Alert Notice 742: V1405 Cas = N Cas 2021 brightening
Active Dates: May 5, 2021 – None
Abstract:
V1405 Cas (Nova Cas 2021), discovered on March 18 UT at unfiltered CCD magnitude 9.6, is undergoing a sudden increase in brightness. Further observations are requested as it continues to evolve.
Justification:
Please observe V1405 Cas as it continues to evolve, with observations of all types (visual, CCD, DSLR, PEP, spectroscopy) and multiple bands as instrumentation permits. Frequency of observation depends on the rate of change, but should be at least one observation per night per band.
Requested Data Types:
Spectroscopy, Photometry
Targets
| Name | Magnitude | Variability Type | Photometry Notes | Spectroscopy Notes |
|---|---|---|---|---|
| V1405 Cas | 5.20 | NB: |
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
Notes:
Principal Investigator: Elizabeth O. Waagen; Imported Campaign (Alert Notice #742)