2010ApJ...722..520A


C.D.S. - SIMBAD4 rel 1.7 - 2019.10.17CEST06:03:56

2010ApJ...722..520A - Astrophys. J., 722, 520-542 (2010/October-2)

Gamma-ray light curves and variability of bright Fermi-detected blazars.

ABDO A.A., ACKERMANN M., AJELLO M., ANTOLINI E., BALDINI L., BALLET J., BARBIELLINI G., BASTIERI D., BECHTOL K., BELLAZZINI R., BERENJI B., BLANDFORD R.D., BLOOM E.D., BONAMENTE E., BORGLAND A.W., BOUVIER A., BREGEON J., BREZ A., BRIGIDA M., BRUEL P., BUEHLER R., BURNETT T.H., BUSON S., CALIANDRO G.A., CAMERON R.A., CARAVEO P.A., CARRIGAN S., CASANDJIAN J.M., CAVAZZUTI E., CECCHI C., CELIK O., CHEKHTMAN A., CHEUNG C.C., CHIANG J., CIPRINI S., CLAUS R., COHEN-TANUGI J., COMINSKY L.R., CONRAD J., COSTAMANTE L., CUTINI S., DERMER C.D., DE ANGELIS A., DE PALMA F., DO COUTO E SILVA E., DRELL P.S., DUBOIS R., DUMORA D., FARNIER C., FAVUZZI C., FEGAN S.J., FOCKE W.B., FORTIN P., FRAILIS M., FUKAZAWA Y., FUNK S., FUSCO P., GARGANO F., GASPARRINI D., GEHRELS N., GERMANI S., GIEBELS B., GIGLIETTO N., GIOMMI P., GIORDANO F., GLANZMAN T., GODFREY G., GRENIER I.A., GRONDIN M.-H., GROVE J.E., GUIRIEC S., HADASCH D., HAYASHIDA M., HAYS E., HEALEY S.E., HORAN D., HUGHES R.E., ITOH R., JOHANNESSON G., JOHNSON A.S., JOHNSON W.N., KAMAE T., KATAGIRI H., KATAOKA J., KAWAI N., KNODLSEDER J., KUSS M., LANDE J., LARSSON S., LATRONICO L., LEMOINE-GOUMARD M., LONGO F., LOPARCO F., LOTT B., LOVELLETTE M.N., LUBRANO P., MADEJSKI G.M., MAKEEV A., MASSARO E., MAZZIOTTA M.N., McENERY J.E., MICHELSON P.F., MITTHUMSIRI W., MIZUNO T., MOISEEV A.A., MONTE C., MONZANI M.E., MORSELLI A., MOSKALENKO I.V., MUELLER M., MURGIA S., NOLAN P.L., NORRIS J.P., NUSS E., OHNO M., OHSUGI T., OMODEI N., ORLANDO E., ORMES J.F., OZAKI M., PANETTA J.H., PARENT D., PELASSA V., PEPE M., PESCE-ROLLINS M., PIRON F., PORTER T.A., RAINO S., RANDO R., RAZZANO M., REIMER A., REIMER O., RITZ S., RODRIGUEZ A.Y., ROMANI R.W., ROTH M., RYDE F., SADROZINSKI H.F.-W., SANDER A., SCARGLE J.D., SGRO C., SHAW M.S., SMITH P.D., SPANDRE G., SPINELLI P., STARCK J.-L., STRICKMAN M.S., SUSON D.J., TAKAHASHI H., TAKAHASHI T., TANAKA T., THAYER J.B., THAYER J.G., THOMPSON D.J., TIBALDO L., TORRES D.F., TOSTI G., TRAMACERE A., UCHIYAMA Y., USHER T.L., VASILEIOU V., VILCHEZ N., VITALE V., WAITE A.P., WALLACE E., WANG P., WINER B.L., WOOD K.S., YANG Z., YLINEN T. and ZIEGLER M.

Abstract (from CDS):

This paper presents light curves as well as the first systematic characterization of variability of the 106 objects in the high-confidence Fermi Large Area Telescope Bright AGN Sample (LBAS). Weekly light curves of this sample, obtained during the first 11 months of the Fermi survey (2008 August 4-2009 July 4), are tested for variability and their properties are quantified through autocorrelation function and structure function analysis. For the brightest sources, 3 or 4 day binned light curves are extracted in order to determine power density spectra (PDSs) and to fit the temporal structure of major flares. More than 50% of the sources are found to be variable with high significance, where high states do not exceed 1/4 of the total observation range. Variation amplitudes are larger for flat spectrum radio quasars and low/intermediate synchrotron frequency peaked BL Lac objects. Autocorrelation timescales derived from weekly light curves vary from four to a dozen of weeks. Variable sources of the sample have weekly and 3-4 day bin light curves that can be described by 1/f α PDS, and show two kinds of gamma-ray variability: (1) rather constant baseline with sporadic flaring activity characterized by flatter PDS slopes resembling flickering and red noise with occasional intermittence and (2)–measured for a few blazars showing strong activity–complex and structured temporal profiles characterized by long-term memory and steeper PDS slopes, reflecting a random walk underlying mechanism. The average slope of the PDS of the brightest 22 FSRQs and of the 6 brightest BL Lacs is 1.5 and 1.7, respectively. The study of temporal profiles of well-resolved flares observed in the 10 brightest LBAS sources shows that they generally have symmetric profiles and that their total duration vary between 10 and 100 days.
Result. presented here can assist in source class recognition for unidentified sources and can serve as reference for more detailed analysis of the brightest gamma-ray blazars.

Abstract Copyright:

Journal keyword(s): BL Lacertae objects: general - gamma rays: galaxies - gamma rays: general - methods: data analysis - methods: statistical - quasars: general

VizieR on-line data: <Available at CDS (J/ApJ/722/520): table1.dat table3.dat>

Simbad objects: 111

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Number of rows : 111

N Identifier Otype ICRS (J2000)
RA
ICRS (J2000)
DEC
Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2019
#notes
1 QSO B0015-054 QSO 00 17 35.8182046617 -05 12 41.763392497       17.60   ~ 71 0
2 2FGL J0033.5-1921 BLL 00 33 34.3798818431 -19 21 33.135188391   16.8 16.3 16.6   ~ 83 0
3 QSO B0048-09 BLL 00 50 41.31738756 -09 29 05.2102688 16.74 16.39 16.22 16.14   ~ 412 2
4 QSO B0048-071 QSO 00 51 08.20981506 -06 50 02.2290926   19.0 19.5 19.07   ~ 96 1
5 QSO B0109+224 BLL 01 12 05.8246825085 +22 44 38.786096536   16.00 15.66 15.47   ~ 286 2
6 QSO B0116-219 QSO 01 18 57.2618928998 -21 41 30.144821503   19.40 19.0 19.37   ~ 87 1
7 QSO B0118-272 BLL 01 20 31.6632705443 -27 01 24.643168036   15.89 15.56 15.49   ~ 234 1
8 87GB 013336.4+385101 BLL 01 36 32.5981369228 +39 05 59.196637223     15.80 15.5   ~ 98 1
9 QSO B0133+476 QSO 01 36 58.59480585 +47 51 29.1000445     18.0 19.25 15.21 ~ 436 1
10 ICRF J014433.5+270503 BLL 01 44 33.5539702 +27 05 03.118217       18.6   ~ 57 1
11 QSO B0142-278 QSO 01 45 03.3948353273 -27 33 34.329198106   19.0 19.0 17.43   ~ 87 1
12 QSO B0202-172 QSO 02 04 57.67434602 -17 01 19.8403980   18.18 18 17.19   ~ 196 1
13 QSO B0208-512 BLL 02 10 46.2000629834 -51 01 01.893312084   17.10 16.93 14.82   ~ 374 1
14 QSO J0217+0144 QSO 02 17 48.95475182 +01 44 49.6990704   16.74 16.09 18.51 13.29 ~ 361 1
15 QSO B0218+357 QSO 02 21 05.5 +35 56 14   20.0 20.0 19.60   ~ 488 3
16 3C 66A BLL 02 22 39.6111630878 +43 02 07.797284539   15.71 15.21 14.5   ~ 772 1
17 QSO B0227-369 QSO 02 29 28.44906605 -36 43 56.8221968     19.0 20.4   ~ 76 0
18 QSO B0235+1624 BLL 02 38 38.93010 +16 36 59.2746   16.46 15.50 15.92   ~ 1366 2
19 QSO B0244-470 QSO 02 46 00.1176057191 -46 51 17.233537658     18.5 17.9   ~ 55 1
20 QSO B0301-243 BLL 03 03 26.5029737074 -24 07 11.423823772   16.55 16.18     ~ 156 1
21 3C 84 Sy2 03 19 48.1597607660 +41 30 42.114155434   13.10 12.48 11.09   ~ 3459 3
22 QSO B0332-403 BLL 03 34 13.6547438706 -40 08 25.401996186 18.54 18.35 17.87 17.5   ~ 253 1
23 QSO B0347-211 QSO 03 49 57.82667457 -21 02 47.7414283   20.48 21.10 20.297   ~ 88 1
24 QSO B0426-380 BLL 04 28 40.4242766573 -37 56 19.583011524   18.96 19.0 17.21   ~ 237 1
25 6dFGS gJ044924.7-435009 BLL 04 49 24.700 -43 50 08.93 14.95 17.52 15.24 16.27   ~ 120 1
26 QSO J0457-2324 QSO 04 57 03.1792314200 -23 24 52.020969479   18.85 18.5 16.56   ~ 321 1
27 QSO B0502+675 BLL 05 07 56.1461168342 +67 37 24.302255568     17.0 17.2   ~ 138 1
28 QSO B0516-621 BLL 05 16 44.9259759952 -62 07 05.388736635 18.50 18.09 17.85 17.46   ~ 92 1
29 QSO J0530+13 QSO 05 30 56.41672 +13 31 55.1495     20.0 19.35   ~ 871 1
30 QSO B0537-441 BLL 05 38 50.36155219 -44 05 08.9389165   15.77 16.48 16   ~ 764 2
31 ICRF J065422.0+504223 QSO 06 54 22.09316306 +50 42 23.8734505       0   ~ 66 1
32 7C 065044.10+451813.00 QSO 06 54 23.71365666 +45 14 23.5456493     21.00 19.76   ~ 98 1
33 2MASS J07003124-6610452 BLL 07 00 31.2533642600 -66 10 45.229305493 16.38 15.99 15.89     ~ 50 3
34 ICRF J071243.6+503322 BLL 07 12 43.6836553279 +50 33 22.707945550       18.68   ~ 60 1
35 ICRF J071355.6+193500 QSO 07 13 55.67917253 +19 35 00.4087352       18   ~ 57 3
36 7C 071604.59+331243.00 QSO 07 19 19.41966375 +33 07 09.7086964   17.66 17.05     ~ 83 1
37 8C 0716+714 BLL 07 21 53.4484901266 +71 20 36.362058601   15.5 14.17 14.27   ~ 1100 1
38 QSO J0730-116 QSO 07 30 19.11247420 -11 41 12.6005110     20.30 20.3   ~ 249 1
39 QSO J0738+1742 BLL 07 38 07.39374766 +17 42 18.9982302   16.76 16.22 15.78   ~ 887 1
40 7C 081451.89+423206.00 BLL 08 18 15.99960470 +42 22 45.4149140   18.88 18.18 17.81   ~ 342 1
41 7C 082053.00+560228.00 QSO 08 24 47.23635309 +55 52 42.6693506   18.52 18.19 17.82   ~ 156 1
42 QSO J0854+2006 BLL 08 54 48.8749311881 +20 06 30.642936668   15.91 15.43 15.56   ~ 1943 1
43 6C 091740+445437 QSO 09 20 58.45848243 +44 41 53.9850927   18.40 18.16 16.55   ~ 310 1
44 3FGL J0948.8+0021 Sy1 09 48 57.3204380262 +00 22 25.561362007   18.85 18.61 18.17   ~ 231 2
45 4C 55.17 QSO 09 57 38.1845058338 +55 22 57.750865288   18.24 17.89     ~ 371 1
46 87GB 100952.2+245404 QSO 10 12 41.3783154119 +24 39 23.380374235   19.77 19.58 19.4   ~ 46 1
47 6C 101157+494057 BLL 10 15 04.1393763275 +49 26 00.708524180   16.56 16.15 14.58   ~ 293 2
48 QSO J1016+0513 QSO 10 16 03.13646769 +05 13 02.3414482   20.26 19.83 20   ~ 107 1
49 ICRF J103351.4+605107 Sy1 10 33 51.4290811577 +60 51 07.335485597   19.31 18.86 20.24   ~ 120 2
50 2E 1050.7+4946 ClG 10 53 44.1 +49 29 56           ~ 56 1
51 7C 105047.29+494553.00 BLL 10 53 44.1260802583 +49 29 56.000502267   18.70 17.76 13.8   ~ 99 2
52 87GB 105148.6+222705 BLL 10 54 30.6252576493 +22 10 54.798774464 17.67 17.39 17.20 17.1   ~ 40 1
53 4C 01.28 BLL 10 58 29.60520747 +01 33 58.8237691   18.74 18.28 16.68   ~ 618 2
54 7C 1055+5644 BLL 10 58 37.7276722520 +56 28 11.207685679   16.80 16.31 14.58   ~ 165 2
55 QSO B1057-797 BLL 10 58 43.30977041 -80 03 54.1597166   19.08   17.31   ~ 145 0
56 Mrk 421 BLL 11 04 27.3139210166 +38 12 31.798324828   13.50 12.90 8.31   ~ 2329 1
57 QSO J1130-1449 QSO 11 30 07.05259287 -14 49 27.3881476   17.17 16.90 16 16.97 ~ 611 1
58 QSO B1144-3755 BLL 11 47 01.37070177 -38 12 11.0234199   19.03 16.2 16.72   ~ 250 1
59 Ton 599 QSO 11 59 31.83390975 +29 14 43.8268741   14.80 14.41 17.652 13.39 ~ 781 1
60 Ton 605 HB* 12 16 53.6747853642 +30 04 08.693588731   16.110 15.98     B 218 0
61 6C 121520+302351 BLL 12 17 52.0819140772 +30 07 00.636792927   16.07 15.62 13.47   ~ 392 1
62 7C 1219+2830 BLL 12 21 31.6902446545 +28 13 58.500383827   16.81 16.11 14.24   ~ 763 1
63 3C 273 BLL 12 29 06.6996828061 +02 03 08.598846466   13.05 14.830 14.11   ~ 5241 1
64 QSO J1246-2547 QSO 12 46 46.80203492 -25 47 49.2887900   17.65 17.41 16.96 15.5 ~ 229 1
65 6C 125058+531749 BLL 12 53 11.9205021198 +53 01 11.736128183   18.07 17.51 16.4   ~ 88 1
66 3C 279 QSO 12 56 11.1664521013 -05 47 21.531840471   18.01 17.75 15.87   ~ 2633 2
67 7C 1308+3236 BLL 13 10 28.66387 +32 20 43.7831   15.61 15.24 17.91   ~ 736 1
68 NAME Centaurus A Sy2 13 25 27.61509104 -43 01 08.8056025   8.18 6.84 6.66   ~ 3885 3
69 QSO J1332-0509 QSO 13 32 04.4645889336 -05 09 43.302580612     18.5 18.37   ~ 98 1
70 87GB 133151.1+511313 QSO 13 33 53.7823134854 +50 57 35.914391294   20.09 19.71 19.6   ~ 56 1
71 QSO B1352-104 QSO 13 54 46.51868791 -10 41 02.6562064   18.20 18.4     ~ 128 1
72 QSO B1406-076 QSO 14 08 56.48120036 -07 52 26.6664200   20.3 18.4     ~ 255 1
73 7C 1424+2401 BLL 14 27 00.3918388878 +23 48 00.035406946 14.52 14.34 14.95 14.5   ~ 276 1
74 [VV2006] J145726.7-353909 BLL 14 57 26.71171326 -35 39 09.9714572   17.95 19.50 18.93   ~ 116 1
75 QSO B1502+1041 QSO 15 04 24.97978142 +10 29 39.1986151   18.97 18.56 18.94   ~ 438 1
76 4C -05.64 QSO 15 10 53.59142086 -05 43 07.4173767   17.44 17.21     ~ 186 1
77 QSO J1512-0906 QSO 15 12 50.53292491 -09 05 59.8295878   16.74 16.54     ~ 1119 1
78 QSO B1514-24 BLL 15 17 41.8135246339 -24 22 19.482167214   15.13 14.00 13.95   ~ 619 3
79 7C 1520+3154 QSO 15 22 09.99172973 +31 44 14.3819060   20.45 19.89 19.87   ~ 125 1
80 QSO B1542+614 BLL 15 42 56.9436911925 +61 29 55.347789879   16.9 16.25 16.6   ~ 94 1
81 QSO B1551+130 QSO 15 53 32.6979155757 +12 56 51.714849889   18.05 17.65 17.1   ~ 122 1
82 QSO B1553+113 BLL 15 55 43.0439413597 +11 11 24.365587666 14.91 14.72 14.57 13.99   ~ 394 1
83 QSO B1622-253 QSO 16 25 46.89164010 -25 27 38.3267989   21.3 20.6 19.60   ~ 289 1
84 QSO B1622-297 QSO 16 26 06.02083867 -29 51 26.9710860   18.41 20.5 17.6   ~ 353 0
85 4C 38.41 QSO 16 35 15.4926950870 +38 08 04.498949104   18.14 17.97 17.25   ~ 729 1
86 4C 39.49 BLL 16 53 52.21668494 +39 45 36.6089458 14.09 14.15 13.29 8.26   ~ 1874 2
87 QSO B1717+178 BLL 17 19 13.0484094263 +17 45 06.437888139   20.10 19.1 17.28   ~ 182 1
88 4C 09.57 BLL 17 51 32.81857318 +09 39 00.7284829   17.46 16.78 15.57   ~ 782 1
89 8C 1803+784 BLL 18 00 45.6831135718 +78 28 04.017792333   16.4 16.4 15.46   ~ 651 1
90 QSO J1848+3219 QSO 18 48 22.08858135 +32 19 02.6037429       18.79   ~ 94 1
91 ICRF J184916.0+670541 Sy1 18 49 16.07228978 +67 05 41.6802978     20 17.45   ~ 208 1
92 QSO B1908-202 QSO 19 11 09.65289198 -20 06 55.1089891   18.21   18.14   ~ 229 0
93 [VV2006] J192332.2-210433 QSO 19 23 32.18981466 -21 04 33.3330547   15.32 17.50 16.70   ~ 120 2
94 QSO B1959+650 BLL 19 59 59.8525497024 +65 08 54.651170114     12.8 11.21   ~ 484 2
95 QSO B2005-489 BLL 20 09 25.3910622923 -48 49 53.722146927   15.75 12.81 11.41   ~ 500 2
96 QSO B2022-077 BLL 20 25 40.6599681095 -07 35 52.689195990   18.5       ~ 159 3
97 QSO B2052-474 QSO 20 56 16.35981874 -47 14 47.6276461   18.29 19.1 18.07   ~ 244 1
98 QSO B2136-428 BLL 21 39 24.1734381106 -42 35 20.466757777   16.50 16.2 15.7   ~ 55 0
99 ICRF J214335.5+174348 Sy1 21 43 35.5445519361 +17 43 48.787577197   15.91 15.73 15.17   ~ 338 1
100 QSO B2144+093 QSO 21 47 10.16296927 +09 29 46.6723567   18.72 18.54 16.51   ~ 170 1
101 ICRF J215728.8+312701 QSO 21 57 28.82387714 +31 27 01.3518787       20.11   ~ 61 1
102 QSO B2155-304 BLL 21 58 52.0651817803 -30 13 32.120657891   13.36 13.09 12.62   ~ 1519 1
103 NAME BL Lac BLL 22 02 43.2913773726 +42 16 39.978417860   15.66 14.72     ~ 1975 1
104 QSO B2201+1711 BLL 22 03 26.89368 +17 25 48.2479       14.76   ~ 166 1
105 QSO B2204-54 QSO 22 07 43.7335704104 -53 46 33.822173951   18.45 18.0 18.20   ~ 131 1
106 QSO B2227-0848 QSO 22 29 40.08434003 -08 32 54.4353948   17.80 17.41 17.81   ~ 284 1
107 4C 11.69 QSO 22 32 36.40890517 +11 43 50.9040717   17.75 17.33     ~ 921 2
108 3C 454.3 QSO 22 53 57.74798 +16 08 53.5611   16.57 16.10 15.22   ~ 2439 2
109 87GB 232252.5+394057 BLL 23 25 17.8704120896 +39 57 36.514040778   17.8 17.80 17.8   ~ 58 1
110 QSO B2325+093 QSO 23 27 33.5798030003 +09 40 09.464734033   18.5 19.5 18.26   ~ 129 1
111 ICRF J234512.4-155507 BLL 23 45 12.4624601666 -15 55 07.835852664   19.21   18.48   ~ 109 1

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2019.10.17-06:03:56

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