On the distribution of intensity in stellar absorption lines (Registro nro. 116639)
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| fixed length control field | 02901cam a22003733u 4500 |
| 001 - CONTROL NUMBER | |
| control field | 75914 |
| 003 - CONTROL NUMBER IDENTIFIER | |
| control field | UtSlPG |
| 005 - DATE AND TIME OF LATEST TRANSACTION | |
| control field | 20260610134745.0 |
| 006 - FIXED-LENGTH DATA ELEMENTS--ADDITIONAL MATERIAL CHARACTERISTICS | |
| fixed length control field | m |
| 007 - PHYSICAL DESCRIPTION FIXED FIELD--GENERAL INFORMATION | |
| fixed length control field | cr n |
| 008 - FIXED-LENGTH DATA ELEMENTS--GENERAL INFORMATION | |
| fixed length control field | 260607r20251926utu|||||o|||||||||||||| d |
| 040 ## - CATALOGING SOURCE | |
| Original cataloging agency | UtSlPG |
| 041 #7 - LANGUAGE CODE | |
| Language code of text/sound track or separate title | en |
| Source of code | iso639-1 |
| 050 #4 - LIBRARY OF CONGRESS CALL NUMBER | |
| Classification number | QB |
| 100 1# - MAIN ENTRY--PERSONAL NAME | |
| Personal name | Payne-Gaposchkin, Cecilia, |
| Dates associated with a name | 1900-1979 |
| 245 10 - TITLE STATEMENT | |
| Title | On the distribution of intensity in stellar absorption lines |
| 264 #1 - PRODUCTION, PUBLICATION, DISTRIBUTION, MANUFACTURE, AND COPYRIGHT NOTICE | |
| Place of production, publication, distribution, manufacture | Salt Lake City, UT : |
| Name of producer, publisher, distributor, manufacturer | Project Gutenberg, |
| Date of production, publication, distribution, manufacture, or copyright notice | 2025 |
| 300 ## - PHYSICAL DESCRIPTION | |
| Extent | 1 online resource : |
| Other physical details | multiple file formats |
| 336 ## - CONTENT TYPE | |
| Content type term | text |
| Content type code | txt |
| Source | rdacontent |
| 337 ## - MEDIA TYPE | |
| Media type term | computer |
| Media type code | c |
| Source | rdamedia |
| 338 ## - CARRIER TYPE | |
| Carrier type term | online resource |
| Carrier type code | cr |
| Source | rdacarrier |
| 490 1# - SERIES STATEMENT | |
| Series statement | From: Proceedings of the American Academy of Arts and Sciences, 1925-05, Vol. 61, p. 459-486. |
| 500 ## - GENERAL NOTE | |
| General note | Release date is 2025-04-20 |
| 508 ## - CREATION/PRODUCTION CREDITS NOTE | |
| Creation/production credits note | Richard Tonsing and the Online Distributed Proofreading Team at https://www.pgdp.net (This book was produced from images made available by the HathiTrust Digital Library.) |
| 520 ## - SUMMARY, ETC. | |
| Summary, etc. | "On the Distribution of Intensity in Stellar Absorption Lines" by Payne-Gaposchkin et al. is a scientific publication written in the early 20th century. This work focuses on the quantitative analysis of the intensity and contours of absorption lines observed in the spectra of various stars, utilizing observational data and new measurement techniques. The document is technical in nature and is intended for readers with a background in astrophysics or astronomy, particularly those interested in stellar atmospheres and spectral analysis. The opening of this publication introduces the significance of studying stellar absorption lines for understanding atomic structure and star atmospheres, while noting a gap between theory and quantitative observation. The authors then outline their methodology: employing the Harvard Observatory's 16-inch refractor with objective prisms and specialized apertures to record spectra of eleven stars across different spectral types. They detail the use of a microphotometer to analyze the spectra and describe procedures to ensure accuracy, such as controlling for focus, stray light, and measurement consistency. Tables and figures present sample data and summarize results, highlighting key findings such as the relationship between a star's brightness and the depth of its absorption lines, and noting that even the deepest lines do not absorb all background light. (This is an automatically generated summary.) |
| 534 ## - ORIGINAL VERSION NOTE | |
| Introductory phrase | Originally published: |
| Publication, distribution, etc. of original | Cambridge: Harvard, 1926 |
| 653 ## - INDEX TERM--UNCONTROLLED | |
| Uncontrolled term | Astrophysics |
| 653 ## - INDEX TERM--UNCONTROLLED | |
| Uncontrolled term | Stars -- Spectra |
| 653 ## - INDEX TERM--UNCONTROLLED | |
| Uncontrolled term | Absorption spectra |
| 700 1# - ADDED ENTRY--PERSONAL NAME | |
| Personal name | Shapley, Harlow, |
| Dates associated with a name | 1885-1972 |
| 830 #0 - SERIES ADDED ENTRY--UNIFORM TITLE | |
| Uniform title | From: Proceedings of the American Academy of Arts and Sciences, 1925-05, Vol. 61, p. 459-486. |
| 856 4# - ELECTRONIC LOCATION AND ACCESS | |
| Uniform Resource Identifier | <a href="https://catalog.hathitrust.org/Record/009551110">https://catalog.hathitrust.org/Record/009551110</a> |
| 856 40 - ELECTRONIC LOCATION AND ACCESS | |
| Uniform Resource Identifier | <a href="https://www.gutenberg.org/ebooks/75914">https://www.gutenberg.org/ebooks/75914</a> |
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