Standard Star

31 Per

BS 0989

  • General Info.

  • Finder chart

  • Text data file

  • Other Stars
  • HD

    020418

    SAO

    038714

    Mag.

    5.03

    Spc.

    B5V

    RA

    03 19 07.6

    Dec

    +50 05 42



    Wavelength (Å)

    Flux (photons/cm² /Å /s)

    3200 14.5
    3225 14.6
    3250 14.6
    3275 14.7
    3300 14.7
    3325 14.4
    3350 14.2
    3375 14.0
    3400 13.8
    3425 13.6
    3450 13.4
    3475 13.3
    3500 13.2
    3525 13.0
    3550 13.0
    3575 12.9
    3600 12.8
    3625 12.7
    3650 12.8
    3675 12.7
    3700 13.4
    3725 14.0
    3750 13.8
    3775 13.5
    3800 14.2
    3825 14.8
    3850 15.4
    3875 15.9
    3900 16.1
    3925 16.3
    3950 16.0
    3975 15.8
    4000 16.5
    4025 17.3
    4050 16.8
    4075 16.4
    4100 16.5
    4125 16.5
    4150 16.9
    4175 17.2
    4200 16.9
    4225 16.5
    4250 16.4
    4275 16.1
    4300 15.1
    4325 14.1
    4350 14.6
    4375 15.1
    4400 14.6
    4425 14.6
    4450 14.4
    4475 14.2
    4500 14.0
    4525 13.7
    4550 13.7
    4575 13.6
    4600 13.4
    4625 13.3
    4650 13.2
    4675 13.2
    4700 13.1
    4725 13.0
    4750 12.9
    4775 12.8
    4800 12.5
    4825 12.3
    4850 11.7
    4875 11.1
    4900 11.4
    4925 11.6
    4950 11.5
    4975 11.4
    5000 11.3
    5025 11.2
    5050 11.2
    5075 11.2
    5100 11.1
    5125 11.0
    5150 10.9
    5175 10.9
    5200 10.7
    5225 10.6
    5250 10.5
    5275 10.4
    5300 10.3
    5325 10.3
    5350 10.3
    5375 10.2
    5400 10.1
    5425 10.1
    5450 10.1
    5475 10.0
    5500 9.98
    5525 9.91
    5550 9.86
    5575 9.80
    5600 9.68
    5625 9.59
    5650 9.55
    5675 9.50
    5700 9.43
    5725 9.41
    5750 9.36
    5775 9.34
    5800 9.23
    5825 9.14
    5850 9.10
    5875 9.09
    5900 9.05
    5925 9.00
    5950 9.02
    5975 9.00
    6000 8.87
    6025 8.76
    6050 8.66
    6075 8.58
    6100 8.42
    6125 8.26
    6150 8.18
    6175 8.12
    6200 8.08
    6225 8.05
    6250 7.94
    6275 7.84
    6300 7.78
    6325 7.71
    6350 7.63
    6375 7.55
    6400 7.48
    6425 7.42
    6450 7.38
    6475 7.34
    6500 7.22
    6525 7.13
    6550 7.06
    6575 6.98
    6600 6.94
    6625 6.93
    6650 6.88
    6675 6.83
    6700 6.77
    6725 6.74
    6750 6.70
    6775 6.68
    6800 6.64
    6825 6.62
    6850 6.60
    6875 6.58
    6900 6.57
    6925 6.53
    6950 6.45
    6975 6.40
    7000 6.34
    7025 6.27
    7050 6.25
    7075 6.24
    7100 6.24
    7125 6.20
    7150 6.15
    7175 6.07
    7200 6.01
    7225 6.02
    7250 5.98
    7275 5.96
    7300 5.90
    7325 5.85
    7350 5.81
    7375 5.54
    7400 5.47
    7425 5.39
    7450 5.39
    7475 5.40
    7500 5.34
    7525 5.27
    7550 5.25
    7575 5.12
    7600 5.09
    7625 5.07
    7650 5.00
    7675 4.95
    7700 4.89
    7725 4.82
    7750 4.84
    7775 4.86
    7800 4.79
    7825 4.73
    7850 4.70
    7875 4.68
    7900 4.64
    7925 4.59
    7950 4.53
    7975 4.46
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