Kinematic signature of bipolar flow in the Seyfert galaxy NGC 3516
A long-slit echellogram of the circumnuclear emission-line region in the Seyfert 1 galaxy NGC 3516 reveals an unusual velocity field in the ionized gas. The radial velocities decline outward, from offsets of a few hundred km/s back toward the systemic velocity, over distances of about 500 pc on both sides of the nucleus. This gas has nuclear emission-line ratios. Circumnuclear gas kinematics in NGC 3516 are most simply modeled by a low-velocity, bipolar outflow from the nucleus. The bipolar-flow model is discussed in terms of observable properties of active galactic nucei. 37 references.
- Research Organization:
- National Optical Astronomy Observatories, Tucson, AZ; Kitt Peak National Observatory, Tucson; Lowell Observatory, Flagstaff, AZ
- OSTI ID:
- 5830901
- Journal Information:
- Astron. J.; (United States), Journal Name: Astron. J.; (United States) Vol. 94; ISSN ANJOA
- Country of Publication:
- United States
- Language:
- English
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