224 



ETHER AND GRAVITATIONAL MATTER. 



[From tho Annuaire rlu Bureau flew Lnngiturles (Paris, 1901).] 



Magni- 

 tude. 



0.7 

 6.8 

 .5.1 

 -1.4 

 8.2 

 7.9 

 7.5 

 0.5 

 9. 



6.5 

 8.5 

 4.7 

 3.6 

 0.2 

 9. 

 0.9 

 5.2 

 4.5 

 2.4 

 1. 

 7. 

 4.1 

 0.2 



Name of star. 



Distance 

 from earth 

 ! in million 



million 

 kilometers. 



a. Centauri 



21185 Lalande 



61 Cygni 



Sirius 



18609 Arg.-(Eltzeii . . . 



34 Groom bridge 



93.52 Lacaille 



Procyon 



11677 Arg.-CEltzen... 



1643 Fedorenko 



21258 Lalande 



a- Draconis 



7) CassiopeifB 



a Aurigse 



17415 Arg.-CEltzen... 



a Aquila; 



€ " Indien " 



o- Eridani 



/3 Cassiopeia^ 



a Tauri 



1831 Fedorenko 



};' Ophiuchi 



Vega 



a Urs. Min. (Polaris) 



43 

 64 

 70 

 83 

 88 

 99 

 110 

 110 

 119 

 123 

 128 

 128 

 147 

 147 

 154 

 154 

 1.54 

 181 

 193 

 206 

 206 

 206 

 206 

 440 



Annual 



proper 



motions. 



3. 62 

 4.75 

 6.17 

 1. 32 

 2.30 

 2.83 

 6.97 

 1.26 

 3.05 

 1.43 

 4.40 

 1.84 

 1.19 

 0.43 

 1.27 

 0.64 

 4.60 

 4.05 

 0.57 

 0.19 

 0.42 

 1.13 

 0.36 

 0.05 



Parallax. 



Velocities 



perpen- 

 dicular to 



line of 



sightin kil- 



ometer.s per 



second. 



0.72 

 .48 

 .44 

 .37 

 .35 

 .31 

 .28 

 .27 

 .26 

 .25 

 .24 

 .24 

 .21 

 .21 

 .20 

 .20 

 .20 

 .17 

 .16 

 .15 

 .15 

 .15 

 .15 

 .07 



23.9 

 47.1 

 55.7 

 17. 

 31.3 

 43.5 

 118.5 

 22. 2 

 55. 7 

 27.2 

 87.1 

 36. 5 

 27. 



9.8 



30.2 



1.5. 2 



109. 5 



113.2 



16.9 



6. 



13.3 



3.5.8 



11.4 



3.4 



Stars u'Idch have largest of observed velocities in tlie line of sight. 



[Extract by tbe .\stronomer Royal from an article in the Astrophysical Journal for January, 1901, by 

 W. W. Campbell, director of Lick Observatory.] 



4.2 

 4.1 



e Andromedse . . 

 /ut Cassiopeiae . . . 



fi Leporis 



S Canis Majoris 



I Pegasi 



/n Sagittarii 



h. m. 

 33 



6 50 

 21 17 



-1-28 46 



-1-54 20 



-20 54 



-11 55 



-1-19 23 



-21 1 



Kilometer 

 per sec. 

 -84 

 -97 

 -1-95 

 +96 

 -76 

 -76 



The -1- sign denotes recession, the — sign approach. 



