1997A&AS..125..525F

Query : 1997A&AS..125..525F

1997A&AS..125..525F - Astron. Astrophys., Suppl. Ser., 125, 525-528 (1997/November-1)

The long-term variability of BL Lac object PKS 0735+178.

FAN J.H., XIE G.Z., LIN R.G., QIN Y.P., LI K.H. and ZHANG X.

Abstract (from CDS):

The long-term variability of PKS 0735+178 in B band is shown with some new data presented and discussed by means of Jurkevich's method. The results show with good possibility the presence of a period of 14.2 years. The period of 4.89 years found by Webb et al. (1988AJ.....95..374W) and Smith et al. (1987ApJS...64..459S) might be confirmed with more observations, and their period of 1.2 years can be ruled out.

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Journal keyword(s): BL Lac objects: general - 0735+178: individual (QSO 0735+178)

Simbad objects: 3

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Number of rows : 3
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 QSO J0738+1742 BLL 07 38 07.39375312 +17 42 18.9981506   16.76 16.22 15.78   ~ 1045 1
2 PG 0851+202 BLL 08 54 48.8749846272 +20 06 30.639583620   15.649 15.146 15.446   ~ 2513 1
3 7C 1219+2830 BLL 12 21 31.6904439888 +28 13 58.500308172   16.81 16.11 14.24   ~ 924 1

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