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Titolo:
MORPHOLOGY OF EARLY-TYPE GALAXIES IN COMPACT-GROUPS .4. ROSE GROUPS
Autore:
BETTONI D; FASANO G;
Indirizzi:
OSSERV ASTRON PADOVA,VICOLO OSSERV 5 I-35122 PADUA ITALY
Titolo Testata:
Astronomy & Astrophysics. Supplement series
fascicolo: 3, volume: 118, anno: 1996,
pagine: 429 - 439
SICI:
0365-0138(1996)118:3<429:MOEGIC>2.0.ZU;2-I
Fonte:
ISI
Lingua:
ENG
Soggetto:
ELLIPTIC GALAXIES;
Keywords:
GALAXIES; COMPACT;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Citazioni:
21
Recensione:
Indirizzi per estratti:
Citazione:
D. Bettoni e G. Fasano, "MORPHOLOGY OF EARLY-TYPE GALAXIES IN COMPACT-GROUPS .4. ROSE GROUPS", Astronomy & Astrophysics. Supplement series, 118(3), 1996, pp. 429-439

Abstract

In the previous papers of this series (Bettoni & Fasano 1993, 1995 and Fasano & Bettoni 1994) we presented data relative to early-type galaxies in several Hickson (1982) and Shakhbazyan (1973-1979) Compact Groups. In this paper we present, for the first time, data on early-type galaxies belonging to 9 Rose (1977) compact groups. The selection criteria of these groups make them more compact than the Hickson and Shakhbazyan groups and, for this reason, the Rose groups constitute a good sample for testing the properties of early-type galaxies in environments of extreme (at least apparent) density. Even if the present sample is not a sizeable one (18 objects), we find that morphological and photometric properties of E and S0 galaxies in the Rose groups are fairlyconsistent with those of galaxies in the Hickson and Shakhbazyan samples. In particular, there is a lack of very flat objects in the ellipticity distribution.

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Documento generato il 04/12/20 alle ore 06:32:50