Zirin, H. (1974) Stellar Spectroscopy at 1.1μ. In: Highlights of Astronomy. International Astronomical Union (IAUH). No.3. Springer Netherlands , Dordrecht, pp. 357-359. ISBN 9789401022132. https://resolver.caltech.edu/CaltechAUTHORS:20201013-155619920
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Abstract
This is a progress report on the program of stellar spectroscopy at 1.1 μ reported on by Vaughan and Zirin (1968) and by Zirin (1971). About 450 plates of about 200 stars have been obtained, using a magnetically focused RCA image converter with the 144" and 72" Palomar coudé cameras, giving dispersion of 8 and 17 Å mm⁻¹ respectively. Most of the plates were taken at the latter dispersion and cover about 300 Å. In good seeing a star with J = 3 is obtained in about 90 min. A tube with a fibre optic back-plate is now in use. Cooling such a tube is difficult because the cathode is held at high voltage. By completely insulating the cold box, we may use dry ice cooling, and 2 h exposures, reaching J = 5, may be made with this ITT tube.
| Item Type: | Book Section | ||||||
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| Additional Information: | © IAU 1974. This research was supported by NASA under NGR 05-002-034. | ||||||
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| Subject Keywords: | Main Sequence Star; Double Star; Giant Star; Late Type Star; Strong Emission Line | ||||||
| Series Name: | International Astronomical Union (IAUH) | ||||||
| Issue or Number: | 3 | ||||||
| DOI: | 10.1007/978-94-010-2211-8_25 | ||||||
| Record Number: | CaltechAUTHORS:20201013-155619920 | ||||||
| Persistent URL: | https://resolver.caltech.edu/CaltechAUTHORS:20201013-155619920 | ||||||
| Usage Policy: | No commercial reproduction, distribution, display or performance rights in this work are provided. | ||||||
| ID Code: | 106051 | ||||||
| Collection: | CaltechAUTHORS | ||||||
| Deposited By: | George Porter | ||||||
| Deposited On: | 14 Oct 2020 22:24 | ||||||
| Last Modified: | 16 Nov 2021 18:49 |
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