 | 1880 - 778 trang
...Knobel, Knott, Stone and Christie was appointed by the Royal Astronomical Society, and Dr. Schönfeld was named as its representative by the Astronomische...according to their brightness into three classes: — I. Naked eye stars, or those brighter than the sixth magnitude. These stars will form the standards of... | |
 | 1881 - 398 trang
...Astronomische Gesellschaft. Unfortunately, the somewhat voluminous correspondence of your Committees has been delayed by the great distances to be traversed...observations made with the unaided eye or with an opera- or field-glass. Most of the photometric measures hitherto made relate to these stars. II. Bright telescopic... | |
 | Astronomische Gesellschaft (Germany) - 1881 - 1028 trang
...somewhat voluminous correspondence of your Committee has been delayed by the great distances to he traversed, and although the following plans are under...according to their brightness into three classes: I. Naked eye stars, or those brighter than the sixth magnitude. These stars will form the standards of... | |
 | American Association for the Advancement of Science - 1882 - 518 trang
...astronomers in all parts of the world. Accordingly, the Royal Astronomical Society and the Astronomischc Gesellschaft were invited to aid in this work. A committee...photometric measures hitherto made relate to these stars. AAA v, VOL. XXX. (1) II. Bright telescopic stars, from the sixth to the tenth magnitude. This class... | |
 | Royal Astronomical Society - 1882 - 514 trang
...Report recently issued by the American Committee the plan of operations is thus very clearly put : — " Stars may be conveniently divided, according to their...stars, or those brighter than the sixth magnitude ; " 2. Bright telescopic stars, from the sixth to the tenth magnitude ; " 3. Faint telescopic stars,... | |
 | 1882 - 518 trang
...Report recently issued by the American Committee the plan of operations is thus very clearly put:— " Stars may be conveniently divided, according to their brightness, into three classes— " 1. Lucid stars, or those brighter than the sixth magnitude; " 2. Bright telescopic stars, from the... | |
 | 1882 - 514 trang
...Report recently issued by the American Committee the plan of operations is thus very clearly put :— " Stars may be conveniently divided, according to their brightness, into three classes — " 1. Lucid stars, or those brighter than the sixth magnitude; " 2. Bright telescopic stars, from... | |
 | Edward Charles Pickering - 1888 - 816 trang
...to aid in this work. A committee consisting of Messrs. Hind, Enobel, Knott, Stone and Christie waa appointed by the Royal Astronomical Society, and Dr....photometric measures hitherto made relate to these stars. (l) II. Bright telescopic stars, from the sixth to the tenth magnitude. This class includes most of... | |
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Schonfeld was named as its representative by the Astronomische Gesellschaft. Unfortunately, the somewhat voluminous correspondence of your committee has been delayed by the great distances to be traversed, and although the following plans are under consideration... 