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SUMMARY:Unveiling the Nature of Protostellar Jets and Outflows
DTSTART:20260616T103000Z
DTEND:20260616T113000Z
DTSTAMP:20260503T112500Z
UID:indico-event-9321@scitalks.tifr.res.in
DESCRIPTION:Speakers: Somnath Dutta (Academia Sinica Institute of Astronom
 y and Astrophysics\, Taiwan)\n\nProtostellar jets and outflows are key age
 nts in removing excess angular momentum from circumstellar disks\, thereby
  facilitating stellar accretion. Recent observations with the Atacama Larg
 e Millimeter/submillimeter Array and James Webb Space Telescope have opene
 d a new window on these phenomena. Infrared spectroscopy with JWST of H₂
  rovibrational and rotational lines\, along with atomic and ionized emissi
 on lines\, reveals warm shock structures and multiple temperature componen
 ts along the jet. In contrast\, ALMA observations of CO and SiO rotational
  lines trace the colder\, denser gas in the shocked regions. Multiwaveleng
 th observations are therefore essential\, as jets span a wide range of phy
 sical conditions. Only by combining infrared and submillimeter diagnostics
  can we fully constrain their temperature\, density\, kinematics\, and ene
 rgetics. In this talk\, I will present combined JWST–ALMA results on emb
 edded protostellar systems\, highlighting how these complementary diagnost
 ics provide a more complete view of jet physics and their interaction with
  the surrounding envelope. I will also discuss how observations from Indi
 an infrared facilities\, such as TANSPEC on the Devasthal Optical Teles
 cope and TIRSPEC on the Himalayan Chandra Telescope\, are well suited 
 to extend these studies through sensitive imaging and spectroscopy. \nTog
 ether with submillimeter observatories\, these facilities promise a compre
 hensive understanding of protostellar jet launching\, evolution\, and feed
 back in diverse star-forming environments.\n\nhttps://scitalks.tifr.res.in
 /event/9321/
LOCATION:AG-66
URL:https://scitalks.tifr.res.in/event/9321/
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