Absolute stellar photometry on moderate-resolution FPA images
Metrologia
By: T.C. Stone
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Abstract
An extensive database of star (and Moon) images has been collected by the ground-based RObotic Lunar Observatory (ROLO) as part of the US Geological Survey program for lunar calibration. The stellar data are used to derive nightly atmospheric corrections for the observations from extinction measurements, and absolute calibration of the ROLO sensors is based on observations of Vega and published reference flux and spectrum data. The ROLO telescopes were designed for imaging the Moon at moderate resolution, thus imposing some limitations for the stellar photometry. Attaining accurate stellar photometry with the ROLO image data has required development of specialized processing techniques. A key consideration is consistency in discriminating the star core signal from the off-axis point spread function. The analysis and processing methods applied to the ROLO stellar image database are described. ?? 2009 BIPM and IOP Publishing Ltd.
Suggested Citation
Stone, T., 2009, Absolute stellar photometry on moderate-resolution FPA images: Metrologia, v. 46, no. 4, https://doi.org/10.1088/0026-1394/46/4/S17.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Absolute stellar photometry on moderate-resolution FPA images |
| Series title | Metrologia |
| DOI | 10.1088/0026-1394/46/4/S17 |
| Volume | 46 |
| Issue | 4 |
| Publication Date | June 02, 2009 |
| Year Published | 2009 |
| Language | English |
| Larger Work Type | Article |
| Larger Work Subtype | Journal Article |
| Larger Work Title | Metrologia |