Observation of the Velocity Curves of NGC 1068
Abstract
For 132 spectra of NGC 1068 taken at 24 position angles of every 15^deg^ from an isophotal major axis (P.A. = 52^deg^) of the inner arm region, we measured Hα, Hβ [N II] λ6583, and [O III] λλ4959,5007 to present the velocity curves in tabular form. Comparisons are made with previous observations to show that our measurements are consistent with the recent observations, but inconsistent with Walker's measurements. Combined with CO velocity data, the velocity field was analyzed to reveal large-scale noncircular motions to occur within the galaxy.
- Publication:
-
The Astronomical Journal
- Pub Date:
- February 1992
- DOI:
- 10.1086/116071
- Bibcode:
- 1992AJ....103..422K
- Keywords:
-
- Galactic Rotation;
- Spiral Galaxies;
- Starburst Galaxies;
- Velocity Distribution;
- Carbon Monoxide;
- Forbidden Transitions;
- H Alpha Line;
- H Beta Line;
- Nitrogen;
- Oxygen Spectra;
- Astrophysics;
- GALAXIES: STARSBURST;
- GALAXIES: KINEMATICS AND DYNAMICS