observational overview of state transitions in x-ray binaries

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LONG-TERM LIGHT CURVES 4U 1543-47 GRO J1655-40 RXTE All-Sky Monitor H1743-332 GX 339-4 Here I show a few examples of long-term light curves from the All-Sky monitor on RXTE. As you can see there is quite a variety in the duty cycle of these systems and also in the length and brightness of the outbursts of individual sources. The general consensus is the longterm transient behavior is the result of instabilities in the outer disk, just as in dwarf novae.
OUTBURST LIGHT CURVES 4U 1543-47 GRO J1655-40 RXTE/PCA GX 339-4 H1743-322 Here I show a few examples of individual outbursts as observed with the RXTE/PCA. The large variety in outburst shapes is obvious. Outbursts typically last from a few weeks to a year. Some show a very fast rise to their peak, while in other sources it is much slower. Others show multiple peaks or very irregular shapes. Strong flaring, like shown here in GRO J1655-40 and H1743-322, is typically only seen in the brightest outbursts, which go above, say 20% Eddington.
Page 1 and 2: !""#$%&'()*#'"$++$+)&(),-#!.+/ 4566
Page 3 and 4: MORE BACKGROUND • 1996>: Dedicate
Page 5: TRANSIENT SOURCES • Relation betw
Page 9 and 10: ENERGY DEPENDENCE This movie (Homan
Page 11 and 12: SPECTRAL EVOLUTION GX 339-4 First I
Page 13 and 14: COLOR EVOLUTION hardness-intensity
Page 15 and 16: Luminosity (erg/s) SPECTRAL EVOLUTI
Page 17 and 18: XTE J1752-223 XTE J1908+094 SPECTRA
Page 19 and 20: SPECTRAL EVOLUTION GRO J1655-40 I
Page 21 and 22: SPECTRAL EVOLUTION GRO J1655-40 We
Page 23 and 24: SPECTRAL EVOLUTION GX 339-4 Transit
Page 25 and 26: IMPLICATIONS FOR ACCRETION • outb
Page 27 and 28: STATE CLASSIFICATION • Various cl
Page 29 and 30: RAPID X-RAY VARIABILITY • power d
Page 31 and 32: • low-luminosity version of the h
Page 33 and 34: INTERMEDIATE STATE Intermediate (tr
Page 35 and 36: RAPID X-RAY VARIABILITY Okay, let
Page 37 and 38: Power type-B frequency up 1 10 100
Page 39 and 40: No Compact Jet (interaction with IS
Page 41 and 42: GRO J1655-40 weak abs. lines weak e
Page 43 and 44: Aql X-1 NEUTRON STARS hard - soft -
Page 45 and 46: Aql X-1 Back to the HID again. NEUT
Page 47 and 48: hard transitional Lin et al. 2009 H
Page 49 and 50: Lin et al. 2009 Homan et al. 2010 N

observational overview of state transitions in x-ray binaries

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