Jets and Herbig-Haro objects in the ρ Ophiuchi embedded cluster

M. Gómez, Daniel P Stark, B. A. Whitney, E. Churchwell

Research output: Contribution to journalArticle

22 Citations (Scopus)

Abstract

We present results from a near-infrared 2.12 μm survey covering a large portion of the ρ Ophiuchi cloud (three regions of ∼20′ 20′ each, on average) in an effort to improve the detection of embedded molecular hydrogen emission objects in the cloud. We complement these observations with deep optical [S II] images of six areas of 10′ 10′ each. We recovered all previously known optical jets/Herbig-Haro (HH) objects as well as H2 outflows in the region and report the detection of four new HH objects and 13 near-infrared knots. We provide coordinates and describe the morphology of these knots, several of which are identified as belonging to the same flow on the basis of morphological and proximity arguments. We discuss likely exciting sources. A unique association of the driving star is not always possible, as several young stars lie in close proximity to these knots.

Original languageEnglish (US)
Pages (from-to)863-886
Number of pages24
JournalAstronomical Journal
Volume126
Issue number2 1772
DOIs
StatePublished - Aug 2003
Externally publishedYes

Fingerprint

Herbig-Haro objects
proximity
Ophiuchi clouds
near infrared
stars
complement
coverings
outflow
hydrogen
detection
young

Keywords

  • ISM: Herbig-Haro objects
  • ISM: individual (ρ Ophiuchi)
  • ISM: jets and outflows
  • Stars: formation
  • Stars: low-mass, brown dwarfs
  • Stars: pre-main-sequence

ASJC Scopus subject areas

  • Space and Planetary Science
  • Astronomy and Astrophysics

Cite this

Jets and Herbig-Haro objects in the ρ Ophiuchi embedded cluster. / Gómez, M.; Stark, Daniel P; Whitney, B. A.; Churchwell, E.

In: Astronomical Journal, Vol. 126, No. 2 1772, 08.2003, p. 863-886.

Research output: Contribution to journalArticle

Gómez, M, Stark, DP, Whitney, BA & Churchwell, E 2003, 'Jets and Herbig-Haro objects in the ρ Ophiuchi embedded cluster', Astronomical Journal, vol. 126, no. 2 1772, pp. 863-886. https://doi.org/10.1086/376741
Gómez, M. ; Stark, Daniel P ; Whitney, B. A. ; Churchwell, E. / Jets and Herbig-Haro objects in the ρ Ophiuchi embedded cluster. In: Astronomical Journal. 2003 ; Vol. 126, No. 2 1772. pp. 863-886.
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