onr:"swepub:oai:DiVA.org:uu-197172"
Sökning: onr:"swepub:oai:DiVA.org:uu-197172" > Spectroscopic monit...
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| Fältnamn | Indikatorer | Metadata |
|---|---|---|
| 000 | 03723naa a2200853 4500 | |
| 001 | oai:DiVA.org:uu-197172 | |
| 003 | SwePub | |
| 008 | 130318s1993 | |||||||||||000 ||eng| | |
| 024 | 7 | a https://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-1971722 URI |
| 040 | a (SwePub)uu | |
| 041 | a engb eng | |
| 042 | 9 SwePub | |
| 072 | 7 | a ref2 swepub-contenttype |
| 072 | 7 | a art2 swepub-publicationtype |
| 100 | 1 | a Wanders, I.4 aut |
| 245 | 1 0 | a Spectroscopic monitoring of active galactic nuclei. II. The Seyfert-1 galaxy NGC 3516 |
| 264 | 1 | c 1993 |
| 338 | a print2 rdacarrier | |
| 520 | a The authors present the results of a five month spectroscopic monitoring campaign of the Seyfert-1 galaxy NGC 3516. Using a new calibration method and applying a correction for seeing differences during the various observations they can scale the spectra to each other with a much higher accuracy than hitherto achieved. NGC 3516 shows large amplitude variations on a time scale of several weeks. Asymmetric profile variations occur on the same time scale as the continuum variations. The authors show the presence of a varying dip on the blue wing of the Hbeta profile, which is not present on the Halpha profile, and which corresponds to the absorption features previously seen in the UV emission lines of NGC 3516. From cross-correlation analysis they find a time lag of 14plusmn2 days for the Halpha and 7plusmn3 days for the Hbeta emission-line response to continuum variations | |
| 650 | 7 | a NATURVETENSKAPx Fysikx Astronomi, astrofysik och kosmologi0 (SwePub)103052 hsv//swe |
| 650 | 7 | a NATURAL SCIENCESx Physical Sciencesx Astronomy, Astrophysics and Cosmology0 (SwePub)103052 hsv//eng |
| 653 | a Experimental/ astronomical spectra | |
| 653 | a Seyfert galaxies | |
| 653 | a visible astronomical observations/ AD 1990 01 to 06 | |
| 653 | a visible | |
| 653 | a spectra | |
| 653 | a Seyfert-1 galaxy | |
| 653 | a NGC 3516 | |
| 653 | a calibration method | |
| 653 | a correction for seeing | |
| 653 | a amplitude | |
| 653 | a profile variations | |
| 653 | a Hbeta | |
| 653 | a Halpha profile | |
| 653 | a cross-correlation analysis | |
| 653 | a time lag | |
| 653 | a emission-line response | |
| 653 | a continuum variations | |
| 653 | a 14 d | |
| 653 | a 7 d | |
| 653 | a H/ A9850R Active and peculiar galaxies A9850G Radiation and spectra of galaxies A9580J Photographic region astronomical observations/ time 1.2E+06 s | |
| 653 | a time 6.0E+05 s/ H/el | |
| 700 | 1 | a van Groningen, E.4 aut |
| 700 | 1 | a Alloin, D.4 aut |
| 700 | 1 | a Aretxaga, I.4 aut |
| 700 | 1 | a Axon, D.4 aut |
| 700 | 1 | a de Bruyn, A. G.4 aut |
| 700 | 1 | a Clavel, J.4 aut |
| 700 | 1 | a Dietrich, M.4 aut |
| 700 | 1 | a Goad, M. R.4 aut |
| 700 | 1 | a Gondhalekar, P.4 aut |
| 700 | 1 | a Horne, K.4 aut |
| 700 | 1 | a Jackson, N.4 aut |
| 700 | 1 | a Kollatschny, W.4 aut |
| 700 | 1 | a Laurikainen, E.4 aut |
| 700 | 1 | a Lawrence, A.4 aut |
| 700 | 1 | a Masegosa, J.4 aut |
| 700 | 1 | a O'Brien, P. T.4 aut |
| 700 | 1 | a del Olmo, A.4 aut |
| 700 | 1 | a Penston, M. V.4 aut |
| 700 | 1 | a Perea, J.4 aut |
| 700 | 1 | a Perez, E.4 aut |
| 700 | 1 | a Perez-Fournon, I.4 aut |
| 700 | 1 | a Perry, J. J.4 aut |
| 700 | 1 | a Robinson, A.4 aut |
| 700 | 1 | a Rodriguez Espinosa, J. M.4 aut |
| 700 | 1 | a Stirpe, G. M.4 aut |
| 700 | 1 | a Tadhunter, C.4 aut |
| 700 | 1 | a Terlevich, R.4 aut |
| 700 | 1 | a Unger, S.4 aut |
| 700 | 1 | a Wagner, S. J.4 aut |
| 700 | 1 | a Williams, R.4 aut |
| 773 | 0 | t Astronomy and Astrophysicsg 269:1-2, s. 39-5353q 269:1-2<39-5353x 0004-6361x 1432-0746 |
| 856 | 4 8 | u https://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-197172 |
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