Leiden University Scholarly Publications

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(118,609 - 118,632 of 118,988)

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Provisional ephemerides of 25 new faint variable stars within 6° of τ Sagittarii
A method for determining the orbital elements of a spectroscopic binary, with application to γ Geminorum
Note on the distribution of luminosities of K and M giants
Photographic photometry of RR Lyrae on plates taken by J. Schilt H. van Gent and
The secular perturbations of Pallas by Jupiter, a correction
Two new faint variable stars of which the periods are unusual (Errata: 6 232)
On a method based on a property of central projection for reducing the rectangular coordinates measured on an arbitray plate to those of any other plate
Corrections to a number of P.G.C. stars derived from differential observations with the meridian circle at Leiden
Photographic magnitudes of bright stars near the North Pole (Errata: 6 224)
Some problems concerning the distribution of luminosities and peculiar velocities of extragalactic nebulae
Positions of minor planets, measured on plates taken by H. van Gent
The star Boss 2184 as a variable of the δ Cephei type
Some further computations regarding nonstatic universes
Do the galaxies expand with the universe?
The resistance experienced by the outward moving chromospheric Ca<SUP>+</SUP> ions and its effect on the density
A new faint variable star, of which the period is the shortest known
A new variable star of short period
Determination of absolute declinations and latitude by observations at the meridian circle and the zenith telescope
Determination of declinations and latitude from azimuths and zenith distances
Photographic observations of the eclipsing variable Castor C = YY Geminorum from 1926 Oct. 2 to 1928 Jan. 13
The orbits of five minor planets, discovered by H. van Gent (Errata: 6 184)
Note on the velocities of extragalactic nebulae
Photographic photometry of SY Aurigae
A new probable member of the Ursa Major group

Pages