نتائج البحث

Hubble Space Telescope observations of extended [OIII]λ5007 emission in nearby QSO2s : new constraints on AGN host galaxy interaction

• Authors : Fischer, Travis C.; Kraemer, S. B.; Schmitt, Henrique Roberto

Subjects: Galáxias ativas; Cinemática; Quasars

تفاصيل العنوان

Re-observing the NLS1 galaxy RE J1034+396 – II. New insights on the soft X-ray excess, QPO, and the analogy with GRS 1915+105.

• Authors : Jin, Chichuan; Done, Chris; Ward, Martin

Subjects: ACTIVE galactic nuclei; X-rays; SOFT X rays

• Source: Monthly Notices of the Royal Astronomical Society; Jan2021, Vol. 500 Issue 2, p2475-2495, 21p

تفاصيل العنوان

Simultaneous multiwavelength observations of the second exceptional gamma -ray flare of PKS 2155-304 in July 2006

• Authors : Aharonian, Felix A.; Akhperjanian, Anton G.; Anton, G.

Subjects: ddc:530; ddc:520; ddc:000

• Source: Astronomy & astrophysics

تفاصيل العنوان

A search for a dark matter annihilation signal toward the Canis Major overdensity with H.E.S.S

• Authors : Aharonian, Felix A.; Akhperjanian, Anton G.; de Almeida, U. Barres

Subjects: ddc:530; ddc:520; ddc:000

• Source: The astrophysical journal / 1

تفاصيل العنوان

A periodicity of ∼1 hour in X-ray emission from the active galaxy RE J1034+396.

• Authors : Gierliński, Marek¹ ; Middleton, Matthew¹; Ward, Martin¹

Subjects: *GALAXIES; *SUPERMASSIVE black holes; *GRAVITATIONAL collapse

• Source: Nature. 9/18/2008, Vol. 455 Issue 7211, p369-371. 3p. 3 Graphs.

تفاصيل العنوان

Variability of the coronal line region in NGC 4151.

• Authors : Landt, Hermine¹ ; Ward, Martin J.¹; Steenbrugge, Katrien C.^2,3

Subjects: *ACTIVE galaxies; *NEAR infrared spectroscopy; *PARAMETER estimation

• Source: Monthly Notices of the Royal Astronomical Society. 6/1/2015, Vol. 449 Issue 4, p3795-3805. 11p.

تفاصيل العنوان

AGN with strong forbidden high-ionization lines selected from the Sloan Digital Sky Survey.

• Authors : Gelbord, Jonathan M.; Mullaney, James R.; Ward, Martin J.

Subjects: ACTIVE galactic nuclei; ASTRONOMICAL observations; SPECTRUM analysis

• Source: Monthly Notices of the Royal Astronomical Society; Jul2009, Vol. 397 Issue 1, p172-189, 18p, 6 Charts, 14 Graphs

تفاصيل العنوان

The connection between ultraviolet and X-ray outflows in active galactic nuclei: the case of PDS 456.

• Authors : O'Brien, Paul T.; Reeves, James N.; Simpson, Chris

Subjects: ACTIVE galactic nuclei; ACTIVE galaxies; GALACTIC nuclei

• Source: Monthly Notices of the Royal Astronomical Society: Letters; Jun2005, Vol. 360 Issue 1, pL25-L29, 5p, 3 Graphs

تفاصيل العنوان

Multifrequency observations of the interacting galaxy NGC 4922 (UCM 1259 + 2934).

• Authors : Alonso-Herrero, Almudena¹; Ward, Martin J.²; Aragón-Salamanca, Alfonso³

Subjects: *GALAXIES; *STAR formation; *ASTRONOMICAL observations

• Source: Monthly Notices of the Royal Astronomical Society. 1/21/99, Vol. 302 Issue 3, p561-570. 10p. 2 Charts, 6 Graphs.

تفاصيل العنوان

Extended gas in Seyfert galaxies: near-infrared observations of NGC 2110 and Circinus.

• Authors : Storchi-Bergmann, Thaisa; Winge, Cláudia; Ward, Martin J.

Subjects: GALAXIES; NEAR infrared spectroscopy; ASTRONOMICAL observations

• Source: Monthly Notices of the Royal Astronomical Society; 3/21/99, Vol. 304 Issue 1, p35-46, 12p, 1 Chart, 29 Graphs

تفاصيل العنوان