1998AJ....115.2331C

Query : 1998AJ....115.2331C

1998AJ....115.2331C - Astron. J., 115, 2331-2336 (1998/June-0)

Star formation in the tidal tail of the Leo triplet galaxy NGC 3628.

CHROMEY F.R., ELMEGREEN D.M., MANDELL A. and McDERMOTT J.

Abstract (from CDS):

Deep CCD images of the Leo Triplet in the B and I bands were obtained with the Burrell-Schmidt telescope at Kitt Peak National Observatory to study the ∼80 kpc stellar tail, or ``plume,'' extending from NGC 3628, which resulted from the tidal effects of its companion galaxies NGC 3627 and NGC 3623. This plume consists of clumpy star formation regions that are near previously measured high-resolution H I peaks. Comparison of our B-I colors and B luminosities with star cluster evolution models indicates star-forming ages of a few times 108 years and complex masses of 106 M☉, corresponding to a star formation efficiency of 3% overall in the plume, or about 26% at the H I peaks.

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Journal keyword(s): Galaxies: Individual: NGC Number: NGC 3628 - Galaxies: Interactions - Galaxies: Stellar Content

Simbad objects: 6

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Number of rows : 6
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2026 		#notes
1 M 65 GiP 11 18 55.9084654776 +13 05 32.300703672   9.6       ~ 458 1
2 NAME Leo Triplet IG 11 19 +13.2           ~ 132 1
3 M 66 AGN 11 20 15.0 +12 59 29 9.85 9.65 8.92     ~ 1509 4
4 NGC 3628 LIN 11 20 17.018 +13 35 22.16   10.42 9.48 9.22   ~ 853 3
5 NAME Super Antennae Sy2 19 31 21.4272801984 -72 39 21.442847832   17.39 16.37 14.65   ~ 318 3
6 NAME Leo Plume PoG ~ ~           ~ 6 0

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