The intraday variability in the radio-selected and X-ray-selected BL Lacertae objects

Details The intraday variability in the radio-selected and X-ray-selected BL Lacertae objects The intraday variability in the radio-selected and X-ray-selected BL Lacertae objects

Oct 1998

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1998a%26as..132...83b&link_type=abstract

Astronomy and Astrophysics Supplement, v.132, p.83-92

Astronomy and Astrophysics

Astrophysics

31

Bl Lacertae Objects: General, Galaxies: Photometry

Scientific paper

Seven BL Lac objects have been photometrically observed in an effort to study the difference of optical intraday variability between the radio-selected BL Lac objects (RBLs) and X-ray-selected BL Lac objects (XBLs). The objects we observed are selected arbitrarily. They are four RBLs, PKS 0735+178, PKS 0754+101, OJ 287 and BL Lac, and three XBLs, H 0323+022, H 0548-322 and H 2154-304. During the observation all of them exhibited microvariation, and H 0323+022 and H 0548-322 sometimes showed brightness oscillation. PKS 0735+178 and BL Lac were in their faint states and not very active. It seems that RBLs do not show microvariability more frequently than XBLs. Table 2 is only available in electronic form at the CDS via anonymous ftp to cdsarc.u-strasbg.fr (130.79.128.5)

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