Standard Star

4 Lac

BS 8541

  • General Info.

  • Finder chart

  • Text data file

  • Other Stars

    		•

    HD

    212593

    SAO

    051970

    Mag.

    4.57

    Spc.

    B9Iab

    RA

    22 24 31.0

    Dec

    +49 28 35



    Wavelength (Å)

    Flux (photons/cm² /Å /s)

    3200 11.4
    3225 11.5
    3250 11.7
    3275 11.9
    3300 12.0
    3325 12.0
    3350 12.0
    3375 12.0
    3400 12.0
    3425 12.0
    3450 12.0
    3475 11.9
    3500 11.9
    3525 11.9
    3550 12.0
    3575 12.0
    3600 12.1
    3625 12.3
    3650 12.6
    3675 12.9
    3700 14.8
    3725 16.9
    3750 16.9
    3775 16.9
    3800 17.4
    3825 17.8
    3850 18.3
    3875 18.7
    3900 18.9
    3925 19.1
    3950 18.0
    3975 16.9
    4000 18.7
    4025 20.5
    4050 19.5
    4075 18.7
    4100 18.7
    4125 18.6
    4150 18.9
    4175 19.1
    4200 19.1
    4225 19.1
    4250 18.8
    4275 18.3
    4300 18.0
    4325 17.7
    4350 17.2
    4375 16.9
    4400 16.7
    4425 17.3
    4450 17.1
    4475 16.8
    4500 16.6
    4525 16.4
    4550 16.4
    4575 16.3
    4600 16.4
    4625 16.4
    4650 16.4
    4675 16.4
    4700 16.4
    4725 16.3
    4750 16.3
    4775 16.2
    4800 16.3
    4825 16.2
    4850 15.1
    4875 14.1
    4900 14.7
    4925 15.3
    4950 15.4
    4975 15.4
    5000 15.4
    5025 15.5
    5050 15.4
    5075 15.5
    5100 15.5
    5125 15.4
    5150 15.3
    5175 15.2
    5200 15.0
    5225 14.8
    5250 14.7
    5275 14.5
    5300 14.4
    5325 14.3
    5350 14.3
    5375 14.2
    5400 14.1
    5425 14.1
    5450 14.1
    5475 14.0
    5500 13.9
    5525 13.7
    5550 13.7
    5575 13.6
    5600 13.5
    5625 13.4
    5650 13.3
    5675 13.3
    5700 13.2
    5725 13.2
    5750 13.2
    5775 13.2
    5800 13.1
    5825 13.0
    5850 13.0
    5875 13.0
    5900 13.0
    5925 13.0
    5950 13.0
    5975 13.0
    6000 12.9
    6025 12.7
    6050 12.6
    6075 12.6
    6100 12.5
    6125 12.4
    6150 12.3
    6175 12.3
    6200 12.2
    6225 12.2
    6250 12.1
    6275 12.0
    6300 12.0
    6325 12.0
    6350 11.9
    6375 11.8
    6400 11.8
    6425 11.7
    6450 11.7
    6475 11.7
    6500 11.6
    6525 11.6
    6550 11.5
    6575 11.6
    6600 11.5
    6625 11.5
    6650 11.5
    6675 11.5
    6700 11.5
    6725 11.5
    6750 11.5
    6775 11.5
    6800 11.5
    6825 11.4
    6850 11.5
    6875 11.5
    6900 11.5
    6925 11.5
    6950 11.4
    6975 11.2
    7000 11.2
    7025 11.2
    7050 11.1
    7075 11.2
    7100 11.2
    7125 11.2
    7150 11.2
    7175 11.1
    7200 10.9
    7225 10.9
    7250 10.9
    7275 10.9
    7300 10.8
    7325 10.8
    7350 10.7
    7375 10.3
    7400 10.2
    7425 10.0
    7450 10.0
    7475 9.94
    7500 9.84
    7525 9.73
    7550 9.68
    7575 9.38
    7600 9.37
    7625 9.33
    7650 9.26
    7675 9.16
    7700 9.10
    7725 9.03
    7750 8.98
    7775 8.92
    7800 8.89
    7825 8.84
    7850 8.76
    7875 8.69
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