Exploring the outer solar system with the ESSENCE Supernova Survey

Becker, A. C., Arraki, K., Kaib, N. A., Wood-Vasey, W. M., Aguilera, C., Blackman, J. W., Blondin, S., Challis, P., Clocchiatti, A., Covarrubias, R., Damke, G., Davis, T. M., Filippenko, A. V., Foley, R. J., Garg, A., Garnavich, P. M., Hicken, M., Jha, S., Kirshner, R. P., Krisciunas, K., Leibundgut, B., Li, W., Matheson, T., Miceli, A., Miknaitis, G., Narayan, G., Pignata, G., Prieto, J. L., Rest, A., Riess, A.G., Salvo, M. E., Schmidt, B. P., Smith, R. C., Sollerman, J., Spyromilio, J., Stubbs, C. W., Suntzeff, N. B., Tonry, J. L. and Zenteno, A. (2008) Exploring the outer solar system with the ESSENCE Supernova Survey. The Astrophysical Journal Letters, 682 1: L53-L56. doi:10.1086/590429

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Author Becker, A. C.
Arraki, K.
Kaib, N. A.
Wood-Vasey, W. M.
Aguilera, C.
Blackman, J. W.
Blondin, S.
Challis, P.
Clocchiatti, A.
Covarrubias, R.
Damke, G.
Davis, T. M.
Filippenko, A. V.
Foley, R. J.
Garg, A.
Garnavich, P. M.
Hicken, M.
Jha, S.
Kirshner, R. P.
Krisciunas, K.
Leibundgut, B.
Li, W.
Matheson, T.
Miceli, A.
Miknaitis, G.
Narayan, G.
Pignata, G.
Prieto, J. L.
Rest, A.
Riess, A.G.
Salvo, M. E.
Schmidt, B. P.
Smith, R. C.
Sollerman, J.
Spyromilio, J.
Stubbs, C. W.
Suntzeff, N. B.
Tonry, J. L.
Zenteno, A.
Title Exploring the outer solar system with the ESSENCE Supernova Survey
Journal name The Astrophysical Journal Letters   Check publisher's open access policy
ISSN 0004-637X
Publication date 2008-07-20
Year available 2008
Sub-type Article (original research)
DOI 10.1086/590429
Open Access Status File (Publisher version)
Volume 682
Issue 1
Start page L53
End page L56
Total pages 4
Place of publication Philadelphia, PA, United States
Publisher Institute of Physics Publishing
Language eng
Subject 3103 Astronomy and Astrophysics
1912 Space and Planetary Science
Abstract We report the discovery and orbital determination of 14 trans-Neptunian objects (TNOs) from the ESSENCE Supernova Survey difference imaging data set. Two additional objects discovered in a similar search of the SDSSII Supernova Survey database were recovered in this effort. ESSENCE repeatedly observed fields far from the solar system ecliptic (21 ! b ! 5), reaching limiting magnitudes per observation of I ≈ 23.1 and R ≈ . We examine several of the newly detected objects in detail, including 2003 UC41423.7 , which orbits entirely between Uranus and Neptune and lies very close to a dynamical region that would make it stable for the lifetime of the solar system. 2003 SS422 and 2007 TA418 have high eccentricities and large perihelia, making them candidate members of an outer class of TNOs. We also report a new member of the “extended” or “detached” scattered disk, 2004 VN112, and verify the stability of its orbit using numerical simulations. This object would have been visible to ESSENCE for only ∼2% of its orbit, suggesting a vast number of similar objects across the sky. We emphasize that off-ecliptic surveys are optimal for uncovering the diversity of such objects, which in turn will constrain the history of gravitational influences that shaped our early solar system.
Keyword Kuiper Belt
Methods: data analysis
Surveys
Q-Index Code C1
Q-Index Status Confirmed Code
Institutional Status UQ

Document type: Journal Article
Sub-type: Article (original research)
Collections: Excellence in Research Australia (ERA) - Collection
School of Mathematics and Physics
 
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Created: Wed, 25 Mar 2009, 01:54:21 EST by Jo Hughes on behalf of Faculty of Science