Hostname: page-component-78c5997874-g7gxr Total loading time: 0 Render date: 2024-11-02T21:36:22.861Z Has data issue: false hasContentIssue false
  • English
  • Français

The visual and infrared flux calibrations

Published online by Cambridge University Press:  25 May 2016

C. Megessier
C. Megessier*
Affiliation:
Observatoire de Paris-Meudon F-92195 Meudon Cedex France

Abstract

Core share and HTML view are not available for this content. However, as you have access to this content, a full PDF is available via the ‘Save PDF’ action button.

We present a critical review of the available visible and near infrared flux calibrations. In the visible, the accuracy and the good consistency of three independent determinations of Vega monochromatic flux allow one to recommend with confidence f5556-Vega = 3.46 10−11Wm−2nm−1 within 0.7%. In the near infrared, the possible flux excess of Vega, as compared to that derived from the atmosphere models fitting the visible, does not allow such a good accuracy. The agreement between the calibrations, either from a comparison of Vega to blackbodies or from solar analog stars, would question the calibrations relying on models. More work is necessary to conclude with confidence and then to reduce the uncertainty on the near infrared calibrations.

Type
Stellar Flux Distributions
Information
Symposium - International Astronomical Union , Volume 189: Fundamental Stellar Properties: The Interaction Between Observation and Theory , 1997 , pp. 61 - 66
Copyright
Copyright © Kluwer 1997 

References

Bessell, M.S., Brett, M.J., 1988, PASP 100, 1134 CrossRefGoogle Scholar
Blackwell, D.E., Lynas-Gray, A.E., 1994, A&AS 282, 899 Google Scholar
Blackwell, D.E., Leggett, S.K., Petford, A.D., Mountain, C.M., Selby, M.J., 1983, MNRAS 205, 897 CrossRefGoogle Scholar
Booth, A.J., Selby, M.J., Blackwell, D.E., Petford, A.D., Arribas, S., 1989, A&AS 218, 167 Google Scholar
Campins, H., Rieke, G.H., Lebofsky, M.J., 1985, AJ 90, 896 CrossRefGoogle Scholar
Castelli, F. and Kurucz, R., 1993, Models for Vega. In: Dworetsky, M.M., Castelli, F., Faraggiana, R. (eds) Proc IAU Coll. 138, PASPC 44, p. 496 Google Scholar
Dreiling, D.E., Bell, R.A., 1980, ApJ 241, 736 CrossRefGoogle Scholar
Hayes, D.S., 1979, A new absolute calibration of infrared photometry. In: Philip, Davis (eds) Problems of Calibration of Multicolor Photometric Systems, p. 297 Google Scholar
Knyazeva, L.N., Kharitonov, A.V., 1990, SvA 34, 626 Google Scholar
Mégessier, C., 1995, A&AS 296, 771 Google Scholar
Mégessier, C., 1997, A&AS (submitted) Google Scholar
Mountain, C.M., Leggett, S.K., Selby, M.J., Blackwell, D.E., Petford, A.D., 1985, A&A 151, 399 Google Scholar
Neckel, H., Labs, D., 1981, Solar Phys., 74, 231 Google Scholar
Oke, J.B., Schild, R.E., 1970, ApJ 161, 1015 CrossRefGoogle Scholar
Petford, A.D., Leggett, S.K., Blackwell, D.E., Booth, A.J., Mountain, C.M., Selby, M.J., 1985, A&A 146, 195 Google Scholar
Selby, M.J., Mountain, C.M., Blackwell, D.E., Petford, A.D., Leggett, S.K., 1983, MNRAS 203, 795 CrossRefGoogle Scholar
Terez, E.I. 1985, Absolute calibration of energy distribution in the Vega spectrum. In: Morozhenko (Ed) Photometric and polarimetric investigations of celestial bodies, Akademia Nauk Ukrainskaya SSR, Kiev 1985, p.55 Google Scholar
Tüg, H., White, N.M., Lockwood, G.W., 1977, A&A 61, 679 Google Scholar
Wamsteker, W., 1981, A&A 97, 329 Google Scholar