J/AN/322/73ivo://CDS.VizieR/J/AN/322/73doi:10.26093/cds/vizier.113220073CDSNotni P.Karachentsev I.D.Makarova L.N.2025-09-29T20:17:18Z2008-09-14T07:47:34ZCDS support team

CDS, Observatoire de Strasbourg, 11 rue de l'Universite, F-67000 Strasbourg, France

cds-question@unistra.frgalaxiesphotometryccd-photometryWe present BVIc photometry of the brightest stars and compact star clusters in NGC 2976, a dwarf galaxy in the interacting M81/M82 group. Deep CCD images of the galaxy were obtained with the 6m-Telescope of the Special Astrophysical Observatory (Russia) at arcsec resolution. About 290 young stars and concentrated young clusters were measured. Supplementaxy data in the ultraviolet are taken from the literature. The extinction to the measured objects is comparatively low, E(B-V)~0.15-0.20mag. We estimate the ages of youngest resolved stars and concentrated star clusters to be ~5x10^6^years. This population is concentrated in a broad stripe facing M81. In the central disk the population is a bit older, about 8x10^6^years, this may be a hint to an outward spreading star formation process. The metallicity of the disk population is estimated as solar (z~0.02) from a fitting to Padova theoretical stellar isochrones.2001AN....322...73Nhttps://cdsarc.cds.unistra.fr/viz-bin/cat/J/AN/322/73CatalogResearchIsServedByTAP VizieR generic servicehttps://cds.unistra.fr/vizier-org/licences_vizier.htmlhttps://vizier.cds.unistra.fr/viz-bin/VizieR-2?-source=J/AN/322/73https://vizier.iucaa.in/viz-bin/VizieR-2?-source=J/AN/322/73http://vizieridia.saao.ac.za/viz-bin/VizieR-2?-source=J/AN/322/73https://vizier.cds.unistra.fr/viz-bin/votable?-source=J/AN/322/73https://vizier.iucaa.in/viz-bin/votable?-source=J/AN/322/73http://vizieridia.saao.ac.za/viz-bin/votable?-source=J/AN/322/73GETtext/xml+votablehttps://tapvizier.cds.unistra.fr/TAPVizieR/tap3.322582951404819e-19 3.852589004194616e-19defaultJ/AN/322/73/table2BVI_c_ photometry of bright starlike objects in NGC 2976recnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordint[NKM2001]Identification number (1)meta.id;meta.mainintm_[NKM2001][abc] Multiplicity index (1)meta.code.multipchar[BNM92]? Blue Knots identification number, [BNM92] BKNN in Simbad (2)meta.idintnullableXposX position (3)pixpos.cartesian.x;instr.detfloatYposY position (3)pixpos.cartesian.y;instr.detfloatq_Bmag? Quality indicator on B frame (7)meta.code.qualintnullableq_Vmag? Quality indicator on V frame (7)meta.code.qualintnullableVmag? Johnson V magnitude (4)magphot.mag;em.opt.VfloatnullableB-V? Johnson B-V colour index (4)magphot.color;em.opt.B;em.opt.VfloatnullableV-Ic? Johnson-Cousins V-I colour index (4)magphot.color;em.opt.V;em.opt.Ifloatnullable(U-B)p? Photographic (U-B) colour indexmagphot.color;em.opt.U;em.opt.Bfloatnullableq_Imag? Quality indicator on I frame (7)meta.code.qualintnullableT[1/3]? Number of objects with the same sequential number (5)meta.recordintnullableExt[0/4] Position label (6)meta.codeintJ/AN/322/73/table3BVI_c_ photometry, mean values of very tight (<0.8") multiple objectsrecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordint[NKM2001]Identification number (1)meta.id;meta.mainintm_[NKM2001][abc] Multiplicity index (1)meta.code.multipchar[BNM92]? Blue Knots identification number, [BNM92] BKNN in Simbad (2)meta.idintnullableXposX position (3)pixpos.cartesian.x;instr.detfloatYposY position (3)pixpos.cartesian.y;instr.detfloatq_Bmag? Quality indicator on B frame (7)meta.code.qualintnullableq_Vmag? Quality indicator on V frame (7)meta.code.qualintnullableVmag? Johnson V magnitude (4)magphot.mag;em.opt.VfloatnullableB-V? Johnson B-V colour index (4)magphot.color;em.opt.B;em.opt.VfloatnullableV-Ic? Johnson-Cousins V-I colour index (4)magphot.color;em.opt.V;em.opt.Ifloatnullable(U-B)p? Photographic (U-B) colour indexmagphot.color;em.opt.U;em.opt.Bfloatnullableq_Imag? Quality indicator on I frame (7)meta.code.qualintnullableT[1/3]? Number of objects with the same sequential number (5)meta.recordintnullableExt[0/4] Position label (6)meta.codeint