2008AJ....135..737T

Query : 2008AJ....135..737T

2008AJ....135..737T - Astron. J., 135, 737-746 (2008/February-0)

Optical monitoring of 3C 390.3 from 1995 to 2004 and possible periodicities in the historical light curve.

TAO J., FAN J., QIAN B. and LIU Y.

Abstract (from CDS):

We report V, R, and I band CCD photometry of the radio galaxy 3C 390.3 obtained with the 1.56 m telescope of the Shanghai Astronomical Observatory from 1995 March to 2004 August. Combining these data with data from the literature, we have constructed a historical light curve from 1894 to 2004 and searched for periodicities using the CLEANest program. We find possible periods of 8.30±1.17, 5.37±0.49, 3.51±0.21, and 2.13±0.08 yr.

Abstract Copyright: ∼

Journal keyword(s): galaxies: active - galaxies: individual: 3C 390.3 - galaxies: photometry - galaxies: Seyfert - methods: data analysis

Simbad objects: 14

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Number of rows : 14
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 3C 66A BLL 02 22 39.6114771888 +43 02 07.799534304   15.71 15.21 14.5   ~ 942 2
3 MCG+01-12-009 Bla 04 33 11.0956735296 +05 21 15.619461552   15.72 15.05 10.08   ~ 2099 2
4 8C 0716+714 BLL 07 21 53.4482942664 +71 20 36.363846516   15.5 15.50 14.27   ~ 1388 1
5 QSO J0738+1742 BLL 07 38 07.39375312 +17 42 18.9981506   16.76 16.22 15.78   ~ 1045 1
6 QSO B0829+047 BLL 08 31 48.8770033992 +04 29 39.086842884   17.10 16.4 14.55   ~ 511 2
7 PG 0851+202 BLL 08 54 48.8749846272 +20 06 30.639583620   15.649 15.146 15.446   ~ 2513 1
8 Z 184-50 BLL 11 04 27.3140835504 +38 12 31.798495872   13.50 12.90 8.31   ~ 2841 1
9 3C 279 Bla 12 56 11.16657958 -05 47 21.5251510   18.01 17.75 15.87   ~ 3205 2
10 QSO J1512-0906 Bla 15 12 50.53293048 -09 05 59.8297908   16.74 16.54     ~ 1409 1
11 3C 345 Bla 16 42 58.80997043 +39 48 36.9939552   16.81 16.59 16.84   ~ 1808 3
12 3C 390.3 Bla 18 42 08.9904975672 +79 46 17.127835104   16.06 15.38     ~ 1381 1
13 W 43 SFR 18 47 32 -01 56.5           ~ 604 0
14 NAME BL Lac BLL 22 02 43.2913536816 +42 16 39.979416792   15.66 14.72     ~ 2397 1

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