Water Ice on Nereid

Robert H. Brown; Dale P. Cruikshank; Yvonne Pendleton; Glenn J. Veeder

doi:10.1006/icar.1999.6109

Water Ice on Nereid

Robert H. Brown, Dale P. Cruikshank, Yvonne Pendleton, Glenn J. Veeder

Lunar and Planetary Lab

Research output: Contribution to journal › Article › peer-review

7 Scopus citations

Abstract

A near-infrared spectrum of Neptune's satellite Nereid was obtained at the Keck Observatory on 1997 May 1. The spectrum shows two absorptions near 1.54 and 2.03 μm and is well matched by a synthetic spectrum of an intimate mix of low-temperature, particulate water ice and dark, blue-colored material. Comparisons of Nereid's spectrum with those of other objects such as the Centaurs 1997 CU₂₆ and 5145 Pholus, and Neptune's largest regular satellite Proteus, admit the possibility that Nereid is a primordial satellite of Neptune (and perhaps its only remaining one) rather than a captured object, but more data are needed to rule out one scenario or the other.

Original language	English (US)
Pages (from-to)	374-378
Number of pages	5
Journal	Icarus
Volume	139
Issue number	2
DOIs	https://doi.org/10.1006/icar.1999.6109
State	Published - Jun 1999

Keywords

Icy
Nereid
Spectroscopy
Surface composition
Surfaces

ASJC Scopus subject areas

Astronomy and Astrophysics
Space and Planetary Science

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10.1006/icar.1999.6109

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title = "Water Ice on Nereid",

abstract = "A near-infrared spectrum of Neptune's satellite Nereid was obtained at the Keck Observatory on 1997 May 1. The spectrum shows two absorptions near 1.54 and 2.03 μm and is well matched by a synthetic spectrum of an intimate mix of low-temperature, particulate water ice and dark, blue-colored material. Comparisons of Nereid's spectrum with those of other objects such as the Centaurs 1997 CU26 and 5145 Pholus, and Neptune's largest regular satellite Proteus, admit the possibility that Nereid is a primordial satellite of Neptune (and perhaps its only remaining one) rather than a captured object, but more data are needed to rule out one scenario or the other.",

keywords = "Icy, Nereid, Spectroscopy, Surface composition, Surfaces",

author = "Brown, {Robert H.} and Cruikshank, {Dale P.} and Yvonne Pendleton and Veeder, {Glenn J.}",

note = "Funding Information: The W. M. Keck Observatory is operated as a scientific partnership between the California Institute of Technology and the University of California. It was made possible by the generous financial support of the W. M. Keck Foundation. The authors are happy to acknowledge the assistance of Rachel Mastrapa at the telescope, and the financial support of the National Aeronautics and Space Administration through the grants and contracts that support the authors{\textquoteright} work.",

year = "1999",

month = jun,

doi = "10.1006/icar.1999.6109",

language = "English (US)",

volume = "139",

pages = "374--378",

journal = "Icarus",

issn = "0019-1035",

publisher = "Academic Press Inc.",

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TY - JOUR

T1 - Water Ice on Nereid

AU - Brown, Robert H.

AU - Cruikshank, Dale P.

AU - Pendleton, Yvonne

AU - Veeder, Glenn J.

N1 - Funding Information: The W. M. Keck Observatory is operated as a scientific partnership between the California Institute of Technology and the University of California. It was made possible by the generous financial support of the W. M. Keck Foundation. The authors are happy to acknowledge the assistance of Rachel Mastrapa at the telescope, and the financial support of the National Aeronautics and Space Administration through the grants and contracts that support the authors’ work.

PY - 1999/6

Y1 - 1999/6

N2 - A near-infrared spectrum of Neptune's satellite Nereid was obtained at the Keck Observatory on 1997 May 1. The spectrum shows two absorptions near 1.54 and 2.03 μm and is well matched by a synthetic spectrum of an intimate mix of low-temperature, particulate water ice and dark, blue-colored material. Comparisons of Nereid's spectrum with those of other objects such as the Centaurs 1997 CU26 and 5145 Pholus, and Neptune's largest regular satellite Proteus, admit the possibility that Nereid is a primordial satellite of Neptune (and perhaps its only remaining one) rather than a captured object, but more data are needed to rule out one scenario or the other.

AB - A near-infrared spectrum of Neptune's satellite Nereid was obtained at the Keck Observatory on 1997 May 1. The spectrum shows two absorptions near 1.54 and 2.03 μm and is well matched by a synthetic spectrum of an intimate mix of low-temperature, particulate water ice and dark, blue-colored material. Comparisons of Nereid's spectrum with those of other objects such as the Centaurs 1997 CU26 and 5145 Pholus, and Neptune's largest regular satellite Proteus, admit the possibility that Nereid is a primordial satellite of Neptune (and perhaps its only remaining one) rather than a captured object, but more data are needed to rule out one scenario or the other.

KW - Icy

KW - Nereid

KW - Spectroscopy

KW - Surface composition

KW - Surfaces

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U2 - 10.1006/icar.1999.6109

DO - 10.1006/icar.1999.6109

M3 - Article

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SN - 0019-1035

VL - 139

SP - 374

EP - 378

JO - Icarus

JF - Icarus

IS - 2

ER -

Water Ice on Nereid

Abstract

Keywords

ASJC Scopus subject areas

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