RA/DEC (2000)
02:04:59.730 -41:52:07.46
31.248875 -41.868739
Type
SN Ia
Redshift
0.07
Reporting Group
ASAS-SN
Discovering Data Source
ASAS-SN
Discovery Date
2017-12-18 01:55:12.000
TNS AT
Y
Public
Y
Host Name
LCRS B020256.9-420627
Discovery Mag
18.1
Filter
g-Sloan
Reporter/s
K. Z. Stanek, for the ASAS-SN team

Spectra

 SN_2017ixw - 2017-12-20 03:59:10 LCO-duPont / WFCCD (None)z=
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Show [Ca II] at z=vexp= km/s
Show Fe 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-3_Paczynski_g
 Gaia_Gaia-photometric_G
   
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
1575 2017-12-20 03:59:10 LCO-duPont / WFCCD N. Morrell N. Morrell None tns_2017ixw_2017-12-20_03-59-10_LCO-duPont_WFCCD.txt Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
g-Sloan ASASSN-3_Paczynski 2017-12-16 01:40:48 - 2017-12-18 01:55:12 2458103.57 - 2458105.58 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
23206 2017-12-18 01:55:12 2458105.58 18.1 ABMag g-Sloan ASASSN-3_Paczynski
23205 2017-12-16 01:40:48 2458103.57 18.4 ABMag g-Sloan ASASSN-3_Paczynski [Last non detection]
G-Gaia Gaia_Gaia-photometric 2017-11-21 01:33:36 - 2017-12-19 05:34:04 2458078.565 - 2458106.7319907 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
24777 2017-12-19 05:34:04 2458106.7319907 18.15 0.2 ABMag G-Gaia Gaia_Gaia-photometric 60 Robot
24776 2017-11-21 01:33:36 2458078.565 21.5 ABMag G-Gaia Gaia_Gaia-photometric Robot [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 ADS Bibcode Unreal Auto classification
16513 2018-01-16 10:29:04 Gaia_Bot1 A. Delgado, D. Harrison, S. Hodgkin et al. GaiaAlerts GaiaAlerts 02:04:59.730 -41:52:07.46 2017-12-19 05:34:04.000 18.15 G-Gaia PSN Gaia18adw GaiaAlerts confirmed SN Ia, aka SN2017ixw N
15351 2017-12-18 05:09:30 Krzysztof Stanek K. Z. Stanek, for the ASAS-SN team ASAS-SN ASAS-SN 02:04:59.669 -41:52:08.15 2017-12-18 01:55:12.000 18.1 g-Sloan PSN LCRS B020256.9-420627 ASASSN-17qw ASAS-SN Uknown redshift host 2017TNSTR1430....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
1571 2017-12-27 00:34:09 Benjamin Shappee N. Morrell (Las Campanas Observatory), Benjamin J. Shappee (IfA, U Hawaii), Maria Drout (Hubble Fellow, Carnegie Observatories) None SN Ia 0.07 1 2017TNSCR1483....1M
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
1575 2017-12-20 03:59:10 LCO-duPont / WFCCD N. Morrell N. Morrell None tns_2017ixw_2017-12-20_03-59-10_LCO-duPont_WFCCD.txt Object

Comments

TNS
System

Object coordinates updated

Object coordinates updated according to AT-report 16513 of Group GaiaAlerts
Previous RA, DEC: 02:04:59.669, -41:52:08.15 (31.24862, -41.86893)
Updated RA, DEC: 02:04:59.730, -41:52:07.46 (31.248875, -41.868739)