Search: Herschel, John in addressee 
1840-1849::1847 in date 
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Showing 181–200 of 462 items

Herschel404

From:
George Biddell Airy
To:
Sir John Herschel
Date:
[15 May 1847]
Source of text:
RGO 6.193.242
Summary:

Asks JH for measures of several double stars.

Contributor:
John Herschel Project

Herschel4041

From:
William Rowan Hamilton
To:
Sir John Herschel
Date:
[2 October 1847]
Source of text:
unknown
Summary:

The equatorial on the Dublin Observatory dome needs improvement. In the last fifty-two months, WH has seen three new planets: Neptune, Iris, and Flora.

Contributor:
John Herschel Project

Herschel4042

From:
William Rowan Hamilton
To:
Sir John Herschel
Date:
[23 October 1847]
Source of text:
unknown
Summary:

WH notes that quaternions derive some interesting results in problems with three moving bodies.

Contributor:
John Herschel Project

Herschel4152

From:
Unidentified
To:
Sir John Herschel
Date:
[20 September 1847]
Source of text:
Harvard: Houghton
Summary:

Asks JH about calculations of arcs of meridian.

Contributor:
John Herschel Project

Herschel417

From:
George Biddell Airy
To:
Sir John Herschel
Date:
[9 February 1847]
Source of text:
RGO 6.229.87
Summary:

As disturbed about the medal situation as JH [see JH's 1847-2-8]; the solution seems to be to award two medals.

Contributor:
John Herschel Project

Herschel419

From:
George Biddell Airy
To:
Sir John Herschel
Date:
[13 February 1847]
Source of text:
RGO 6.229.99
Summary:

Reports to JH on the discussion, about the medal problem, at an R.A.S. meeting [see JH's 1847-2-11].

Contributor:
John Herschel Project

Herschel4194

From:
William Henry Smyth
To:
Sir John Herschel
Date:
[21 April 1847]
Source of text:
RS:HS 16.296
Summary:

Sends angular results from various astronomers using similar epoches.

Contributor:
John Herschel Project

Herschel420

From:
George Biddell Airy
To:
Sir John Herschel
Date:
[14 February 1847]
Source of text:
RGO 6.229.101
Summary:

More information on the activity of the R.A.S. in trying to resolve the medal problem [see GA's 1847-2-13].

Contributor:
John Herschel Project

Herschel4281

From:
Charles Piazzi Smyth
To:
Sir John Herschel
Date:
[6 March 1847]
Source of text:
RS:HS 16.230
Summary:

W. S. Jacob sends Alpha Centauri observations to R.A.S.; uses JH's Cape Results as a guide to double stars.

Contributor:
John Herschel Project

Herschel4352

From:
John T. Towson
To:
Sir John Herschel
Date:
[22 December 1847]
Source of text:
RS:HS 17.360
Summary:

Thanks JH for suggestion on his method of Great Circle sailing. Further enquires over some cartographic matters.

Contributor:
John Herschel Project

Herschel4367

From:
Ralph Tatham
To:
Sir John Herschel
Date:
[9 February 1847]
Source of text:
RS:HS 17.427a
Summary:

Asks JH to suggest candidates for a professorship at the South African College.

Contributor:
John Herschel Project

Herschel4458

From:
Charles Piazzi Smyth
To:
Sir John Herschel
Date:
[14 July 1847]
Source of text:
RS:HS 16.228
Summary:

Asks if JH observed Gamma Scorpii as a double star; sends observations of it from W. S. Jacob in India. W. S. Jacob observes Neptune.

Contributor:
John Herschel Project

Herschel4460

From:
William Henry Smyth
To:
Sir John Herschel
Date:
[17 April 1847]
Source of text:
RS:HS 16.295
Summary:

Studies two possible orbits of Gamma Virginis; sends complete descriptions of both, including calculation of the apparent and actual ellipse. The first orbit combines the data of other astronomers.

Contributor:
John Herschel Project

Herschel4468

From:
[Benjamin Lewis] Vulliamy
To:
Sir John Herschel
Date:
[27 August 1847]
Source of text:
RS:HS 17.465
Summary:

Sends papers to JH as president of the RAS.

Contributor:
John Herschel Project

Herschel4553

From:
Charles Piazzi Smyth
To:
Sir John Herschel
Date:
[2 August 1847]
Source of text:
RS:HS 16.229
Summary:

Thanks JH for Gamma Scorpii observations. Plans to have Edinburgh Observatory record observations of 2-3000 stars over 30 years. Edinburgh observations for 1841 published.

Contributor:
John Herschel Project

Herschel4616

From:
John Lee
To:
Sir John Herschel
Date:
[1847]
Source of text:
Harvard: Houghton AAH 67m-67 (61)
Summary:

Discusses whether John Couch Adams should receive the Copley Medal for his work in the attempted discovery of Neptune.

Contributor:
John Herschel Project

Herschel4617

From:
John Couch Adams
To:
Sir John Herschel
Date:
[10 November 1847]
Source of text:
RS:HS 1.1
Summary:

Accepting JH's invitation to spend a few days with him. Remarks on planets in general. Information on academic success of Hugh Percy (3rd Duke of Northumberland).

Contributor:
John Herschel Project

Herschel4618

From:
John Couch Adams
To:
Sir John Herschel
Date:
[31 December 1847]
Source of text:
RS:HS 1.2
Summary:

Thanking him for his hospitality.

Contributor:
John Herschel Project

Herschel4629

From:
James Constantine Adamson
To:
Sir John Herschel
Date:
[7 September 1847]
Source of text:
RS:HS 1.13
Summary:

Relating to the appointment of Langham Dale to the staff of the South African College.

Contributor:
John Herschel Project

Herschel4786

From:
George Biddell Airy
To:
Sir John Herschel
Date:
[6 January 1847]
Source of text:
RS:HS 1.176
Summary:

Sends extracts of a letter from H. C. Schumacher. Does not agree with Schumacher regarding F. W. Bessel's 'specific attraction.'

Contributor:
John Herschel Project
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