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NGC 6340 (14,225 of 18,816)

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NGC 6340

NGC 6340, LEDA 59742, MCG+12-16-023, UGC 10762, II 767, h 1980, GC 4292

RA: 17h 10m 25.1s
Dec: +72° 18′ 17.1″

Con: Draco
Ch: MSA:1055, U2:29, SA:3

Ref: SIMBAD

(reference key)

Type: galaxy, Sa

Mag: B=11.9, V=?

Size: 3.019′ x 2.754′
PA: 120°

Historical observations

William Herschel (c.1784)

Synonyms: H II-767

Discovered in 1788 by William Herschel with an 18.7-inch f/13 speculum telescope. He called it "pB, pL, R, vgmbM."

Published comments

de Vaucouleurs, G. (1975) NGC 6643 Group

de Vaucouleurs, G. (1975) Nearby groups of galaxies. In: Kuiper, G. (ed) Stars and Stellar Systems. Volume 9: Galaxies and the Universe. Chapter 14, p557.

Foreground NGC 6503; background NGC 6621.

Brightest members: 6643 ( B(0) = 11.97), 6217 ( B(0) = 12.17), 6340 ( B(0) = 12.21), 6412 ( B(0) = 12.62), 6654 ( B(0) = 12.80).

Sulentic & Tifft (1973)

The RNGC (Sulentic and Tifft 1973) notes that this is a 12.5 mag galaxy. Their coded description reads R,SLDIF,SO),SMBM.

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 NGC 6643 Group. Members include NGC 6217, NGC 6340, NGC 6412, NGC 6643 & NGC 6654.

Sandage, A. et al. (1975) Galaxies and the Universe

G. de Vaucouleurs ("Galaxies and the Universe", Chapter 14 - Nearby Groups of Galaxies) notes that the five brightest members of the NGC 6643 group are NGC 6643, NGC 6217, NGC 6340, NGC 6412 & NGC 6654. NGC 6503 is a foreground member, and NGC 6621 is a background member.

Modern observations

Brian Skiff

UGC: pa(120).

15cm - not vis.

- sm, fairly f gx SE of m11.5 *. circ w/nuch brtr center. 1' diam.

- mod f, consp @ 50x nr wide pair (m10,11) on N side. 165x: diam ~2.5x

sep of pair, halo circ. core distinctly outlined, seems barred, elong

NE-SW. somewhat mottled texture. BS, 29Jun1992, Anderson Mesa.

25cm - seen @ 47x, obvious @ hix. 1' circ shape, mod diffuse edge. *ar nuc vis

during good seeing.

- m11.5 * has m12.5 comp E. poss elong pa30. vmuch brtr cen, not *ar.

just a little brtr view from 15cm.

30cm - mod concen w/br center. *ar nuc seems to have spots around it. 220x

shows it in pa120, 1'.75x1', circ core 40" across. smooth except for

sparkles around nuc. un= pair 2' NW.

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