2004A&A...416..119C


C.D.S. - SIMBAD4 rel 1.7 - 2019.12.11CET23:03:34

2004A&A...416..119C - Astronomy and Astrophysics, volume 416, 119-123 (2004/3-2)

An extragalactic HII region in the Virgo cluster.

CORTESE L., GAVAZZI G., BOSELLI A. and IGLESIAS-PARAMO J.

Abstract (from CDS):

We present spectroscopic observations for six emission-line objects projected onto the Virgo cluster. These sources have been selected from narrow band (Hα+[NII]) images showing faint detectable continuum emission and EW>100Å. Five of these sources result [OIII] λ5007 emitters at z∼0.31, while one 122603+130724 is confirmed to be an HII region belonging to the Virgo cluster. This point-like source has a recessional velocity of ∼200km/s, and is associated with the giant galaxy VCC 873 (NGC 4402). It has a higher luminosity, star formation rate and metallicity than the extragalactic HII region recently discovered near the Virgo galaxy VCC 836 by Gerhard et al. (2002ApJ...580L.121G).

Abstract Copyright:

Journal keyword(s): galaxies: distances and redshifts - galaxies: clusters: individuals: Virgo - galaxies: abundances - ISM: HII regions

Nomenclature: Table 3: [CGB2004a] JHHMMSS+DDMMSS N=6.

Simbad objects: 9

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Number of rows : 9

N Identifier Otype ICRS (J2000)
RA
ICRS (J2000)
DEC
Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2020
#notes
1 [CGB2004a] J122544+130740 EmG 12 25 44.20 +13 07 40.0           ~ 1 0
2 NGC 4388 Sy2 12 25 46.820 +12 39 43.45 11.91 11.76 11.02     ~ 1155 2
3 [CGB2004a] J122603+130724 HII 12 26 02.91 +13 07 23.7           ~ 2 0
4 NGC 4402 GiP 12 26 07.566 +13 06 46.06   12.55       ~ 349 1
5 [CGB2004a] J122620+131002 EmG 12 26 20.80 +13 10 02.0           ~ 1 0
6 NAME Vir I ClG 12 26 32.1 +12 43 24   10.00 8.49     ~ 5668 0
7 [CGB2004a] J123015+122812 EmG 12 30 15.20 +12 28 12.0           ~ 1 0
8 [CGB2004a] J123021+121614 EmG 12 30 21.10 +12 16 14.0           ~ 1 0
9 [CGB2004a] J123728+082540 EmG 12 37 28.00 +08 25 40.0           ~ 1 0

    Equat.    Gal    SGal    Ecl

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2019.12.11-23:03:34

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