SIMBAD references

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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