- In geometry, an
isophote is a
curve on an
illuminated surface that
connects points of
equal brightness. One
supposes that the
illumination is done by parallel...
- galaxy. This is the
diameter as
measured through the 25.0 mag/arcsec−2
isophote at the B-band. The
diffuse stellar halo of this
galaxy extends up to 300...
- of
measuring a galaxy's size
based on its
apparent surface brightness.
Isophotes are
curves in a
diagram - such as a
picture of a
galaxy - that adjoins...
- one another. The most
commonly emplo****
method is the D25
standard – the
isophote where the
photometric brightness of a
galaxy in the B-band (445 nm wavelength...
-
irregular galaxy called the
Canis Major Overdensity.
Based on the D25
isophote at the B-band (445 nm
wavelength of light), the
Large Magellanic Cloud...
- galaxy, but it may in fact be a
small spiral galaxy.
Based on the D25.5
isophote at the B-band with an
angular diameter of 1,980 arcseconds, it has an isophotal...
-
measurement by the
Third Reference Catalogue of
Bright Galaxies using the D25
isophote at the B-band, the
Whirlpool Galaxy has a
diameter of 23.58 kilop****cs...
-
diameter measurements of the galaxy. This
includes the D25 and D25.5 B-band
isophotes, as well as the 50%
total light emission (the half-light radius) and variations...
- 81 kilop****cs (156,000 light-years) (diameter; 25.0 mag/arcsec2 B-band
isophote)
Apparent size (V) 10.2 × 8.3 moa
Other designations NGC 4472, UGC 7629...
- 51 kilop****cs (53,800 light-years) (diameter, 25.0 mag/arcsec2 B-band
isophote)
Apparent size (V) 10.71 × 5.128
arcminute Other designations Evil Eye...