SN 2018aaz
RA/DEC (2000)
10:13:48.24 +38:45:47.40
153.451 +38.763167
Type
SN Ia
Redshift
0.023
Discovery Date
2018-03-06 13:36:19
TNS AT
Y
Public
Y
Host Name
NGC 3158
Discovery Mag
18.3
Filter
Clear-
Discoverer/s
Koichi Itagaki
 2018-03-07 10:36:32 FTN / FLOYDS-N (Global SN Project)
 2018-03-07 00:00:00 P60 / SED-Machine (ZTF)
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Spectra
IDObs-date (UT)Tel / InstExp-TimeObserver/sReducer/sGroupSpectrum ascii fileSpectrum fits fileSpec. TypeAssoc. GroupsEnd prop. periodRemarks
17702018-03-07 10:36:32FTN / FLOYDS-N3600Las Cumbres ObservatoryGriffin HosseinzadehGlobal SN Project tns_2018aaz_2018-03-07_10-36-32_FTN_FLOYDS-N_Global_SN_Project.ascii tns_2018aaz_2018-03-07_10-36-32_FTN_FLOYDS-N_Global_SN_Project.fitsObjectGlobal SN Project
19562018-03-07 00:00:00P60 / SED-MachineR. WaltersD. NeilZTF tns_2018aaz_2018-03-07.0_P60_SED-Machine_ZTF.txtObjectZTF
Light Curves
FilterTel / InstObs-date rangePhotometry
Clear-Other_Other2018-03-06 13:36:19 - 2018-03-06 13:36:191
Photometry
IDObs-dateMag. / FluxErrLim. Mag./FluxUnitsFilterTel / InstExp-timeObserver/sRemarks
258582018-03-06 13:36:1918.3VegaMagClear-Other_OtherK.Itagaki0.5m- f6.8
R-CousinsOther_Other2018-03-16 09:48:00 - 2018-03-16 09:48:001
Photometry
IDObs-dateMag. / FluxErrLim. Mag./FluxUnitsFilterTel / InstExp-timeObserver/sRemarks
261742018-03-16 09:48:0017.3VegaMagR-CousinsOther_Other150F.Watanabe0.4-m f/10 Meili telescope (Meade Schmidt-Cassegrain telescope) + CCD (SBIG STL-1001E) at Nayoro Observatory
orange-ATLASATLAS1_ACAM12018-03-03 10:59:31 - 2018-03-11 10:12:002
Photometry
IDObs-dateMag. / FluxErrLim. Mag./FluxUnitsFilterTel / InstExp-timeObserver/sRemarks
262142018-03-11 10:12:0017.1740.13717.97ABMagorange-ATLASATLAS1_ACAM130Robot
262132018-03-03 10:59:3117.31ABMagorange-ATLASATLAS1_ACAM130Robot[Last non detection]
G-GaiaGaia_Gaia-photometric2018-01-03 14:39:50 - 2018-04-10 17:11:022
Photometry
IDObs-dateMag. / FluxErrLim. Mag./FluxUnitsFilterTel / InstExp-timeObserver/sRemarks
269532018-04-10 17:11:0218.830.2ABMagG-GaiaGaia_Gaia-photometric60Robot
269522018-01-03 14:39:5021.5ABMagG-GaiaGaia_Gaia-photometricRobot[Last non detection]
r-ZTFP48_ZTF-Cam2018-02-11 08:55:40 - 2018-03-05 06:20:092
Photometry
IDObs-dateMag. / FluxErrLim. Mag./FluxUnitsFilterTel / InstExp-timeObserver/sRemarks
260722018-03-05 06:20:0918.7ABMagr-ZTFP48_ZTF-Cam30ZTF-comissioning
260712018-02-11 08:55:4020.2ABMagr-ZTFP48_ZTF-Cam30ZTF-comissioning[Last non detection]
AT Reportings
IDTime received (UT)SenderReporter/s (Discoverer/s)GroupRADECDiscovery date (UT)Discovery Mag.FilterRelated filesAT TypeInternal nameAssoc. GroupsEnd prop. periodRemarks
177452018-04-12 06:39:08Gaia_Bot1A. Delgado, D. Harrison, S. Hodgkin, M. van Leeuwen, G. Rixon, A. Yoldas (University of Cambridge), on behalf of Gaia Alerts teamGaiaAlerts10:13:48.27+38:45:47.162018-04-10 17:11:0218.83G-GaiaPSNGaia18axmGaiaAlertsconfirmed SN Ia, aka SN2018aaz
173532018-03-17 18:52:03ATLAS_Bot1J. Tonry, B. Stalder, L. Denneau, A. Heinze, H. Weiland (IfA, University of Hawaii), A. Rest (STScI), K. W. Smith, S. J. Smartt, D. R. Young, M. Fulton, O. McBrien, D. O'Neill, P. Clark (Queen's University Belfast)ATLAS10:13:48.27+38:45:47.132018-03-11 10:12:0017.174orange-ATLASPSNATLAS18mleATLAS
173342018-03-16 12:27:45Fumitake WatanabeFumitake Watanabe10:13:48.24+38:45:47.402018-03-06 13:36:1917.3R-CousinsPSN
Related files
FileFile TypeCommentsLast Modified (UT)Modified By
tns_2018aaz_atrep_17334.jpgGraphics2018-03-18 08:04:05Fumitake Watanabe
172802018-03-12 16:26:05ZTF_Bot1Ragnhild Lunnan, Francesco Taddia, Jesper Sollerman, Cristina Barbarino (OKC), Christoffer Fremling, Mansi Kasliwal, Chris Canella, Nadejda Blagorodnova, J. Don Neill, Richard Walters, Anna Ho (Caltech), Steve Schulze, Ofer Yaron, Avishay Gal-Yam, Yi Yang (Weizmann) on behalf of the ZTFZTF10:13:48.27+38:45:47.102018-03-05 06:20:0918.7r-ZTFPSNZTF18aabstmwZTF2018-04-24
171462018-03-06 14:18:57K.ItagakiKoichi Itagaki10:13:48.24+38:45:47.402018-03-06 13:36:1918.3Clear-PSN
Classification Reportings
IDTime received (UT)SenderClassifier/sGroupClassificationRedshiftRelated filesAssoc. GroupsEnd prop. periodRemarks
19512018-04-25 06:37:36ZTF_Bot1D. Neil, R. Walters, C. Fremling (Caltech), R. Lunnan, J. Sollerman (OKC), S. Schulze, O. Yaron, A. Gal-Yam (Weizmann) on behalf of ZTFZTFSN Ia0.023ZTF
17652018-03-07 19:22:44griffinGriffin Hosseinzadeh, Daichi Hiramatsu, Iair Arcavi, Jamison Burke, D. Andrew Howell, Curtis McCully, Stefano ValentiGlobal SN ProjectSN Ia-91bg-like0.023Global SN ProjectUsing Superfit (Howell et al. 2005, ApJ, 634, 1190), we find a good fit to SN 1991bg at maximum light at the redshift of the proposed host galaxy (z=0.023; Mahdavi & Geller 2004, ApJ, 607, 202 via NED). However, the higher velocities of the observed spectrum and the relatively faint discovery magnitude (M=-16.6 mag) suggest it is before maximum light.

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