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Browsing M.K. Vainu Bappu ( 1960 - 1982 ) by Issue Date

Browsing M.K. Vainu Bappu ( 1960 - 1982 ) by Issue Date

Now showing items 1-20 of 113

The effect of colour on the visual observation of long-period variable stars

Bappu, M. K. V (Indian Academy of Sciences, 1946-01)
On the visual light curve of RT. Eridani

Bappu, M. K. V (Indian Academy of Sciences, 1946-07)
Harvard announcement cards: 1006, 1007, 1008

Bappu, M. K. V (Harvard, 1949-07)
On the light curves of RX Librae and TV Canis Majoris

Bappu, M. K. V (1950)
The Spectrum of the Light of the Night Sky during the Recent Sunspot Maximum.

Bappu, M. K. V (American Astronomical Society, 1950-01)
A spectroscopic study of Wolf-Rayet stars

Bappu, M. K. V (American Astronomical Society, 1951-10)
The nature of comets

Bappu, M. K. V (Astronomical Society of the Pacific, 1952)
Spectroscopic study of amethyst quartz in the visible region

Bappu, M. K. V (Indian Association for the Cultivation of Science, 1952)

In this paper a detailed study is made of the absorption of light in the visible region by amethyst quartz. It is found that in the visible region, an absorption band, the so called F-band appears, which decreases in ...
The variation of emission line-intensities in CQ Cephei

Bappu, M. K. V (American Astronomical Society, 1952-04)
Spectroscopic study of amethyst quartz in the ultraviolet and infrared regions

Bappu, M. K. V (Indian Association for the Cultivation of Science, 1953)

In this paper a study is made of the absorption of light in the ultravia!rt end infrared regions in amethyst quartz. In the ultraviolet the presence of the V-band is masked by the presence of iron impurity and it is ...
On the photoconductivity of amethyst quartz

Bappu, M. K. V (Calcutta University Press, 1953-12)

This paper describes an investigation of the photoconducting nature of amethyst quartz. Measurements of photocurreut were made for varying voltages, intensities, radiations and temperatures. A spectral sensitivity curve ...
Magnitudes and colours of some members of the Perseus Cluster

Bappu, M. K. V (Royal Astronomical Society, 1954)

Photoelectric colours and magnitudes have been determined for twenty-five stars considered to be members of the moving cluster in Perseus. A distance modulus of 6m.83, corresponding to a distance of 230 ps, has been derived. ...
A photoelectric study of early-type supergiants around h and χ Persei

Bappu, M. K. V (Royal Astronomical Society, 1954)
Chromospheric phenomena in Wolf-Rayet stars and stars of spectral types F, G, K, M

Bappu, M. K. V (Indian Mathematical Society, 1954)
Emission-line profiles from expanding envelopes

Bappu, M. K. V; Menzel, D. H (University of Chicago Press, 1954-05)

We have developed a method for calculating the emission-line profiles from an expanding envelope. The method applies to an envelope where the emission intensity varies with latitude. Some typically illustrative cases are ...
Observations of Mars

Bappu, M. K. V (1956-09)
H and K emission in late-type stars: Dependence of line width on luminosity and related topics

Wilson, O. C; Bappu, M. K. V (University of Chicago Press, 1957-05)
Physical conditions in Wolf-Rayet atmospheres

Bappu, M. K. V (1957-10)

A critical discussion of present-day knowledge regarding the Wolf-Rayet atmosphere is presented. It is shown that the large widths usually ascribed to the emission lines are formed by heavy blending, and that the individual ...
Polarization of Comet Arend-Roland

Bappu, M. K. V; Sinvhal, S. D (Nature Publishing Group, 1957-12)
Optical Tracking of Artificial Satellites

Bappu, M. K. V (NISCAIR, 1958)

Browsing M.K. Vainu Bappu ( 1960 - 1982 ) by Issue Date

Browsing M.K. Vainu Bappu ( 1960 - 1982 ) by Issue Date

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