Accreting Black Holes and Neutron Stars: a Unified View. Teo Muñoz Darias. Instituto de Astrofísica de Canarias
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1 Accreting Black Holes and Neutron Stars: a Unified View Teo Muñoz Darias Instituto de Astrofísica de Canarias
2 (Low Mass) X-ray Binaries Low-mass star transferring matter onto Black Hole / Neutron Star via accretion disc Changes occur in human time scales! 2
3 BLACK HOLES are TRANSIENT Quiescence / Outburst see e.g. Casares & Jonker 204 see e.g. Fender & Muñoz-Darias 205 Credit: R. Hynes Credit: R. Hynes Masses of BH, NS Accretion Processes General Relativity
4 Black Holes in Outburst (active) Credit: R. Hynes Corona Jet Accretion disc Companion star Corona: Hard X-rays (up to 00 kev-mev) Accretion disc: Soft X-rays (few kev) to Infrared Jet: Radio to infrared/optical to high-energies(?) [NOT ALWAYS]
5 DISTINCTIVE ACCRETION/OUTFLOW PROPERTIES Disc dominates kev 00 kev Corona dominates kev 00 kev 0.0 X-ray Colour / Variability
6 DISTINCTIVE ACCRETION/OUTFLOW PROPERTIES Disc dominates kev 00 kev Corona dominates kev 00 kev Compact jet 0.0 X-ray Colour / Variability
7 DISTINCTIVE ACCRETION/OUTFLOW PROPERTIES Disc Relativistic dominates ejections (e.g. Mirabel & Rodriguez 994) kev 00 kev Corona dominates kev 00 kev Compact jet 0.0 X-ray Colour / Variability
8 DISTINCTIVE ACCRETION/OUTFLOW PROPERTIES Disc Relativistic dominates ejections (e.g. Mirabel & Rodriguez 994) kev 00 kev Corona dominates kev 00 kev Compact jet 0.0 X-ray Colour / Variability
9 DISTINCTIVE ACCRETION/OUTFLOW PROPERTIES Disc dominates kev 00 kev Corona dominates kev 00 kev Compact jet Soft State: NO JET (e.g. Russell et al 20) 0.0 X-ray Colour / Variability
10 DISTINCTIVE ACCRETION/OUTFLOW PROPERTIES Disc dominates Winds: a new key ingredient (e.g. Ponti et al. 202) kev 00 kev Corona dominates kev 00 kev Compact jet Soft State: NO JET (e.g. Russell et al 20) 0.0 X-ray Colour / Variability
11 DISTINCTIVE ACCRETION/OUTFLOW PROPERTIES Disc dominates Winds: a new key ingredient (e.g. Ponti et al. 202) kev 00 kev Corona dominates kev 00 kev Compact jet Soft State: NO JET (e.g. Russell et al 20) 0.0 Nielsen & Lee 202 X-ray Colour / Variability
12 THE BALANCE OF POWER Fender & Muñoz-Darias 205 (in Astrophysical Black Holes, Lecture Notes in Physics. Springer 205)
13 THE BALANCE OF POWER Fender & Muñoz-Darias 205
14 THE BALANCE OF POWER Fender & Muñoz-Darias 205 It might be fundamental in the outburst evolution
15 INTERMEDIATE 0.0 X-ray Colour / variability
16 INTERMEDIATE How about Neutron Stars?! 0.0 X-ray Colour / variability
17 NEUTRON STARS LOOK DIFFERENT... Atolls Z sources van der Klis 2006 (Hasinger & van der Klis 989) Spectral fitting (more) degenerate. Extra component from the NS surface Very similar Timing properties than BHs (Wijnands & van der Klis 999; Belloni, Psaltis & van der Klis 2002).
18 NEUTRON STARS LOOK DIFFERENT... FAINT NS (~-50% LEDD) BRIGHT NS (up to LEDD) van der Klis 2006 (Hasinger & van der Klis 989) After the transient XTE J (e.g. Lin, Remillard & Homan 2009)
19 BH - NS states in X-ray Binaries (Muñoz-Darias et al. 204) INTERMEDIATE Bright NS Faint NS 0.0 5% 20% Variability (rms)
20 BH - NS states in X-ray Binaries (Muñoz-Darias et al. 204) INTERMEDIATE Thermal / Comptonization (Lin et al. 2009) Bright NS Faint NS 0.0 5% 20% Variability (rms)
21 BH - NS states in X-ray Binaries (Muñoz-Darias et al. 204) INTERMEDIATE Radio Flares NS Radio behaviour Migliari & Fender (2006) Bright NS Faint NS 0.0 5% 20% Variability (rms)
22 BH - NS states in X-ray Binaries (Muñoz-Darias et al. 204) INTERMEDIATE Radio Flares NS Radio behaviour Migliari & Fender (2006) Steady Jet Bright NS Faint NS 0.0 5% 20% Variability (rms)
23 BH - NS states in X-ray Binaries (Muñoz-Darias et al. 204) INTERMEDIATE Wind? Radio Flares NS Radio behaviour Migliari & Fender (2006) Steady Jet Bright NS Faint NS 0.0 5% 20% Variability (rms)
24 STATE JET-WIND CONNECTION IN NS EXO Ponti, Muñoz-Darias & Fender 204
25 STATE JET-WIND CONNECTION IN NS EXO Ponti, Muñoz-Darias & Fender 204
26 SUMMARY: BH - NS states in X-ray Binaries INTERMEDIATE Wind Radio Flares Steady Jet Bright NS Faint NS 0.0 5% 20% Variability (rms)
27 SUMMARY: BH - NS states in X-ray Binaries INTERMEDIATE Wind Radio Flares Steady Jet Bright NS GRS (BH) Faint NS 0.0 5% 20% Variability (rms)
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