Cyclical accretion regime change in the slow X-ray pulsar 4U 0114+65 observed with Chandra

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Table 5.

Spectral model parameters for the orbital spectra.

Spectra	χ²	N_H	K_bmc	kT_bmc	α	$L_{0.3 - 10 keV}^{bmc}$ $L^{\mathrm{bmc}}_\mathrm{0.3{-}10\,\rm keV}$	R_bmc	K_bb	$L_{0.3 - 10 keV}^{bb}$ $L^{\mathrm{bb}}_\mathrm{0.3{-}10\,\rm keV}$
		(×10²² cm⁻²)	(×10⁻³)	(keV)		(×10³⁴ erg s⁻¹)	(km)		(×10³⁴ erg s⁻¹)
Orb 1	1.0	1.9 ± 0.1	26 $_{- 4}^{+ 3}$ $^{+3}_{-4}$	1.7 ± 0.1	0.018 $_{- 0.003}^{+ 0.004}$ $^{+0.004}_{-0.003}$	46 $_{- 8}^{+ 6}$ $^{+6}_{-8}$	1.4 ± 0.1	0.035 $_{- 0.013}^{+ 0.014}$ $^{+0.014}_{-0.013}$	9 ± 4

Orb 14	1.3	1.3 ± 0.1	0.25 ± 0.01	1.40 $_{- 0.05}^{+ 0.03}$ $^{+0.03}_{-0.05}$	4.0 $_{- 0.8}^{+ 0.0}$ $^{+0.0}_{-0.8}$	4.9 $_{- 0.2}^{+ 0.1}$ $^{+0.1}_{-0.2}$	0.71 ± 0.01	0.027 ± 0.006	6.8 ± 1.6

Orb 31	1.2	2.1 ± 0.2	11.0 $_{- 0.5}^{+ 0.4}$ $^{+0.4}_{-0.5}$	1.50 ± 0.05	0.01 $_{- 0.00}^{+ 0.01}$ $^{+0.01}_{-0.00}$	23 ± 1	1.30 $_{- 0.03}^{+ 0.02}$ $^{+0.02}_{-0.03}$	0.029 ± 0.014	7 ± 4

Orb 32	1.5	23 $_{- 2}^{+ 3}$ $^{+3}_{-2}$	∼1.6	1.8 $_{- 0.5}^{+ 0.2}$ $^{+0.2}_{-0.5}$	4.0 $_{- 3.3}^{+ 0.0}$ $^{+0.0}_{-3.3}$	∼22	∼0.91	0.04 $_{- 0.04}^{+ 0.01}$ $^{+0.01}_{-0.04}$	9 $_{- 9}^{+ 3}$ $^{+3}_{-9}$

Valley combined	1.2	1.5 $_{- 0.4}^{+ 0.5}$ $^{+0.5}_{-0.4}$	0.11 $_{- 0.01}^{+ 0.02}$ $^{+0.02}_{-0.01}$	1.5 $_{- 0.3}^{+ 0.2}$ $^{+0.2}_{-0.3}$	4.0 $_{- 3.1}^{+ 0.0}$ $^{+0.0}_{-3.1}$	2.0 $_{- 0.2}^{+ 0.4}$ $^{+0.4}_{-0.2}$	0.37 $_{- 0.02}^{+ 0.03}$ $^{+0.03}_{-0.02}$	0.012 ± 0.008	3.1 ± 2.0

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