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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.
    <Pis'ma Astron. Zh. 27, 942 (2001)>
    =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 file: 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