Zobrazeno 1 - 8
of 8
pro vyhledávání: '"Foltz, C. B."'
An infrared-selected, narrow-line QSO has been found to exhibit an extraordinarily broad Halpha emission line in polarized light. Both the extreme width (35,000 km/sec full-width at zero intensity) and 3,000 km/sec redshift of the line centroid with
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::47fd5c5d1f20dc2cb0b4c76caf9e86ce
We discuss new high-resolution (6.7 km/s) spectra of the associated absorption lines (AALs) in the radio-loud quasar 3C 191. The measured AALs have ionizations ranging from Mg I to N V, and multi-component profiles that are blueshifted by ~400 to ~14
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3d2f7758dc8213f04c9134796b124ceb
http://arxiv.org/abs/astro-ph/0105337
http://arxiv.org/abs/astro-ph/0105337
We have obtained follow-up observations of the quasar pair LBQS 0107-025A,B and new observations of the nearby quasar LBQS 0107-0232 with the Hubble Space Telescope Faint Object Spectrograph. Extended wavelength coverage of LBQS 0107-025A and B using
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d18b1ded6f3b743e454d47275750c251
http://arxiv.org/abs/astro-ph/0010058
http://arxiv.org/abs/astro-ph/0010058
We have observed a sample of 22 luminous quasars, in the range 2.03.1 objects using NIR spectroscopy.
Comment: 12 pages, Latex, 2 figures, 2 tables, Accepted for publication in ApJ Letters
Comment: 12 pages, Latex, 2 figures, 2 tables, Accepted for publication in ApJ Letters
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3b9c7c2c93d09cd3c08585b26315e378
http://arxiv.org/abs/astro-ph/9904054
http://arxiv.org/abs/astro-ph/9904054
Hubble Space Telescope (HST) colour - magnitude diagrams in B, V and R along with long-slit Multiple Mirror Telescope (MMT) spectrophotometric data are used to investigate the evolutionary status of the nearby blue compact dwarf (BCD) galaxy I Zw 18.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::315f084f82bc32496da515fa947e27db
We have obtained H-band spectra of 32 luminous quasars at 2.095%) differences between the rest-frame optical emission line properties of the BALQSO and nonBALQSO subsamples. This result is consistent with the view that all RQQs have broad-absorption-
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=arXiv_______::3134ba0fca30b62840940f1c5cf388ca
http://arxiv.org/abs/astro-ph/9810287
http://arxiv.org/abs/astro-ph/9810287
We have obtained H-band spectra of 32 luminous quasars at 2.095%) differences between the rest-frame optical emission line properties of the BALQSO and nonBALQSO subsamples. This result is consistent with the view that all RQQs have broad-absorption-
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b40512af4a41f2beb9f31f845c2b970e
Autor:
Peterson, B. M., Berlind, P., Bertram, R., Bochkarev, N. G., Bond, D., Brotherton, M. S., Busler, J. R., Chuvaev, K. K., Cohen, R. D., Dietrich, M., Elvis, M., Filippenko, A. V., Foltz, C. B., Garnavich, P. M., Ho, L. C., Horine, E., Horne, K., Huchra, J. P., Kollatschny, W., Korista, K. T., Malkan, M. A., Matheson, T., Mlgnoli, M., Morris, S. L., Nazarova, L., Pent-Old, J., Peters, J., Pogge, R. W., Pronik, V. I., Rush, B., Sergeev, S. G., Shapovalova, A. I., Shields, J. C., Giovanna Maria Stirpe, Tokarz, S., Wagner, R. M., Weymann, R. J., White, R. J., Wilkes, B. J., Wills, D., Wills, B. J., Winge, C., Younger, P. F.
Publikováno v:
Repositório Institucional da UFRGS
Universidade Federal do Rio Grande do Sul (UFRGS)
instacron:UFRGS
Scopus-Elsevier
Universidade Federal do Rio Grande do Sul (UFRGS)
instacron:UFRGS
Scopus-Elsevier
We report on the results of a continuation of a large monitoring program of optical spectroscopy of the Seyfert 1 galaxy NGC 5548. The new observations presented here were obtained between 1990 December and 1992 October, and extend the existing datab
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::b2c97d4f794abcdd8c9ad69ce7ac0cc9