Detection of two binary trans-Neptunian objects, 1997 CQ29 and 2000 CF105 with the Hubble Space Telescope

Keith S. Noll; Denise C. Stephens; Will M. Grundy; Robert L. Millis; John Spencer; Marc W. Buie; Stephen C Tegler; William Romanishin; Dale P. Cruikshank

doi:10.1086/344762

Detection of two binary trans-Neptunian objects, 1997 CQ₂₉ and 2000 CF₁₀₅ with the Hubble Space Telescope

Keith S. Noll, Denise C. Stephens, Will M. Grundy, Robert L. Millis, John Spencer, Marc W. Buie, Stephen C Tegler, William Romanishin, Dale P. Cruikshank

Physics and Astronomy

Research output: Contribution to journal › Article

25 Scopus citations

Abstract

Images of the trans-Neptunian objects 1997 CQ₂₉ and 2000 CF ₁₀₅ obtained with the Hubble Space Telescope WFPC2 camera show them to be binary. The two components of 1997 CQ₂₉ were separated in our images by 0″.20 ± 0″.03 in 2001 November and by 0″.33 ± 0″.01 in 2002 June/July. The corresponding minimum physical distances are 6100 and 10, 200 km. The companion to 2000 CF₁₀₅ was 0″.78 ± 0″.03 from the primary, at least 23, 400 km. Six other objects in the trans-Neptunian region, including Pluto and its moon Charon, are known to be binaries; 1997 CQ₂₉ and 2000 CF ₁₀₅ are the seventh and eighth known pair. Binarity appears to be a not uncommon characteristic in this region of the solar system, with detectable companions present in 4% ± 2% of the objects we have examined.

Original language	English (US)
Pages (from-to)	3424-3429
Number of pages	6
Journal	Astronomical Journal
Volume	124
Issue number	6 1764
DOIs	https://doi.org/10.1086/344762
State	Published - Dec 2002

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Keywords

Kuiper belt
Oort cloud

ASJC Scopus subject areas

Space and Planetary Science
Astronomy and Astrophysics

Cite this

Noll, K. S., Stephens, D. C., Grundy, W. M., Millis, R. L., Spencer, J., Buie, M. W., Tegler, S. C., Romanishin, W., & Cruikshank, D. P. (2002). Detection of two binary trans-Neptunian objects, 1997 CQ₂₉ and 2000 CF₁₀₅ with the Hubble Space Telescope. Astronomical Journal, 124(6 1764), 3424-3429. https://doi.org/10.1086/344762

Detection of two binary trans-Neptunian objects, 1997 CQ₂₉ and 2000 CF₁₀₅ with the Hubble Space Telescope. / Noll, Keith S.; Stephens, Denise C.; Grundy, Will M.; Millis, Robert L.; Spencer, John; Buie, Marc W.; Tegler, Stephen C; Romanishin, William; Cruikshank, Dale P.

In: Astronomical Journal, Vol. 124, No. 6 1764, 12.2002, p. 3424-3429.

Research output: Contribution to journal › Article

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abstract = "Images of the trans-Neptunian objects 1997 CQ29 and 2000 CF 105 obtained with the Hubble Space Telescope WFPC2 camera show them to be binary. The two components of 1997 CQ29 were separated in our images by 0″.20 ± 0″.03 in 2001 November and by 0″.33 ± 0″.01 in 2002 June/July. The corresponding minimum physical distances are 6100 and 10, 200 km. The companion to 2000 CF105 was 0″.78 ± 0″.03 from the primary, at least 23, 400 km. Six other objects in the trans-Neptunian region, including Pluto and its moon Charon, are known to be binaries; 1997 CQ29 and 2000 CF 105 are the seventh and eighth known pair. Binarity appears to be a not uncommon characteristic in this region of the solar system, with detectable companions present in 4% ± 2% of the objects we have examined.",

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10.1086/344762