RA/DEC (2000)
17:37:11.010 -74:22:58.00
264.295875 -74.382778
Type
SN Ia
Redshift
0.01724
Discovery ReportClassification Report
Reporting Group
None
Discovering Data Source
None
Discovery Date
2020-07-10 02:35:13.000
TNS AT
Y
Public
Y
Host Name
IC 4654
Host Redshift
0.01724
Discovery Mag
16
Filter
L-
Reporter/s
Grzegorz Duszanowicz
NEDSIMBADDECaLSPanSTARRS-1SkyMapperVizieRWISEDSSADS

Spectra

 ▌SN_2020ohg - 2020-07-12 19:27:00 Other / Other (PSH)z=
▌Show H at z=vexp= km/s
▌Show He at z=vexp= km/s
▌Show He II at z=vexp= km/s
▌Show C II at z=vexp= km/s
▌Show C III at z=vexp= km/s
▌Show C IV at z=vexp= km/s
▌Show N II at z=vexp= km/s
▌Show N III at z=vexp= km/s
▌Show N IV at z=vexp= km/s
▌Show N V at z=vexp= km/s
▌Show O at z=vexp= km/s
▌Show [O I] at z=vexp= km/s
▌Show O II at z=vexp= km/s
▌Show [O II] at z=vexp= km/s
▌Show [O III] at z=vexp= km/s
▌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
▌Show Mg II at z=vexp= km/s
▌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
▌Show Å at z=vexp= km/s
▌Show Å at z=vexp= km/s
▌Show Å at z=vexp= km/s
▌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

 ▌Other_Other_L
   
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
7092 2020-07-12 19:27:00 Other / Other 10800 Grzegorz Duszanowicz Jarosław Grzegorzek PSH tns_2020ohg_2020-07-12_19-27-00_Other_Other_PSH.dat Object Optical spectrum made using low resolution slitless spectroscope SA-200 (R~100) and 0.35m SCT. After cross-correlating with a library of SN spectra using SNID (Blondin & Tonry 2007, ApJ, 666, 1024) we find best fit with SN Ia at 3 days before maximum.
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
L- Other_Other 2020-06-22 02:56:17 - 2020-07-10 02:35:13 2459022.622419 - 2459040.6077894 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
147206 2020-07-10 02:35:13 2459040.6077894 16 0.3 19 VegaMag L- Other_Other 60 G. Duszanowicz 0.35m f/7.3 SCT
147205 2020-06-22 02:56:17 2459022.622419 19.5 VegaMag L- Other_Other 60 G Duszanowicz [Last non detection] 0.35m f/7.3 SCT
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
76145 2020-07-10 10:51:59 Grzegorz Duszanowicz Grzegorz Duszanowicz 17:37:11.010 -74:22:58.00 2020-07-10 02:35:13.000 16 L- 2 PSN IC 4654 MSOSSP_06 G. Duszanowicz reports the discovery of a possible supernova in IC 4654 at mag 16.0 RA/Dec 17 37 11.01 -74 22 58.0 (limit 19.0mg). Object was detected on images taken with 0.35m f/7.3 SCT and CCD, luminance filter. 2020TNSTR2080....1D N
Related files
File Comments Last Modified (UT) Modified By
tns_2020ohg_atrep_76145.tiff Discovery picture 2020-07-10 10:53:54 Grzegorz Duszanowicz
tns_2020ohg_atrep_76145_0.tiff 2020-07-12 00:27:25 Grzegorz Duszanowicz
Classification Reports
ID Time received (UT) Sender Classifier/s Group Classification Redshift Spectra Related files Assoc. Groups End prop. period Remarks ADS Bibcode
7080 2020-07-13 23:56:46 Jaroslaw Grzegorzek Jaroslaw Grzegorzek PSH SN Ia 0.01724 1 PSH 2020TNSCR2125....1G
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
7092 2020-07-12 19:27:00 Other / Other 10800 Grzegorz Duszanowicz Jarosław Grzegorzek PSH tns_2020ohg_2020-07-12_19-27-00_Other_Other_PSH.dat Object Optical spectrum made using low resolution slitless spectroscope SA-200 (R~100) and 0.35m SCT. After cross-correlating with a library of SN spectra using SNID (Blondin & Tonry 2007, ApJ, 666, 1024) we find best fit with SN Ia at 3 days before maximum.

Comments

Grzegorz
Duszanowicz

Thu, 07/23/2020 - 02:40

Photometry

Observation: 22th of July (20200714.101UT) brightness 15.5 mg. Observer G. Duszanowicz
Grzegorz
Duszanowicz

Tue, 07/14/2020 - 05:11

Photometry 3

Observations made 14th of July (20200714.00UT) shows increase in brightness now to 15.5 mg. Observer G. Duszanowicz

Grzegorz
Duszanowicz

Sun, 07/12/2020 - 18:46

Observations made on July 12 

Observations made on July 12 (20200712.772UT)shows increase in brightness now to 15.7 mg. Observer G. Duszanowicz

Grzegorz
Duszanowicz

Sun, 07/12/2020 - 00:26

Photometry

Candidate observations made on July 12 (20200712.010UT) indicate a slight increase in brightness to 15.9 mg. Observer G. Duszanowicz