Affiliation
American Association of Variable Star Observers (AAVSO)
Fri, 04/21/2023 - 20:33
Alert Notice 821 reports on and announces an observing campaign for a bright nova in Sco - PNV J17224490-4137160. Please see the notice for details and observing instructions.
There are threads on this object under the following forums:
- Time Sensitive Alerts: https://www.aavso.org/probable-nova-in-sco-pnv-j-17224490-4137160
- Novae: https://www.aavso.org/probable-nova-in-sco-pnv-j-17224490-4137160-02
- Spectroscopy: https://www.aavso.org/probable-nova-in-sco-pnv-j-17224490-4137160-01
Please subscribe to these threads if you are observing this nova and/or participating in the campaign so you can be updated by the astronomer and by HQ. Join in the discussion or ask questions there!
Many thanks, and Good observing,
Elizabeth O. Waagen, AAVSO HQ
The comp star…
Dear friends,
The comp star "92' close to the nova in the chart X28661BO seems to be V635 Sco (=ASAS J172223-4144.6)
https://www.aavso.org/vsx/index.php?view=detail.top&oid=33451
https://www.aavso.org/sites/default/files/PNV%20J17224490-4137160_0.png
Photometry from ASAS database, magnitude range is <8.1-8.8>.
CBET 5245 (Daniel W. E. Green, Ed.) reports that PNV J17224490-4137160 has been confirmed spectroscopically as a nova and that E. Kazarovets informs him that the nova has been assigned the permanent GCVS designation V1716 Sco.
Good observing,
Elizabeth O. Waagen, AAVSO HQ