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+--- Thread: New Supernova in M 33 (/showthread.php?tid=2688)
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New Supernova in M 33 - PMSchu - 2022-11-21
Today's update to the Current Bright & Interesting Novae & Supernovae in ST4 Visual reports a new supernova in M 33 in Triangulum. The supernova is currently 13.5 magnitude.
This object is currently well placed for northern hemisphere evening viewing.
Phil S.
RE: New Supernova in M 33 - theskyhound - 2022-11-21
Thanks Phil. The discovery page is here: http://xjltp.china-vo.org/psp22aj.html with a bit more info and an image.
RE: New Supernova in M 33 - obrazell - 2022-11-21
that sounds awfully faint for an SN in M33. Could it just be an ordinary nova?
RE: New Supernova in M 33 - PMSchu - 2022-11-22
Owen,
All I know is what ST4 Visual told me. Did you check out Greg's link to the discovery page?
Phil S.
RE: New Supernova in M 33 - theskyhound - 2022-11-22
I think its a Nova, but we won't be sure until someone gets spectra. Its actually labeled as a Nova but showing up classified as a an SN.
RE: New Supernova in M 33 - PMSchu - 2022-11-22
Actually ST4v refers to this object as a Nova of type Supernova. It's quite a distance from the center of M 33 so hopefully not heavily obscured by dust. How bright did SN 1987A in the LMC get? Is it in the SkyTools database? I couldn't find it using the Designation Search.
Phil S.
RE: New Supernova in M 33 - theskyhound - 2022-11-23
Phil,
You repeated my earlier statement. I am sorry if I somehow wasn't as clear as I could have been. Apparently I missed SN 1987A when I added historical supernovae.
The active SN page still lists it as type unknown:
https://www.rochesterastronomy.org/novae.html#NM332211a
RE: New Supernova in M 33 - PMSchu - 2022-11-23
How bright should a Type Ia supernova be at the distance of M 33?
Phil S.
RE: New Supernova in M 33 - obrazell - 2022-11-23
well given S And in M31 reached about 6 one would assume the same kind of range. SN1997A was naked eye when it was discovered. It will still a binocular object when I saw it later in the year.. However given M33 one would expect some variant of a Type II SN from a core collapse object. SN 1987A was a core collapse SN from a blue supergiant so one would assume Type II or one of the Ib or Ic classes. A search suggests a peculiar Type II
RE: New Supernova in M 33 - PMSchu - 2022-11-23
How bright should a Type Ia supernova be at the distance of M 33 or was S And also a Type Ia?
Phil S.