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NGC 5090 and NGC 5091 (Interacting Galaxy)


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NGC 5090 and NGC 5091
Interacting Galaxy (相互作用銀河)

名前
(Name)
分類 明るさ
(Brightness)
別名
(Other names)
NGC 5090 Gx E2 11.5 PGC 46618, ESO 270-2, MCG -7-27-54
NGC 5091 Gx Sb 13.1 PGC 46626, ESO 270-4, MCG -7-27-55

星座 (Constellation)
ケンタウルス座 (Cen) (Centaurus)

距離 (Distance)
1億5,000万光年 (150 million light-years)

NGC 5090 and NGC 5091 is an interacting galaxy located 150 million light years from the Earth in the constellation Centaurus.

NGC 5090 and NGC 5091 (Interacting Galaxy) : Picture

Interacting Galaxies NGC 5090
Interacting Galaxies NGC 5090
(C) ESO
This is a close-up view of the double galaxy NGC 5090 (right) and NGC 5091 (left), in the southern constellation Centaurus. The first is a typical S0 galaxy with a bright diffuse centre, surrounded by a fainter envelope of stars (not resolved in this picture). However, some of the starlike objects seen in this region may be globular clusters (or dwarf galaxies) in orbit around NGC 5090. The other galaxy is of type Sa (the spiral structure is more developed) and is seen at a steep angle. The three-colour composite is based on frames obtained with KUEYEN on March 29, 1999, with the same filters and exposure times as used for ESO Press Photo eso9923. The image quality is 0.7 arcsec and the field is 90 x 90 arcsec 2. North is up and East is left.

NGC 5090 and NGC 5091 (Interacting Galaxy)
NGC 5090 and NGC 5091 (Interacting Galaxy)
(C) ESO
A pair of galaxies NGC 5090 - 5091 in Centaurus is shown in this image. They are located at about the same distance as ESO 269-57 and may belong to the same cluster of galaxies. This is an interacting elliptical-spiral system with some evidence of tidal disruption of NGC 5091 (to the left; seen under a steep angle) by NGC 5090 (to the right). The velocity of the nucleus of NGC 5091 has been measured as 3429 km/sec, while NGC 5090 has a velocity of 3185 km/sec. NGC 5090 is associated with a strong, double radio source (PKS 1318-43). This three-colour composite (BVR) was obtained with VLT ANTU and FORS1 in the morning of March 29, 1999. A bright star in the Milky Way, just outside the field at the upper left, has produced a pattern of blue straylight. The field size is 6.8x6.8 arcmin 2. North is up and East is to the left.

NGC 5090 NGC 5090 and NGC 5091
NGC 5090
(C) ESO
NGC 5090 and NGC 5091 (Interacting Galaxy)
(C) ESO
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NGC 5090 and NGC 5091 (Interacting Galaxy) : Movie

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