In-Flight Calibration and Performance of the OSIRIS-REx Touch And Go Camera System (TAGCAMS)

被引：25

作者：

Bos, B. J. ^{[1
]}

Nelson, D. S. ^{[2
]}

Pelgrift, J. Y. ^{[2
]}

Liounis, A. J. ^{[1
]}

Doelling, D. ^{[3
]}

Norman, C. D. ^{[4
]}

Olds, R. D. ^{[4
]}

May, C. W. ^{[4
]}

Witherspoon, R. ^{[4
]}

Church, E. ^{[4
]}

Huish, D. ^{[4
]}

Adam, C. D. ^{[2
]}

Sahr, E. ^{[2
]}

Kidd, J. ^{[5
]}

Drozd, K. ^{[5
]}

Owen, W. M. ^{[6
]}

Moreau, M. C. ^{[1
]}

Seals, L. T. ^{[1
]}

Butt, J. ^{[1
]}

LeDuc, D. ^{[1
]}

Alkiek, K. ^{[1
]}

Chevres-Fernandez, L. R. ^{[1
]}

Gordon, K. E. ^{[1
]}

Khlopenkov, K. ^{[7
]}

Haney, C. ^{[7
]}

Bhatt, R. ^{[7
]}

Hikes, J. ^{[1
]}

Wolfram, A. ^{[1
]}

Caplinger, M. ^{[8
]}

Ravine, M. A. ^{[8
]}

Getzandanner, K. ^{[1
]}

Bartels, A. ^{[1
]}

Lauretta, D. S. ^{[5
]}

机构：

[1] NASA, Goddard Space Flight Ctr, Greenbelt, MD 20771 USA

[2] KinetX Inc, Simi Valley, CA USA

[3] NASA, Langley Res Ctr, Hampton, VA 23665 USA

[4] Lockheed Martin Space, Littleton, CO USA

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

[6] Jet Prop Lab, Pasadena, CA USA

[7] Sci Syst & Applicat Inc, Hampton, VA USA

[8] Malin Space Sci Syst, San Diego, CA USA

来源：

SPACE SCIENCE REVIEWS | 2020年 / 216卷 / 04期

关键词：

Bennu; Cameras; Spacecraft; Remote sensing; Instruments; Imaging systems; Planetary missions; Asteroid; Sample return;

D O I：

10.1007/s11214-020-00682-x

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

The Touch And Go Camera System (TAGCAMS) is a three-camera-head instrument onboard NASA's OSIRIS-REx asteroid sample return mission spacecraft. The purpose of TAGCAMS is to facilitate navigation to the target asteroid, (101955) Bennu; confirm acquisition of the asteroid sample; document asteroid sample stowage; and provide supplementary imaging for OSIRIS-REx science investigations. During the almost two-year OSIRIS-REx outbound cruise phase we pursued nine TAGCAMS imaging campaigns to check, calibrate and characterize the camera system's performance before asteroid arrival and proximity operations began in late 2018. The TAGCAMS in-flight calibration dataset provides the relevant information to enable the three cameras to complete their primary observation goals during asteroid operations. The key performance parameters that we investigated in flight included: linearity, responsivity (both point source and extended body), dark current, hot pixels, pointing, image geometry transformation, image quality and stray light. Analyses of the in-flight performance either confirmed the continued applicability of the TAGCAMS ground test results or substantially improved upon the ground test knowledge. In addition, the TAGCAMS calibration observations identified the source of a spacecraft outgassing feature that guided successful remediation efforts prior to asteroid arrival.

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