The suspicion of Elste (1990), that telescopic stray light together with imperfect collimation of telescope and spectrograph could be a possible explanation for the systematic differences and variations found by Neckel and Labs (1987) in many limb-darkening scans, proves to be unfounded for the foll
β¦ LIBER β¦
Multiplier hysteresis and image motion errors in limb darkening scans obtained in April 1981 (and later)
β Scribed by Heinz Neckel; Dietrich Labs
- Publisher
- Springer
- Year
- 1989
- Tongue
- English
- Weight
- 368 KB
- Volume
- 120
- Category
- Article
- ISSN
- 0038-0938
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In a recent paper (Neckel and Labs, 1987a) a strong claim is made for detection of surprisingly large variations in photospheric limb darkening over time-scales of minutes to hours. Some of this evidence relies on re-interpretation of our measurements carried out at Kitt Peak between 1980-1982(Petro