT TypeInternal nameAssoc. GroupsEnd prop. periodRemarks
181182018-05-01 06:53:33sunlumingZhihao Zhong, Hongyan Zhou, Luming Sun16:29:38.600+40:14:10.002015-05-20 00:00:00.00023.46g-SloanPSNWe found an Halpha broad emission line in the northeast of the galaxy when glancing over its MaNGA data. After removing the light contribution from the galaxy, the spectrum clearly resembles a SN II.
Classification Reports
IDTime received (UT)SenderClassifier/sGroupClassificationRedshiftRelated filesAssoc. GroupsEnd prop. periodRemarksADS Bibcode
19652018-05-02 01:47:35sunlumingLuming SunNoneSN II0.028It is a SN II according to the Halpha BEL with P Cygni profile in the spectrum, and the absolute magnitude in I-band of -14.5. By matching the Halpha profile to the known SNs, we think it is likely to be a type II-P.2018TNSCR.571....1S