Archival records from Variable star observations by Alexander William Roberts for the period 1891-1933 (EAP1190-1-1)
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Showing 1 to 15 of 95 results
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A. W. Roberts' variable star observations for 1908
Original observations for the period 1908 January 01 to 1908 September 24. Includes comments about clock times. Previously listed as R023. Split…
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A. W. Roberts' variable star observations for 1904 (Part 1 of 2)
Original observations for the period 1904 January 07 to 1904 June 14, as well as a few pages with notes. Previously listed as R046. Split into two…
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A. W. Roberts' variable star observations for 1904 (Part 2 of 2)
Original observations for the period 1904 June 14 to 1904 November 05. Includes notes about clock time. Previously listed as R046. Split into two…
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A. W. Roberts' variable star observations for 1905 (Part 1 of 2)
Original observations for the period 1905 March 17 to 1905 June 10. Includes notes about clock time. Previously listed as R042. Split into two…
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A. W. Roberts' variable star observations for 1905 (Part 2 of 2)
Original observations for the period 1905 June 10 to 1905 December 30. Includes notes about clock time. Previously listed as R042. Split into two…
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A. W. Roberts' variable star observations for 1910 (Part 1 of 2)
Summary of observations made between 1910 January 29 and 1910 June 03. Several comments about clock time. Previously listed as R013. Found in a…
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A. W. Roberts' variable star observations for 1910 (Part 2 of 2)
Summary of observations made between 1910 June 03 and 1910 December 26. Several comments about clock time. Previously listed as R013. Found in a…
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A. W. Roberts' variable star observations for 1917
Summary of observations made between 1917 January 10 and 1917 December 22. Several comments about clock time. Previously listed as R013. Found in a…
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A. W. Roberts' variable star observations for 1901 (Packet B) (Part 1 of 2)
Summary of observations made between 1901 April 18 and 1901 June 13. Previously listed as R030. Found in a bundle (T 28 mm) in a Waltons storage…
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A. W. Roberts' variable star observations for 1901 (Packet B) (Part 2 of 2)
Summary of observations made between 1901 June 13 and 1901 July 24. Previously listed as R030. Found in a bundle (T 28 mm) in a Waltons storage box…
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A. W. Roberts' handwritten notes and observations of S Normae
Observations of S Nor (5823). On one cover sheet the star is designated "R [deleted] S Normae. 5823". Includes notes, diagrams, graphs (…
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A. W. Roberts' handwritten notes and observations of AF Carinae and RR Carinae
Observations of AF Carinae (Ch 3663a, CD -58°3107) and RR Carinae (Ch 3569, AGC 13624). RR Car draft article, notes, calculations and observations…
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A. W. Roberts' handwritten notes and observations of T Tucanae
Observations of T Tuc (Ch 8124, CPD -62°6358). Includes notes, diagrams, draft articles, observations (1904 June 08 to 1916 December 24), and a…
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A. W. Roberts Miscellaneous Papers No. 10 (Part 1 of 2)
Collection of essays, letters, and notes by A.W. Roberts. Most are undated. Except for one, all items are astronomically themed, mostly about…
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A. W. Roberts Miscellaneous Papers No. 10 (Part 2 of 2)
An undated collection of papers, which, with a single exception, are astronomically themed, mostly about variable stars. The single exception is…
