Zobrazeno 1 - 10
of 31
pro vyhledávání: '"G. M. LARIONOV"'
Publikováno v:
Astronomy Reports. 61:954-961
Data from long-term multi-frequency monitoring of the Active Galactic Nucleus (AGN) and blazar 3C 454.3 are analyzed. An unusually prolonged outburst in 2013–2017 had a duration that was twice the possible orbital period of the companion of the sup
Publikováno v:
Astronomy Reports. 56:553-563
We have revised the Astro Space Center catalog of Class I methanol masers detected in star-forming regions (MMI/SFR), mainly at 44 GHz, and created a new electronic version of the catalog. Currently, the catalog contains 206 objects, selected from pu
Publikováno v:
Astronomy Reports. 55:1086-1095
Observations of various types of objects in the northern sky were obtained at 44 GHz in the 70-61A+ methanol line on the 20-m Onsala radio telescope (Sweden), in order to search for Class I methanol maser emission in the interstellar medium: regions
Publikováno v:
Astronomy Reports. 55:978-988
Observations at 44 GHz in the 70−61 A + methanol line have been carried out on the 20-m telescope of the Onsala Space Observatory (Sweden) in the directions of the poorly studied region G27.4–0.2 and of several supernova remnants, at the coordina
Autor:
I. E. Val’tts, G. M. Larionov
Publikováno v:
Astronomy Reports. 51:813-819
A search for a relationship between class I and class II methanol maser flux densities has been carried out. A large sample of mixed-type sources has been studied, with each source in the sample radiating as a class I and class II maser simultaneousl
Autor:
I. E. Val'tts, G. M. Larionov
Publikováno v:
Astronomy Reports. 51:756-772
The distribution of the radial velocities of class I methanol masers relative to the velocities of their parent molecular clouds is analyzed. This analysis is based on catalog data for methanol masers detected up to the present time in both the north
Autor:
G. M. Larionov, I. E. Val’tts
Publikováno v:
Astronomy Reports. 51:519-530
A catalog of class I methanol masers discovered so far in the Southern and Northern hemispheres is presented. The catalog contains 160 sources. A statistical analysis shows that, within 2’ of the telescope pointing (which corresponds approximately
Publikováno v:
Astronomy Reports. 50:107-115
We have mapped three star-forming regions (G265.14+1.45, G269.16−1.14, G291.27−0.71) in the CS(3–2) and C34S(2–1) lines using the 15 m SEST telescope (Chile), and analyzed the relative positions of methanol and H2O masers, IRAS sources, and e
Publikováno v:
Astronomy Reports. 47:276-287
A molecular cloud and high-velocity outflow associated with the star-forming region L379 IRS3 have been mapped in the 6−1-50E methanol and CS (3-2) lines using the 12-meter Kitt Peak telescope. The estimated CS column density and abundance in the m
Publikováno v:
Astronomy Reports. 45:331-338
Eighteen regions (bipolar outflows and methanol masers) are mapped in the CS(2-1) line using the 20-m Onsala radio telescope. The coordinates of the CS emission peaks are refined. The sizes and masses of dense regions are estimated for 13 maps. Measu