2004A&A...421..833K

Query : 2004A&A...421..833K

2004A&A...421..833K - Astronomy and Astrophysics, volume 421, 833-837 (2004/7-3)

The stellar content of the ring in NGC 660.

KARATAEVA G.M., TIKHONOV N.A., GALAZUTDINOVA O.A., HAGEN-THORN V.A. and YAKOVLEVA V.A.

Abstract (from CDS):

We present the results of stellar photometry of the polar-ring galaxy NGC 660 using the Hubble Space Telescope's archival data obtained with the Wide Field Planetary Camera 2. The final list of the resolved stars contains 550 objects, a considerable part of which are blue and red supergiants belonging to the polar ring. The analysis of the Colour-Magnitude Diagram for polar ring stars shows that it is best represented by the isochrones with metallicity Z=0.008. The process of star formation in the polar ring was continuous and the age of the youngest detected stars is about 7Myr.

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Journal keyword(s): galaxies: individual: NGC 660 - galaxies: peculiar - galaxies: starburst - galaxies: stellar content

Simbad objects: 3

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Number of rows : 3

N	Identifier	Otype	ICRS (J2000) RA	ICRS (J2000) DEC	Mag B	Mag V	Mag R	Mag I	Sp type	#ref 1850 - 2022	#notes
1	NGC 660	Sy2	01 43 02.350	+13 38 44.45	12.02	11.16			~	537	2
2	NGC 2685	Sy2	08 55 34.7027817000	+58 44 03.876540108	13.68	12.70			~	416	1
3	ESO 322-69	GiG	12 44 49.0352044176	-40 42 51.691570488	14.12	13.58	13.29	13.9	~	190	0

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