1

On metagalactic distance-indicators

Year:
1956
Language:
english
File:
PDF, 771 KB
english, 1956
2

Do Planetary Systems exist?

Year:
1949
Language:
english
File:
PDF, 757 KB
english, 1949
3

Suspected Nova Near H I 53 Pegasi

Year:
1922
Language:
english
File:
PDF, 173 KB
english, 1922
4

Nova Z Centauri (1895) And N. G. C. 5253

Year:
1922
Language:
english
File:
PDF, 214 KB
english, 1922
5

The Apparent Distribution of the Novae

Year:
1921
Language:
english
File:
PDF, 254 KB
english, 1921
6

THE ABSOLUTE MAGNITUDES OF NOVÆ

Year:
1922
Language:
english
File:
PDF, 389 KB
english, 1922
7

SOME FACTS AND SUGGESTIONS CONCERNING NOVA

Year:
1923
Language:
english
File:
PDF, 1.53 MB
english, 1923
9

The Spectrum of Nova T Coronae

Year:
1921
Language:
english
File:
PDF, 228 KB
english, 1921
11

The Planetary Disk of Nova Cygni (1920)

Year:
1921
Language:
english
File:
PDF, 282 KB
english, 1921
12

Nova Aquilae No. 4

Year:
1921
Language:
english
File:
PDF, 298 KB
english, 1921
13

THE PARALLAXES OF BRIGHT AND DARK DIFFUSE NEBULÆ

Year:
1922
Language:
english
File:
PDF, 679 KB
english, 1922
14

ON THE MOTIONS OF SPIRALS

Year:
1922
Language:
english
File:
PDF, 619 KB
english, 1922
16

The Spiral Nebula Messier 33

Year:
1921
Language:
english
File:
PDF, 368 KB
english, 1921
19

The Rotation Period of Uranus

Year:
1922
Language:
english
File:
PDF, 343 KB
english, 1922
20

FATHER HAGEN'S PAPERS ON DARK NEBULA

Year:
1922
Language:
english
File:
PDF, 588 KB
english, 1922
21

ARE THE GLOBULAR CLUSTERS AND THE ANAGALACTIC NEBULAE RELATED?

Year:
1930
Language:
english
File:
PDF, 563 KB
english, 1930
22

DETERMINATION OF THE APEX OF GLOBULAR CLUSTERS

Year:
1923
Language:
english
File:
PDF, 275 KB
english, 1923
23

A NEW GENERAL CATALOGUE OF NEBULAE

Year:
1930
Language:
english
File:
PDF, 292 KB
english, 1930