Spectrophotometry of the central region of the galaxy Markaryan 298 IC 1182-4
Creators
- 1. Krymskaia Astrofizicheskaia Observatoriia, Nauchny, Ukrainian SSR
Description
An analysis of spectra obtained with an approximately 95 A/mm-dispersion spectrograph has yielded new data on the structure of the central region of the Seyfert galaxy Markaryan 298 IC 1182-4. The central region's gaseous formation has a diameter of 6.5 kpc, an electron density of 0.2-0.5/cu cm, and a mass ratio (M/solar-M) ranging from 0.6 x 10 to the 7th to 7 x 10 to the 8th. The data further suggests that this gas formation is associated with condensations of blue stars, and interacts with both the nucleus and the eastern elongated structure of the galaxy. The nucleus of Markaryan 298 is found to be a type 1 Seyfert which is distorted by dust absorption, with a hydrogen envelope that is opaque in the Balmer lines and inhomogeneous in its physical conditions. Gas condensations in the forbidden line emission region are found to be of the densities 20, 10,000 and 200,000/cu cm
Additional details
Publishing Information
- Journal Title
- Astrophysics (Engl. Transl.)
- Journal Volume
- 17
- Journal Issue
- 4
- Series
- Astrophysics (Engl. Transl.).
- Journal Page Range
- 333-342
- ISSN
- 0004-6396
INIS
- Country of Publication
- United States
- Country of Input or Organization
- United States
- INIS RN
- 14790218
- Subject category
- S79: ASTROPHYSICS, COSMOLOGY AND ASTRONOMY;
- Descriptors DEI
- BALMER LINES; COSMIC GASES; ELECTRON DENSITY; EMISSION SPECTRA; FORBIDDEN TRANSITIONS; GALAXY NUCLEI; LINE WIDTHS; SEYFERT GALAXIES; SPECTROPHOTOMETRY
- Descriptors DEC
- ENERGY-LEVEL TRANSITIONS; FLUIDS; GALAXIES; GASES; SPECTRA
Optional Information
- Notes
- Translated from Astrofizika; 17: 628-642(Oct-Dec 1981). Cover-to-cover translation of Astrofizika (USSR).