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Annie Jump Cannon 07 Smithsonian Institution Transcription Center, Harvard-Smithsonian Center for Astrophysics Smithsonian Institution Harvard-Smithsonian Center for Astrophysics Harvard-Smithsonian Women Computers Project - Annie Jump Cannon 07 Extracted on May-03-2017 05:42:02 The Smithsonian Institution thanks all digital volunteers that transcribed and reviewed this material. Your work enriches Smithsonian collections, making them available to anyone with an interest in using them. The Smithsonian Institution welcomes personal and educational use of its collections unless otherwise noted; - If sharing the material in personal and educational contexts, please cite the Harvard-Smithsonian Center for Astrophysics as source of the content and the project title as provided at the top of the document. Include the accession number or collection name; when possible, link to the Harvard-Smithsonian Center for Astrophysics website. - If you wish to use this material in a for-profit publication, exhibition, or online project, please contact Harvard- Smithsonian Center for Astrophysics or [email protected] For more information on this project and related material, contact the Harvard-Smithsonian Center for Astrophysics. See this project and other collections in the Smithsonian Transcription Center. Smithsonian Institution Transcription Center, Harvard-Smithsonian Center for Astrophysics Smithsonian Institution Transcription Center, Harvard-Smithsonian Center for Astrophysics [[preprinted]] 1 [[/preprinted]] [[underline]] Feb. 25, 1899 [[/underline]] Measures of unknown line in epsilon, delta & zeta Orionis near lambda 5410 by superposing on plates having known lines. Let [[strikethrough]] x [[/strikethrough]] a = dist. [[strikethrough]] ^[[going from H beta to 5415]][[/strikethrough]] bet. line 5406 and 5415 in spec. of alpha Aurigae, X 8109, alpha Orionis X 8113, and alpha Carinae X 8114. Let x = dist. of unknown line from 5406 towards 5415.0 estimated in tenths. alpha Aurigae alpha Orionis alpha Carinae [[margin]] delta]] Orionis X 8119 [[/margin]] upper edge x=0.9 upper edge x=0.6 upper edge x=0.6 [[margin]] epsilon X 8119 [[/margin]] [[strikethrough]] lower [[/strikethrough]] upper " x=0.5 " " x=0.8 " " x=0.6 [[margin]] zeta X 8115 [[/margin]] " " x=0.8 " " x=0.9 " " x=0.9 0.9 0.5 0.8 0.6 0.8 0.9 0.6 0.6 [[underline]] 0.9 [[/underline]] 0.7 [[insert formula and maths]] = lambda of unknown line in delta, epsilon & zeta Orionis for delta Orionis x=0.7 therefore lambda of unknown = 541 [[strikethrough]] 3.6 [[/strikethrough]] 2.6 " epsilon " x=0.6 therefore lambda " " = 5411.6 " zeta " x=0.9 therefore lambda " " =5413.5 5412.6 mean as seen above Harvard-Smithsonian Women Computers Project - Annie Jump Cannon 07 Transcribed and Reviewed by Digital Volunteers Extracted May-03-2017 05:42:02 Smithsonian Institution Transcription Center, Harvard-Smithsonian Center for Astrophysics Smithsonian Institution Transcription Center, Harvard-Smithsonian Center for Astrophysics [[preprinted]] 2 [[/preprinted]] [[underline]] Feb. 27, 1899 [[/underline]] 3696 I has spectrum of -21 degrees 4864 of class OI on it. Search was made on this image for the nebular band 5007 but no brightness is observed of longer lambda than band 4633. 4633, 4471 & H gamma are all bright and nothing else is distinctly seen. X 6354 beta Pictoris K single. X 6 [[strikethrough]] 32 [[/strikethrough]] 231 beta Pictoris K = 0.9 H = 1.2 H delta K single. lines well-defined X 6201 1 [[superscript]] 4 [[/superscript]] beta Pictoris K line distinctly double. Solar lines very hazy Component of K towards violet = 1/2 of component towards red. Hydrogen lines are broad. The original record says the evening was cloudy. X 6202 & 6212 were taken on the same night and ^[[show]] wide lines but no doubling. [[end page]] [[start page]] [[preprinted]] 3 [[/preprinted]] Feb. 27, 1899. X 6344 1 [[superscript]] 4 [[/superscript]] beta Pictoris K single, other lines hazy and ill-defined K = 0.6H = 0.9 H delta X 6354 1 [[superscript]] 3 [[/superscript]] beta Pictoris K single and sharply defined. Hydrogen lines hazy, especially H epsilon. K seems a little more intense nut narrower than H delta. Solar lines fairly well-defined. X 6365 1 [[superscript]] 4 [[/superscript]] beta Pictoris K single K = 0.5 H = 0.6 H delta X 6374 1 [[superscript]] 4 [[/superscript]] beta Pictoris K = 0.6 H = 0.7 H delta Solar lines well-defined, especially lambda 4481. X 6394 1 [[superscript]] 4 [[/superscript]] beta Pictoris K single. K = 0.5 H = 0.6 H delta Solar lines well-defined. [[end page]] Harvard-Smithsonian Women Computers Project - Annie Jump Cannon 07 Transcribed and Reviewed by Digital Volunteers Extracted May-03-2017 05:42:02 Smithsonian Institution Transcription Center, Harvard-Smithsonian Center for Astrophysics Smithsonian Institution Transcription Center, Harvard-Smithsonian Center for Astrophysics [[preprinted]] 4 [[/preprinted]] Feb. 27, 1899. X 7184 1 [[superscript]] 5 [[/superscript]] beta Pictoris All lines are sharp. K now appears more intense with respect to H and H delta than on plates 6365, 6374 and 6394. K = 0.8 H = 0.9 H delta X 7406 1[[superscript]] 4 [[/superscript]] beta Pictoris K single. K = 0.9 H = 1.1 H delta. X 6319, [[superscript]] 4 [[/superscript]] beta Pictoris K single. K = 0.8 H [[strikethrough]]1[[/strikethrough]] = 0.9 H delta. X 6300 beta Pictoris K single. K = 0.9 H = 0.9 H delta. Lines fairly well-defined. X 4467 beta Pictoris K single X 448 beta Pictoris k single [[end page]] [[start page]] [[preprinted]] 5 [[/preprinted]] [[underline]] Feb. 2 [[strikethrough]] 7 [[/strikethrough]] 8, 1899. [[/underline]] Identification of ^[[Orion]] lines in red in spectrum of alpha Crucis X , as compared with solar lines in alpha Scorpii Lines marked on X Image 2. "1" the strongest line on red end of alpha Crucis and nearest H beta appears to fall about mid-way bet. solar lines 4920.8 and 4924.6, and its wave-length is therefore about 4922.7. It appears to correspond to the helium line 4922.1 "2" too faint to identify. "4" falls very near the solar line 5014.5. "4" is well-marked. "6" has longer wave-length than the solar lines 5041.6. and [[strikethrough]] is [[/strikethrough]] has approximate wave-length 5046.4. This line is faint. "9" has shorter wave-length than the D line in alpha Scorpii, and is the line D [[superscript]] 3 [[/superscript]] 5875.982 (see Astr. Journ. II 1895 p. 76) 8a 8b = 2 ^[[large divisions on reticle]] from D [[superscript]] 3 [[superscript]] Smithsonian Institution Transcription Center, Harvard-Smithsonian Center for Astrophysics Smithsonian Institution Transcription Center, Harvard-Smithsonian Center for Astrophysics on 20 small div. of mm eye-piece shorter lambda than D [[superscript]] 3 [[/superscript]] [[end page]] Harvard-Smithsonian Women Computers Project - Annie Jump Cannon 07 Transcribed and Reviewed by Digital Volunteers Extracted May-03-2017 05:42:02 Smithsonian Institution Transcription Center, Harvard-Smithsonian Center for Astrophysics Smithsonian Institution Transcription Center, Harvard-Smithsonian Center for Astrophysics [[preprinted]] 6 [[/preprinted]] Feb. 28, 1899. Same as preceding page. Image 1. alpha Crucis "1" Inten. 8 lambda 4922 "2" " 1 " 4940 "4" " 3 " 5018.0 "6" " 1.5 " 5050.0 "9" " 6 " 5875 D [[superscript]] 3 [[/superscript]] [[end page]] [[start page]] [[preprinted]] 7 [[/preprinted]] [[underline]] March 1, 1899 [[/underline]] X 8579 gamma Arae Lines broad beta Arae not all on & very poor. X 9140 [[subscript]]2[[/subscript]][[superscript]] 4 [[/superscript]] gamma Arae B2A Lines broad beta Arae K2M. X 8221 beta Pictoris K single. [[end page]] Harvard-Smithsonian Women Computers Project - Annie Jump Cannon 07 Transcribed and Reviewed by Digital Volunteers Extracted May-03-2017 05:42:02 Smithsonian Institution Transcription Center, Harvard-Smithsonian Center for Astrophysics Smithsonian Institution Transcription Center, Harvard-Smithsonian Center for Astrophysics [[preprinted]] 8 [[/preprinted]] [[underline]] Mch. 2, 1899 [[/underline]] X 8621 [[subscript]]2[[/subscript]] [[superscript]] 4 [[/superscript]] pi Scorpii Lines broad and hazy towards end of shorter wave-length. X 9284 [[subscript]]2[[/subscript]] [[superscript]] 3 [[/superscript]] pi Scorpii Lines broad. [[end page]] [[start page]] [[preprinted]] 9 [[/preprinted]] [[underline]] Mch. 4, 1899 [[/underline]] C 11783 A.G.C. 8991 Too faint to see H beta. C 11771 A.G.C. 899 [[strikethrough]] 9 [[/strikethrough]] 1 H beta dark and bright on the edge of greater wave-length. The brightness is about 1.5 in scale of intensity. C 11754 A.G.C. 8991 H beta bright, but very faint. C 11752 H.P. 1368 H beta dark, but about 3/4 as intense as H gamma dark. C 11742 H.P. 1368 H beta dark. C 11761 H beta dark. Harvard-Smithsonian Women Computers Project - Annie Jump Cannon 07 Transcribed and Reviewed by Digital Volunteers Extracted May-03-2017 05:42:02 Smithsonian Institution Transcription Center, Harvard-Smithsonian Center for Astrophysics Smithsonian Institution Transcription Center, Harvard-Smithsonian Center for Astrophysics [[preprinted]] 10 [[/preprinted]] Mch. 4, 1899. C 17779 H.P. 1368 H beta dark but there appears to be a bright streak [[strikethrough]] of [[/strikethrough]] on the edge of greater wave-length. [[end page]] [[start page]] [[preprinted]] 11 [[/preprinted]] [[underline]] Mch. 6, 1899 [[/underline]] X 9095 [[subscript]]1[[/subscript]] [[superscript]] 3 [[/superscript]] kappa Cham. Poor image, probably K5M. X 9226 [[subscript]]2[[/subscript]] [[superscript]] 4 [[/superscript]] pi Scorpii
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