مؤتمر
Observations of Infrared-identified Protostars in Molecular Maser Lines
| العنوان: | Observations of Infrared-identified Protostars in Molecular Maser Lines |
|---|---|
| المؤلفون: | Kang, Miju, Lee, Jeong-Eun, Choi, Minho, Choi, Yunhee, Kim, Kee-Tae, Di Francesco, James, Park, Yong-Sun |
| المصدر: | Kang , M , Lee , J-E , Choi , M , Choi , Y , Kim , K-T , Di Francesco , J & Park , Y-S 2013 , ' Observations of Infrared-identified Protostars in Molecular Maser Lines ' , Protostars and Planets VI , Heidelberg , Germany , 15/07/2013 - 20/07/2013 . < http://esoads.eso.org/abs/2013prpl.conf1H014KTest > |
| سنة النشر: | 2013 |
| المجموعة: | University of Groningen research database |
| الوصف: | Many protostars were recently identified from the infrared data from the Spitzer space telescope. We present the results of a maser survey toward 99 protostars in the Orion molecular cloud complex. Observations were carried out in the water maser line at 22 GH z and three class I methanol maser lines at 44, 95, and 133 GHz. Five water maser sources were detected, and they are excited by HH 1-2 VLA 3, HH 1-2 VLA1, L1641N MM1/3, NGC 2071 IRS 1/3, and an object in the OMC 3 region. The water masers showed significant variability in intensity and velocity with time scales of a month or shorter. Four methanol emission sources were detected, and those in the OMC 2 FIR 3/4 and L1641N MM1/3 regions are probably masers. The methanol emission from the other two sources in the NGC 2071 IRS 1-3 and V380 Ori NE regions are probably thermal. For the water maser, the number of detections per protostar in the survey region is about 2%, which suggests that the water maser of low-mass protostars is rarely detectable. Th e methanol class I maser of low-mass protostars is an even rarer phenomenon, with a detection rate much smaller than 1%. |
| نوع الوثيقة: | conference object |
| اللغة: | English |
| الإتاحة: | http://hdl.handle.net/11370/ba53b8fd-ef63-4d03-a30c-e129815cb26fTest https://research.rug.nl/en/publications/observations-of-infraredidentified-protostars-in-molecular-maser-linesTest(ba53b8fd-ef63-4d03-a30c-e129815cb26f).html http://esoads.eso.org/abs/2013prpl.conf1H014KTest |
| حقوق: | info:eu-repo/semantics/restrictedAccess |
| رقم الانضمام: | edsbas.B0CF3123 |
| قاعدة البيانات: | BASE |
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