RA/DEC (2000)
23:29:53.215 +27:22:40.87
352.471729804 +27.3780201806
Type
SN Ia
Redshift
0.023823
Reporting Group
ATLAS
Discovering Data Source
ATLAS
Discovery Date
2018-08-05 14:31:12.000
TNS AT
Y
Public
Y
Discovery Mag
17.66
Filter
cyan-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, D. R. Young, M. Fulton, O. McBrien, D. O'Neill, P. Clark (Queen's University Belfast)

Spectra

 SN_2018epx - 2018-09-07 10:55:28 P60 / SEDM (ZTF)z=
 SN_2018epx - 2018-08-07 08:35:00 Plaskett / Plaskett (DAO_OTS)z=
 SN_2018epx - 2018-08-05 23:47:35 UH88 / SNIFS (SCAT)z=
 SN_2018epx - 2018-08-05 23:47:35 UH88 / SNIFS (SCAT)z=
Show H at z=vexp= km/s
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Show [Ca II] at z=vexp= km/s
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Show Tellurics 
Show Galaxy lines at z=
Show WR-WN at z=vexp= km/s
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   Binning factor: (rounded to nearest integer >1)
Mouse hovers at WL: 0 (rest),0 (observed)

Light curves

 P48_ZTF-Cam_g
 ATLAS-MLO_ATLAS-01_orange
 ATLAS-HKO_ATLAS-02_cyan
 PS1_GPC1_w
   
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
2680 2018-09-07 10:55:28 P60 / SEDM 2430 SEDmRobot auto ZTF tns_2018epx_2018-09-07_10-55-28_P60_SED-Machine_ZTF.ascii Object 2021-09-07
2457 2018-08-07 08:35:00 Plaskett / Plaskett 3600 Balam Balam DAO_OTS tns_2018epx_2018-08-07_08-35-00_Plaskett_Telescope_Plaskett_DAO_OTS.txt tns_2018epx_2018-08-07_08-35-00_Plaskett_Telescope_Plaskett_DAO_OTS.fits Object follow-up spectrum
2454 2018-08-05 23:47:35 UH88 / SNIFS 1500 M.A.Tucker SCAT tns_2018epx_2458336.491377_UH88_SNIFS_SCAT_0.dat Object
2452 2018-08-05 23:47:35 UH88 / SNIFS 1500 M.A.Tucker SCAT tns_2018epx_2458336.491377_UH88_SNIFS_SCAT.dat Object Reduced with a summit quick reduction pipeline, care should be taken before re-using this data for further studies.
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
g-ZTF P48_ZTF-Cam 2018-08-22 10:00:28 - 2018-08-31 09:43:12 2458352.9169907 - 2458361.905 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
34683 2018-08-31 09:43:12 2458361.905 17.51 ABMag g-ZTF P48_ZTF-Cam 30 ZTF
34682 2018-08-22 10:00:28 2458352.9169907 16.7 ABMag g-ZTF P48_ZTF-Cam 30 ZTF
orange-ATLAS ATLAS-MLO_ATLAS-01 2018-08-03 14:42:43 - 2018-08-03 14:42:43 2458334.1129977 - 2458334.1129977 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
33117 2018-08-03 14:42:43 2458334.1129977 18.41 ABMag orange-ATLAS ATLAS-MLO_ATLAS-01 30 Robot [Last non detection]
cyan-ATLAS ATLAS-HKO_ATLAS-02 2018-08-05 14:31:12 - 2018-08-05 14:31:12 2458336.105 - 2458336.105 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
33118 2018-08-05 14:31:12 2458336.105 17.66 0.036 19.52 ABMag cyan-ATLAS ATLAS-HKO_ATLAS-02 30 Robot
w-P1 PS1_GPC1 2018-08-09 10:45:07 - 2018-08-09 10:45:07 2458339.9479977 - 2458339.9479977 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
33694 2018-08-09 10:45:07 2458339.9479977 16.97 0.03 22 ABMag w-P1 PS1_GPC1 45 Robot
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
22055 2018-08-31 22:11:38 ZTF_Bot1 C. Fremling (Caltech) on behalf of the Zwicky Transient Facility (ZTF) collaboration et al. ZTF ZTF 23:29:53.223 +27:22:40.78 2018-08-22 10:00:28.000 16.7 g-ZTF PSN ZTF18abosrco ZTF N
21569 2018-08-12 22:30:14 PS1_Bot1 K. C. Chambers,M. E. Huber,H. Flewelling et al. Pan-STARRS Pan-STARRS 23:29:53.215 +27:22:40.87 2018-08-09 10:45:07.000 16.97 w-P1 PSN PS18bjl Pan-STARRS N
21250 2018-08-05 21:20:22 ATLAS_Bot1 J. Tonry,B. Stalder,L. Denneau et al. ATLAS ATLAS 23:29:53.217 +27:22:40.90 2018-08-05 14:31:12.000 17.66 cyan-ATLAS PSN ATLAS18taz ATLAS 2018TNSTR1102....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
2673 2018-09-07 18:49:47 ZTF_Bot1 C. Fremling, A. Dugas, Y. Sharma (Caltech) on behalf of the Zwicky Transient Facility (ZTF) ZTF SN Ia 0.023823 1 ZTF 2018TNSCR2141....1F
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
2680 2018-09-07 10:55:28 P60 / SEDM 2430 SEDmRobot auto ZTF tns_2018epx_2018-09-07_10-55-28_P60_SED-Machine_ZTF.ascii Object 2021-09-07
2450 2018-08-07 18:21:03 Dave Balam Dave Balam (DAO), E, Hsiao (FSU) DAO_OTS SN Ia 0.024 1 DAO_OTS follow-up spectrum 2018TNSCR2124....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
2457 2018-08-07 08:35:00 Plaskett / Plaskett 3600 Balam Balam DAO_OTS tns_2018epx_2018-08-07_08-35-00_Plaskett_Telescope_Plaskett_DAO_OTS.txt tns_2018epx_2018-08-07_08-35-00_Plaskett_Telescope_Plaskett_DAO_OTS.fits Object follow-up spectrum
2447 2018-08-06 14:30:03 Michael Tucker Michael A. Tucker, Benjamin J. Shappee (IfA, UH Manoa) SCAT SN Ia 0.024 1 SCAT SN Ia near maximum light (SNID phase = -1.7+/-5.0). Replacement for previous report. 2018TNSCR2123....1T
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
2454 2018-08-05 23:47:35 UH88 / SNIFS 1500 M.A.Tucker SCAT tns_2018epx_2458336.491377_UH88_SNIFS_SCAT_0.dat Object
2445 2018-08-06 13:44:02 Michael Tucker Michael A. Tucker, Benjamin J. Shappee (IfA, UH Manoa) SCAT SN Ia 0.003 1 SCAT Nearby SN Ia before maximum light (SNID phase = -1.7 +/- 5.0) 2018TNSCR1115....1T
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
2452 2018-08-05 23:47:35 UH88 / SNIFS 1500 M.A.Tucker SCAT tns_2018epx_2458336.491377_UH88_SNIFS_SCAT.dat Object Reduced with a summit quick reduction pipeline, care should be taken before re-using this data for further studies.

Comments

TNS
System

Object coordinates updated

Object coordinates updated according to AT-report 21569 of Group Pan-STARRS1
Previous RA, DEC: 23:29:53.217, +27:22:40.90 (352.471738, +27.378028)
Updated RA, DEC: 23:29:53.215, +27:22:40.87 (352.471729804, 27.3780201806)