A 19th-mag eclipsing object has apparently undergone a classical nova outburst which should therefore be about mag 6 at maximum. I have just done a sequence (b scale) to 10th mag, source Tycho.
Position is: 19 45 06.49 / 18 12 42.2
Currently the object has no AUID so search by position.
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It wasn’t an eclipsing binary, just another spurious result for a star that is too faint for Gaia to properly solve it.
This is the updated VSX entry.
Cheers,
Sebastian
There’s also a nifty Z And type nearby, QW Sge.
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Hello everyone,
We have just spectroscopically confirmed PNV J19450648+1822422 as an Fe II-type nova.
You can find the details here: ATel #18012: Spectroscopic Classification of PNV J19450648+1822422 as an Fe II-type Nova with Concurrent Photometry
Best regards,
Jiashuo Zhang
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Observed the nova last night at 2026-08-26 02:59:00 UT, estimated mag 7.1. Used a Celestron 8 Classic Orange.
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Tonight I took another image of V488 SAGITTAE = NOVA SAGITTAE 2026. Seems about the same as last night. From Glendale, CA, USA.
Hey everybody,
I was able to take a spectrum of NPV JD19450648+1822422 yesterday.
This is so exciting!!!
Cheers!
Enrique Boeneker
BETB
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Latest image from tonight. Hard to tell, but perhaps the nova seems slightly less bright than last observed by me two nights ago.
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Hi All,
I’d like to thank you for sending photometry and spectroscopy of V0488 Sge. I received an email from Dr. Ryan Norris at New Mexico Tech indicating that he was appreciative of these observations. He’s received a few nights of data from CHARA on the novae and these will help a lot with his interpretations.
Regarding spectroscopy specifically, he says:
H-alpha and H-beta are useful and if someone has high enough resolution, Fe II 5169 and Si II 6347/6371 are useful.
Kind regards,
Brian
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Comparing my spectra from 28th red and 30th blue the continuum has become fainter and so the H alpha seems to have got stronger.
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Another 2 hour session on V488 Sge last night.
I see that the peak of H-alpha is moving toward the red side in the days from 28/08 to 03/09. The continuum is also getting weaker.
red 28/08
blue 30/08
green 03/09
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