Spectrographic observations of six radio sources
Radio sources spectroscopy, discussing central density and mass of elliptical galaxy NGC 3998 and red shifts of radio galaxies
Demoulin, M.-H.↗
Engineering topics
Demoulin, M.-H.
Publications and source records attributed to Demoulin, M.-H..
IC 3258 - A small extragalactic object with a blueshift.
IC 3258 emission line spectrum observations, discussing blueshift, extragalactic location, possible nature, etc
Burbidge, E. M.↗
A very high-velocity gas cloud near the nucleus of NGC 4939.
High radial velocity gas cloud near Seyfert type galaxy NGC 4939 nucleus investigated spectroscopically
Burbidge, E. M.↗
Observations of galaxies with large amounts of dust. I - The Galaxy NGC 7625.
Spectra of peculiar S zero galaxy NGC 7625 with irregular dust distribution, discussing central spheroid rotation and mass
Demoulin, M.-H.↗
Observations of galaxies with large amounts of dust. II - Rotation and mass of NGC 3593.
Galaxy NGC 3593 with large amounts of interstellar dust, calculating galactic mass and central density
Demoulin, M.-H.↗
Observations of galaxies with large amounts of dust. III - Velocity field in NGC 3077.
Irregular galaxy NGC 3077 with interstellar dust, measuring velocity field by spectroscopy
Demoulin, M.-H.↗
Rotation and mass of the galaxy NGC 6574.
Rotation curve, mass and M/L ratio of Sc galaxy NGC 6574, discussing nucleus and systemic velocity
Chan, Y. W. T.↗
The peculiar galaxy NGC 4194.
NGC 4194 galaxy emission line spectrum analysis showing presence of highly excited gas in nucleus and in bright central region similar to NGC 7714
Demoulin, M.-H.↗
On the nature of the optical flux from extragalactic systems.
Optical radiation from galaxies, discussing starlight, nonthermal flux and radiation from hot gas
Burbidge, G. R.↗
Non-thermal optical radiation from galaxies.
Nonthermal optical flux from galaxies, estimating total flux emitted and spectral energy distribution
Burbidge, G. R.↗
The peculiar galaxy NGC 7714.
NGC 7714 galaxy emission line spectrum indicating strong excitation and velocity gradients in excited gas due to rotation
Burbidge, E. M.↗
On the remarkable spectroscopic complexities of Cyg X-2.
Cyg X-2 radial velocity variation measured from Ca II, He II and Ca I absorption lines
Demoulin, M.-H.↗