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Magnitude/Flux Density Converter: Point Sources

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Magnitude/Flux Density Converter

References:

  • 2MASS system
    Passband Effective wavelength
    (microns)
    Zeropoint
    (Jy)
    J 1.235 1594
    H 1.662 1024
    Ks 2.159 666.7
  • Johnson system
    Passband Effective wavelength
    (microns)
    Zeropoint
    (Jy)
    U 0.36 1823
    B 0.44 4130
    V 0.55 3781
    R 0.71 2941
    I 0.97 2635
    J 1.25 1603
    H 1.60 1075
    K 2.22 667
    L 3.54 288
    M 4.80 170
    N 10.6 36
    O 21.0 9.4
    • Allen's Astrophysical Quantities, Fourth Edition, 2001, Arthur N. Cox (ed.), Springer-Verlag
    • Campins, Rieke, & Lebofsky 1985, AJ, 90, 896
    • Rieke, Lebofsky & Low 1985, AJ, 90, 900
  • UKIRT:
    Passband Effective wavelength
    (microns)
    Zeropoint
    (Jy)
    V 0.5556 3540
    I 0.9 2250
    J 1.25 1600
    H 1.65 1020
    K 2.20 657
    L 3.45 290
    L' 3.80 252
    M 4.8 163
    N 10.1 39.8
    Q 20.0 10.4
  • MIRLIN:
    Passband Effective wavelength
    (microns)
    Zeropoint
    (Jy)
    N 10.7933.4
    Q-s17.9012.4
    N0 7.9160.9
    N1 8.8149.4
    N2 9.6941.1
    N3 10.2736.7
    N4 11.7028.5
    N5 12.4925.1
    Q0 17.2013.4
    Q1 17.9312.3
    Q2 18.6411.4
    Q3 20.81 9.2
    Q5 24.48 6.7
    K 2.2 650.0
    M 4.68 165.0
    Q4 22.81 7.7