1998S | Transient Name Server

RA/DEC (2000)

11:46:06.180 +47:28:55.49

176.52575 +47.48208

Type

SN IIn

Redshift

0.003

Classification Report

Related AstroNotes: DRAFT-709

Discovery Date

1998-03-02 00:00:00.000

Public

Host Name

NGC 3877

Comments

[Discoverer=BAO Supernova Survey; DiscoveryRef=IAUC 6829; PositionRef=IAUC 6831; Orig Type=II ]

Discovery Mag

15.2

IAU name

sn1998S

NED SIMBAD DECaLS PanSTARRS-1 SkyMapper VizieR WISE DSS ADS

Spectra

Select	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
	10536	1998-03-04 00:00:00	Keck1 / HIRES		UCB-SNDB		None	tns_1998S_1998-03-04_Keck1_HIRES.txt		Object			Spectrum 1 used in the reclassification of SN1998S in Ransome et al., 2021.
Binning factor: (rounded to nearest integer >1) Mouse hovers at WL: 0 (rest), 0 (observed) ▌Show H at z=v_exp= km/s ▌Show He at z=v_exp= km/s ▌Show He II at z=v_exp= km/s ▌Show C II at z=v_exp= km/s ▌Show C III at z=v_exp= km/s ▌Show C IV at z=v_exp= km/s ▌Show N II at z=v_exp= km/s ▌Show N III at z=v_exp= km/s ▌Show N IV at z=v_exp= km/s ▌Show N V at z=v_exp= km/s ▌Show O at z=v_exp= km/s ▌Show [O I] at z=v_exp= km/s ▌Show O II at z=v_exp= km/s ▌Show [O II] at z=v_exp= km/s ▌Show [O III] at z=v_exp= km/s ▌Show O V at z=v_exp= km/s ▌Show O VI at z=v_exp= km/s ▌Show Na at z=v_exp= km/s ▌Show Mg at z=v_exp= km/s ▌Show Mg II at z=v_exp= km/s ▌Show Si II at z=v_exp= km/s ▌Show S II at z=v_exp= km/s ▌Show Ca II at z=v_exp= km/s ▌Show [Ca II] at z=v_exp= km/s ▌Show Fe II at z=v_exp= km/s ▌Show Fe III at z=v_exp= km/s ▌Show Å at z=v_exp= km/s ▌Show Å at z=v_exp= km/s ▌Show Å at z=v_exp= km/s ▌Show Å at z=v_exp= km/s ▌Show Tellurics ▌Show Galaxy lines at z= ▌Show WR-WN at z=v_exp= km/s ▌Show WR-WC/O at z=v_exp= km/s Remarks Spectrum 1 used in the reclassification of SN1998S in Ransome et al., 2021.

Light Curves

No Data

AT Reports

No Data

Classification Reports

Time received (UT)

Sender

Classifier/s

Group

Classification

Redshift

Spectra

Related files

Assoc. Groups

End prop. period

Remarks

ADS Bibcode

10488

2021-08-16 16:49:06

Conor Ransome

None

SN IIn

0.003

Reclassification of SN1993N in Ransome et al., 2021. SN1998S was placed in the 'gold' category.

2021TNSCR2830....1R

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
10536	1998-03-04 00:00:00	Keck1 / HIRES		UCB-SNDB		None	tns_1998S_1998-03-04_Keck1_HIRES.txt		Object			Spectrum 1 used in the reclassification of SN1998S in Ransome et al., 2021.