The CARMA-NRO Orion Survey

We present the first results from a new, high resolution, \(^{12}\)CO(1-0), \(^{13}\)CO(1-0), and C\(^{18}\)O(1-0) molecular line survey of the Orion A cloud, hereafter referred to as the CARMA-NRO Orion Survey. CARMA observations have been combined with single-dish data from the Nobeyama 45m telesc...

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Veröffentlicht in:arXiv.org 2018-03
Hauptverfasser: Kong, Shuo, Arce, Héctor G, Feddersen, Jesse R, Carpenter, John M, Nakamura, Fumitaka, Shimajiri, Yoshito, Isella, Andrea, Ossenkopf-Okada, Volker, Sargent, Anneila I, Sánchez-Monge, Álvaro, Suri, Sümeyye T, Kauffmann, Jens, Pillai, Thushara, Pineda, Jaime E, Koda, Jin, Bally, John, Lis, Dariusz C, Padoan, Paolo, Klessen, Ralf, Mairs, Steve, Goodman, Alyssa, Goldsmith, Paul, McGehee, Peregrine, Schilke, Peter, Teuben, Peter J, Maureira, María José, Hara, Chihomi, Ginsburg, Adam, Burkhart, Blakesley, Smith, Rowan J, Schmiedeke, Anika, Pineda, Jorge L, Ishii, Shun, Sasaki, Kazushige, Kawabe, Ryohei, Urasawa, Yumiko, Oyamada, Shuri, Tanabe, Yoshihiro
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container_title arXiv.org
container_volume
creator Kong, Shuo
Arce, Héctor G
Feddersen, Jesse R
Carpenter, John M
Nakamura, Fumitaka
Shimajiri, Yoshito
Isella, Andrea
Ossenkopf-Okada, Volker
Sargent, Anneila I
Sánchez-Monge, Álvaro
Suri, Sümeyye T
Kauffmann, Jens
Pillai, Thushara
Pineda, Jaime E
Koda, Jin
Bally, John
Lis, Dariusz C
Padoan, Paolo
Klessen, Ralf
Mairs, Steve
Goodman, Alyssa
Goldsmith, Paul
McGehee, Peregrine
Schilke, Peter
Teuben, Peter J
Maureira, María José
Hara, Chihomi
Ginsburg, Adam
Burkhart, Blakesley
Smith, Rowan J
Schmiedeke, Anika
Pineda, Jorge L
Ishii, Shun
Sasaki, Kazushige
Kawabe, Ryohei
Urasawa, Yumiko
Oyamada, Shuri
Tanabe, Yoshihiro
description We present the first results from a new, high resolution, \(^{12}\)CO(1-0), \(^{13}\)CO(1-0), and C\(^{18}\)O(1-0) molecular line survey of the Orion A cloud, hereafter referred to as the CARMA-NRO Orion Survey. CARMA observations have been combined with single-dish data from the Nobeyama 45m telescope to provide extended images at about 0.01 pc resolution, with a dynamic range of approximately 1200 in spatial scale. Here we describe the practical details of the data combination in uv space, including flux scale matching, the conversion of single dish data to visibilities, and joint deconvolution of single dish and interferometric data. A \(\Delta\)-variance analysis indicates that no artifacts are caused by combining data from the two instruments. Initial analysis of the data cubes, including moment maps, average spectra, channel maps, position-velocity diagrams, excitation temperature, column density, and line ratio maps provides evidence of complex and interesting structures such as filaments, bipolar outflows, shells, bubbles, and photo-eroded pillars. The implications for star formation processes are profound and follow-up scientific studies by the CARMA-NRO Orion team are now underway. We plan to make all the data products described here generally accessible; some are already available at https://dataverse.harvard.edu/dataverse/CARMA-NRO-Orion
doi_str_mv 10.48550/arxiv.1803.11522
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subjects Cubes
Data analysis
Filaments
Outflow
Physics - Astrophysics of Galaxies
Pillars
Star & galaxy formation
Star formation
Variance analysis
title The CARMA-NRO Orion Survey
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