Alert Notice 677: Recurrent nova V3890 Sgr in outburst
Abstract:
The symbiotic star and recurrent nova V3890 Sgr is in outburst, its third recorded outburst. The current outburst was first reported by Alfredo Pereira on August 27, 2019, at visual magnitude 6.7. Previous outbursts occurred in 1962 and 1990.
Justification:
Observations are needed immediately because of the rapid evolution of the outburst and the associated high energy phenomena.
Requested Data Types:
Photometry, Spectroscopy
Targets
| Name | Magnitude | Variability Type | Photometry Notes | Spectroscopy Notes |
|---|---|---|---|---|
| V3890 Sgr | 7.10 | NR+E |
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: Dr. Ulisse Munari; Imported Campaign (Alert Notice #677)