- 21600 nmi. A
minute of arc is π/10800 of a radian. A
second of arc,
arcsecond (
arcsec), or arc second,
denoted by the
symbol ″, is 1/60 of an arcminute, 1/3600...
- For example,
using this range, tan (
arcsec ( x ) ) = x 2 − 1 , {\displaystyle \tan(\operatorname {
arcsec}(x))={\sqrt {x^{2}-1}},}
whereas with the...
- |x|+C} ∫
arcsec ( a x ) d x = x
arcsec ( a x ) − 1 a
arcosh | a x | + C {\displaystyle \int \operatorname {
arcsec}(ax)\,dx=x\operatorname {
arcsec}(ax)-{\frac...
- tan (
arccsc x ) = 1 x 2 − 1 sin (
arcsec x ) = x 2 − 1 x cos (
arcsec x ) = 1 x tan (
arcsec x ) = x 2 − 1 sin (
arccot x ) = 1 1...
- the main 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...
- x\right)\\&=-{\dfrac {1}{1+x^{2}}}\end{aligned}}} Let y =
arcsec x ∣ | x | ≥ 1 {\displaystyle y=\operatorname {
arcsec} x\ \mid |x|\geq 1} Then x = sec y ∣ y...
- 556 d)
Precession of
perihelion 451.707549
arcsec / yr Precession of the ascending node 415.317659
arcsec / yr
Physical characteristics Mean diameter...
- up to a
factor of ~1011 (at 1 μm) and
extreme angular resolution (~10−10
arcsec).
Albert Einstein predicted in 1936 that rays of
light from the same direction...
-
brightness μsky>21magarcsec−2{\displaystyle \mu _{\text{sky}}>21\,\mathrm {mag\,
arcsec^{-2}} }, the
visual limit m{\displaystyle m}
could be
expressed as: m=0...
-
radial velocity 4687 ± 4 km/s
Apparent magnitude (B) 14.1
Surface brightness 23.44 mag/
arcsec^2
Other designations UGC 1048, MCG +06-04-029, PGC 5489...
