The radial velocities of 116 southern red stars

Details The radial velocities of 116 southern red stars The radial velocities of 116 southern red stars

Jun 1984

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984a%26as...56..449j&link_type=abstract

Astronomy and Astrophysics Supplement Series (ISSN 0365-0138), vol. 56, June 1984, p. 449-455.

Astronomy and Astrophysics

Astrophysics

11

Radial Velocity, Red Giant Stars, Southern Sky, Stellar Motions, Variable Stars, Electrophotometry, Late Stars, M Stars, Semiregular Variable Stars, Stellar Spectrophotometry

Scientific paper

Using a photoelectric speedometer based on the radial velocity spectrometer of Griffin (1967), radial velocities of 116 southern red stars, many of them semi-regular variables, were measured. The instrument was placed at the Newtonian focus of the 130-inch (4.2-m) camera of the Coude spectrograph of the Mount Stromlo 74-inch (1.88-m) reflector. The stellar spectrum was focused on a mask 50 mm in length, designed to match the spectrum of the M-giant Beta Pegasi. The inverse dispersion was 2.5 angstroms per millimeter in the second order. The wavelength range used (5338-5449 angstroms) was chosen because it is between two TiO bands and so suffers less blanketing in M stars. Results are tabulated and compared with standard values.

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