Supernova in NGC 4457 - SN 2020nvb

Active Dates: July 1, 2020 – July 2, 2020


Abstract:

Supernova in NGC 4457 (Vir). Discovered by Koichi Itagaki (Yamagata, Japan) with an unfiltered CCD magnitude of 13 using 0.5-m F/6.8 reflector+CCD (KAF-1001E) on 2020 July 1.5490 UT. Coordinates: R.A. 12 28 58.79 Decl. +03 34 22.1 (2000.0).

Justification:

Observations of all types (visual, CCD, DSLR, spectroscopy) and multiple bands as instrumentation permits are strongly encouraged as the supernova evolves.

Requested Data Types:

Photometry, Spectroscopy



Targets
Name Magnitude Variability Type Photometry Notes Spectroscopy Notes
SN 2020nvb 12.30 SN Ia

Cadence: Not Specified

Precision: 100

Cadence: Not Specified

Resolution: 250

Desired SNR: 100


Spectroscopy Lines:

No spectroscopy lines provided

Photometry Filters:

No photometry filters provided

Comparison Stars:

No comparison stars provided


Co-Authorship

Observers are not eligible for co-authorship.

Additional Observer Input:

Not provided

Additional Submission Location:

Not provided


Forum URL

N/A


Notes:

Principal Investigator: Koichi Itagaki; Imported Campaign (Alert Notice #709)