SIMBAD references

2015AJ....150..108O - Astron. J., 150, 108 (2015/October-0)

The nature and frequency of outflows from stars in the central Orion Nebula Cluster.


Abstract (from CDS):

Recent Hubble Space Telescope images have allowed the determination with unprecedented accuracy of motions and changes of shocks within the inner Orion Nebula. These originate from collimated outflows from very young stars, some within the ionized portion of the nebula and others within the host molecular cloud. We have doubled the number of Herbig-Haro objects known within the inner Orion Nebula. We find that the best-known Herbig-Haro shocks originate from relatively few stars, with the optically visible X-ray source COUP 666 driving many of them. While some isolated shocks are driven by single collimated outflows, many groups of shocks are the result of a single stellar source having jets oriented in multiple directions at similar times. This explains the feature that shocks aligned in opposite directions in the plane of the sky are usually blueshifted because the redshifted outflows pass into the optically thick photon-dominated region behind the nebula. There are two regions from which optical outflows originate for which there are no candidate sources in the SIMBAD database.

Abstract Copyright:

Journal keyword(s): HII regions - ISM: individual: (Orion Nebula, NGC 1976, M42, Orion-South) - protoplanetary disks

VizieR on-line data: <Available at CDS (J/AJ/150/108): table6.dat table7.dat>

Status at CDS : Examining the need for a new acronym.

CDS comments: Probable misprints : EC 113 = EC 13 ([EC2006] MM13 in Simbad) / d119-327 = d109-327 ([BOM2000]) / MLLA 292 = MLLA 291 / FBG 291 = FBG 316 ([FBG2002]) / MLLA 38 = TCC 38 (=MLLA 322) / MLLA 48 = MLLA 448 / HC 455 = HC 213 ([HC2000], = HBC 455) / The reference for Smith et al. 2004 is 2004, ApJL, 610, 117. Source F 053246.64-052544.72 (140.9-351.2) not found in Felli et al. 1993.

Simbad objects: 152

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