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Autor:
R. Michard, Stefano Andreon
Publikováno v:
Astronomy & Astrophysics. 490:923-928
This paper presents morphological type, membership, and U−V color for a sample of galaxies in the Coma cluster direction, complete down to MB = −15.00 mag and extending down to MB = −14.25 mag. We have examined 1155 objects from the GMP 1983 ca
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::18c86d0d926e2c295a243a273f045dd8
https://doi.org/10.1051/0004-6361:200810283
https://doi.org/10.1051/0004-6361:200810283
Publikováno v:
Astronomy & Astrophysics. 398:949-957
Central and mean metallicities are calculated for a sample of 40 early-type galaxies, whose color gradients were reported in a previous paper (Idiart et al.2002). The present color-metallicity calibration was derived from a grid of evolutionary model
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c47c2611779cf414fd8b936c2d542e23
https://doi.org/10.1051/0004-6361:20021718
https://doi.org/10.1051/0004-6361:20021718
Autor:
R. Michard
Publikováno v:
Astronomy and Astrophysics-A&A
Astronomy and Astrophysics-A&A, 2002, 384, pp.763-771. ⟨10.1051/0004-6361:20011813⟩
Astronomy and Astrophysics-A&A, 2002, 384, pp.763-771. ⟨10.1051/0004-6361:20011813⟩
International audience; PSF far wings have been measured in UBVRi at the 120 cm Newtonian telescope of Observatoire de Haute Provence, during 3 observing runs in 2000-1. The choice of appropriate star fields allowed us to extend the measurements up t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a1094c404c2bebab6280eb1464f1cda2
https://doi.org/10.1051/0004-6361:20011813
https://doi.org/10.1051/0004-6361:20011813
Publikováno v:
Astronomy & Astrophysics. 383:30-45
New colour distributions have been derived from wide field UBVRI frames for 36 northern bright elliptical galaxies and a few lenticulars. The classical linear representations of colours against $\log r$ were derived, with some improvements in the acc
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::803290d149aab989aef641250d846e51
https://doi.org/10.1051/0004-6361:20011699
https://doi.org/10.1051/0004-6361:20011699
Autor:
R. Michard, P. Poulain
Publikováno v:
Astronomy and Astrophysics Supplement Series. 141:1-22
Colours distributions have been studied in 12 S0 galaxies, most of these nearly edge-on, from high resolution frames obtained at the CFHT and the Pic du Midi 2 m telescope, supplemented for some purposes by low resolution frames from the Observatoire
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a0accfc96467527a8ec352620b6e1173
https://doi.org/10.1051/aas:2000311
https://doi.org/10.1051/aas:2000311
Autor:
R. Michard
Publikováno v:
Astronomy and Astrophysics Supplement Series. 137:245-268
The colours distributions (with R in Cousins's system) have been measured in 44 E classified galaxies in the Local Supercluster, from pairs of frames collected by Nieto and co-workers in 1989-91. These are nearly all from the CFHT, and of sub-arsec r
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::cde16ef01a7f4e8001ccd1fc2b9ddde0
https://doi.org/10.1051/aas:1999482
https://doi.org/10.1051/aas:1999482
Autor:
R. Michard
Publikováno v:
Astronomy and Astrophysics Supplement Series. 127:299-308
A new method is introduced to "separate" the bulge and disk components of early-type galaxies, i.e. S0's and disky E's, viewed at such inclinations that their isophotes depart significantly from ellipses. In our approach, the two components are assum
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b2b0633bd4eed520cc0315a280e928bb
https://doi.org/10.1051/aas:1998352
https://doi.org/10.1051/aas:1998352
Autor:
R. Michard
Publikováno v:
Astronomy and Astrophysics Supplement Series. 117:583-591
Unexpected circumnuclear isophotal structures were observed during tests of Lucy's deconvolution technique, performed upon high resolution CFHT frames. They contain an enhanced nuclear disk surrounded by a \boxy" ring; an upward hump in ellipticity c
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5755cfd750d9229dc80498b4786c93eb
https://doi.org/10.1051/aas:1996176
https://doi.org/10.1051/aas:1996176
Autor:
R. Michard
Publikováno v:
Astronomy and Astrophysics-A&A
Astronomy and Astrophysics-A&A, 2007, 464, pp.507-516. ⟨10.1051/0004-6361:20066358⟩
Astronomy and Astrophysics-A&A, 2007, 464, pp.507-516. ⟨10.1051/0004-6361:20066358⟩
International audience; Visible and near IR colour distributions in NGC 3115 have been studied from a set of frames of the Las Campanas Observatory and the 2MASS Atlas, plus other material from CFHT and OHP. The extended outer wings of the PSF were m
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7b0ec78d9fdeef2d3a99a3ea28c975f5
https://hal.science/hal-03732654
https://hal.science/hal-03732654
