SN 2019byw
RA/DEC (2000)
17:05:08.591 +07:59:26.05
256.2857941 +7.9905695
Type
SN Ia
Redshift
0.03034
Source Group
ZTF
Discovery Date
2019-03-15 11:33:50
TNS AT
Y
Public
Y
Discovery Mag
17.69
Filter
g-ZTF
Discoverer/s
J. Nordin, V. Brinnel, M. Giomi, J. van Santen (HU Berlin), A. Gal-Yam, O. Yaron, S. Schulze (Weizmann) on behalf of ZTF

Spectra

 SN_2019byw - 2019-04-20 09:33:55 P60 / SEDM (ZTF)z=
 SN_2019byw - 2019-03-31 11:31:12 Lick-3m / KAST (ASAS-SN)z=
 SN_2019byw - 2019-03-30 23:49:09 Ekar / AFOSC (Padova-Asiago)z=
Show H at z=vexp= km/s
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Show [Ca II] 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)
Spectra
SelectIDObs-date (UT)Tel / InstExp-TimeObserver/sReducer/sGroupSpectrum ascii fileSpectrum fits fileSpec. TypeAssoc. GroupsEnd prop. periodRemarks
51322019-04-20 09:33:55P60 / SEDM1200SEDmRobotautoZTF tns_2019byw_2019-04-20_09-33-55_P60_SEDM_ZTF.asciiObjectZTF
38852019-03-31 11:31:12Lick-3m / KASTT. G. BrinkT. G. BrinkASAS-SN tns_2019byw_2019-03-31.48_Lick-3m_KAST_ASAS-SN.txtObjectASAS-SN
37652019-03-30 23:49:09Ekar / AFOSC2700OchnerBenetti, TomasellaPadova-Asiago tns_2019byw_2019-03-30_23-49-09_Ekar_AFOSC_Padova-Asiago.dat tns_2019byw_2019-03-30_23-49-09_Ekar_AFOSC_Padova-Asiago.fitsObjectPadova-AsiagoThe spectrum of this nuclear transient shows broad hydrogen and HeII lines superimposed to the host galaxy features. Considering both the extinction in the Galaxy (A_V ~ 0.236 mag from Schlafly & Finkbeiner 2011) and in the host galaxy (A_V ~ 2.7 mag estimated from the interstellar NaID absorption) the corrected spectrum exhibits a blue continuum and the absolute magnitude is about ~ -20.6 mag (assuming a distance modulus of 35.64 mag, via NED). All this makes of AT2019byw a possible TDE event.
Light Curves
FilterTel / InstObs-date rangePhotometry
orange-ATLASATLAS1_ACAM12019-03-14 15:43:12 - 2019-03-18 14:16:482
Photometry
IDObs-dateMag. / FluxErrLim. Mag./FluxUnitsFilterTel / InstExp-timeObserver/sRemarks
599042019-03-18 14:16:4817.2610.04119.04ABMagorange-ATLASATLAS1_ACAM130Robot
599032019-03-14 15:43:1219.12ABMagorange-ATLASATLAS1_ACAM130Robot[Last non detection]
g-ZTFP48_ZTF-Cam2019-03-15 11:33:50 - 2019-03-15 11:33:501
Photometry
IDObs-dateMag. / FluxErrLim. Mag./FluxUnitsFilterTel / InstExp-timeObserver/sRemarks
561522019-03-15 11:33:5017.690.0719.98ABMagg-ZTFP48_ZTF-Cam30
r-ZTFP48_ZTF-Cam2019-03-18 11:00:53 - 2019-03-18 11:00:531
Photometry
IDObs-dateMag. / FluxErrLim. Mag./FluxUnitsFilterTel / InstExp-timeObserver/sRemarks
561532019-03-18 11:00:5317.290.0719.68ABMagr-ZTFP48_ZTF-Cam30
AT Reportings
IDTime received (UT)SenderReporter/s (Discoverer/s)GroupRADECDiscovery date (UT)Discovery Mag.FilterRelated filesAT TypeInternal nameAssoc. GroupsEnd prop. periodRemarks
324192019-04-09 09:41:24ATLAS_Bot1J. Tonry, L. Denneau, A. Heinze, H. Weiland, H. Flewelling (IfA, University of Hawaii), B. Stalder (LSST), A. Rest (STScI), C. Stubbs (Harvard University), K. W. Smith, S. J. Smartt, D. R. Young, O. McBrien, D. O'Neill, P. Clark, M. Fulton, A. McCormack (Queen's University Belfast), D. E. Wright (University of Minnesota)ATLAS17:05:08.634+07:59:25.622019-03-18 14:16:4817.261orange-ATLASPSNATLAS19etnATLAS
309792019-03-18 12:12:41ZTF_AMPEL_NEWJ. Nordin, V. Brinnel, M. Giomi, J. van Santen (HU Berlin), A. Gal-Yam, O. Yaron, S. Schulze (Weizmann) on behalf of ZTFZTF17:05:08.591+07:59:26.052019-03-15 11:33:5017.69g-ZTFPSNZTF19aamkywrZTF
Classification Reportings
IDTime received (UT)SenderClassifier/sGroupClassificationRedshiftRelated filesAssoc. GroupsEnd prop. periodRemarks
51242019-09-19 04:58:03ZTF_Bot1C. Fremling,A. Dahiwale, A. Dugas,(Caltech) on behalf of the Zwicky Transient Facility (ZTF)ZTFSN Ia0.03034ZTF
38782019-04-16 17:25:50boseSubhash Bose, Subo Dong, T. G. Brink, W. Zheng, Thomas de Jaeger, and A. V. FilippenkoASAS-SNSN Ia0.030758ASAS-SN
37582019-04-02 10:00:30linatomaOchner, Benetti, Cappellaro, Tomasella, Turatto (INAF OAPd)Padova-AsiagoTDE0.0307Padova-AsiagoThe spectrum of this nuclear transient shows broad hydrogen and HeII lines superimposed to the host galaxy features. Considering both the extinction in the Galaxy (A_V ~ 0.236 mag from Schlafly & Finkbeiner 2011) and in the host galaxy (A_V ~ 2.7 mag estimated from the interstellar NaID absorption) the corrected spectrum exhibits a blue continuum and the absolute magnitude is about ~ -20.6 mag (assuming a distance modulus of 35.64 mag, via NED). All this makes of AT2019byw a possible TDE event.