RA/DEC (2000)
11:42:49.650 +77:22:12.79
175.706875 +77.370219
Type
SN Ia
Redshift
0.006
Discovery ReportClassification Report
Reporting Group
ASAS-SN
Discovering Data Source
ASAS-SN
Discovery Date
2017-11-18 14:09:36.000
TNS AT
Y
Public
Y
Host Name
NGC 3901
Host Redshift
0.005624
Discovery Mag
15.8
Filter
V-Johnson
Reporter/s
K. Z. Stanek, for the ASAS-SN team
NEDSIMBADDECaLSPanSTARRS-1SkyMapperVizieRWISEDSSADS

Spectra

 ▌SN_2017igf - 2017-11-19 04:48:00 Other / Other (None)z=
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▌Show Mg at z=vexp= km/s
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▌Show Ca II at z=vexp= km/s
▌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)

Light curves

 ▌ASASSN-4_Leavitt_g
 ▌Gaia_Gaia-photometric_G
 ▌PS1_GPC1_i
 ▌ASASSN-1_Brutus_V
   
Pointer position (MJD, Mag, Abs.Mag): (0.00, 0.00, 0.00)
Spectra
 ID Obs-date (UT) Tel / Inst Exp-Time Observer/s Reducer/s Group Spectrum ascii file Spectrum fits file Spec. Type Assoc. Groups End prop. period Remarks
1438 2017-11-19 04:48:00 Other / Other 3610 R Leadbeater R Leadbeater None tns_2017igf_2017-11-19.200_Other_Other.dat tns_2017igf_2017-11-19.200_Other_Other.fit Object R~150 spectrum obtained using modified ALPY spectrograph at Three Hills Observatory as described here http://www.threehillsobservatory.co.uk/astro/spectroscopy_20.htm
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
g-Sloan ASASSN-4_Leavitt 2017-11-10 11:45:36 - 2017-11-10 11:45:36 2458067.99 - 2458067.99 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
22311 2017-11-10 11:45:36 2458067.99 17.7 ABMag g-Sloan ASASSN-4_Leavitt [Last non detection]
G-Gaia Gaia_Gaia-photometric 2017-10-17 10:55:12 - 2017-11-12 14:58:33 2458043.955 - 2458070.1239931 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
23442 2017-11-12 14:58:33 2458070.1239931 20.2 0.2 ABMag G-Gaia Gaia_Gaia-photometric 60 Robot
23441 2017-10-17 10:55:12 2458043.955 21.5 ABMag G-Gaia Gaia_Gaia-photometric Robot [Last non detection]
i-P1 PS1_GPC1 2018-01-06 13:47:59 - 2018-01-06 13:47:59 2458125.0749884 - 2458125.0749884 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
24590 2018-01-06 13:47:59 2458125.0749884 16.59 0.02 20.7 ABMag i-P1 PS1_GPC1 45 Robot
V-Johnson ASASSN-1_Brutus 2017-11-18 14:09:36 - 2017-11-18 14:09:36 2458076.09 - 2458076.09 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
22312 2017-11-18 14:09:36 2458076.09 15.8 VegaMag V-Johnson ASASSN-1_Brutus
AT Reports
ID Time received (UT) Sender Reporter/s Reporting group Disc. Data Source RA DEC Discovery date (UT) Discovery Mag. Filter Related files AT Type Host name Internal name Assoc. Groups End prop. period Remarks ADS Bibcode Unreal Auto classification
16398 2018-01-09 19:25:09 PS1_Bot1 K. C. Chambers, M. E. Huber, H. Flewelling et al. Pan-STARRS Pan-STARRS 11:42:49.651 +77:22:12.96 2018-01-06 13:47:59.000 16.59 i-P1 PSN PS18ct Pan-STARRS N
15461 2017-12-21 10:57:19 Gaia_Bot1 A. Delgado, D. Harrison, S. Hodgkin et al. GaiaAlerts GaiaAlerts 11:42:49.650 +77:22:12.79 2017-11-12 14:58:33.000 20.2 G-Gaia PSN Gaia17dim GaiaAlerts confirmed SN Ia, SN 2017igf, in galaxy NGC 3901, bright N
14793 2017-11-18 16:59:32 Krzysztof Stanek K. Z. Stanek, for the ASAS-SN team ASAS-SN ASAS-SN 11:42:49.853 +77:22:12.94 2017-11-18 14:09:36.000 15.8 V-Johnson PSN NGC 3901 ASASSN-17pg ASAS-SN 2017TNSTR1273....1S N
Classification Reports
ID Time received (UT) Sender Classifier/s Group Classification Redshift Spectra Related files Assoc. Groups End prop. period Remarks ADS Bibcode
1434 2017-11-19 11:56:31 Robin Leadbeater Robin Leadbeater None SN Ia 0.006 1 1 Classification using SNID ( Blondin, S. & Tonry, J. L. 2007. ApJ, 666, 1024) gives a good fit to a type Ia supernova near maximum. 2017TNSCR1282....1L
Related files
File Comments Last Modified (UT) Modified By
tns_2017igf_classrep_1434.ps SNID match 2017-11-19 11:56:31 Robin Leadbeater
Spectra
ID Obs-date (UT) Tel / Inst Exp-Time Observer/s Reducer/s Group Spectrum ascii file Spectrum fits file Spec. Type Assoc. Groups End prop. period Remarks
1438 2017-11-19 04:48:00 Other / Other 3610 R Leadbeater R Leadbeater None tns_2017igf_2017-11-19.200_Other_Other.dat tns_2017igf_2017-11-19.200_Other_Other.fit Object R~150 spectrum obtained using modified ALPY spectrograph at Three Hills Observatory as described here http://www.threehillsobservatory.co.uk/astro/spectroscopy_20.htm

Comments

TNS
System

Sun, 06/23/2019 - 10:43

Object coordinates updated

Object coordinates updated according to AT-report 15461 of Group GaiaAlerts
Previous RA, DEC: 11:42:49.853, +77:22:12.94 (175.70772, +77.37026)
Updated RA, DEC: 11:42:49.650, +77:22:12.79 (175.706875, 77.370219)