Abstract

By infrared spectroscopy precise measurements of the wavelengths of forty-three rotational lines in the CO absorption band at 4.67 µ were made. Fifteen lines from <i>J</i>=32 to <i>J</i>=52 in the <i>P</i> branch were measured from the emission spectrum of CO. These data were reduced by the method of least squares, and values of the rotational constants, <i>B</i><sub>0</sub> and <i>D</i><sub>0</sub>, of CO were calculated. A second, slightly less precise set of measurements over approximately the same range of <i>J</i> values was similarly reduced, and combined estimates of the constants were obtained. Using the resulting value of <i>B</i><sub>0</sub> with the value obtained from microwave frequency measurements, the velocity of light was estimated to be 299 792 km/sec. The estimated standard deviation of this value is 6 km/sec.

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  11. W. G. Cochran and S. P. Carroll, Biometrics 9, 447–459 (1953).

Anderson, R. L.

R. L. Anderson and T. A. Bancroft, Statistical Theory in Research (McGraw-Hill Book Company, Inc., New York, 1952).

Bancroft, T. A.

R. L. Anderson and T. A. Bancroft, Statistical Theory in Research (McGraw-Hill Book Company, Inc., New York, 1952).

Birge, R. T.

R. T. Birge, Revs. Modern Phys. 13, 233 (1941); Repts. Progr. in Phys. 8, 92–101 (1941); N. E. Dorsey, Trans. Am. Phil. Soc. 34, Part 1 (1944).

Carroll, S. P.

W. G. Cochran and S. P. Carroll, Biometrics 9, 447–459 (1953).

Cochran, W. G.

W. G. Cochran and S. P. Carroll, Biometrics 9, 447–459 (1953).

Cohen, E. R.

J. W. DuMond and E. R. Cohen, Revs. Modern Phys. 25, 691 (1953).

Douglas, A. E.

A. E. Douglas and D. Sharma, J. Chem. Phys. 21, 448 (1953).

DuMond, J. W.

J. W. DuMond and E. R. Cohen, Revs. Modern Phys. 25, 691 (1953).

Goldberg, Leo

Leo Goldberg and Edith A. Muller, Astrophys. J. 118, 397 (1953).

Muller, Edith A.

Leo Goldberg and Edith A. Muller, Astrophys. J. 118, 397 (1953).

Rank, D. H.

D. H. Rank, J. Opt. Soc. Am. 44, 341 (1954).

Sharma, D.

A. E. Douglas and D. Sharma, J. Chem. Phys. 21, 448 (1953).

Van der Sluis,

Rank, Ruth and Van der Sluis, J. Opt. Soc. Am. 42, 693 (1952).

Other

R. T. Birge, Revs. Modern Phys. 13, 233 (1941); Repts. Progr. in Phys. 8, 92–101 (1941); N. E. Dorsey, Trans. Am. Phil. Soc. 34, Part 1 (1944).

J. W. DuMond and E. R. Cohen, Revs. Modern Phys. 25, 691 (1953).

Rank, Ruth and Van der Sluis, J. Opt. Soc. Am. 42, 693 (1952).

A. E. Douglas and D. Sharma, J. Chem. Phys. 21, 448 (1953).

Leo Goldberg and Edith A. Muller, Astrophys. J. 118, 397 (1953).

Bedard, Gallagher and Johnson, Phys. Rev. 92, 1440 (1953).

Gilliam, Johnson, and Gordy, Phys. Rev. 78, 140 (1950).

Rank, Shearer, and Wiggins, Phys. Rev. 94, 575 (1954).

D. H. Rank, J. Opt. Soc. Am. 44, 341 (1954).

R. L. Anderson and T. A. Bancroft, Statistical Theory in Research (McGraw-Hill Book Company, Inc., New York, 1952).

W. G. Cochran and S. P. Carroll, Biometrics 9, 447–459 (1953).

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