SN 2018hfu
RA/DEC (2000)
23:54:51.09 +05:42:57.60
358.71289 +5.716
Type
SN Ia-pec
Redshift
0.06
Source Group
ASAS-SN
Discovery Date
2018-10-09 21:36:00
TNS AT
Y
Public
Y
Discovery Mag
17.8
Filter
g-Sloan
Discoverer/s
K. Z. Stanek, for the ASAS-SN team
 2018-10-15 22:17:51 LT / SPRAT
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Spectra
IDObs-date (UT)Tel / InstExp-TimeObserver/sReducer/sGroupSpectrum ascii fileSpectrum fits fileSpec. TypeAssoc. GroupsEnd prop. periodRemarks
29072018-10-15 22:17:51LT / SPRAT800S. Prentice tns_2018hfu_2018-10-15_22-17-51_LT_SPRAT.txtObject
Light Curves
FilterTel / InstObs-date rangePhotometry
orange-ATLASATLAS1_ACAM12018-10-03 11:42:43 - 2018-10-05 10:50:522
Photometry
IDObs-dateMag. / FluxErrLim. Mag./FluxUnitsFilterTel / InstExp-timeObserver/sRemarks
375392018-10-05 10:50:5218.8890.19618.87ABMagorange-ATLASATLAS1_ACAM130Robot
375382018-10-03 11:42:4319.41ABMagorange-ATLASATLAS1_ACAM130Robot[Last non detection]
g-SloanASASSN-5_Payne-Gaposchkin2018-10-04 19:40:48 - 2018-10-09 21:36:002
Photometry
IDObs-dateMag. / FluxErrLim. Mag./FluxUnitsFilterTel / InstExp-timeObserver/sRemarks
374022018-10-09 21:36:0017.8ABMagg-SloanASASSN-5_Payne-Gaposchkin
374012018-10-04 19:40:4818.4ABMagg-SloanASASSN-5_Payne-Gaposchkin[Last non detection]
AT Reportings
IDTime received (UT)SenderReporter/s (Discoverer/s)GroupRADECDiscovery date (UT)Discovery Mag.FilterRelated filesAT TypeInternal nameAssoc. GroupsEnd prop. periodRemarks
235172018-10-14 19:45:42ATLAS_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, K. Maguire, S. Prentice, O. McBrien, D. O'Neill, P. Clark, M. Magee, M. Fulton, A. McCormack (Queen's University Belfast), D. E. Wright (University of Minnesota)ATLAS23:54:50.92+05:42:58.202018-10-05 10:50:5218.889orange-ATLASPSNATLAS18wrkATLAS
234492018-10-10 20:12:44KZStanekK. Z. Stanek, for the ASAS-SN teamASAS-SN23:54:51.09+05:42:57.602018-10-09 21:36:0017.8g-SloanPSNASASSN-18xpASAS-SNIn several epochs, very faint (g~22) SDSS host galaxy
Classification Reportings
IDTime received (UT)SenderClassifier/sGroupClassificationRedshiftRelated filesAssoc. GroupsEnd prop. periodRemarks
28992018-10-15 22:52:09Simon PrenticeS. J. Prentice (QUB)SN Ia-pec0.06The spectrum matches several SNe Ia of varying types around maximum light. Using SNID (Blondin and Tonry 2007, Ap.J. 666, 1024), good matches can be found to 2000cx at z=0.054 and 91T-like SN 1999aa at z=0.066. The given redshift of 0.06 is an average between the two and the classification as SN Ia-pec reflects that the two best templates are not normal SNe Ia.

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