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Дата изменения: Tue Oct 15 12:21:13 2013
Дата индексирования: Thu Feb 27 21:56:45 2014
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Поисковые слова: molecular cloud
First page of Computer Ephemeris for 2014 (DE200/LE200).

Computer Ephemeris for 2014 from DE200/LE200.

First page.

Epoch T = J2014.5 = date 2014 Jul 2.625 (JD2456841.125) = besselian epoch B2014.50159

Beginning of spring: Mar 20  16h58.26m
             summer: Jun 21  10h52.38m
             autumn: Sep 23   2h30.20m   
             winter: Dec 21  23h04.07m

Earth in perigelion: Jan 04  12.00h
         aphelion  : Jul 04   0.24h

Mean obliquity of ecliptic (eps) at J2014.5:  
                        23.437406o = 23o26'14.66"
  Sin(eps) = 0.39774696          Cosec(eps) = 2.51416126
  Cos(eps) = 0.91749515            Sec(eps) = 1.08992401
  Tan(eps) = 0.43351396            Ctg(eps) = 2.30673077

Year precessional quantities for J2014.5:
     -- in right ascension    m =  46.1284"   =   3.07523s
     -- in declination        n =  20.0419"   =   1.33612s
     -- in longitude          p =  50.2942"   =   0.0139706o
     -- lunar/solar          p1 =  50.3885"   =   0.0139968o
     -- planetary            q1 =   0.1028"   =   0.0000286o

Ecliptic rotation:
   angular velocity of --        pi =   0.4699"    =   0.0001305o
   longitude of real axis of --  Pj = 175.0089o

Accumulated angle from J2000.0 to T:
-- precession in longitude        a =    729.248"  =   0.202567o
-- of ecliptic rotation           b =      6.815"  =   0.001893o
-- precession in right ascension  M =      44.5908s
-- precession in declination      N =     290.6071"

Tm = (J2000.0 + T) / 2
180o - Pj + a/2  for Tm             c =   5.1586o
180o - Pj - a/2  for Tm             c'=   4.9561o

Matrix for transformation from J2000.0 to J2013.5
     0.99999375    -0.00324259    -0.00140894
     0.00324259     0.99999474    -0.00000228
     0.00140894    -0.00000229     0.99999901