Kinematics and Origin of Gas in the Disk Galaxy NGC 2655
—The new observational data concerning distribution, excitation, and kinematics of the ionized gas in the giant early-type galaxy NGC 2655 obtained at the 6m telescope of the Special Astrophysical Observatory (SAO RAS) and at the 2.5 m telescope of the Caucasian Mountain Observatory (CMO SAI MSU) ar...
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| Veröffentlicht in: | Astrophysical bulletin 2022-12, Vol.77 (4), p.397-406 |
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| container_title | Astrophysical bulletin |
| container_volume | 77 |
| creator | Sil’chenko, O. K. Moiseev, A. V. Gusev, A. S. Kozlova, D. V. |
| description | —The new observational data concerning distribution, excitation, and kinematics of the ionized gas in the giant early-type galaxy NGC 2655 obtained at the 6m telescope of the Special Astrophysical Observatory (SAO RAS) and at the 2.5 m telescope of the Caucasian Mountain Observatory (CMO SAI MSU) are presented in this work. The joint analysis of these and earlier spectral observations has allowed us to make a conclusion about multiple nature of the gas in NGC 2655. Together with a proper large gaseous disk experiencing regular circular rotation in the equatorial plane of the stellar potential of the galaxy for billions years, we observe also remnants of a merged small satellite having striked the central part of NGC 2655 almost vertically for some 10 million years ago. |
| doi_str_mv | 10.1134/S1990341322040137 |
| format | Article |
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| identifier | ISSN: 1990-3413 |
| ispartof | Astrophysical bulletin, 2022-12, Vol.77 (4), p.397-406 |
| issn | 1990-3413 1990-3421 |
| language | eng |
| recordid | cdi_proquest_journals_2774560301 |
| source | Springer Nature - Complete Springer Journals |
| subjects | Astronomy Astrophysics and Cosmology Disk galaxies Galactic rotation Galaxy distribution Kinematics Physics Physics and Astronomy Rotating disks Small satellites Stellar evolution |
| title | Kinematics and Origin of Gas in the Disk Galaxy NGC 2655 |
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