SN 2017ah
RA/DEC (2000)
11:10:01.96 +63:38:34.16
167.508146 63.642822
Type
SN Ia
Redshift
---
Source Group
ASAS-SN
Discoverer
Richard Post, Subo Dong, K. Stanek for the ASAS-SN team
Discovery Date
2017-01-04 13:16:36
TNS AT
Y
Public
Y
Host Name
CGCG 314-011
Host Redshift
0.032863
Discovery Mag
17.35
Discovery Mag Filter
V-Johnson
 2017-01-05 12:15:46 FLWO 1.5m / FAST (ASAS-SN)
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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
7102017-01-05 12:15:46FLWO 1.5m / FASTM. Calkins ASAS-SN tns_2017ah_2457759.010956_FLWO_1.5m_FAST_ASAS-SN.txt tns_2017ah_2457759.010956_FLWO_1.5m_FAST_ASAS-SN.fitsObjectASAS-SN
Light Curves
FilterTel / InstObs-date rangePhotometry
V-JohnsonASASSN-1_Brutus2017-01-03 14:16:03 - 2017-01-04 13:16:362
Photometry
IDObs-dateMag. / FluxErrLim. Mag./FluxUnitsFilterTel / InstExp-timeObserver/sRemarks
112472017-01-04 13:16:3617.350.16VegaMagV-JohnsonASASSN-1_Brutus
112462017-01-03 14:16:0317.58VegaMagV-JohnsonASASSN-1_Brutus[Last non detection]
i-SloanPS1_GPC12017-03-11 09:41:45 - 2017-03-11 09:41:451
Photometry
IDObs-dateMag. / FluxErrLim. Mag./FluxUnitsFilterTel / InstExp-timeObserver/sRemarks
149392017-03-11 09:41:4519.040.1120.7ABMagi-SloanPS1_GPC145Robot
G-GaiaGaia_Gaia-photometric2016-12-27 11:54:14 - 2017-02-07 22:23:312
Photometry
IDObs-dateMag. / FluxErrLim. Mag./FluxUnitsFilterTel / InstExp-timeObserver/sRemarks
133442017-02-07 22:23:3117.640.2ABMagG-GaiaGaia_Gaia-photometric60Robot
133432016-12-27 11:54:1421.5ABMagG-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
100702017-03-13 18:42:06PS1_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-STARRS111:10:01.98+63:38:36.242017-03-11 09:41:4519.04i-SloanPSNPS17buiPan-STARRS1
90942017-02-17 18:41:41Gaia_Bot1GaiaAlertsGaiaAlerts11:10:01.97+63:38:36.132017-02-07 22:23:3117.64G-GaiaPSNGaia17ajoGaiaAlertsconfirmed SN Ia SN 2017ah near galaxy MCG+11-14-008
76802017-01-05 09:35:14dongsuboRichard Post, Subo Dong, K. Stanek for the ASAS-SN teamASAS-SN11:10:01.96+63:38:34.162017-01-04 13:16:3617.35V-JohnsonPSNASASSN-17adASAS-SN
Classification Reportings
IDTime received (UT)SenderClassifier/sGroupClassificationRedshiftRelated filesAssoc. GroupsEnd prop. periodRemarks
7002017-01-06 21:09:40jlprietoE. Falco, J. L. PrietoASAS-SNSN IaASAS-SNWe obtained a spectrum of ASASSN-17ad/AT2017ah on UT 2017 Jan 5.5 with FAST mounted on the FLWO 1.5m telescope. The spectrum of ASASSN-17ad is that of a Type Ia caught on the rise. Cross-correlation with a library of supernova spectra using the SNID and GELATO give best matches with normal Type Ia at 8-10 days before maximum light. After correcting for the redshift of the host galaxy (z=0.032863), we measure a Si II 635.5 nm expansion velocity from the P-Cygni absorption trough of 15600 km/s.

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