Wolf-Rayet Stars ... become Wolf-Rayet star is decreased for higher rotation ... A STRIKING OBSERVATIONAL FACTS. Very Helium-rich stars in Centuri ? DY/DZ ...
Luminous Blue Variables. h Car. 100 x. more luminous. in the MIR. Wolf Rayet Stars. Luminous Blue Variables. WNL. N,He,H. WNE. N,He. WC. C, O. H (& He) Burning ...
An Even More Precise View of Aluminum-26 in the Solar Nebula 26Al might have come from: Active stars before the Solar System formed, or Radiation of dust near the ...
Spectro-photographie M thode d imagerie amateur au prisme-objectif Cyril Bazin A St L ger t 2000 Technique de prise de vue Mise en station Pointage et cadrage ...
... (ESO, OHP, CTIO, VLA) and spaceborne (XMM-Newton, Chandra, INTEGRAL) facilities ... XMM-Newton and INTEGRAL studies of the X-ray and soft gamma-ray emission from ...
Guidage et suivi manuel sur une toile guide. D veloppement manuel de ... 5 minutes de suivi balay , film TP2415 non hyper. Prisme de 30 plac devant Lunette 70 mm ...
in spherically-symmetric winds, there should be no net polarisation. ... Here there are two winds: The polarisation amplitude is the total value for both ...
... Katzman Automatic Imaging Telescope (KAIT) at Lick Observatory on Oct. 13, 2006. Swift Ultraviolet/Optical Telescope image of Supernova 2006jc in the galaxy UGC ...
Electric field emitted from one atom which undergoes collisions: E n(t)= E0 cos(?0t fn (t) ... If there is laser emission, the coherence time of light is three or ...
Linear spectropolarimetry. Jorick Vink (Armagh Observatory) Linear ... X ray emission. Questions for Star Formation. Do all stars form by disk accretion? ...
M33 (3 fields) Phoenix. IC 10 IC 1613. NGC 6822 Sextans A. WLM Sextans B. How Are We Doing? ... Phoenix. WLM. What's Next? Spectroscopy! M31. N206 in M31. ob78 ...
If DM is a fermion and coupled to heavy particles ... coupled to light particles (Z' ... Look like SUSY but relationship between the couplings and MF, ...
5 out of 7 stars have essentially solar CNO abundances (weak 3rd dredge-up because of low mass? ... LS V 4621 (=Sh2-216): CNO and He 1-2 dex subsolar ...
Old population ( 2 Gyr): 4000 Ang break and other Lick indices. SSP: spectral evolution ... 5. Lick Indices : age/metallicity. CSF vs IB: RSG features. Mayya ...
Once high mass stars are off the main sequence, they have different post MS ... High mass stars burn many elements and have 'onion-like' shells of material ...
F,G,K,M Stars. John Rayner (IRTF/IfA), Bill Vacca (Sofia-USRA) & Mike Cushing (Steward Obs.) 2 ... We have been using SpeX to construct an infrared ...
LISA spectrograph Long slit Intermediate resolution Spectrograph for Astronomy Performances and application Christian Buil Active Spectroscopy in Astronomy
Gamma ray bursts from binary black holes Agnieszka Janiuk Center for Theoretical Physics, Polish Academy of Sciences, Warsaw Collaboration: Szymon Charzy ski (Warsaw ...
Supernovae, Gamma-Ray Bursts, and Stellar Rotation S. E. Woosley (UCSC) A. Heger (Univ. Chicago) The Neutrino Powered Wind Duncan, Shapiro, and Wasserman (1986) Qian ...
... by treating cleveite with mineral acids. ... Cleveite is an impure ... cleveite. Pierre Jules. Janssen: 1824-1907. Lord Rutherford: 1871-1937. Helium ...
... beam, a shocked cocoon, and a bow shock, and it is narrowly collimated ... with a cocoon surrounding the jet beam and a dense 'plug' at the head of the jet ...
570 nm = 0,000570 mm = 7500 angstr ms. S miniare Aude Mai 2002. 6. Les raies spectrales ... Associer une longueur d'onde un pixel. S miniare Aude Mai 2002. 22 ...
Code developed on the basis of hydrodynamic stellar structure equations for ... Goldreich-Schubert-Fricke instability: oscilatory instability due to temperature ...
Utilisation des mesures de flux IR : I(?) ajustement un mod le thermique (distribution de temp rature) contrainte sur la taille de la source et l'albedo ...
Title: Neutron star masses: dwarfs, giants and neighbors Author: PKSternberg Last modified by: sternberg pk Created Date: 11/26/2005 8:18:07 AM Document presentation ...
Directly - apsidal motion of binaries - stars not point masses tidal torques ... Apsidal motion - stars not point masses so tidal torques cause precession of the ...
... interstellar medium and in various other sites in the Galaxy, they trace stellar ... Correlation between galactic free-free emission and emission at 1.809 Mev ...
as Long Gamma-Ray Burst progenitors Matteo Cantiello - Sterrekundig Instituut Utrecht What s this talk about? Rotation and Massive Stars Chemically Homogeneous ...
Astronomy & Astrophysics. Group Profile. Prof John Brown (Astronomer ... Dr Alec Mackinnon (Dept. of Adult & Cont. Educ.) Dr Graham Woan. Faculty: Research and ...
Some dim stars have names according to their place in a catalogue (e.g. ... Just by looking, we cannot tell if a star is close and dim or far away and bright ...
The Impact of the Galactic Center Arches Cluster: Radio & X-ray Observations ... Canto et al. (2000) predict such a wind. and simulations by Raga et al. (2001) ...
A round or axisymmetric shape, sometimes with multiple shells or outer haloes. ... Silkworm. NGC 6302. Hb 5. Size does matter! 28. 28. A necessary question...
... on stellar yields, which determine Galactic chemical evolution (superior goal) We further restrict to very hot, hydrogen-deficient, post-AGB stars.