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Article: New Herbig-Haro objects and giant outflows in Orion

TitleNew Herbig-Haro objects and giant outflows in Orion
Authors
KeywordsISM: individual: L1641
ISM: jets and outflows
Stars: formation
Surveys
ISM: individual: L1630
Issue Date1999
Citation
Monthly Notices of the Royal Astronomical Society, 1999, v. 310, n. 2, p. 331-354 How to Cite?
AbstractWe present the results of a photographic and CCD imaging survey for Herbig-Haro (HH) objects in the L1630 and L1641 giant molecular clouds in Orion. The new HH flows were initially identified from a deep Hα film from the recently commissioned AAO/UKST Hα Survey of the southern sky. Our scanned Hα and broad-band R images highlight both the improved resolution of the Hα survey and the excellent contrast of the Hα flux with respect to the broad-band R. Comparative IVN survey images allow us to distinguish between emission and reflection nebulosity. Our CCD Hα, [S II], continuum and I-band images confirm the presence of a parsec-scale HH flow associated with the Ori I-2 cometary globule, and several parsec-scale strings of HH emission centred on the L1641-N infrared cluster. Several smaller outflows display one-sided jets. Our results indicate that, for declinations south of -6° in L1641, parsec-scale flows appear to be the major force in the large-scale movement of optical dust and molecular gas.
Persistent Identifierhttp://hdl.handle.net/10722/208807
ISSN
2015 Impact Factor: 4.952
2015 SCImago Journal Rankings: 2.806

 

DC FieldValueLanguage
dc.contributor.authorMader, Stacy L.-
dc.contributor.authorZealey, William J.-
dc.contributor.authorParker, Quentin A.-
dc.contributor.authorMasheder, M. R W-
dc.date.accessioned2015-03-23T02:01:46Z-
dc.date.available2015-03-23T02:01:46Z-
dc.date.issued1999-
dc.identifier.citationMonthly Notices of the Royal Astronomical Society, 1999, v. 310, n. 2, p. 331-354-
dc.identifier.issn0035-8711-
dc.identifier.urihttp://hdl.handle.net/10722/208807-
dc.description.abstractWe present the results of a photographic and CCD imaging survey for Herbig-Haro (HH) objects in the L1630 and L1641 giant molecular clouds in Orion. The new HH flows were initially identified from a deep Hα film from the recently commissioned AAO/UKST Hα Survey of the southern sky. Our scanned Hα and broad-band R images highlight both the improved resolution of the Hα survey and the excellent contrast of the Hα flux with respect to the broad-band R. Comparative IVN survey images allow us to distinguish between emission and reflection nebulosity. Our CCD Hα, [S II], continuum and I-band images confirm the presence of a parsec-scale HH flow associated with the Ori I-2 cometary globule, and several parsec-scale strings of HH emission centred on the L1641-N infrared cluster. Several smaller outflows display one-sided jets. Our results indicate that, for declinations south of -6° in L1641, parsec-scale flows appear to be the major force in the large-scale movement of optical dust and molecular gas.-
dc.languageeng-
dc.relation.ispartofMonthly Notices of the Royal Astronomical Society-
dc.subjectISM: individual: L1641-
dc.subjectISM: jets and outflows-
dc.subjectStars: formation-
dc.subjectSurveys-
dc.subjectISM: individual: L1630-
dc.titleNew Herbig-Haro objects and giant outflows in Orion-
dc.typeArticle-
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.scopuseid_2-s2.0-0001283434-
dc.identifier.volume310-
dc.identifier.issue2-
dc.identifier.spage331-
dc.identifier.epage354-

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