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Deep Sky Observer's Companion – the online database

 

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Entire DOCdb database of 18,816 objects.

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NGC 4670 (10,197 of 18,816)

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NGC 4670

NGC 4670, Arp 163, LEDA 42987, MCG+05-30-072, UGC 7930, III 328, h 1422, GC 3201

RA: 12h 45m 17.09s
Dec: +27° 07′ 30.8″

Con: Coma Berenices
Ch: MSA:653, U2:149, SA:7

Ref: SIMBAD

(reference key)

Type: galaxies (interacting), S0

Mag: B=12.6, V=?

Size: 1.23′ x 1.047′
PA: 90°

Historical observations

William Herschel (c.1784)

Synonyms: H III-328

Discovered in 1785 by William Herschel with an 18.7-inch f/13 speculum telescope. He called it "F, S."

Published comments

Arp (1966)

Listed as No. 163 in Arp's "Atlas of Peculiar Galaxies" (Astrophysical Journal Supplement, vol. 14, 1966.)

Sulentic & Tifft (1973)

The RNGC (Sulentic and Tifft 1973) notes that this is a 13.5 mag galaxy. Their coded description reads E,SLEL,BM,HISB.

Sandage & Tammann (1975)

Sandage, A. & Tammann, G. A. (1975) Steps toward the Hubble constant. V - The Hubble constant from nearby galaxies and the regularity of the local velocity field. ApJ, 196, 313-328. [1975ApJ...196..313S]

Sandage and Tammann (1975, Astrophysical Journal, 196, 313-328) includes this galaxy in the Coma I Cloud. Members include NGC 4203, NGC 4245, NGC 4251, NGC 4274, NGC 4278, NGC 4283, NGC 4314, NGC 4414, NGC 4448, NGC 4494, NGC 4559, NGC 4565, NGC 4670 & NGC 4725.

Modern observations

Brian Skiff

30cm - sharply concen to br beady nuc. elong E-W, 1'x0'.75. core fades

smoothly into halo. m13 * 2' SW. -73 vis SE.

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The Messier objects

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Everything on DOCdb.net is © 2004-2010 by Auke Slotegraaf, unless stated otherwise or if you can prove you have divine permission to use it. Before using material published here, please consult the Creative Commons Attribution-Non-Commercial-Share Alike 2.5 License. Some material on DOCdb is copyright the individual authors. If in doubt, don't reproduce. And that goes for having children, too. Please note that the recommended browser for DOCdb is Firefox 3.x. You may also get good results with K-Meleon. Good luck if you're using IE. A successful experience with other browsers, including Opera and Safari, may vary.