Results 91 to 100 of about 335 (184)

Binary [WR] and wels central stars of planetary nebulae

, 2010
A sample of 33 [WR] and wels (weak emission-line central stars) central stars of planetary nebulae was observed in order to search for binary nuclei. One close binary system was discovered. The central star of PN G. 222.8 - 04.2 is the first [WR] star in
Gesicki, K., Hajduk, M., Zijlstra, A. A.; id_orcid   +2 more
core   +1 more source

Les spectres de treize nébuleuses planétaires et de leurs noyaux [PDF]

, 1952
New observational data on the spectra of thirteen planetary nebulae and their nuclei are given. New nuclei of the WOLF-RAYET type containing both nitrogen and carbon have been found. Previously adopted WOLF-RAYET designations have been modified.
Swings, Polydore, Swensson, J.-W.
core  

Turbulent outflows from [WC]-type nuclei of planetary nebulae

, 2001
Using spectroscopic observations taken at the Observatoire de Haute-Provence (France) and the Observatoire du mont Mégantic (Canada), we describe wind fluctuations in the [WC 8]-type central star of the planetary nebula NGC ...
Y. Grosdidier, A. Acker, A. F. J. Moffat
core   +1 more source

Overview of the LAMOST survey in the first decade. [PDF]

Innovation (Camb), 2022
Yan H, Li H, Wang S, Zong W, Yuan H, Xiang M, Huang Y, Xie J, Dong S, Yuan H, Bi S, Chu Y, Cui X, Deng L, Fu J, Han Z, Hou J, Li G, Liu C, Liu J, Liu X, Luo A, Shi J, Wu X, Zhang H, Zhao G, Zhao Y.   +26 more
europepmc   +1 more source

Nucleation experiments on a titanium-carbon system imply nonclassical formation of presolar grains. [PDF]

Sci Adv, 2023
Kimura Y, Tanaka KK, Inatomi Y, Aktas C, Blum J.   +4 more
europepmc   +1 more source

Infrared spectra of WC10 planetary nebulae nuclei

, 1986
The 5.2 to 8.0 micron spectra are presented for two planetary nebulae nuclei Hen1044 (He2-113) and CPD-56 8032. The unidentified infrared (UIR) emission bands at 6.2 microns, 6.9 microns, 7.7 microns are present in the spectra of Hen1044 and in CPD-56 ...
Bregman, J. D., Witteborn, F. C., Cohen, M., Wooden, D. H., Rank, D. M., Tielens, G. G. M., Allamandola, L. J.   +6 more
core  

Galactic Planetary Nebulae with Wolf-Rayet Nuclei III. Kinematical Analysis of a Large Sample of Nebulae

, 2006
International audienceExpansion velocities (V_{exp}) of different ions and line widths at the base of the lines are measured and analyzed for 24 PNe with [WC]-type nuclei (WRPNe), 9 PNe ionized by WELS (WLPNe) and 14 ordinary PNe.
Stasinska, Grazyna, Morisset, Christophe, Medina, S., Peña, Miriam   +3 more
core  

87th Annual Meeting of the Meteoritical Society 2025: Contents

Meteoritics &Planetary Science, Volume 60, Issue S1, Page 2-29, August 2025.
wiley   +1 more source

Amino acid gas phase circular dichroism and implications for the origin of biomolecular asymmetry. [PDF]

Nat Commun, 2022
Meinert C, Garcia AD, Topin J, Jones NC, Diekmann M, Berger R, Nahon L, Hoffmann SV, Meierhenrich UJ.   +8 more
europepmc   +1 more source

87th Annual Meeting of the Meteoritical Society 2025: Abstracts

Meteoritics &Planetary Science, Volume 60, Issue S1, Page 30-350, August 2025.
wiley   +1 more source