Standard Star

Pi 81 Cyg

BS 8335

  • General Info.

  • Finder chart

  • Text data file

  • Other Stars

    		•

    HD

    207330

    SAO

    051293

    Mag.

    4.23

    Spc.

    B3III

    RA

    21 46 47.6

    Dec

    +49 18 34



    Wavelength (Å)

    Flux (photons/cm² /Å /s)

    3200 33.8
    3225 34.1
    3250 34.1
    3275 34.3
    3300 34.1
    3325 33.4
    3350 32.9
    3375 32.4
    3400 31.9
    3425 31.5
    3450 31.3
    3475 31.1
    3500 30.9
    3525 30.7
    3550 30.4
    3575 30.0
    3600 29.7
    3625 29.5
    3650 29.5
    3675 29.4
    3700 31.4
    3725 33.8
    3750 33.2
    3775 32.5
    3800 33.8
    3825 34.8
    3850 35.6
    3875 36.1
    3900 36.9
    3925 37.6
    3950 35.2
    3975 33.0
    4000 34.2
    4025 35.3
    4050 35.2
    4075 35.4
    4100 34.5
    4125 33.3
    4150 33.9
    4175 34.4
    4200 33.9
    4225 33.3
    4250 32.8
    4275 32.2
    4300 30.4
    4325 28.6
    4350 28.7
    4375 28.9
    4400 28.0
    4425 28.3
    4450 27.7
    4475 27.1
    4500 27.0
    4525 27.0
    4550 26.5
    4575 26.1
    4600 26.0
    4625 26.0
    4650 25.8
    4675 25.6
    4700 25.4
    4725 25.2
    4750 24.9
    4775 24.8
    4800 24.5
    4825 24.0
    4850 22.9
    4875 21.7
    4900 22.2
    4925 22.6
    4950 22.5
    4975 22.4
    5000 22.9
    5025 23.5
    5050 22.4
    5075 21.4
    5100 21.5
    5125 21.5
    5150 21.3
    5175 21.0
    5200 20.7
    5225 20.4
    5250 20.1
    5275 19.8
    5300 19.6
    5325 19.5
    5350 19.3
    5375 19.2
    5400 19.0
    5425 18.9
    5450 18.9
    5475 18.7
    5500 18.6
    5525 18.5
    5550 18.3
    5575 18.1
    5600 17.9
    5625 17.7
    5650 17.5
    5675 17.4
    5700 17.2
    5725 17.2
    5750 17.1
    5775 17.1
    5800 16.9
    5825 16.7
    5850 16.6
    5875 16.6
    5900 16.5
    5925 16.5
    5950 16.4
    5975 16.3
    6000 16.2
    6025 16.0
    6050 15.8
    6075 15.6
    6100 15.3
    6125 15.1
    6150 14.9
    6175 14.7
    6200 14.6
    6225 14.4
    6250 14.2
    6275 14.0
    6300 13.9
    6325 13.8
    6350 13.6
    6375 13.4
    6400 13.3
    6425 13.1
    6450 12.9
    6475 12.7
    6500 12.4
    6525 12.2
    6550 12.1
    6575 12.1
    6600 12.2
    6625 12.4
    6650 12.3
    6675 12.2
    6700 11.9
    6725 11.7
    6750 11.5
    6775 11.4
    6800 11.3
    6825 11.1
    6850 11.1
    6875 11.0
    6900 10.9
    6925 10.8
    6950 10.6
    6975 10.4
    7000 10.2
    7025 10.1
    7050 10.1
    7075 10.0
    7100 10.0
    7125 9.92
    7150 9.82
    7175 9.67
    7200 9.51
    7225 9.45
    7250 9.36
    7275 9.28
    7300 9.23
    7325 9.17
    7350 9.08
    7375 8.66
    7400 8.53
    7425 8.38
    7450 8.32
    7475 8.23
    7500 8.12
    7525 7.98
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