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For example, a star of absolute magnitude M V = 3.0 would be 100 times as luminous as a star of absolute magnitude M V = 8.0 as measured in the V filter band. The Sun has absolute magnitude M V = +4.83. [1] Highly luminous objects can have negative absolute magnitudes: for example, the Milky Way galaxy has an absolute B magnitude of about −20 ...
The absolute magnitude M, of a star or astronomical object is defined as the apparent magnitude it would have as seen from a distance of 10 parsecs (33 ly). The absolute magnitude of the Sun is 4.83 in the V band (visual), 4.68 in the Gaia satellite's G band (green) and 5.48 in the B band (blue). [20] [21] [22]
Epsilon Cassiopeiae or ε Cassiopeiae, officially named Segin (/ ˈ s ɛ ɡ ɪ n /), [10] [11] is a single [12] star in the northern constellation of Cassiopeia.With an apparent visual magnitude of 3.4, this is one of the brightest stars in the constellation.
Apparent magnitude (V) 13.05 [3] (10.7 to 14.0) [4] Characteristics Spectral type: G5-G8IV-V (secondary) [3] ... Absolute magnitude (M V) +3.0 - +5.8 [6] Orbit ...
Delta Draconis (δ Draconis, abbreviated Delta Dra, δ Dra), formally named Altais / æ l ˈ t eɪ. ɪ s /, [10] is a yellow star in the constellation of Draco.It has an apparent visual magnitude of 3.0, [2] making it easily visible to the naked eye.
Visual magnitude (m V) Proper name [8] Bayer designation Distance Spectral type Celestial Hemisphere 0 −26.74 Sun: 0.0 G2 V 1 −1.46 Sirius: α CMa 8.6 A0mA1 Va, DA2 Southern 2 −0.74 Canopus: α Car 310 A9 II Southern 3 −0.27 (0.01 + 1.33) Rigil Kentaurus & Toliman: α Cen 4.34 G2 V, K1 V Southern 4 −0.05 Arcturus
Epsilon Corvi (ε Crv, ε Corvi) is a star in the southern constellation of Corvus.It has the traditional name Minkar / ˈ m ɪ ŋ k ɑːr /, from Arabic منقار minqar meaning "beak [of the crow]" [10] The apparent visual magnitude is +3.0 [2] and it is located at a distance of 318 light-years (97 parsecs) from Earth.
Absolute magnitude (M V) −3.98 [6] Orbit [4] Primary: Aa: Companion: Ab: Period (P) 203.523 ...