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NGC 5091 (11,356 of 18,816)


oc gc pln bn dn gx gxcl ast aka lost




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NGC 5091

NGC 5091, ESO 270-4, LEDA 46626, MCG-07-27-055, SGC 131823-4327.5, h 3488, GC 3497

RA: 13h 21m 18.52s
Dec: −43° 43′ 19.1″

Con: Centaurus
Ch: MSA:933, U2:403, SA:21


(reference key)

Type: galaxies (interacting), Sb:

Mag: B=14.48, V=13.35

Size: 1.995′ x 0.389′
PA: 130°

Historical observations

John Herschel

Discovered by John Herschel at the Cape of Good Hope with an 18-inch f/13 speculum telescope. He recorded it as "faint, slightly elongated. The last of group; attached to the preceding one." His second observation reads: "very faint, round, 20 arcseconds. The last of four." The galaxies in this group are NGC 5082, 5086, 5090 & NGC 5091.

Published comments

Sulentic & Tifft (1973)

The RNGC (Sulentic and Tifft 1973) notes that this is a galaxy. Their coded description reads EON,BM.

Bergwall et.al. (1978)

Bergwall et.al. (1978(Astron. Astrophys. Suppl. 33, 243-255) gives this galaxy's B-magnitude in the Johnson system as 14.9. They remark: "Detached 'spiral arm' (?) in the direction of IG 02 [NGC 5090]."

Photo index

Photo Index by Jim Lucyk: Cat.of South.Peculiar Gal.and Ass. Vol 2 (Arp&Madore, 1987) p2.6.

Modern observations

Brian Skiff

Lick: f * 0'.5 E, br * 5' N. gx N5091 1'.3 E.

POSS: 1'.2 sep.

ESO-LV: B=12.59, 13.94.

15cm - not found in dk sky.

- dbl gx in common envelope. main gx on NW is 1'.75x1' oval w/mod even

concen. comp is sup at SE end (whole mess elong SE-NW), seems circ maybe

15" across and w/o much concen, but grainy. BS, 3Mar1990, LCO.

25cm - found in dk sky @ 180x, but lo altitude.

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