SN 2017eby
RA/DEC (2000)
14:38:50.74 +14:44:25.99
219.711433529 +14.7405517647
Type
SN Ia-CSM
Redshift
0.081
Source Group
ATLAS
Discovery Date
2017-04-01 13:59:31
TNS AT
Y
Public
Y
Discovery Mag
18.58
Filter
cyan-ATLAS
Discoverer/s
J. Tonry, B. Stalder, L. Denneau, A. Heinze, H. Weiland (IfA, University of Hawaii), A. Rest (STScI), K.W. Smith, S. J. Smartt (Queen's University Belfast)
 2017-06-02 03:29:01 ESO-NTT / EFOSC2-NTT (ePESSTO)
 2017-05-26 23:03:10 LT / SPRAT
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   Binning factor: (rounded to nearest integer >1)
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Spectra
IDObs-date (UT)Tel / InstExp-TimeObserver/sReducer/sGroupSpectrum ascii fileSpectrum fits fileSpec. TypeAssoc. GroupsEnd prop. periodRemarks
10262017-06-02 03:29:01ESO-NTT / EFOSC2-NTT600G. Pignata, L. WangL. GalbanyePESSTO tns_2017eby_2017-06-02_03-29-01_ESO-NTT_EFOSC2-NTT_ePESSTO.asci tns_2017eby_2017-06-02_03-29-01_ESO-NTT_EFOSC2-NTT_ePESSTO.fitsObjectePESSTO
10222017-05-26 23:03:10LT / SPRAT800David BersierDavid Bersier tns_2017eby_2017-05-26_23-03-10_LT_SPRAT.datObject
Light Curves
FilterTel / InstObs-date rangePhotometry
i-SloanPS1_GPC12017-05-18 10:48:00 - 2017-05-18 10:48:001
Photometry
IDObs-dateMag. / FluxErrLim. Mag./FluxUnitsFilterTel / InstExp-timeObserver/sRemarks
175742017-05-18 10:48:0017.590.0220.7ABMagi-SloanPS1_GPC145Robot
cyan-ATLASATLAS1_ACAM12017-04-01 12:51:50 - 2017-04-01 13:59:312
Photometry
IDObs-dateMag. / FluxErrLim. Mag./FluxUnitsFilterTel / InstExp-timeObserver/sRemarks
170362017-04-01 13:59:3118.580.1419.63ABMagcyan-ATLASATLAS1_ACAM130Robot
170352017-04-01 12:51:5019.61ABMagcyan-ATLASATLAS1_ACAM130Robot[Last non detection]
G-GaiaGaia_Gaia-photometric2017-03-02 02:38:24 - 2017-06-20 21:30:142
Photometry
IDObs-dateMag. / FluxErrLim. Mag./FluxUnitsFilterTel / InstExp-timeObserver/sRemarks
180392017-06-20 21:30:1417.850.2ABMagG-GaiaGaia_Gaia-photometric60Robot
180382017-03-02 02:38:2421.5ABMagG-GaiaGaia_Gaia-photometricRobot[Last non detection]
AT Reportings
IDTime received (UT)SenderReporter/s (Discoverer/s)GroupRADECDiscovery date (UT)Discovery Mag.FilterRelated filesAT TypeInternal nameAssoc. GroupsEnd prop. periodRemarks
121662017-06-22 09:29:30Gaia_Bot1A. Delgado, D. Harrison, S. Hodgkin, M. van Leeuwen, G. Rixon, A. Yoldas (University of Cambridge), on behalf of Gaia Alerts teamGaiaAlerts14:38:50.76+14:44:26.092017-06-20 21:30:1417.85G-GaiaPSNGaia17bozGaiaAlertsconfirmed SN Ia-CSM near galaxy SDSS J143850.77+144426.9, aka SN 2017eby
118592017-06-05 15:42:10PS1_Bot1K. C. Chambers, M. E. Huber, H. Flewelling, E. A. Magnier, A. Schultz, T. Lowe (IfA, University of Hawaii), S. J. Smartt, K. W. Smith, (Queen's University Belfast), J. Tonry, C. Waters, (IfA, University of Hawaii) D. E. Wright, D. R. Young (Queen's University Belfast)Pan-STARRS114:38:50.77+14:44:26.132017-05-18 10:48:0017.59i-SloanPSNPS17dewPan-STARRS1
115422017-05-17 09:50:02ATLAS_Bot1J. Tonry, B. Stalder, L. Denneau, A. Heinze, H. Weiland (IfA, University of Hawaii), A. Rest (STScI), K.W. Smith, S. J. Smartt (Queen's University Belfast)ATLAS14:38:50.74+14:44:25.992017-04-01 13:59:3118.58cyan-ATLASPSNATLAS17fkoATLAS
Classification Reportings
IDTime received (UT)SenderClassifier/sGroupClassificationRedshiftRelated filesAssoc. GroupsEnd prop. periodRemarks
10232017-06-03 06:54:23ePESSTO_Bot1G. Pignata, L. Wang, L. Galbany, O. Yaron, on behalf of ePESSTOePESSTOSN Ia-CSM0.081ePESSTO
10182017-05-27 15:25:22dbersierDavid BersierSN Ia-CSM0.084There is a strong emission line corresponding to Halpha at z=0.084. The best SNID fit is with SN 2002ic, a SN Ia-CSM, more than a month after maximum. From the spectrum, it is not clear whether the emission line is extended or not though.