Operation of the near infrared sky monitor at the South Pole

The near infrared sky spectral brightness has been measured at the South Pole with the Near Infrared Sky Monitor (NISM) throughout the 2001 winter season. The sky is found to be typically more than an order of magnitude darker than at temperate latitude sites, consistent with previous South Pole obs...

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Bibliographic Details
Published in:Publications of the Astronomical Society of Australia
Main Authors: Lawrence, Jonathan, Ashley, Michael, Burton, Michael, Calisse, Paolo, Storey, John, Phillips, Andre, Everett, Jon, Pernic, R
Format: Article in Journal/Newspaper
Language:English
Published: 2002
Subjects:
Antarctic
South Pole
The Antarctic
Antarc*
South pole
Online Access:http://hdl.handle.net/1959.4/38982
https://doi.org/10.1071/AS02020
Description
Summary:The near infrared sky spectral brightness has been measured at the South Pole with the Near Infrared Sky Monitor (NISM) throughout the 2001 winter season. The sky is found to be typically more than an order of magnitude darker than at temperate latitude sites, consistent with previous South Pole observations. Reliable robotic operation of the NISM, a low power, autonomous instrument, has been demonstrated throughout the Antarctic winter. Data analysis yields a median winter value of the 2.4 µm (Kdark) sky spectral brightness of ~120 µJy arcsec–2 and an average of 210 ± 80 µJy arcsec–2. The 75%, 50%, and 25% quartile values are 270 ± 100, 155 ± 60, and 80 ± 30 µJy arcsec–2, respectively.

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