THE NEOWISE-DISCOVERED COMET POPULATION AND THE CO + CO2 PRODUCTION RATES

被引：49

作者：

Bauer, James M. ^{[1
,2
]}

Stevenson, Rachel ^{[1
]}

Kramer, Emily ^{[1
]}

Mainzer, A. K. ^{[1
]}

Grav, Tommy ^{[3
]}

Masiero, Joseph R. ^{[1
]}

Fernandez, Yan R. ^{[4
]}

Cutri, Roc M. ^{[2
]}

Dailey, John W. ^{[2
]}

Masci, Frank J. ^{[2
]}

Meech, Karen J. ^{[5
,6
]}

Walker, Russel ^{[7
]}

Lisse, C. M. ^{[8
]}

Weissman, Paul R. ^{[1
]}

Nugent, Carrie R. ^{[1
]}

Sonnett, Sarah ^{[1
]}

Blair, Nathan ^{[2
]}

Lucas, Andrew ^{[2
]}

McMillan, Robert S. ^{[9
]}

Wright, Edward L. ^{[10
]}

机构：

[1] CALTECH, Jet Prop Lab, Pasadena, CA 91109 USA

[2] CALTECH, Infrared Proc & Anal Ctr, Pasadena, CA 91125 USA

[3] Planetary Sci Inst, Tucson, AZ 85719 USA

[4] Univ Cent Florida, Dept Phys, Orlando, FL 32816 USA

[5] Univ Hawaii, Inst Astron, Manoa, HI 96822 USA

[6] Univ Hawaii, NASA Astrobiol Inst, Inst Astron, Manoa, HI 96822 USA

[7] Monterey Inst Res Astron, Marina, CA 93933 USA

[8] Johns Hopkins Univ, Appl Phys Lab, Laurel, MD 20723 USA

[9] Univ Arizona, Lunar & Planetary Lab, Tucson, AZ 85721 USA

[10] Univ Calif Los Angeles, Dept Phys & Astron, Los Angeles, CA 90095 USA

来源：

ASTROPHYSICAL JOURNAL | 2015年 / 814卷 / 02期

基金：

美国国家航空航天局;

关键词：

comets: general; infrared: planetary systems; THERMAL-MODEL CALIBRATION; INFRARED-SURVEY-EXPLORER; WISE/NEOWISE OBSERVATIONS; PHYSICAL-PROPERTIES; NUCLEUS; ASTEROIDS; ORIGIN;

D O I：

10.1088/0004-637X/814/2/85

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

The 163 comets observed during the WISE/NEOWISE prime mission represent the largest infrared survey to date of comets, providing constraints on dust, nucleus size, and CO + CO2 production. We present detailed analyses of the WISE/NEOWISE comet discoveries, and discuss observations of the active comets showing 4.6 mu m band excess. We find a possible relation between dust and CO + CO2 production, as well as possible differences in the sizes of long and short period comet nuclei.

引用

页数：24

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