Affiliation
American Association of Variable Star Observers (AAVSO)
Fri, 04/21/2023 - 16:21
A bright probable nova in Sco has been discovered by Andrew Pearce (Nedlands, W. Australia) as reported to the IAU CBAT Transient Object Confirmation Page (TOCP):
PNV J17224490-4137160 2023 04 20.6780 17 22 44.90 -41 37 16.0 8.0 Unfiltered (coords 2000)
The most recent observations from Pearce show the object continuing to brighten and at V = 7.32 on Apr. 20.855 UT. Even more recently N. Justino (São Vicente, Brazil) reported it at visual magnitude 7.0 on Apr. 21.20139 UT.
The object has been confirmed by several observers. However, spectroscopic confirmation is needed urgently.
Please report your findings as soon as possible.
Many thanks, and good observing,
Elizabeth Waagen, AAVSO HQ
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
With our 2SPOT team, we are on this target since 3 UTC with an eshel spectrograph (R=11000) realized from Chile.
The first raw spectrum is visible here : http://www.spectro-aras.com/forum/viewtopic.php?f=36&t=3090
Spectra will be process this afternoon (French time)
The 2SPOT Team : www.2spot.org
(Stéphane Charbonnel, Pascal Le Dû, Olivier Garde, Lionel Mulato, Thomas Petit)
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