Variable Stars. 



279 



reoo 



Roberts, Alex. W. On a method of 

 determining the absolute dimensions of an 

 AliTol variable star. London, Men. Not. 

 li. Astr. Soc, 66, 1906, (123-141). 



Certain considerations re- 

 garding Algol variation, with special 

 reference to C.P.D.-41°. 4511. Edin- 

 burarh, Proc. R. Soc, 24, 1904, (71-84, 

 witii 2 pL). Separate, 1902, (14, with 

 2 pi). 19 cm. 



Xote on the increasing period 



of ;8 Lvr;i'. Obser\'atorv, Loudon, 29, 



1906, (9S-li)l). 



Se%grave, F. E. Observations of Xova 

 Persei. Pop. Astr., Xorthtield, Minn., 

 11, 1903, (155-214); 12, 1904, (358). 



Xova Persei. Pop. Astr., 



Xorthfield, Minn., 11, 1903, (344). 



U Orionis. Pop. Astr., 



Xorthfield, Minn., 12, 1904, (143-146, 

 with text fig.). 



Stone, Ormond. Suspected variable 

 near li Cvgni. Astr. J., Boston, Mass., 

 23, 1903, "(166). 



Tass, A[nton]. X'euer Yeranderlicher 

 190.1904 Cassiopeiae. Astr. X'achi-., 

 Kiel, 167, 1905, (109-110). 



Yorlaufige MitteQung der 



Resultate photometrischer lieobachtungen 

 veranderlicher Sterne. Astr. Xachr., Kiel, 

 168, 1905, (197-208). 



Photometrische Beobach- 



tungen des Yeranderlicheu 190.1904 

 Cassiopeiae. Astr. Xachr., Kiel, 168, 

 1905, (207-210). 



X'euer "\'eranderlicher 



63.1905 Gemmorum. Astr. Xachr., 

 Kiel, 168, 1905, (321-324). 



Terkan, L. Photometrische Beobach- 

 tuii^'en veranderlicher Sterne in O-G valla. 

 Astr. Xachr., Kiel, 168, 1905, (33-40). 



Turner, H. H. X'ew variable 47. 

 1905 Aurigae. Astr. Xachr., Kiel, 168, 

 1905, (20 30). 



The new variable 162. 



1904 Herculis. Astr. Xachr., Kiel, 166, 

 19.. 4, (287-288). 



The new star in Gemini. 



London, Proc. R. Inst., 17, [1905], 

 (375-385). 



Valentiner, W[illieliu]. Photometrische 

 Mcssungen der Stinie R Coronae Bor. 

 uii.l (i(). 1905 Ophiuchi. Astr. Xachr., 

 Kiel, 169, 1905, (61-64). 



Very, Frank W. Xote on the parallax 

 • it Xova I'ersei. Astroph. J., Chicago, 

 III., 20, 1904, (79). 



Watson, Ida J. and Swartz, Helen :M. 

 Maxima and minima of long period 

 variables. [Computed from Chandler's 

 " Third Cafcilogue."] Pop. Astr., X'orth- 

 field, Minn., 11, 1903, (49. 1.59-160, 

 213-214, 272, 338, 405, 4.56, 509). 



Whitney, Marj' W. Comparison stars 

 for tlie ,Algol variable 4. 1903. Pop. 

 Astr., Xorthfield, Minn., 11, 1903, (42-8 

 429, with text fig.). 



Williams, A. Stanley. Revised 

 elements of UY Cygni (Ch. 7514) ; note 

 on 11 Z Lvrse. London, Mon. Xot. R. 

 Astr. Soc," 65, 1905, (586-588). 



Revised elements of Y Lyra;, 



(Ch. 6685). London, Mon. Not. R. Astr. 

 Soc, 65, 1905, (588-591). 



Elements and light curve of 



RY L^Ta^ (Ch. 6915). London, Mon. 

 Xot. K". Astr. Soc, 66, 1906, (114-118). 



Elements and light curve of 



YW Cygni (Ch. 7268). London, Mon. 

 Xot. R". Astr. Soc, 66, 1906, (118-120). 



On the light-changes of the 



variable star Y A'ulpeculfc. London, J. 

 Brit. Astr. Ass., 15, 1905, (200-202). 



Xotes on some recently 



discovered variable stars. Astr. J.\ 

 Boston, Mass., 23, 1903, (5-8). 



Xew variable star 187. 



1904 Persei. Astr. Xachr., Kiel, 167, 



1904, (1.5-l(i). 



X"ew variable star 189.1904 



Andromedae. Astr. X'achr., Kiel, 167, 



1905, (41-42). 



X^'ew variable star 38.1905 



Andromedae. Astr. X^^achr. , Kiel, 167, 

 1905, (341-344). 



On the variable VX Cvgni. 



Astr. Xachr., Kiel, 168, 1905, (.'.5-26). 



Yariabilis 59. 1905 Lvrae. 



Astr. Xachr., Kiel, 168, 1905, (lll-il2). 



On the variable 47.1905 



Amiu:ae. Astr. Xachr., Kiel, 168, 1905, 

 (211-212). 



Wilson, H. C. The new star in Gemini 

 12. 1903. Pop. Astr.. Xorthfield, Minn., 

 11, 1903, (258-261, with text fig.). 



Wirtz, C[arl] "\Y. Golegeutliche 

 Beobachtiingen am grossen Refraktor der 

 kais. UniversitJitssternwarte zu Strass- 

 burg. Astr. Xachr., Kiel, 167, 1905, 

 (197-204). 



Wolf. Max. Neue Veriinderliche in 

 Yulpecula. Astr. Xachr., Kiel, 166, 

 1904, (77-78, mit 1 Taf.). 



