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NGC 65


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The Difference between the α-disks of Seyfert 1 Galaxies and Quasars
In a previous paper, it was suggested that contamination of the nuclearluminosity by the host galaxy plays an important role in determining theparameters of the standard α disk of AGNs. Using the nuclearabsolute B band magnitude instead of the total absolute B bandmagnitude, we have recalculated the central black hole masses, accretionrates and disk inclinations for 20 Seyfert 1 galaxies and 17Palomar-Green (PG) quasars. It is found that a small value of αis needed for the Seyfert 1 galaxies than for the PG quasars. Thisdifference in α possibly leads to the different properties ofSeyfert 1 galaxies and quasars. Furthermore, we find most of the objectsin this sample are not accreting at super-Eddington rates if we adoptthe nuclear optical luminosity in our calculation.

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Observation and Astrometry data

Constellation:Cetus
Right ascension:00h18m58.60s
Declination:-22°52'50.0"
Aparent dimensions:0.933′ × 0.759′

Catalogs and designations:
Proper Names   (Edit)
NGC 2000.0NGC 65
HYPERLEDA-IPGC 1229

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