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    Denebola (Beta Leonis)

    Denebola
    The second brightest star in the constellation Leo and the easternmost of a prominent triangle of stars to the east of Regulus. Denebola marks the Lion’s tail, its name coming from an Arabic phrase that means exactly that. It is a main-sequence A star, a Delta Scuti star, and, most interestingly, like Vega, seems to be encircled by a disk of infrared-emitting dust. Viewed through a telescope, it also appears to have an orange companion, but the two stars are not physically connected.


    Visual magnitude 2.14
    Absolute magnitude 1.91
    Spectral type A3V
    Surface temperature 8,500 K
    Luminosity 12 Lsun
    Distance 36 light-years
    Position R.A. 11h 49m 03.6s,
    Dec. +14° 34' 19"
    Other designations Deneb Aleet, 94 Leo, GJ 448, HR 4534, BD +15°2383, HD 102647, LHS 2462, LTT 13249, GCTP 2738.00, SAO 99809, FK5 444, HIP 57632


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