Discovery and statistics of Be stars

In 1960, the authors have started at the La Plata Observatory a survey of bright B stars (m ≤ 6.5, δ< 0°, HD Spectral type 09-B5) for the discovery of emission in Hα. A two prism spectrograph attached to the 80 cm La Plata telescope was used, with a camera giving a dispersion of 180 A/mm. The sli...

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Autores principales: Jaschek, Carlos, Jaschek, Mercedes, Kucewicz, Boris
Formato: Articulo
Lenguaje:Inglés
Publicado: 1962
Materias:
Ciencias Astronómicas
B stars
spectrograph
Acceso en línea:http://sedici.unlp.edu.ar/handle/10915/77002
Aporte de:
SEDICI (UNLP) de Universidad Nacional de La Plata
id I19-R120-10915-77002
record_format dspace
spelling I19-R120-10915-770022024-05-23T18:57:22Z http://sedici.unlp.edu.ar/handle/10915/77002 Discovery and statistics of Be stars Jaschek, Carlos Jaschek, Mercedes Kucewicz, Boris 1962 2019-06-24T17:14:11Z en Ciencias Astronómicas B stars spectrograph In 1960, the authors have started at the La Plata Observatory a survey of bright B stars (m ≤ 6.5, δ< 0°, HD Spectral type 09-B5) for the discovery of emission in Hα. A two prism spectrograph attached to the 80 cm La Plata telescope was used, with a camera giving a dispersion of 180 A/mm. The slit was opened as much as possible in order to shorten the exposure times; as a consequence the region of good definition on the plates comprises only from 6000 to 6700 A. Asociación Argentina de Astronomía Articulo Articulo http://creativecommons.org/licenses/by-nc-sa/4.0/ Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0) application/pdf 37-41
institution Universidad Nacional de La Plata
institution_str I-19
repository_str R-120
collection SEDICI (UNLP)
language Inglés
topic Ciencias Astronómicas
B stars
spectrograph
spellingShingle Ciencias Astronómicas
B stars
spectrograph
Jaschek, Carlos
Jaschek, Mercedes
Kucewicz, Boris
Discovery and statistics of Be stars
topic_facet Ciencias Astronómicas
B stars
spectrograph
description In 1960, the authors have started at the La Plata Observatory a survey of bright B stars (m ≤ 6.5, δ< 0°, HD Spectral type 09-B5) for the discovery of emission in Hα. A two prism spectrograph attached to the 80 cm La Plata telescope was used, with a camera giving a dispersion of 180 A/mm. The slit was opened as much as possible in order to shorten the exposure times; as a consequence the region of good definition on the plates comprises only from 6000 to 6700 A.
format Articulo
Articulo
author Jaschek, Carlos
Jaschek, Mercedes
Kucewicz, Boris
author_facet Jaschek, Carlos
Jaschek, Mercedes
Kucewicz, Boris
author_sort Jaschek, Carlos
title Discovery and statistics of Be stars
title_short Discovery and statistics of Be stars
title_full Discovery and statistics of Be stars
title_fullStr Discovery and statistics of Be stars
title_full_unstemmed Discovery and statistics of Be stars
title_sort discovery and statistics of be stars
publishDate 1962
url http://sedici.unlp.edu.ar/handle/10915/77002
work_keys_str_mv AT jaschekcarlos discoveryandstatisticsofbestars
AT jaschekmercedes discoveryandstatisticsofbestars
AT kucewiczboris discoveryandstatisticsofbestars
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