NGC/IC Project Restoration Effort

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NGC7135

 

Basic Information


Location and Magnitude


Right Ascension: 21:49:46.0
Declination: -34:52:34
Constellation: PSA
Visual Magnitude: 11.7

Historic Information


Discoverer: Herschel J.
Year of discovery: 1834
Discovery aperture: 18.3

Observational


Summary description: pB, pL, R, vgbM, * 14 att p
Sub-type: E-S0

Corwin's Notes

===== NGC 7135 appeared in Swift's 11th list (it is No. 209), but was saved from having an IC number given to it by Herbert Howe. Howe saw the star just preceding the object and the triangle of brighter stars also preceding, and realized that Swift's object must be the same as JH's. However, IC 5136 turned up in Swift's 12th list with a description that makes it sound like yet another observation of this galaxy (see the IC note for more discussion on that object). Since NGC 7130 is in the area, that and I5135 are also part of the mess that Swift made here. See those numbers for even more discussion. This, by the way, is one of the strangest galaxies in the sky, looking rather like a sting-ray, and having a lower surface brightness than a normal galaxy. It is probably the result of a recent collision; most of these pathological objects are.

Steve's Notes

===== NGC 7135 17.5" (8/6/97): moderately bright, moderately large, ~2' diameter, irregularly shaped bright core. The halo appears to have an uneven or mottled surface brightness. A mag 14-15 star is embedded at the west edge [34" from center]. Located just following a bright triangle of mag 9.5-10.5 stars. NGC 7130 lies 19' WSW. 17.5" (7/16/93): fairly faint, fairly small, round, broad weak concentration, small bright core. Follows an isosceles triangle of mag 9.5-10.5 stars including mag 9.4 SAO 213316 5' NW, a mag 10 star 3.3' SW and a mag 11 star 2' N. Third of three with NGC 7130 19' WSW. 17.5" (7/30/92): fairly faint, fairly small, round, broad mild concentration. Unusual as three stars mag 9-10 just west form a right triangle. The galaxy is just east of a line connecting the two stars on the east side of the triangle. 13" (8/5/83): faint, small, round, similar to NGC 7130 19' WSW. A triangle of stars precedes the galaxy.