SIMBAD references

2008AJ....136.2136R - Astron. J., 136, 2136-2151 (2008/November-0)

The Hubble space Telescope/Advanced camera for surveys atlas of protoplanetary disks in the Great Orion Nebula.

RICCI L., ROBBERTO M. and SODERBLOM D.R.

Abstract (from CDS):

We present the atlas of protoplanetary disks in the Orion Nebula based on the Wide Field Channel of the Advanced Camera for Surveys (ACS/WFC) images obtained for the Hubble Space Telescope (HST) Treasury Program on the Orion Nebula Cluster. The observations have been carried out in five photometric filters nearly equivalent to the standard B, V, Hα, I, and z passbands. Our master catalog lists 178 externally ionized protoplanetary disks (proplyds), 28 disks seen only in absorption against the bright nebular background (silhouette disks), eight disks seen only as dark lanes at the midplane of extended polar emission (bipolar nebulae or reflection nebulae), and five sources showing jet emission with no evidence of either external ionized gas emission or dark silhouette disks. Many of these disks are associated with jets seen in Hα and circumstellar material detected through reflection emission in our broadband filters; approximately two-thirds have identified counterparts in X-rays. A total of 47 objects (29 proplyds, seven silhouette disks, six bipolar nebulae, five jets with no evidence of proplyd emission or silhouette disk) are new detections with HST. We include in our list four objects previously reported as circumstellar disks, which have not been detected in our HST/ACS images either because they are hidden by the bleeding trails of a nearby saturated bright star or because of their location out of the HST/ACS Treasury Program field. The other 31 sources previously reported as extended objects do not harbor a stellar source in our HST/ACS images. We also report on the detection of 16 red, elongated sources. Their location at the edges of the field, far from the Trapezium cluster core (≳10'), suggests that these are probably background galaxies observed through low-extinction regions of the Orion Molecular Cloud (OMC-1).

Abstract Copyright:

Journal keyword(s): ISM: individual: Orion Nebula - ISM: jets and outflows - planetary systems: protoplanetary disks - reflection nebulae - stars: formation - stars: pre-main sequence

VizieR on-line data: <Available at CDS (J/AJ/136/2136): table3.dat list.dat data/*>

Nomenclature: Tables 3-6: [RRS2008] SSs-MSS, [RRS2008] SSs-MMSS, [RRS2008] MSSs-MSS, [RRS2008] MSSs-MMSS, N=219+4+30+16.

Simbad objects: 276

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