Zobrazeno 1 - 10
of 47
pro vyhledávání: '"YUNG, Bosco H. K."'
Autor:
Karska, Agata, Koprowski, Maciej, Solarz, Aleksandra, Szczerba, Ryszard, Sewiło, Marta, Siódmiak, Natasza, Elia, Davide, Gawroński, Marcin, Grzesiak, Konrad, Yung, Bosco H. K., Fischer, William J., Kristensen, Lars E.
Publikováno v:
A&A 663, A133 (2022)
(abridged) Star formation in the outer Galaxy, i.e., outside of the Solar circle, has been lightly studied in part due to low CO brightness of molecular clouds linked with the negative metallicity gradient. Recent infrared surveys provide an overview
Externí odkaz:
http://arxiv.org/abs/2204.11687
Autor:
Tafoya, Daniel, Imai, Hiroshi, Gomez, Jose F., Nakashima, Jun-ichi, Orosz, Gabor, Yung, Bosco H. K.
Publikováno v:
The Astrophysical Journal Letters, Volume 890, Issue 1, id.L14 February 2020
One of the major puzzles in the study of stellar evolution is the formation process of bipolar and multi-polar planetary nebulae. There is growing consensus that collimated jets create cavities with dense walls in the slowly-expanding (10--20 ~km~s$^
Externí odkaz:
http://arxiv.org/abs/2006.07157
Autor:
Sewiło, Marta, Whitney, Barbara A., Yung, Bosco H. K., Robitaille, Thomas P., Elia, Davide, Indebetouw, Remy, Schisano, Eugenio, Szczerba, Ryszard, Karska, Agata, Wiseman, Jennifer, Babler, Brian, Boyer, Martha, Fischer, William J., Meade, Marilyn, Olmi, Luca, Padgett, Deborah, Siódmiak, Natasza
We study a very young star-forming region in the outer Galaxy that is the most concentrated source of outflows in the Spitzer Space Telescope GLIMPSE360 survey. This region, dubbed CMa-l224, is located in the Canis Major OB1 association. CMa-l224 is
Externí odkaz:
http://arxiv.org/abs/1811.12122
We present the results of our search for low- and intermediate mass evolved stars in the outer Galaxy using AllWISE catalogue photometry. We show that the [3.4]-[12] versus [4.6]-[22] colour-colour diagram is most suitable for separating C-rich/O-ric
Externí odkaz:
http://arxiv.org/abs/1612.09118
The small-scale bipolar jets having short dynamical ages from "water fountain (WF)" sources are regarded as an indication of the onset of circumstellar envelope morphological metamorphosis of intermediate-mass stars. Such process usually happens at t
Externí odkaz:
http://arxiv.org/abs/1611.03306
Autor:
Nakashima, Jun-ichi, Ladeyschikov, Dmitry A., Sobolev, Andrej M., Zhang, Yong, Hsia, Chih-Hao, Yung, Bosco H. K.
We report the results of a wide field CO mapping in the region of IRAS 19312+1950. This IRAS object exhibits SiO/H$_2$O/OH maser emission, and is embedded in a chemically-rich molecular component, of which the origin is still unknown. In order to rev
Externí odkaz:
http://arxiv.org/abs/1604.07170
Autor:
Nakashima, Jun-ichi, Sobolev, Andrej M., Salii, Svetlana V., Zhang, Yong, Yung, Bosco H. K., Deguchi, Shuji
We report the result of a systematic methanol observation toward IRAS 19312+1950. The properties of the SiO, H2O and OH masers of this object are consistent with those of mass-losing evolved stars, but some other properties are difficult to explain i
Externí odkaz:
http://arxiv.org/abs/1506.06551
We report the results of Australia Telescope Compact Array (ATCA) observations of the Westerlund~1 (Wd1) region in the SiO v=1, J=1-0 and H2O 6(16)-5(23) maser lines, and we also report the analysis of maser properties of red supergiants (RSGs) assoc
Externí odkaz:
http://arxiv.org/abs/1209.6427
Autor:
Nakashima, Jun-ichi, Koning, Nico, Volgenau, Nikolaus H., Kwok, Sun, Yung, Bosco H. K., Zhang, Yong
We report the results of radio interferometric observations of the 21-micron source IRAS 22272+5435 in the CO J=2-1 line. 21-micron sources are carbon-rich objects in the post-AGB phase of evolution which show an unidentified emission feature at 21 m
Externí odkaz:
http://arxiv.org/abs/1209.4168
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