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Let A be the adjacency matrix of a graph $X$ and suppose U(t)=exp(itA). We view A as acting on $\cx^{V(X)}$ and take the standard basis of this space to be the vectors $e_u$ for $u$ in $V(X)$. Physici...
Measurement of Double Stars with a CCD Camera：Two Methods。
Planets in double stars：the cephei system。
Observations of hipparcos double stars with the wiyn Telescope
double stars wiyn Telescope
2009/6/16
Observations of hipparcos double stars with the wiyn Telescope。
ORBITAL ELEMENTS OF TWO DOUBLE STARS。
SYSTEMATIC EFFECTS IN THE BELGRADE CATALOGUE OF DOUBLE STARS
DOUBLE STARS THE BELGRADE CATALOGUE
2009/4/22
SYSTEMATIC EFFECTS IN THE BELGRADE CATALOGUE OF DOUBLE STARS。
MICROMETRIC MEASUREMENTS OF DOUBLE STARS - POP PAIRS (SERIES 47)
MICROMETRIC MEASUREMENTS DOUBLE STARS
2009/4/21
MICROMETRIC MEASUREMENTS OF DOUBLE STARS - POP PAIRS (SERIES 47)。
MICROMETER MEASUREMENTS OF DOUBLE STARS (SERIES 48)。
The orbital elements and the corresponding astrophysical quantities
are given for the following double stars: ADS 48 = OΣ 547, ADS 2491 = Σ
380, ADS 5400 = Σ 948, ADS 6526 = A 1580, ADS 8082 = h 256...
MICROMETER MEASUREMENTS OF DOUBLE STARS (SERIES 50)。
ON THE TOTAL MASSES OF VISUAL DOUBLE STARS。
The orbital elements and the corresponding astrophysical quantities
are given for the following double stars: Hn 4 = ADS 795, β 302 = ADS 805,
A 926 = ADS 832, 95 Ceti = AC 2 = ADS 2459, OΣ 358 AB =...
RECALCULATION OF 5 DOUBLE STARS ORBITS
5 DOUBLE STARS ORBITS astrophysical quantities orbital elements
2009/3/31
In this paper are presented orbital elements and corresponding astrophysical
quantities for the pairs: WDS 00057+4549 = ADS 48, WDS 00576+5424
= ADS 795, WDS 08017-0836 = ADS 6526, WDS 21044-1951 = ...
An integrated distribution function is derived for visual double
stars according to the magnitude difference Δm between the components. For this
purpose the author uses a sample of 1626 double stars...
In this paper are given the orbital elements for the following five
double stars: ADS 674 A921, ADS 2849 A1831BC, ADS 4002 McA18Aab, c,
WDS 07269+2015 = CHARA 26 and ADS 6138 A2869, corresponding as...