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J/A+AS/114/247      Limb-darkening coefficients for R I J H K  (Claret+, 1995)
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Linear and non-linear limb-darkening coefficients for the photometric
bands R I J H K
    Claret A., Diaz-Cordoves J., Gimenez A.
   <Astron. Astrophys. Suppl. Ser. 114, 247 (1995)>
   =1995A&AS..114..247C      (SIMBAD/NED BibCode)
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ADC_Keywords: Models, atmosphere ; Photometry, infrared
Keywords: stellar atmospheres - limb-darkening - eclipsing binaries -
          infrared

Abstract:
    We have computed limb-darkening coefficients for five commonly used
    near infrared photometric bands, namely R, I, J, H, and K, using the
    stellar atmosphere models by Kurucz (1993). Since the behaviour of the
    specific intensities is very dependent on the range of effective
    temperatures considered, we have adopted three analytical
    approximations to the limb darkening: linear, quadratic and square
    root. The least-squares method has been adopted for the fit of the
    limb-darkening coefficients to the model atmospheres.

File Summary:
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  FileName      Lrecl  Records   Explanations
--------------------------------------------------------------------------------
ReadMe             80        .   This file
table1             50      409   Linear (u) limb-darkening coefficients
table2             83      409   Quadratic (a, b) limb-darkening coefficients
table3             83      409   Square root (c, d) limb-darkening coefficients
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Byte-by-byte Description of file: table1
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   Bytes Format  Units   Label    Explanations
--------------------------------------------------------------------------------
   3-  6  F4.2   cm/s+2  logg     Surface gravity
   8- 12  I5     K       Teff     Effective temperature
  18- 22  F5.3   ---     u(R)     Linear Limb-darkening coefficient (Filter R)
  25- 29  F5.3   ---     u(I)     Linear Limb-darkening coefficient (Filter I)
  32- 36  F5.3   ---     u(J)     Linear Limb-darkening coefficient (Filter J)
  39- 43  F5.3   ---     u(H)     Linear Limb-darkening coefficient (Filter H)
  46- 50  F5.3   ---     u(K)     Linear Limb-darkening coefficient (Filter K)
--------------------------------------------------------------------------------

Byte-by-byte Description of file: table2
--------------------------------------------------------------------------------
   Bytes Format  Units   Label    Explanations
--------------------------------------------------------------------------------
   3-  6  F4.2   cm/s+2  logg     Surface gravity
   8- 12  I5     K       Teff     Effective temperature
  16- 20  F5.3   ---     a(R)     Quadratic Limb-darkening coeff. (a) (Filter R)
  22- 27  F6.3   ---     b(R)     Quadratic Limb-darkening coeff. (b) (Filter R)
  30- 34  F5.3   ---     a(I)     Quadratic Limb-darkening coeff. (a) (Filter I)
  37- 41  F5.3   ---     b(I)     Quadratic Limb-darkening coeff. (b) (Filter I)
  44- 48  F5.3   ---     a(J)     Quadratic Limb-darkening coeff. (a) (Filter J)
  51- 55  F5.3   ---     b(J)     Quadratic Limb-darkening coeff. (b) (Filter J)
  57- 62  F6.3   ---     a(H)     Quadratic Limb-darkening coeff. (a) (Filter H)
  65- 69  F5.3   ---     b(H)     Quadratic Limb-darkening coeff. (b) (Filter H)
  71- 76  F6.3   ---     a(K)     Quadratic Limb-darkening coeff. (a) (Filter K)
  79- 83  F5.3   ---     b(K)     Quadratic Limb-darkening coeff. (b) (Filter K)
--------------------------------------------------------------------------------

Byte-by-byte Description of file: table3
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   Bytes Format  Units   Label    Explanations
--------------------------------------------------------------------------------
   3-  6  F4.2   cm/s+2  logg     Surface gravity
   8- 12  I5     K       Teff     Effective temperature
  15- 20  F6.3   ---     c(R)     Square root Limb-darkening coeff.
                                  (c) (Filter R)
  22- 27  F6.3   ---     d(R)     Square root Limb-darkening coeff.
                                  (d) (Filter R)
  29- 34  F6.3   ---     c(I)     Square root Limb-darkening coeff.
                                  (c) (Filter I)
  37- 41  F5.3   ---     d(I)     Square root Limb-darkening coeff.
                                  (d) (Filter I)
  43- 48  F6.3   ---     c(J)     Square root Limb-darkening coeff.
                                  (c) (Filter J)
  51- 55  F5.3   ---     d(J)     Square root Limb-darkening coeff.
                                  (d) (Filter J)
  57- 62  F6.3   ---     c(H)     Square root Limb-darkening coeff.
                                  (c) (Filter H)
  65- 69  F5.3   ---     d(H)     Square root Limb-darkening coeff.
                                  (d) (Filter H)
  71- 76  F6.3   ---     c(K)     Square root Limb-darkening coeff.
                                  (c) (Filter K)
  79- 83  F5.3   ---     d(K)     Square root Limb-darkening coeff.
                                  (d) (Filter K)
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References:
  Kurucz, R.L. 1993 in "Light Curve Modelling of Eclipsing Binaries Stars,
    ed. E. F. Milone (Springer-Verlag, New York), 93

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(End)                                           Simona Mei [CDS]   15-Sep-1995