RA/DEC (2000)
22:02:42.420 -32:47:33.47
330.67675 -32.792631
Type
SN Ia
Redshift
0.0089
Discovery ReportClassification Report
Reporting Group
ATLAS
Discovering Data Source
ATLAS
Discovery Date
2017-08-10 11:52:48.000
TNS AT
Y
Public
Y
Discovery Mag
15.89
Filter
orange-ATLAS
Reporter/s
J. Tonry, B. Stalder, L. Denneau, A. Heinze, H. Weiland (IfA, University of Hawaii), A. Rest (STScI), K.W. Smith, S. J. Smartt (Queen's University Belfast)
NEDSIMBADDECaLSPanSTARRS-1SkyMapperVizieRWISEDSSADS

Spectra

 ▌SN_2017gah - 2017-08-13 13:32:04 FTS / FLOYDS-S (Global SN Project)z=
▌Show H at z=vexp= km/s
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▌Show N II at z=vexp= km/s
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▌Show N IV at z=vexp= km/s
▌Show N V at z=vexp= km/s
▌Show O at z=vexp= km/s
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▌Show O V at z=vexp= km/s
▌Show O VI at z=vexp= km/s
▌Show Na at z=vexp= km/s
▌Show Mg at z=vexp= km/s
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▌Show Si II at z=vexp= km/s
▌Show S II at z=vexp= km/s
▌Show Ca II at z=vexp= km/s
▌Show [Ca II] at z=vexp= km/s
▌Show Fe II at z=vexp= km/s
▌Show Fe III at z=vexp= km/s
▌Show Å at z=vexp= km/s
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▌Show Tellurics 
▌Show Galaxy lines at z=
▌Show WR-WN at z=vexp= km/s
▌Show WR-WC/O at z=vexp= km/s
   Binning factor: (rounded to nearest integer >1)
Mouse hovers at WL: 0 (rest),0 (observed)

Light curves

 ▌Gaia_Gaia-photometric_G
 ▌ATLAS-MLO_ATLAS-01_orange
 ▌ASASSN-2_Cassius_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
1110 2017-08-13 13:32:04 FTS / FLOYDS-S 1800 Las Cumbres Observatory Griffin Hosseinzadeh Global SN Project tns_2017gah_2017-08-13_13-32-04_FTS_FLOYDS-S_Global_SN_Project.ascii tns_2017gah_2017-08-13_13-32-04_FTS_FLOYDS-S_Global_SN_Project.fits Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
G-Gaia Gaia_Gaia-photometric 2017-05-21 18:30:14 - 2017-10-01 18:56:09 2457895.2709954 - 2458028.2889931 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
20842 2017-10-01 18:56:09 2458028.2889931 16.95 0.2 ABMag G-Gaia Gaia_Gaia-photometric 60 Robot
20841 2017-05-21 18:30:14 2457895.2709954 21.5 ABMag G-Gaia Gaia_Gaia-photometric Robot [Last non detection]
orange-ATLAS ATLAS-MLO_ATLAS-01 2017-08-05 10:07:40 - 2017-08-10 11:52:48 2457970.9219907 - 2457975.995 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
19400 2017-08-10 11:52:48 2457975.995 15.89 0.05 17.97 ABMag orange-ATLAS ATLAS-MLO_ATLAS-01 30 Robot
19399 2017-08-05 10:07:40 2457970.9219907 18.05 ABMag orange-ATLAS ATLAS-MLO_ATLAS-01 30 Robot [Last non detection]
V-Johnson ASASSN-2_Cassius 2017-08-06 04:19:12 - 2017-08-10 04:19:12 2457971.68 - 2457975.68 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
19402 2017-08-10 04:19:12 2457975.68 15.6 VegaMag V-Johnson ASASSN-2_Cassius
19401 2017-08-06 04:19:12 2457971.68 17 VegaMag V-Johnson ASASSN-2_Cassius [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
13885 2017-10-03 03:19:04 Gaia_Bot1 A. Delgado, D. Harrison, S. Hodgkin et al. GaiaAlerts GaiaAlerts 22:02:42.420 -32:47:33.47 2017-10-01 18:56:09.000 16.95 G-Gaia PSN Gaia17cmh GaiaAlerts confirmed SN Ia ~30arcsec from galaxy MRSS 404-089540 N
13042 2017-08-11 13:07:26 Krzysztof Stanek B. Nicholls, K. Z. Stanek, for the ASAS-SN team ASAS-SN ASAS-SN 22:02:42.778 -32:47:33.11 2017-08-10 04:19:12.000 15.6 V-Johnson PSN NGC 7187 ASASSN-17kq ASAS-SN Confirmed by B. Nicholls N
13041 2017-08-11 09:25:02 ATLAS_Bot1 J. Tonry, B. Stalder, L. Denneau et al. ATLAS ATLAS 22:02:42.431 -32:47:33.50 2017-08-10 11:52:48.000 15.89 orange-ATLAS PSN ATLAS17jiv ATLAS 2017TNSTR.860....1T N
Classification Reports
ID Time received (UT) Sender Classifier/s Group Classification Redshift Spectra Related files Assoc. Groups End prop. period Remarks ADS Bibcode
1106 2017-08-13 23:57:50 Griffin Hosseinzadeh Griffin Hosseinzadeh, Stefano Valenti, D. Andrew Howell, Iair Arcavi, Curtis McCully Global SN Project SN Ia 0.0089 1 2 Global SN Project Using Superfit (Howell et al. 2005, ApJ, 634, 1190) and SNID (Blondin & Tonry 2007, ApJ, 666, 1024), we find good fits to several normal Type Ia supernovae before or near maximum light at the redshift of the proposed host galaxy (z=0.0089; Lauberts & Valentijn 1989, "The Surface Photometry Catalogue of the ESO-Uppsala Galaxies" via NED). 2017TNSCR.865....1H
Related files
File Comments Last Modified (UT) Modified By
tns_2017gah_classrep_1106_Global_SN_Project.ps Superfit to normal Type Ia SN 2001ay at peak 2017-08-13 23:57:50 Griffin Hosseinzadeh
tns_2017gah_classrep_1106_Global_SN_Project_0.ps SNID fit to normal Type Ia SN 2007hj at +1 day 2017-08-13 23:57:50 Griffin Hosseinzadeh
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
1110 2017-08-13 13:32:04 FTS / FLOYDS-S 1800 Las Cumbres Observatory Griffin Hosseinzadeh Global SN Project tns_2017gah_2017-08-13_13-32-04_FTS_FLOYDS-S_Global_SN_Project.ascii tns_2017gah_2017-08-13_13-32-04_FTS_FLOYDS-S_Global_SN_Project.fits Object

Comments

TNS
System

Sun, 06/23/2019 - 10:43

Object coordinates updated

Object coordinates updated according to AT-report 13885 of Group GaiaAlerts
Previous RA, DEC: 22:02:42.431, -32:47:33.50 (330.676795, -32.7926375)
Updated RA, DEC: 22:02:42.420, -32:47:33.47 (330.67675, -32.792631)

Ofer
Yaron

Fri, 08/11/2017 - 23:38

ASAS-SN report for 2017gai associated with this object - 2017gah

Object AT2017gai was removed.