2017MNRAS.466.3309R

Query : 2017MNRAS.466.3309R

2017MNRAS.466.3309R - Mon. Not. R. Astron. Soc., 466, 3309-3322 (2017/April-2)

X-ray flux variability of active galactic nuclei observed using NuSTAR.

RANI P., STALIN C.S. and RAKSHIT S.

Abstract (from CDS):

We present results of a systematic study of flux variability on hourly time-scales in a large sample of active galactic nuclei (AGN) in the 3-79 keV band using data from Nuclear Spectroscopic Telescope Array. Our sample consists of four BL Lac objects (BL Lacs), three flat spectrum radio quasars (FSRQs) 24 Seyfert 1, 42 Seyfert 2 and eight narrow line Seyfert 1 (NLSy1) galaxies. We find that in the 3-79 keV band, about 65 per cent of the sources in our sample show significant variations on hourly time-scales. Using the Mann-Whitney U-test and the Kolmogorov-Smirnov test, we find no difference in the variability behaviour between Seyfert 1 and 2 galaxies. The blazar sources (FSRQs and BL Lacs) in our sample are more variable than Seyfert galaxies that include Seyfert 1 and Seyfert 2 in the soft (3-10 keV), hard (10-79 keV) and total (3-79 keV) bands. NLSy1 galaxies show the highest duty cycle of variability (87 per cent), followed by BL Lacs (82 per cent), Seyfert galaxies (56 per cent) and FSRQs (23 per cent). We obtained flux doubling/halving time in the hard X-ray band less than 10 min in 11 sources. The flux variations between the hard and soft bands in all the sources in our sample are consistent with zero lag.

Abstract Copyright: © 2016 The Authors Published by Oxford University Press on behalf of the Royal Astronomical Society

Journal keyword(s): galaxies: active - BL Lacertae objects: general - galaxies: jets - galaxies: nuclei - galaxies: Seyfert - X-rays: galaxies - X-rays: galaxies

VizieR on-line data: <Available at CDS (J/MNRAS/466/3309): table1.dat table2.dat table3.dat table4.dat table5.dat table6.dat>

Simbad objects: 84

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Number of rows : 84
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2026 		#notes
1 Mrk 335 Sy1 00 06 19.5372339024 +20 12 10.617404076   14.19 13.85     ~ 1344 0
2 NGC 424 Sy1 01 11 27.6385025496 -38 05 00.421096524   13.76 14.12 12.38 12.8 ~ 346 1
3 NGC 513 Sy2 01 24 26.8053520680 +33 47 58.224514236   13.4 13.40     ~ 201 1
4 NGC 612 Sy2 01 33 57.751 -36 29 35.80   13.90 13.15 12.33   ~ 252 0
5 Z 412-45 GiG 01 55 06.908 +05 22 24.97   15.5       ~ 25 0
6 NGC 788 Sy2 02 01 06.4628889816 -06 48 57.149808084   13.71 12.76 11.79   ~ 291 0
7 NGC 985 Sy1 02 34 37.882 -08 47 17.02   14.64 14.28 12.9   ~ 449 0
8 NGC 1052 Bla 02 41 04.79849989 -08 15 20.7519527 11.84 11.41 10.47 10.71   ~ 1397 2
9 M 77 Sy2 02 42 40.7091669408 -00 00 47.859690204 9.70 9.61 8.87 10.1 9.9 ~ 4897 2
10 6C 032130+340016 BLL 03 24 41.1612813408 +34 10 45.857918460     15.72 13.1   ~ 314 1
11 NGC 1320 Sy2 03 24 48.6886857672 -03 02 32.121533436   14.0 14.00     ~ 317 0
12 NGC 1365 Sy1 03 33 36.458 -36 08 26.37 10.48 10.08 9.63 8.79 9.7 ~ 1987 2
13 MCG+01-12-009 Bla 04 33 11.0956735296 +05 21 15.619461552   15.72 15.05 10.08   ~ 2099 2
14 Z 468-1 Sy2 04 46 29.758 +18 27 39.28   15.7       ~ 66 0
15 Z 420-15 Sy2 04 53 25.7402917464 +04 03 41.809965948   15.0       ~ 144 0
16 LEDA 178130 Sy2 05 05 45.7302498960 -23 51 14.096256840   16.82 17.0 15.63   ~ 97 0
17 Z 468-2 Sy2 05 08 19.7062775592 +17 21 48.085162020   15.4       ~ 129 0
18 Z 395-23 Sy1 05 16 11.4092471904 -00 08 59.157166920   14.30 13.92     ~ 953 1
19 IRAS 05189-2524 Sy2 05 21 01.3994605776 -25 21 45.321827832   15.47 14.75     ~ 545 0
20 NGC 2110 Sy2 05 52 11.3768668776 -07 27 22.507465392   14.77 13.51 11.86   ~ 712 1
21 NGC 2273 Sy1 06 50 08.6691789600 +60 50 44.864645136   14.50 13.54     ~ 566 2
22 LEDA 88588 Sy1 07 08 41.4886614696 -49 33 06.308921700   16.02 15.7 12.7   ~ 566 0
23 LEDA 96373 Sy2 07 26 26.3340382296 -35 54 21.745189656   16.8       ~ 63 1
24 Z 286-36 Sy1 07 36 57.0265753824 +58 46 13.432215792   14.77 14.37     ~ 262 0
25 IRAS 07378-3136 Sy2 07 39 44.6600332872 -31 43 02.458339320   16.8       ~ 42 1
26 Z 31-36 Sy2 08 04 05.8608218112 +05 06 49.823376120   14.55 13.7     ~ 340 2
27 MCG-01-22-006 Sy2 08 23 01.0958556600 -04 56 05.578315548   15.62   14.36   ~ 78 0
28 FRL 1146 Sy2 08 38 30.7755130968 -35 59 33.333870984   16.1       ~ 97 1
29 2MASS J08452137-3530242 Sy1 08 45 21.3731814816 -35 30 24.207500052   17.5   17.2   ~ 27 0
30 Z 34-28 Sy2 09 19 33.1209335880 +05 52 57.956401416   15.7       ~ 26 0
31 Z 121-75 Sy1 09 23 43.0005086832 +22 54 32.576001696   16.23 15.82     ~ 165 0
32 MCG-05-23-016 Sy2 09 47 40.1332188528 -30 56 55.960779696   14.10 13.69 12.44   ~ 611 0
33 ATO J146.9381+07.4223 Sy1 09 47 45.1433922288 +07 25 20.595729756   17.37 16.95     ~ 389 1
34 NGC 3079 Sy2 10 01 57.8789863992 +55 40 47.449758324 11.57 11.54 10.86     ~ 1476 3
35 Z 66-94 Sy1 11 01 01.7740767504 +11 02 48.909646824   17.46 16.91     ~ 122 0
36 Z 184-50 BLL 11 04 27.3140835504 +38 12 31.798495872   13.50 12.90 8.31   ~ 2841 1
37 NGC 3516 Sy1 11 06 47.4632200800 +72 34 07.298374656   13.12 12.40     ~ 1638 0
38 IC 2637 Sy2 11 13 49.7498269440 +09 35 10.582251468   14.88 14.17     ~ 154 1
39 NGC 4051 Sy1 12 03 09.6101337312 +44 31 52.682601288   11.08 12.92 9.94   ~ 2270 1
40 NGC 4151 Sy1 12 10 32.5759813872 +39 24 21.063527532   12.18 11.48     ~ 3938 2
41 7C 121146.50+294816.00 Sy1 12 14 17.8142672232 +29 31 43.179858912   16.43 15.33     ~ 102 1
42 7C 1219+2830 BLL 12 21 31.6904439888 +28 13 58.500308172   16.81 16.11 14.24   ~ 924 1
43 NGC 4395 Sy2 12 25 48.8633109888 +33 32 48.700168152 10.84 10.54 10.11 9.98   ~ 1286 1
44 3C 273 BLL 12 29 06.6998257176 +02 03 08.597629980   13.05 14.830 14.11   ~ 6022 1
45 3C 279 Bla 12 56 11.16657958 -05 47 21.5251510   18.01 17.75 15.87   ~ 3205 2
46 Z 294-4 Sy1 12 56 14.2341182928 +56 52 25.238373852   14.68 13.84     ~ 2096 3
47 MCG+08-24-096 Sy2 13 15 17.2663982328 +44 24 25.601901516   16.5       ~ 105 0
48 MCG-06-30-015 Sy1 13 35 53.7691256160 -34 17 44.160716796   13.89 13.61 8.9   ~ 1559 0
49 NGC 5252 Sy2 13 38 15.8707724328 +04 32 33.521265600   15.21 14.21     ~ 514 1
50 NGC 5273 Sy1 13 42 08.3801616672 +35 39 15.467518836   14.01 13.12     ~ 510 0
51 Z 271-60 Sy2 13 44 42.1883001099 +55 53 13.596220922   15.68 14.91     ~ 958 3
52 IC 4329A Sy1 13 49 19.2601801224 -30 18 34.213815504   13.81 13.66 12.18 12.35 ~ 876 1
53 NAME Circinus Galaxy Sy2 14 13 09.906 -65 20 20.47   10.89 9.84 10.6 10.0 ~ 1331 1
54 NGC 5506 Bla 14 13 14.8761010056 -03 12 27.556909272   15.25 14.38     ~ 1173 1
55 NGC 5548 Sy1 14 17 59.5400291832 +25 08 12.603122268   14.35 13.73     ~ 2895 0
56 NGC 5674 Sy2 14 33 52.2788150880 +05 27 30.117378924   13.7 13.70     ~ 197 0
57 Z 273-23 Sy2 14 40 38.0960806920 +53 30 15.961505184   16.05 15.03     ~ 341 1
58 NGC 5728 Sy2 14 42 23.8918506576 -17 15 11.240783784   14.34 13.40     ~ 679 1
59 LEDA 3076910 Sy1 14 55 17.5192400136 -51 34 15.181812480           ~ 77 0
60 IC 4518A Sy2 14 57 41.18 -43 07 55.6   16.64   13.74   ~ 131 0
61 LEDA 225607 Sy1 15 14 41.9567366280 -81 23 38.013343188   17.30   15.83   ~ 50 0
62 Mrk 290 Sy1 15 35 52.4031021552 +57 54 09.515660508   15.55 15.27     ~ 575 0
63 Z 225-7 BLL 16 53 52.21668403 +39 45 36.6088754 14.09 14.15 13.29 8.26   ~ 2304 2
64 MCG+05-40-026 Sy1 17 01 07.7786859408 +29 24 24.583886064   16.63 15.78     ~ 106 1
65 NGC 6300 Sy2 17 16 59.5418094960 -62 49 13.946588832   10.88 13.08 9.44 10.2 ~ 478 1
66 QSO B1725-142 QSO 17 28 19.7893499760 -14 15 55.854918288   14.69 14.03 13.7   ~ 362 0
67 IC 4709 Sy2 18 24 19.3825237104 -56 22 08.709650004   14.41   13.10   ~ 78 0
68 LEDA 3097193 Sy2 18 26 32.395 +32 51 30.03           ~ 30 0
69 Z 173-14 Sy1 18 35 03.3896172576 +32 41 46.855964616   16.50 15.39 10.50   ~ 688 1
70 ESO 103-35 Sy2 18 38 20.3204821536 -65 25 39.141804936   14.75 14.53 13.24   ~ 342 0
71 3C 390.3 Bla 18 42 08.9904975672 +79 46 17.127835104   16.06 15.38     ~ 1381 1
72 LEDA 140831 Sy1 18 57 07.7552174928 -78 28 21.214206516   16.15 14.5 14.66   ~ 63 0
73 CXOU J194719.3+444942 Sy2 19 47 19.380 +44 49 42.51     15.7 17.2   ~ 58 0
74 3C 403.0 Sy2 19 52 15.7996999344 +02 30 24.238200816   15.42 16.5     ~ 353 1
75 MCG+07-41-003 Bla 19 59 28.35656837 +40 44 02.0972325   16.22 15.10     ~ 2537 2
76 QSO B2004-447 Bla 20 07 55.1842447944 -44 34 44.274118260   19.3 19.3 18   ~ 185 1
77 2MASS J20183873+4041000 Sy2 20 18 38.715 +40 41 00.06           ~ 47 0
78 IC 5063 Bla 20 52 02.15 -57 04 06.7   12.92 13.60 11.30   ~ 710 1
79 IRAS 21262+5643 Sy1 21 27 45.3941483856 +56 56 34.915920720       16.6   ~ 186 0
80 IRAS F21318-2739 Sy1 21 34 45.1366894152 -27 25 55.529099400   16.36   15.8   ~ 50 0
81 QSO B2149-306 Bla 21 51 55.52396937 -30 27 53.6980880   17.95 18.0 17.48   ~ 281 1
82 PKS J2158-3013 BLL 21 58 52.0652249880 -30 13 32.118447792   13.36 13.09 12.62   ~ 1829 1
83 NAME BL Lac BLL 22 02 43.2913536816 +42 16 39.979416792   15.66 14.72     ~ 2397 1
84 NGC 7582 Sy2 23 18 23.60 -42 22 13.3 11.62 10.92 10.62     ~ 978 3

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