Complex variability pattern in NGC 4151. I. Sequences on the line-continuum diagram J/A+A/324/904 J/A+A/324/904 NGC 4151 line-continuum diagram sequences Complex variability pattern in NGC 4151. I. Sequences on the line-continuum diagram Yu F Malkov V I Pronik S G Sergeev Astron. Astrophys. 324 904 1997 1997A&A...324..904M Galaxies, Seyfert Galaxies, spectra galaxies: active galaxies: emission lines galaxies: individual (NGC 4151) galaxies: nuclei galaxies: Seyfert We present the first results of an 8-year spectroscopic monitoring of the Seyfert 1.5 galaxy NGC 4151 carried out with a CCD spectrograph at the 2.6-m Shajn Telescope of the Crimean Astrophysical Observatory in 1988-1995. Total of 202 H{ alpha} region spectra and 154 H{beta} region spectra have formed the data set. A ll spectra were calibrated in flux using the narrow emission lines which were as summed to be constant over the duration of the monitoring program.
NGC 415112 10 32.5+39 24 21
 Cassegrain H-alpha region fluxes (not corrected for seeing effects) JD Average Julian Date for a night --- Nspect Number of averaged individual spectra --- F635nm Continuum flux density at 635.0 nm 10-13mW/m2/nm F681nm Continuum flux density at 681.5 nm 10-13mW/m2/nm SHalpha Integrated H-alpha line flux 10-11mW/m2 Cassegrain H-beta region fluxes (not corrected for seeing effects) JD Average Julian Date for a night --- Nspect Number of averaged individual spectra --- F512nm Continuum flux at 512.0 nm 10-13mW/m2/nm SHbeta Integrated H-beta line flux 10-12mW/m2 SHeII Integrated HeII 4686 line flux 10-12mW/m2 Nasmyth H-alpha region fluxes (corrected for seeing effects) JD Average Julian Date for a night --- Nspect Number of averaged individual spectra --- Seeing Seeing arcsec F623nm Continuum flux at 623.0 nm 10-13mW/m2/nm F691nm Continuum flux at 691.0 nm 10-13mW/m2/nm SHalpha Integrated H-alpha line flux 10-11mW/m2 Nasmyth H-beta region fluxes (corrected for seeing effects) JD Average Julian Date for a night --- Nspect Number of averaged individual spectra --- Seeing Seeing arcsec F448mn Continuum flux at 448.0 nm 10-13mW/m2/nm F512nm Continuum flux at 512.0 nm 10-13mW/m2/nm SHbeta Integrated H-beta line flux 10-12mW/m2 SHeII Integrated HeII 4686 line flux 10-12mW/m2 S4540 Integrated 4540 feature flux 10-12mW/m2 figure3.psSeeing correction parameters phi and G for the line and continuum fluxes measured in Nasmyth spectra Patricia Bauer CDS 1997Feb26Yuri Malkov <malkov@crao.crimea.ua> J_A+A_324_904.xml