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Optical Night Sky Brightness Measurements from the Stratosphere

Gill, Ajay ; Benton, Steven J. ; Brown, Anthony M. ; Clark, Paul ; Damaren, Christopher J. ; Eifler, Tim ; Fraisse, Aurelien A. ; Galloway, Mathew N. ; Hartley, John W. ; Holder, Bradley ; Huff, Eric M. ; Jauzac, Mathilde ; Jones, William C. ; Lagattuta, David ; Leung, Jason S.-Y. ; Li, Lun ; Luu, Thuy Vy T. ; Massey, Richard J. ; McCleary, Jacqueline ; Mullaney, James ; Nagy, Johanna M. ; Netterfield, C. Barth ; Redmond, Susan ; Rhodes, Jason D. ; Romualdez, L. Javier ; Schmoll, Jürgen ; Shaaban, Mohamed M. ; Sirks, Ellen ; Sivanandam, Suresh ; Tam, Sut-Ieng

The Astronomical journal, 2020-12, Vol.160 (6), p.266 [Revista revisada por pares]

Madison: The American Astronomical Society

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Título:
Optical Night Sky Brightness Measurements from the Stratosphere
Autor: Gill, Ajay ; Benton, Steven J. ; Brown, Anthony M. ; Clark, Paul ; Damaren, Christopher J. ; Eifler, Tim ; Fraisse, Aurelien A. ; Galloway, Mathew N. ; Hartley, John W. ; Holder, Bradley ; Huff, Eric M. ; Jauzac, Mathilde ; Jones, William C. ; Lagattuta, David ; Leung, Jason S.-Y. ; Li, Lun ; Luu, Thuy Vy T. ; Massey, Richard J. ; McCleary, Jacqueline ; Mullaney, James ; Nagy, Johanna M. ; Netterfield, C. Barth ; Redmond, Susan ; Rhodes, Jason D. ; Romualdez, L. Javier ; Schmoll, Jürgen ; Shaaban, Mohamed M. ; Sirks, Ellen ; Sivanandam, Suresh ; Tam, Sut-Ieng
Materias: Airglow ; Astronomy ; Atmospheric absorption ; Balloon flight ; CCD photometry ; Diffuse radiation ; Gegenschein ; Ground-based observation ; High altitude balloons ; Light levels ; Mountains ; Night sky ; Night sky brightness ; Observatories ; Optical observatories ; Sea level ; Sky brightness ; Stratosphere ; Sunrise ; Superpressure balloons ; Zenith ; Zodiacal light
Es parte de: The Astronomical journal, 2020-12, Vol.160 (6), p.266
Notas: AAS27110
Laboratory Astrophysics, Instrumentation, Software, and Data
Descripción: This paper presents optical night sky brightness measurements from the stratosphere using CCD images taken with the Super-pressure Balloon-borne Imaging Telescope (SuperBIT). The data used for estimating the backgrounds were obtained during three commissioning flights in 2016, 2018, and 2019 at altitudes ranging from 28 to 34 km above sea level. For a valid comparison of the brightness measurements from the stratosphere with measurements from mountain-top ground-based observatories (taken at zenith on the darkest moonless night at high Galactic and high ecliptic latitudes), the stratospheric brightness levels were zodiacal light and diffuse Galactic light subtracted, and the airglow brightness was projected to zenith. The stratospheric brightness was measured around 5.5 hr, 3 hr, and 2 hr before the local sunrise time in 2016, 2018, and 2019, respectively. The B, V, R, and I brightness levels in 2016 were 2.7, 1.0, 1.1, and 0.6 mag arcsec−2 darker than the darkest ground-based measurements. The B, V, and R brightness levels in 2018 were 1.3, 1.0, and 1.3 mag arcsec−2 darker than the darkest ground-based measurements. The U and I brightness levels in 2019 were 0.1 mag arcsec−2 brighter than the darkest ground-based measurements, whereas the B and V brightness levels were 0.8 and 0.6 mag arcsec−2 darker than the darkest ground-based measurements. The lower sky brightness levels, stable photometry, and lower atmospheric absorption make stratospheric observations from a balloon-borne platform a unique tool for astronomy. We plan to continue this work in a future midlatitude long duration balloon flight with SuperBIT.
Editor: Madison: The American Astronomical Society
Idioma: Inglés

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Optical Night Sky Brightness Measurements from the Stratosphere

Madison: The American Astronomical Society

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