Standard Star

Eta 7 Hya

BS 3454

  • General Info.

  • Finder chart

  • Text data file

  • Other Stars

    		•

    HD

    074280

    SAO

    117050

    Mag.

    4.30

    Spc.

    B3V

    RA

    08 43 13.5

    Dec

    +03 23 55

    Blue Fast Rotator (variable)



    Wavelength (Å)

    Flux (photons/cm² /Å /s)

    3200 38.1
    3225 38.4
    3250 38.0
    3275 37.6
    3300 37.3
    3325 36.6
    3350 36.0
    3375 35.5
    3400 34.8
    3425 34.2
    3450 33.7
    3475 33.2
    3500 32.5
    3525 31.8
    3550 32.1
    3575 32.2
    3600 31.7
    3625 31.2
    3650 31.4
    3675 31.4
    3700 33.2
    3725 35.2
    3750 35.0
    3775 34.7
    3800 36.7
    3825 38.5
    3850 39.5
    3875 40.5
    3900 40.3
    3925 40.1
    3950 38.1
    3975 36.2
    4000 37.2
    4025 38.1
    4050 37.1
    4075 36.4
    4100 36.1
    4125 35.5
    4150 36.6
    4175 37.6
    4200 37.6
    4225 37.7
    4250 36.1
    4275 34.5
    4300 32.1
    4325 29.8
    4350 30.5
    4375 31.3
    4400 30.2
    4425 30.3
    4450 29.6
    4475 28.8
    4500 28.9
    4525 29.1
    4550 28.2
    4575 27.3
    4600 27.4
    4625 27.4
    4650 27.3
    4675 27.2
    4700 26.6
    4725 26.0
    4750 25.8
    4775 25.7
    4800 25.3
    4825 24.8
    4850 23.7
    4875 22.4
    4900 22.9
    4925 23.4
    4950 23.2
    4975 23.0
    5000 22.8
    5025 22.7
    5050 22.3
    5075 22.1
    5100 21.6
    5125 21.0
    5150 21.0
    5175 21.0
    5200 20.8
    5225 20.6
    5250 20.2
    5275 19.8
    5300 19.5
    5325 19.3
    5350 19.1
    5375 18.8
    5400 18.7
    5425 18.7
    5450 18.5
    5475 18.3
    5500 18.1
    5525 17.8
    5550 17.7
    5575 17.5
    5600 17.3
    5625 17.0
    5650 16.8
    5675 16.6
    5700 16.5
    5725 16.5
    5750 16.3
    5775 16.2
    5800 15.9
    5825 15.6
    5850 15.5
    5875 15.5
    5900 15.3
    5925 15.2
    5950 15.2
    5975 15.2
    6000 14.9
    6025 14.7
    6050 14.5
    6075 14.3
    6100 14.1
    6125 14.0
    6150 13.8
    6175 13.8
    6200 13.7
    6225 13.6
    6250 13.4
    6275 13.3
    6300 13.2
    6325 13.2
    6350 13.0
    6375 12.8
    6400 12.7
    6425 12.6
    6450 12.4
    6475 12.1
    6500 12.0
    6525 11.9
    6550 11.6
    6575 11.3
    6600 11.3
    6625 11.4
    6650 11.5
    6675 11.6
    6700 11.5
    6725 11.3
    6750 11.3
    6775 11.1
    6800 11.0
    6825 10.9
    6850 10.9
    6875 10.9
    6900 10.8
    6925 10.7
    6950 10.6
    6975 10.5
    7000 10.4
    7025 10.3
    7050 10.3
    7075 10.3
    7100 10.3
    7125 10.3
    7150 10.2
    7175 10.1
    7200 10.0
    7225 10.0
    7250 9.96
    7275 9.90
    7300 9.78
    7325 9.65
    7350 9.60
    7375 9.15
    7400 9.02
    7425 8.84
    7450 8.85
    7475 8.84
    7500 8.73
    7525 8.58
    7550 8.53
    7575 8.28
    7600 8.27
    7625 8.26
    7650 8.17
    7675 8.09
    7700 7.97
    7725 7.86
    7750 7.93
    7775 7.99
    7800 7.92
    7825 7.84
    7850 7.79
    7875 7.74
    7900 7.70
    7925 7.67
    7950 7.62
    7975 7.59
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