2005A&A...434..935K

Query : 2005A&A...434..935K

2005A&A...434..935K - Astronomy and Astrophysics, volume 434, 935-938 (2005/5-2)

Hα imaging of the local volume galaxies. I. The NGC 6946 galaxy group.

KARACHENTSEV I.D., KAJSIN S.S., TSVETANOV Z. and FORD H.

Abstract (from CDS):

We present new Hα imaging of all known dwarf irregular companions to NGC 6946: UGC 11583, KK 251, KK 252, KKR 55, KKR 56, Cepheus 1, KKR 59, and KKR 60. The galaxies span a range of blue absolute magnitudes of [-13.6, -17.6], relative gas content of [0.1, 2.5]M☉/L☉, current star formation activity of [0.2, 5.2]x10–2M☉/yr, and timescale to exhaust the current gas supply of [6, 86]Gyr.

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Journal keyword(s): galaxies: dwarf - stars: formation

Simbad objects: 10

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Number of rows : 10
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2024 		#notes
1 UGC 11583 LSB 20 30 15.30 +60 26 25.0   17       ~ 64 0
2 LEDA 166192 LSB 20 30 32.9 +60 21 17   16.49       ~ 58 0
3 LEDA 166193 LSB 20 31 32.0 +60 48 44   16.15       ~ 25 0
4 NGC 6946 H2G 20 34 52.332 +60 09 13.24   10.5       ~ 2527 2
5 LEDA 2601822 LSB 20 45 20.7 +60 24 40   17.0       ~ 20 0
6 LEDA 2801050 LSB 20 48 24.1 +58 37 06   17.6       ~ 19 0
7 NAME Cepheus 1 LSB 20 51 10.7 +56 53 25           ~ 24 0
8 LEDA 2801052 LSB 21 03 24.1 +57 17 14   15.7       ~ 18 0
9 LEDA 2801053 LSB 21 05 52.9 +57 12 20           ~ 17 0
10 NAME NGC 6946 Group GrG ~ ~           ~ 17 0

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