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Catalogue and alternative designations NGC 5102


Type Galaxy (Hubble type SAO)
Position 13 21 58, -36 37 49
Constellation Centaurus
Camera and Telescope STXL16200 and 36.8 cm Ritchey Chretien
Focal Ratio F9
Exposure Details LRGB image using Astrodon series 2 filters with  L=150 minutes, R=G=B=90 minutes.  Luminance unbinned, colours binned 2x2
Description NGC 5102 is another galaxy in the group that includes M83 and NGC 5128. It is relatively bright at magnitude 10.4 and is 8.7 x 2.8 arcminutes in size. It's about 12.1 million light years away. NGC 5102 is not often observed or imaged, probably because of the close proximity to magnitude 2.7 iota Centauri.  At first sight it appears almost featureless but there are subtle dust lanes present.There is active star formation going on and NGC 5102 is an emission line galaxy.

The following information was provided by John Vickers of the Webb Society

N5102 SA0- HII Cen 13h 22.0, -3638

10.0mb 9.5mv 8.7x2.8' 13.0SB 48 PA Starburst Ga

Mean distance 12.9 (2.3-46.7) Mpc

Actual size max 134x56 Kpc (values are discrepant).

8.2m star 6.1' NW.

In corona of 2.8m Iota Centauri at 17.2' WSW.

Designation NGC 5102, PGC 46674, ESO 382-50,

MCG -6-29-31, AM 1319-362, CGS 465, IRAS13191-3622.

Dreyer: Very bright, pretty small, round, abruptly very

much brighter middle.

RA-Dec: 13 21 57.6, -36 37 49

Other: Elongated lenticular galaxy. Very bright nucleus in

bright core-lens. Low-luminosity galaxy, optically very blue.

Extensive smooth outer envelope. Faint stars interposed.

316, 468 2 km/s Radial Velocity. RC3 galaxy type: .LA.-.. -3.0 .3 -.