Apparent Visual Magnitude |
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Apparent Visual Magnitude (mv)
Is the magnitude of the stars without compensating for their distance from Earth.
Arachnoids ...
apparent visual magnitude (mv): The brightness of a star as seen by human eyes on Earth.
archaeoastronomy: The study of the astronomy of ancient cultures.
At an apparent visual magnitude that varies between +2.01 and +2.10, [4], beta Andromedae or Mirach, is the second brightest star in the Andromeda constellation. It is a red giant 200 light-years distant from the Earth.
*App. vis. mag. = Apparent visual magnitude
Abs. vis. mag. = Absolute visual magnitude
Notes ...
Plot of absolute or apparent visual magnitude against color index for a group of stars. (C-M Diagram, CMD )
Color Temperature ...
fireballs (AS&T Dictionary) Bright meteors with an apparent visual magnitude of -4 mag. or brighter. fireflies (NASA Thesaurus) Flying insects which produce light by bioluminescence. firing (NASA SP-7, 1965) 1.
See also: Meteoroid Stream Fireball A bright meteor with an apparent visual magnitude of -4 mag. or brighter. See also: Meteor, Meteorite, Meteoroid, Persistent train Geocentric Earth-centered. Heliocentric Sun-centered.
In the second century BC, the Greek astronomer Hipparchus divided the stars into six brightness groups called magnitudes (now apparent visual magnitudes (m or V), first magnitude the brightest, sixth the faintest.
Sekanina calculates that a 1013--kilogram fragment, a reasonable value for the largest piece, will reach an apparent visual magnitude of -10 during the terminal explosion.
Related plots are the color-magnitude plot (absolute or apparent visual magnitude against color index) and the spectrum-magnitude plot (visual magnitude versus spectral type)the original form of the H-R diagram. [H76] ...
The Yale Bright Star Catalogue's notes entry for HR 8721 indicate that TW PsA is a BY Draconi-type variable (Vogt et al, 1983) that varies in apparent visual magnitude from 6.44 to 6.
Intrinsic brightness of a star. The apparent visual magnitude the star would have if it were 10 pc away.
absorption line
A dark line in a spectrum. Produced by the absence of photons because they were absorbed by atoms or molecules.
The star ε Eridanus has an apparent visual magnitude of V = 3.73 and an apparent blue magnitude of B = 4.61.
a) What is its colour index?
b) What is its approximate spectral class?
β Herculis has a visual companion, CCDM J16302+2129B, which has an apparent visual magnitude of approximately 10.7. It is probably optical and not physically bound to β Herculis.[13][4]
[edit] References ...
One of the galaxy's brightest stars. Apparent visual magnitude = 0.1
Type of Star:
Brilliant bluish-white Supergiant (B8 1a Spectral Type) ...
Unless otherwise qualified, the term is normally taken to mean apparent visual magnitude.
Related entries
- magnitude
- absolute magnitude ...
It is an Stellar classification#Class A main sequence star with an apparent visual magnitude of 0.77 and is one of the vertices of the Summer Triangle; the other two are Deneb and Vega....
(the male cow-herd deity) in the constellation ...
Another visible ternary is Alpha Centauri, in the southern constellation of Centaurus, which contains the fourth brightest star in the night sky, with an apparent visual magnitude of −0.01.
 See also: Visual magnitude, Magnitude, Apparent, Sun, Star
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