NGC 823 explained

NGC 823
Epoch:	J2000
Constellation Name:	Fornax
H Radial V:	4391 km/s
Z:	0.014754
Dist Ly:	^[1]
Type:	SA0^-(r):^[2]
Appmag B:	13.61
Size V:	1.7 × 1.2
Names:	^[3]

NGC 823, also known as IC 1782, is an unbarred lenticular galaxy in the constellation Fornax.^[2] It is estimated to be 194 million light-years from the Milky Way and has a diameter of approximately 100,000 light years. NGC 823 was discovered on October 14, 1830, by astronomer John Herschel.^{[4] [5]}

SN 2022abid (ZTF22abyelas) a Type Ia supernova from an exploding white dwarf was discovered on 23 November 2022.^[6]

See also

• List of NGC objects (1–1000)

References

1. Groups of Galaxies in the Two Micron All Sky Redshift Survey. Crook, Aidan C.. Huchra, John P.. Martimbeau, Nathalie. Masters, Karen L.. Jarrett, Tom. Macri, Lucas M.. The Astrophysical Journal. 655. 2. 790–813. 2007. 2007ApJ...655..790C. 10.1086/510201. astro-ph/0610732. 11672751.
2. Web site: Results for object NGC 0823 (NGC 823). NASA/IPAC Extragalactic Database. California Institute of Technology. 2021-02-02.
3. NGC 823. 2021-02-02.
4. Web site: The galaxy NGC 823 - In-The-Sky.org. Ford. Dominic. in-the-sky.org. en. 2020-03-28.
5. Web site: New General Catalogue objects: NGC 800 - 849. Seligman, Courtney. cseligman.com. 2021-02-02.
6. https://www.rochesterastronomy.org/supernova.html#2022abid SN 2022abid (ZTF22abyelas)