U, B, V APERTURE PHOTOMETRY OF 21 GALAXIES

[1] 20 YEARS OF ATMOSPHERIC EXTINCTION AT MCDONALD-OBSERVATORY [J]. PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF THE PACIFIC, 1986, 98 (609) : 1201 - 1207

[2] UBVRI EQUATORIAL EXTINCTION STAR NETWORK [J]. PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF THE PACIFIC, 1979, 91 (541) : 289 - 298

[3] de Vaucouleurs G., 1972, MEMRAS, V77, P1

[4] DEVAUCOULEURS G, 1976, 2ND REFERENCE CATALO

[5] FUNDAMENTAL STELLAR PHOTOMETRY FOR STANDARDS OF SPECTRAL TYPE ON THE REVISED SYSTEM OF THE YERKES SPECTRAL ATLAS [J]. ASTROPHYSICAL JOURNAL, 1953, 117 (03) : 313 - 352

[6] LONGO G, 1983, U TEXAS MONOGRAPHS A, V3

[7] ISOPHOTAL WAVELENGTHS OF UBVR SYSTEMS [J]. PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF THE PACIFIC, 1969, 81 (478) : 46 - &

[8] SURFACE PHOTOMETRY OF NGC 4656 4657 [J]. ASTRONOMICAL JOURNAL, 1983, 88 (05) : 602 - 609

[9] [No title captured]

[1] 20 YEARS OF ATMOSPHERIC EXTINCTION AT MCDONALD-OBSERVATORY [J]. PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF THE PACIFIC, 1986, 98 (609) : 1201 - 1207

[2] UBVRI EQUATORIAL EXTINCTION STAR NETWORK [J]. PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF THE PACIFIC, 1979, 91 (541) : 289 - 298

[3] de Vaucouleurs G., 1972, MEMRAS, V77, P1

[4] DEVAUCOULEURS G, 1976, 2ND REFERENCE CATALO

[5] FUNDAMENTAL STELLAR PHOTOMETRY FOR STANDARDS OF SPECTRAL TYPE ON THE REVISED SYSTEM OF THE YERKES SPECTRAL ATLAS [J]. ASTROPHYSICAL JOURNAL, 1953, 117 (03) : 313 - 352

[6] LONGO G, 1983, U TEXAS MONOGRAPHS A, V3

[7] ISOPHOTAL WAVELENGTHS OF UBVR SYSTEMS [J]. PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF THE PACIFIC, 1969, 81 (478) : 46 - &

[8] SURFACE PHOTOMETRY OF NGC 4656 4657 [J]. ASTRONOMICAL JOURNAL, 1983, 88 (05) : 602 - 609

[9] [No title captured]