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Menkar
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Menkar (ook bekend as Alpha Ceti of α Cet) is die tweede helderste ster in die sterrebeeld Walvis (Cetus).
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Menkar
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Menkar se ligging (in die rooi sirkel). | ||||
Sterrebeeld | Walvis | |||
Bayer-naam | Alpha Ceti | |||
Spektraaltipe | M1,5 IIIa[1] | |||
Soort | Reusester | |||
Waarnemingsdata (Epog J2000) | ||||
Regte klimming | 03h 02m 16.77307s[2] | |||
Deklinasie | +04° 05′ 23.0596″[2] | |||
Skynmagnitude (m) | 2,53[3] | |||
Absolute magnitude (M) | -3,2 ± 0,3[1] | |||
B-V-kleurindeks | +1,64[3] | |||
U-B-kleurindeks | +1,93[3] | |||
Besonderhede | ||||
Massa (M☉) | 2,3 ± 0,2[4] | |||
Radius (R☉) | 89 ± 5[4] | |||
Ligsterkte (L☉) | 1 455 ± 328[4] | |||
Temperatuur (K) | 3 795 ± 70[4] | |||
Ander name | ||||
Menkar, Menkab, Mekab, Monkar, Al Minhar, 92 Ceti, HR 911, BD+03° 419, HD 18884, SAO 110920, FK5 107, HIP 14135 | ||||
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