Zobrazeno 1 - 10
of 40
pro vyhledávání: '"Dewangan, Lokesh K"'
Autor:
Das, Swagat R., Merello, Manuel, Bronfman, Leonardo, Liu, Tie, Garay, Guido, Stutz, Amelia, Mardones, Diego, Zhou, Jian-Wen, Sanhueza, Patricio, Liu, Hong-Li, Vázquez-Semadeni, Enrique, Gómez, Gilberto C., Palau, Aina, Tej, Anandmayee, Xu, Feng-Wei, Baug, Tapas, Dewangan, Lokesh K., He, Jinhua, Zhu, Lei, Li1, Shanghuo, Juvela, Mika, Saha, Anindya, Issac, Namitha, Hwang, Jihye, Nazeer, Hafiz, Toth, L. Viktor
Hub-filament systems are considered as natural sites for high-mass star formation. Kinematic analysis of the surroundings of hub-filaments is essential to better understand high-mass star formation within such systems. In this work, we present a deta
Externí odkaz:
http://arxiv.org/abs/2409.19204
Autor:
Saha, Anindya, Tej, Anandmayee, Liu, Hong-Li, Liu, Tie, Garay, Guido, Goldsmith, Paul F., Lee, Chang Won, He, Jinhua, Juvela, Mika, Bronfman, Leonardo, Baug, Tapas, Vazquez-Semadeni, Enrique, Sanhueza, Patricio, Li, Shanghuo, Chibueze, James O., Bhadari, N. K., Dewangan, Lokesh K., Das, Swagat Ranjan, Xu, Feng-Wei, Issac, Namitha, Hwang, Jihye, Toth, L. Viktor
Using new continuum and molecular line data from the ALMA Three-millimeter Observations of Massive Star-forming Regions (ATOMS) survey and archival VLA, 4.86 GHz data, we present direct observational evidence of hierarchical triggering relating three
Externí odkaz:
http://arxiv.org/abs/2407.01063
Autor:
Verma, Aayushi, Sharma, Saurabh, Dewangan, Lokesh K., Ojha, Devendra K., Mallick, Kshitiz, Yadav, Ram Kesh, Kaur, Harmeen, Chand, Tarak, Agarwal, Mamta, Gupta, Archana
We aim to investigate the global star formation scenario in star-forming sites AFGL 5157, [FSR2007] 0807 (hereafter FSR0807), [HKS2019] E70 (hereafter E70), [KPS2012] MWSC 0620 (hereafter KPS0620), and IRAS 05331+3115 in the outer galactic arm. The d
Externí odkaz:
http://arxiv.org/abs/2406.10388
Autor:
Sharma, Saurabh, Verma, Aayushi, Mallick, Kshitiz, Dewangan, Lokesh K., Kaur, Harmeen, Yadav, Ram Kesh, Panwar, Neelam, Ojha, Devendra K., Chand, Tarak, Agarwal, Mamta
We present a multi-wavelength analysis of the star cluster NGC 2316 and its surroundings. We estimated the physical parameters of the NGC 2316 cluster, including its shape (elongated), size (Rcluster = 0.4 pc), distance (1.3 +/- 0.3 kpc), and minimum
Externí odkaz:
http://arxiv.org/abs/2312.17699
Autor:
Panja, Alik, Dewangan, Lokesh K., Baug, Tapas, Chen, Wen Ping, Sun, Yan, Sinha, Tirthendu, Mondal, Soumen
We uncover a hub-filament system associated with massive star formation in the G083.097$+$03.270. Diagnosed with simultaneous $^{12}$CO, $^{13}$CO, and C$^{18}$O line observations, the region is found to host two distinct and elongated filaments havi
Externí odkaz:
http://arxiv.org/abs/2309.13912
Autor:
Kaur, Harmeen, Sharma, Saurabh, Durgapal, Alok, Dewangan, Lokesh K, Verma, Aayushi, Panwar, Neelam, Pandey, Rakesh, Ghosh, Arpan
We present the results from our deep optical photometric observations of Bochum 2 (Boc2) star cluster obtained using the $1.3$m Devasthal Fast Optical Telescope along with archival photometric data from Pan-STARRS2/2MASS/UKIDSS surveys. We also used
Externí odkaz:
http://arxiv.org/abs/2305.01212
Autor:
Zemlyanukha, Petr, Zinchenko, Igor I., Dombek, Evgeny, Pirogov, Lev E., Topchieva, Anastasiia, Joncas, Gilles, Dewangan, Lokesh K., Ojha, Devendra K., Ghosh, Swarna K.
Publikováno v:
Monthly Notices of the Royal Astronomical Society, Volume 515, Issue 2, September 2022, Pages 2445-2463
The environment of S187, a nearby H II region (1.4$\pm$0.3 kpc), is analyzed. A surrounding shell has been studied in the H I line, molecular lines, and also in infrared and radio continua. We report the first evidence of a clumpy HI environment in i
Externí odkaz:
http://arxiv.org/abs/2207.05507
Autor:
Pandey, Rakesh, Sharma, Saurabh, Dewangan, Lokesh K., Ojha, Devendra K., Panwar, Neelam, Das, Swagat, Bisen, D. P., Ghosh, Arpan, Sinha, Tirthendu
We present a multiwavelength study of the H II region Sh 2-301 (S301) using deep optical data, near-infrared data, radio continuum data and other archival data at longer wavelengths. A cluster of young stellar objects (YSOs) is identified in the nort
Externí odkaz:
http://arxiv.org/abs/2112.01539
Autor:
Kaur, Harmeen, Sharma, Saurabh, Dewangan, Lokesh K., Ojha, Devendra K., Durgapal, Alok, Panwar, Neelam
Deep and wide-field optical photometric observations along with multiwavelength archival datasets have been employed to study the physical properties of the cluster NGC 6910. The study also examines the impact of massive stars to their environment. T
Externí odkaz:
http://arxiv.org/abs/2004.10500
Autor:
Pandey, Rakesh, Sharma, Saurabh, Panwar, Neelam, Dewangan, Lokesh K., Ojha, Devendra K., Bisen, D. P., Sinha, Tirthendu, Ghosh, Arpan, Pandey, Anil K.
Using our deep optical and near-infrared photometry along with multiwavelength archival data, we here present a detailed study of the Galactic H II region Sh 2-305, to understand the star/star-cluster formation. On the basis of excess infra-red emiss
Externí odkaz:
http://arxiv.org/abs/2001.04722