INTEGRAL and Swift observations of the hard X-ray transient MAXI J1828-249

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Volume 563 (March 2014)

A&A, 563 (2014) A124

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Table 1

Results of the broad-band spectral analysis.

Data^a

Exposures

N _H ^b

k T _bb

R _disk ^c

C _JEM−X

C _ISGRI

Flux^d

Sl^e

G^e

χ²/d.o.f.

(ks)

keV

(km)

0.6−10

20−100

XRT

JEM-X

ISGRI

keV

kev

1344+01

1.0

–

0.19 ± 0.02

2.0 ± 0.16

0.68 ± 0.02

28.4 ± 1.8

–

0.6 ± 0.2

4.9

0.6

0.96 ± 0.01

37 ± 25

1.2/283

1344+03

1.0

–

0.32 ± 0.08

2.68 ± 0.24

0.73± 0.03

22.7 ± 2.5

–

1.9 ± 0.9

6.1

0.7

0.99 ± 0.02

0 ± 30

1.2/331

1345+06

1.0

–

0.2 ± 0.02

2.1 ± 0.2

0.76± 0.01

25.3 ± 1.7

–

0.7 ± 0.2

6.1

0.6

0.97 ± 0.01

35 ± 18

1.2/338

1346+07

0.9

–

0.18 ± 0.03

1.86 ± 0.24

0.74± 0.02

27.8 ± 1.7

–

6.9

0.8

0.92 ± 0.02

1.0/310

1346+08

0.2

1.7

0.21 ± 0.04

2.1 ± 0.2

0.7 ± 0.04

22.7 ± 3.3

3.5

0.7

1.03 ± 0.03

1.0/121

1347+11

0.9

3.4

0.25 ± 0.05

2.3 ± 0.3

0.68 ± 0.02

29 ± 3

0.5 ± 0.2

5.7

0.4

0.98 ± 0.02

15 ± 20

1.2/251

1348+12

1.05

3.4

0.2 ± 0.02

2.2 ± 0.2

0.72 ± 0.01

25.6 ± 1.4

0.7 ± 0.1

0.63 ± 0.03

6.1

0.6

0.95 ± 0.02

1.1/211

Total

10.5

8.6

160

0.22 ± 0.01

2.2 ± 0.1

0.72 ± 0.04

25.4 ± 0.5

0.7 ± 0.1

0.8 ± 0.1

5.9

0.6

0.97 ± 0.03

24 ± 6

1.4/614

Notes.

^(a)

Indicates the INTEGRAL revolution + the latest two digits XX of the Swift observation ID 000329970XX.

^(b)

In units of × 10²² cm^-2.

^(c)

The radius of the disk is calculated assuming cosθ = 0 and a distance to the system of 8 kpc.

^(d)

In units of × 10^-9 erg s^-1 cm^-2.

^(e)

G (Sl) is the energy shift (slope) of the gain correction derived from the spectral fit in Xspec.

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