7 papers
Southern eROSITA bubble as a forward shock and the low-metallicity CGM. South-east side story
E. Churazov, I. I. Khabibullin, A. M. Bykov +4
Unlike the complicated X-ray and radio structure observed in the North Polar Spur area, the South-Eastern part of the eROSITA bubbles can be reasonably well described as a propagat…
Unveiling an Hourglass-Shaped Magnetic Field toward IRDC G351.77-0.53
O. R. Jadhav, L. K. Dewangan, I. I. Zinchenko +5
We present the SOFIA/HAWC+ 214 m polarimetric observations toward the infrared dark cloud G351.77-0.53 (hereafter G351), complemented by existing multi-wavelength data sets. In…
Submillimeter Class II methanol masers near the massive protostar S255IR NIRS3: evolution and excitation of the A series and a new maser line at 345.919 GHz
I. I. Zinchenko, S. V. Salii, A. M. Sobolev +3
We present the results of the further investigation of the Class II methanol maser emission in the A transition at 349.1 GHz discovered in 2016 in the remarkab…
Study of the physical and chemical properties of dense clumps at different evolutionary stages in several regions of massive star and stellar cluster formation
A. G. Pazukhin, I. I. Zinchenko, E. A. Trofimova
Massive stars play an important role in the Universe. Unlike low-mass stars, the formation of these objects located at great distances is still unclear. It is expected to be govern…
Fine structure and kinematics of the ionized and molecular gas in the jet and disk around S255IR NIRS3 from high resolution ALMA observations
I. I. Zinchenko, S. -Y. Liu, Y. -N. Su
We present observations of the high-mass star-forming region S255IR, which harbors the 20 M protostar NIRS3, where a disk-mediated accretion burst was recorded severa…
North Polar Spur: gaseous plume(s) from star-forming regions at 3-5 kpc from Galactic Center?
E. Churazov, I. Khabibullin, A. M. Bykov +4
We argue that the North Polar Spur (NPS) and many less prominent structures are formed by gaseous metal-rich plumes associated with star-forming regions (SFRs). The SFRs located at…