The ASTRA Spectrophotometer: A July 2004 Progress Report

Pazder, JS; Younger, PF; Boyd, L.; Epand, D.; Adelman, SJ; Gulliver, AF; Smalley, B.

Abstract

A cross-dispersed spectrophotometer with CCD detector and its automated 0.5-m telescope at the Fairborn Observatory, now under construction, should begin observations in 6 to 9 months. The Citadel ASTRA Telescope will be able to observe Vega the primary standard, make rapid measurements of the naked-eye stars, use 10 minutes per hour to obtain photometric measurements of the nightly extinction, and obtain high quality observations of V=10.5 mag. stars in an hour. The approximate wavelength range is 3300-9000A with a resolution of 14A in first and 7A in second order. Filter photometric magnitudes and indices will be calibrated in part for use as quality checks. Science observations for major projects such as comparisons with model atmospheres codes and for exploratory investigations should also begin in the first year. The ASTRA team realizes to deal with this potential data flood that they will need help to make the best scientific uses of the data. Thus they are interested in discussing possible collaborations. In less than a year of normal observing, all isolated stars in the Bright Star Catalog that can be observed can have their fluxes well measured. Some A Star related applications are discussed.

Citation

Pazder, J., J. Adelman, S., Younger, P., F. Gulliver, A., Boyd, L., Epand, D., S. Pazder, J., Adelman, S., F. Younger, P., Gulliver, A., & Smalley, B. (2004, July). The ASTRA Spectrophotometer: A July 2004 Progress Report. Presented at IAU Symposium 224 – The A-Star Puzzle, Poprad, Slovakia

• Presentation Conference Type: Conference Paper (published)
• Conference Name: IAU Symposium 224 – The A-Star Puzzle
• Start Date: Jul 8, 2004
• End Date: Jul 13, 2004
• Online Publication Date: Mar 2, 2005
• Publication Date: Mar 2, 2005
• Publicly Available Date: May 26, 2023
• Journal: Proceedings of the International Astronomical Union
• Print ISSN: 1743-9213
• Electronic ISSN: 1743-9221
• Publisher: Cambridge University Press
• Peer Reviewed: Peer Reviewed
• Volume: 2004
• Issue: IAUS224
• Pages: 911 - 920
• ISBN: 0-521-85018-5
• DOI: https://doi.org/10.1017/S1743921305009968
• Keywords: Astrophysics
• Public URL: https://keele-repository.worktribe.com/output/404528
• Publisher URL: https://www.cambridge.org/core/journals/proceedings-of-the-international-astronomical-union/article/astra-spectrophotometer-a-july-2004-progress-report/AFA5727CC0F183B566BBDE4BD71D23F9