The Discovery of a High-Redshift X-Ray-Emitting QSO Very Close to the Nucleus of NGC 7319

The Discovery of a High-Redshift X-Ray-Emitting QSO Very Close to the Nucleus of NGC 7319

A strong X-ray source only 8" from the nucleus of the Seyfert 2 galaxy NGC 7319 in Stephan's Quintet has been discovered by Chandra. We have identified the optical counterpart and show that it is a QSO with z sub(e) = 2.114. It is also an ultraluminous X-ray source with L sub(X) = 1.5 x 10...

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Veröffentlicht in:The Astrophysical journal 2005-02, Vol.620 (1), p.88-94
Hauptverfasser: Galianni, Pasquale, Burbidge, E. M, Arp, H, Junkkarinen, V, Burbidge, G, Zibetti, Stefano
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container_start_page 88
container_title The Astrophysical journal
container_volume 620
creator Galianni, Pasquale
Burbidge, E. M
Arp, H
Junkkarinen, V
Burbidge, G
Zibetti, Stefano
description A strong X-ray source only 8" from the nucleus of the Seyfert 2 galaxy NGC 7319 in Stephan's Quintet has been discovered by Chandra. We have identified the optical counterpart and show that it is a QSO with z sub(e) = 2.114. It is also an ultraluminous X-ray source with L sub(X) = 1.5 x 10 super(40) ergs s super(-1). From the optical spectra of the QSO and the interstellar gas of NGC 7319 together, we show that it is very likely that the QSO is interacting with the interstellar gas.
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title The Discovery of a High-Redshift X-Ray-Emitting QSO Very Close to the Nucleus of NGC 7319
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