RA/DEC (2000)
18:31:41.790 +16:39:05.04
277.924125 +16.6514
Type
SN Ia
Redshift
0.01
Reporting Group
ASAS-SN
Discovering Data Source
ASAS-SN
Discovery Date
2017-06-24 10:19:12.000
TNS AT
Y
Public
Y
Host Name
IRAS 18294+1636
Host Redshift
0.016288
Discovery Mag
16.7
Filter
V-Johnson
Reporter/s
K. Z. Stanek, for the ASAS-SN team

Spectra

 SN_2017exo - 2017-07-12 23:23:11 LT / FRODOspec (ASAS-SN)z=
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   Binning factor: (rounded to nearest integer >1)
Mouse hovers at WL: 0 (rest),0 (observed)

Light curves

 Gaia_Gaia-photometric_G_
 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
1090 2017-07-12 23:23:11 LT / FRODOspec 500 David Bersier David Bersier ASAS-SN tns_2017exo_2017-07-12_23-23-11_LT_FRODOspec_ASAS-SN.dat Object Flux calibration is approximate as it is based on an old calibration file
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
G-Gaia Gaia_Gaia-photometric 2017-05-04 17:49:55 - 2017-08-12 02:49:55 2457878.2429977 - 2457977.6179977 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
19485 2017-08-12 02:49:55 2457977.6179977 17.77 0.2 ABMag G-Gaia Gaia_Gaia-photometric 60 Robot
19484 2017-05-04 17:49:55 2457878.2429977 21.5 ABMag G-Gaia Gaia_Gaia-photometric Robot [Last non detection]
V-Johnson ASASSN-1_Brutus 2017-06-16 12:57:36 - 2017-06-24 10:19:12 2457921.04 - 2457928.93 3
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
18101 2017-06-24 10:19:12 2457928.93 16.7 VegaMag V-Johnson ASASSN-1_Brutus
18102 2017-06-21 09:50:24 2457925.91 17.1 VegaMag V-Johnson ASASSN-1_Brutus
18100 2017-06-16 12:57:36 2457921.04 17.5 VegaMag V-Johnson ASASSN-1_Brutus [Last non detection]
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 Bibcode Unreal Auto classification
13084 2017-08-16 11:13:18 Gaia_Bot1 A. Delgado,D. Harrison,S. Hodgkin et al. GaiaAlerts GaiaAlerts 18:31:41.790 +16:39:05.04 2017-08-12 02:49:55.000 17.77 G-Gaia PSN Gaia17cbj GaiaAlerts Confirmed SN Ia near galaxy 2MASX J18314192+1639104 (aka ASASSN-17ie) N
12198 2017-06-24 13:28:01 Krzysztof Stanek K. Z. Stanek,for the ASAS-SN team et al. ASAS-SN ASAS-SN 18:31:41.904 +16:39:07.34 2017-06-24 10:19:12.000 16.7 V-Johnson PSN IRAS 18294+1636 ASASSN-17ie ASAS-SN In two epochs, on the rise 2017TNSTR.688....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
1086 2017-07-13 10:12:53 David Bersier David Bersier ASAS-SN SN Ia 0.01 1 ASAS-SN Comparison with a library of spectra (with SNID) shows that this is a SN Ia about 12 days past maximum brightness, at a redshift of ~0.010 2017TNSCR.764....1B
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
1090 2017-07-12 23:23:11 LT / FRODOspec 500 David Bersier David Bersier ASAS-SN tns_2017exo_2017-07-12_23-23-11_LT_FRODOspec_ASAS-SN.dat Object Flux calibration is approximate as it is based on an old calibration file

Comments

TNS
System

Object coordinates updated

Object coordinates updated according to AT-report 13084 of Group GaiaAlerts
Previous RA, DEC: 18:31:41.904, +16:39:07.34 (277.9246, +16.65204)
Updated RA, DEC: 18:31:41.790, +16:39:05.04 (277.924125, 16.6514)