Zobrazeno 1 - 10
of 10
pro vyhledávání: '"[No Value] Pottasch"'
Publikováno v:
Symposium - International Astronomical Union. 209:353-360
The far infrared nebular spectrum provides a valuable complement to the observed lines in other spectral regions. There are several reasons for this, the most important being the large increase in the number of ions observed, and the fact that the ab
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::eb3c76a484a4c404680a1bd507bb1497
https://doi.org/10.1017/s0074180900209005
https://doi.org/10.1017/s0074180900209005
Publikováno v:
Astronomy & astrophysics, 393(1), 285-294. EDP Sciences
The ISO and IUE spectra of the elliptical nebula NGC 5315 is presented. These spectra are combined with the spectra in the visual wavelength region to obtain a complete, extinction corrected, spectrum. The chemical composition of the nebulae is then
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::bd308e04699b16f63a83a0c2deb0bda6
https://doi.org/10.1051/0004-6361:20020986
https://doi.org/10.1051/0004-6361:20020986
Publikováno v:
Astronomy & astrophysics, 380(2), 684-694. EDP Sciences
The ISO and IUE spectra of the elliptical nebulae NGC7662 and NGC6741 are presented. These spectra are combined with the spectra in the visual wavelength region to obtain a complete, extinction corrected, spectrum. The chemical composition of the neb
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f016659bb2b7d903e56dc9f8415eff2e
https://research.rug.nl/en/publications/c9ac5a8e-1168-4877-b6d9-653f8b656f70
https://research.rug.nl/en/publications/c9ac5a8e-1168-4877-b6d9-653f8b656f70
Autor:
D. de Martino, Yoshikazu Nakada, Lsf de Cordoba, P Garcia-Lario, G. Gauba, [No Value] Pottasch, Takahiro Fujii, Mudumba Parthasarathy
Publikováno v:
Astronomy & astrophysics, 376(3), 941-949. EDP Sciences
We present ultraviolet (IUE) and infrared (ISO) observations of the bipolar proto-planetary nebula Hen 401 which, combined with previously available optical and near infrared data, are used to reconstruct the overall spectral energy distribution from
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0914983f2e150e31c12ca38fbf52b5d0
https://research.rug.nl/en/publications/d31df05a-c663-4ab1-98de-227e43c086e8
https://research.rug.nl/en/publications/d31df05a-c663-4ab1-98de-227e43c086e8
Publikováno v:
Structure and Dynamics of the Interstellar medium ISBN: 9783540519560
Les observations spectroscopiques des sources IRAS 14592-6311, IRAS 07173-1733 et IRAS 05506+2414 sont presentees. Les spectres sont analyses. Ces sources sont identifiees comme etoiles pre-sequence principale.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9da6ed68ef077a66587bbc56b102d1ca
https://doi.org/10.1007/bfb0114883
https://doi.org/10.1007/bfb0114883
Autor:
[No Value] Pottasch, Fred Lahuis, Boxhoorn, T deGraauw, Patrick W. Morris, Helmut Feuchtgruber, D. A. Beintema, L. B. F. M. Waters, Pam vanHoof
Publikováno v:
Planetary Nebulae ISBN: 9780792348931
Infrared spectra of NGC 7027 and NGC 6543 ranging from 2.4 μm to 45 μm were obtained with the Short Wavelength Spectrometer on board the Infrared Space Observatory. A first analysis of these spectra, with the aid of photo-ionization models, is pres
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::27ae6581c2b86f5985829b054afcc7ba
https://doi.org/10.1007/978-94-011-5244-0_52
https://doi.org/10.1007/978-94-011-5244-0_52
Publikováno v:
Astrophysics and Space Science. 157:23-29
Via optical low-resolution long slit spectroscopy conducted at the 2.5 m INT in La Palma, He, O, N, Ne, A, and S abundances in 13 extended PN were calculated. The analysis of these results allowed us to infer that the nitrogen and oxygen abundances d
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4123c04faab4791b8220e5fde0a0be9d
https://doi.org/10.1007/bf00637306
https://doi.org/10.1007/bf00637306
Publikováno v:
Astrophysics and Space Science. 156:57-62
We present the first results of a spectroscopy survey of iras sources with colours similar to those of planetary nebulae.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c17c4717a6ab1e29b68aa2e9dc70115f
https://doi.org/10.1007/bf00646345
https://doi.org/10.1007/bf00646345
Publikováno v:
Astrophysical Journal, 278, L41-L43. University of Chicago Press
Astrophysical Journal
Astrophysical Journal
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::fd319710d6bdab2fbb430378ecc0773f
https://hdl.handle.net/1887/6457
https://hdl.handle.net/1887/6457
Publikováno v:
Planetary Nebulae ISBN: 9780792300038
We have detected the central star of NGC 7027 by imaging the nebula through a narrow band ‘continuum’ filter onto the IPCS detector at the 2.5m Isaac Newton Telscope. We obtain an apparent visual magnitude for the central star of mv = 17.7 ± 0.5
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a385a20b5d39d1efea2bf80e5fa22163
https://doi.org/10.1007/978-94-009-0865-9_106
https://doi.org/10.1007/978-94-009-0865-9_106