J/PAZh/27/942 Nuclear activity of NGC 5548 (Doroshenko+, 2001) ================================================================================ Nuclear activity of NGC 5548 from UBVRI observations during 1990-2000 Doroshenko V.T., Lyuty V.M., Bochkarev N.G., Merkulova N.I., Sergeev S.G., Vlasyuk V.V., Mikhailov V.P., Spiridonova O.I., Ezhkova O.V., Grankin K.N., Mel'nikov S.Yu. =2001PAZh...27..942D =2001AstL...27..691D ================================================================================ ADC_Keywords: Galaxies, Seyfert ; Photometry, UBVRI Abstract: UBVRI observations of the nucleus of the Seyfert galaxy NGC 5548 from 1990 until 2000 at four astronomical observatories are given in Table2. All data have been reduced to a single system and are given for an A=14.3" aperture. Objects: ----------------------------------------- RA (2000) DE Designation(s) ----------------------------------------- 14 17 59.65 +25 08 13.4 NGC 5548 ----------------------------------------- File Summary: -------------------------------------------------------------------------------- FileName Lrecl Records Explanations -------------------------------------------------------------------------------- ReadMe 80 . This file table2.dat 66 200 UBVR(j)I(j) magnitudes of NGC 5548 through A=14.3" -------------------------------------------------------------------------------- Byte-by-byte Description of files: table2.dat -------------------------------------------------------------------------------- Bytes Format Units Label Explanations -------------------------------------------------------------------------------- 1- 10 A10 "DD/MM/YYYY" Date Observation date 13- 23 F11.3 d HJD Heliocentric Julian date 26- 30 F5.2 mag Umag ? U magnitude (Johnson) 33- 37 F5.2 mag Bmag ? B magnitude (Johnson) 40- 44 F5.2 mag Vmag ? V magnitude (Johnson) 47- 51 F5.2 mag Rmag ? R magnitude (Johnson) 54- 58 F5.2 mag Imag ? I magnitude (Johnson) 62- 64 A3 --- Obs Observatories (1) -------------------------------------------------------------------------------- Note (1): Observatories: SAI: Sternberg Astronomical Institute, Crimea Mdn: Maidanak Observatory of the Ulugbek Astronomical Institute (Uzbekistan) KAO: Crimean Astrophysical Observatory (Ukraine) SAO: Special Astrophysical Observatory of the Russian Academy of Sciences -------------------------------------------------------------------------------- ================================================================================ (End) Veta Avedisova (INASAN) 18-Apr-2002