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The Hubble Space Telescope Treasury Program on the Orion Nebula Cluster

Robberto, M. and Stauffer, J. R. and Hillenbrand, L. A. and Ricci, L. (2013) The Hubble Space Telescope Treasury Program on the Orion Nebula Cluster. Astrophysical Journal Supplement Series, 207 (1). Art. No. 10. ISSN 0067-0049. doi:10.1088/0067-0049/207/1/10. https://resolver.caltech.edu/CaltechAUTHORS:20130906-133013058

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Abstract

The Hubble Space Telescope (HST) Treasury Program on the Orion Nebula Cluster (ONC) has used 104 orbits of HST time to image the Great Orion Nebula region with the Advanced Camera for Surveys (ACS), the Wide-Field/Planetary Camera 2 (WFPC2), and the Near-Infrared Camera and Multi-Object Spectrograph (NICMOS) instrument in 11 filters ranging from the U band to the H band equivalent of HST. The program has been intended to perform the definitive study of the stellar component of the ONC at visible wavelengths, addressing key questions like the cluster initial mass function, age spread, mass accretion, binarity, and cirumstellar disk evolution. The scanning pattern allowed us to cover a contiguous field of approximately 600 arcmin^2 with both ACS and WFPC2, with a typical exposure time of approximately 11 minutes per ACS filter, corresponding to a point source depth AB(F435W) = 25.8 and AB(F775W) = 25.2 with 0.2 mag of photometric error. We describe the observations, data reduction, and data products, including images, source catalogs, and tools for quick look preview. In particular, we provide ACS photometry for 3399 stars, most of them detected at multiple epochs; WFPC2 photometry for 1643 stars, 1021 of them detected in the U band; and NICMOS JH photometry for 2116 stars. We summarize the early science results that have been presented in a number of papers. The final set of images and the photometric catalogs are publicly available through the archive as High Level Science Products at the STScI Multimission Archive hosted by the Space Telescope Science Institute.


Item Type:Article
Related URLs:
URLURL TypeDescription
http://arxiv.org/abs/1304.4866arXivDiscussion Paper
http://dx.doi.org/10.1088/0067-0049/207/1/10 DOIArticle
http://iopscience.iop.org/0067-0049/207/1/10/PublisherArticle
ORCID:
AuthorORCID
Stauffer, J. R.0000-0003-3595-7382
Additional Information:© 2013 The American Astronomical Society. Received 2012 March 30; accepted 2013 March 27; published 2013 July 1. The authors thank Rusty Whitman and the TRANS development team at STScI for their support crafting the HST visits pattern; Tony Roman was the Program Coordinator for STScI; Ilana Dashevsky, Alfred Schultz, and the HST TRANS development team for allowing NICMOS to use the FOM dithering; and Ron Gilliland for pointing out the opportunity of using gain = 2 settings with ACS. We also acknowledge the anonymous referee for useful comments. Based on observations made with the NASA/ESA Hubble Space Telescope under the GO program No. 10246, obtained at the Space Telescope Science Institute, which is operated by the Association of Universities for Research in Astronomy, Inc., under NASA contract NAS 5-26555. These observations are associated with program No. 10246.
Funders:
Funding AgencyGrant Number
NASAGO 10246
NASANAS 5-26555
Subject Keywords:brown dwarfs; ISM: individual objects (M42); stars: formation; stars: low-mass; stars: pre-main sequence
Issue or Number:1
DOI:10.1088/0067-0049/207/1/10
Record Number:CaltechAUTHORS:20130906-133013058
Persistent URL:https://resolver.caltech.edu/CaltechAUTHORS:20130906-133013058
Official Citation:The Hubble Space Telescope Treasury Program on the Orion Nebula Cluster M. Robberto et al. 2013 ApJS 207 10
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:41145
Collection:CaltechAUTHORS
Deposited By: Tony Diaz
Deposited On:17 Sep 2013 23:32
Last Modified:10 Nov 2021 04:26

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