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The LBV nature of Romano's star (GR 290) in M 33

Autor: Polcaro V. F. 1, Gualandi R. 2, Norci L. 3, Rossi C. 4, Viotti R. 5

Publikováno v: 411 (2003): 193–196.
info:cnr-pdr/source/autori:Polcaro V. F. 1, Gualandi R. 2, Norci L. 3, Rossi C. 4, Viotti R. 5/titolo:The LBV nature of Romano's star (GR 290) in M 33/doi:/rivista:/anno:2003/pagina_da:193/pagina_a:196/intervallo_pagine:193–196/volume:411

We report the first spectroscopic study of the LBV candidate GR 290 in M 33 (``Romano's star'') taken in February 2003, showing, besides prominent hydrogen and He I emission lines, the 4630-60 Å blend and weak He II 4686 Å emission typical of Of st

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=cnr_________::2a5f7fdf3f4c9d7f82b65664fa87fae0
https://publications.cnr.it/doc/5781

A spectrographic study of the symbiotic system Hen 1761

Autor: L. G. García, Estela Brandi, N. Beltran, Rodolfo H. Barbá

Publikováno v: SEDICI (UNLP)
Universidad Nacional de La Plata
instacron:UNLP

This work presents the results of a spectroscopic study in the optical and near infrared region of the symbiotic star Hen 1761. Relative fluxes and radial velocities of emission and absorption lines are obtained on the basis of low, intermediate and

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a3418d4c32e15d45d7c767b189031533
http://sedici.unlp.edu.ar/handle/10915/123146

NEBULAR EMISSION-LINES IN IRAS 10215-5916

Autor: GARCIALARIO, P, MANCHADO, A, PARTHASARATHY, M, POTTASCH, [No Value]

Publikováno v: Astronomy & astrophysics, 285(1), 179-184. EDP Sciences

From low and high resolution spectroscopic observations of IRAS 10215 - 5916 we have discovered the presence of nebular emission lines in this G-type supergiant star in the post-AGB stage. From its high resolution spectrum we derived an expansion vel

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=narcis______::d3b7ae8ef45cbe052220922d3fe708c2
https://research.rug.nl/en/publications/5f1bc092-6a1d-4493-842c-716561a71c41

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