SDSSJ150634.27+013331.6: the second compact elliptical galaxy in the NGC5846 group
We report the discovery of the second compact elliptical (cE) galaxy SDSSJ150634.27+013331.6 in the nearby NGC5846 group by the Virtual Observatory (VO) workflow . This object (M_B = -15.98 mag, R_e = 0.24 kpc) becomes the fifth cE where the spatially-resolved kinematics and stellar populations can...
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| creator | Chilingarian, Igor Bergond, Gilles |
| description | We report the discovery of the second compact elliptical (cE) galaxy SDSSJ150634.27+013331.6 in the nearby NGC5846 group by the Virtual Observatory (VO) workflow . This object (M_B = -15.98 mag, R_e = 0.24 kpc) becomes the fifth cE where the spatially-resolved kinematics and stellar populations can be obtained. We used archival HST WFPC2 images to demonstrate that its light profile has a two-component structure, and integrated photometry from GALEX, SDSS, UKIDSS, and Spitzer to build the multi-wavelength SED to constraint the star formation history (SFH). We observed this galaxy with the PMAS IFU spectrograph at the Calar-Alto 3.5m telescope and obtained two-dimensional maps of its kinematics and stellar population properties using the full-spectral fitting technique. Its structural, dynamical and stellar population properties suggest that it had a massive progenitor heavily tidally stripped by NGC5846. |
| doi_str_mv | 10.48550/arxiv.1003.1663 |
| format | Article |
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This object (M_B = -15.98 mag, R_e = 0.24 kpc) becomes the fifth cE where the spatially-resolved kinematics and stellar populations can be obtained. We used archival HST WFPC2 images to demonstrate that its light profile has a two-component structure, and integrated photometry from GALEX, SDSS, UKIDSS, and Spitzer to build the multi-wavelength SED to constraint the star formation history (SFH). We observed this galaxy with the PMAS IFU spectrograph at the Calar-Alto 3.5m telescope and obtained two-dimensional maps of its kinematics and stellar population properties using the full-spectral fitting technique. 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| ispartof | arXiv.org, 2010-03 |
| issn | 2331-8422 |
| language | eng |
| recordid | cdi_arxiv_primary_1003_1663 |
| source | Freely Accessible Journals; arXiv.org |
| subjects | Compact galaxies Elliptical galaxies Galaxies Kinematics Photometry Physics - Cosmology and Nongalactic Astrophysics Star & galaxy formation Star formation Stellar populations Workflow |
| title | SDSSJ150634.27+013331.6: the second compact elliptical galaxy in the NGC5846 group |
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