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Newly discovered Herbig-Haro objects in Barnard 1 and NGC 1333
Yan, J; Wang, HC; Wang, M; Deng, LC; Yang, J; Chen, JS
AbstractWe have carried out a wide-held survey for Herbig-Haro (HH) objects in nearby star-forming regions using the Beijing Astronomical Observatory 60/90 cm Schmidt telescope. The survey covered 56 deg(2) in Perseus, Taurus, Orion, Monoceros, and other regions. Here we report our discovery of seven HH objects (HH 427-433) in the Barnard 1 dark cloud and one HH object (HPI 426) in NCC 1333. The newly discovered HH objects demonstrate a great variety of morphological structures: HH 426, 429, and 432 each consist of two knots, HH 427 is a single knot, HH 428 is a bar, HH 430 is a jet, HH 331 is a bow shock-shaped patch, and HH 433 is a complex of four knots. HH 432A, 432B, and 433 constitute a giant, highly collimated jet with a projected linear size of similar to 0.5 pc and a collimation ratio of similar to 11. The jet aligns well with a nearby star, IRAS 03304+3100 (LkH alpha 327), and may be driven by this source. Two optically visible stars are supposed to be the exciting sources for HH 426 and 428. For HH 427, 429, and 430, no exciting source can be identified.
KeywordIsm : Herbig-haro Objects Ism : Jets And Outflows Ism : Individual (Barnard 1, Ngc 1333) Stars : Formation Stars : Pre-main-sequence
Subject AreaAstronomy & Astrophysics
WOS HeadingsScience & Technology ; Physical Sciences
Indexed BySCI
WOS Research AreaAstronomy & Astrophysics
WOS SubjectAstronomy & Astrophysics
WOS IDWOS:000076763200028
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Cited Times:20[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Affiliation1.Chinese Acad Sci, Beijing Astron Observ, Beijing 100080, Peoples R China
2.Chinese Acad Sci, Purple Mt Observ, Nanjing 210008, Peoples R China
3.Peking Univ, Chinese Acad Sci, Beijing, Peoples R China
4.Beijing Astrophys Ctr, Beijing, Peoples R China
Recommended Citation
GB/T 7714
Yan, J,Wang, HC,Wang, M,et al. Newly discovered Herbig-Haro objects in Barnard 1 and NGC 1333[J]. ASTRONOMICAL JOURNAL,1998,116(5):2438-2442.
APA Yan, J,Wang, HC,Wang, M,Deng, LC,Yang, J,&Chen, JS.(1998).Newly discovered Herbig-Haro objects in Barnard 1 and NGC 1333.ASTRONOMICAL JOURNAL,116(5),2438-2442.
MLA Yan, J,et al."Newly discovered Herbig-Haro objects in Barnard 1 and NGC 1333".ASTRONOMICAL JOURNAL 116.5(1998):2438-2442.
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