CCD Photometric Monitoring of the BL Lacertae Object s5 0716+714 from 2001 TO 2006

Details CCD Photometric Monitoring of the BL Lacertae Object s5 0716+714 from 2001 TO 2006 CCD Photometric Monitoring of the BL Lacertae Object s5 0716+714 from 2001 TO 2006

Nov 2008

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008aj....136.1846z&link_type=abstract

The Astronomical Journal, Volume 136, Issue 5, pp. 1846-1851 (2008).

Astronomy and Astrophysics

Astronomy

9

Bl Lacertae Objects: Individual: S5 0716+714, Galaxies: Active, Galaxies: Photometry

Scientific paper

We present the optical photometries (B, V, R, and I) of the BL Lac object S5 0716+714 (z > 0.3), which were observed with the 1 m telescope at Yunnan Astronomical Observatory and the 1.56 m telescope at Shanghai Astronomical Observatory from 2001 February to 2006 April. Our results show a significant rapid variation and exhibit a short time variability of ΔI = 0.60 mag in 28 minutes, ΔR = 1.58 mag in 23 minutes, ΔV = 1.06 mag in 10 minutes, and ΔB = 1.36 mag in 33 minutes. We find a strong correlation between the V - R color index and the magnitude in 292 minutes. Our CCD photometry of the S5 0716+714 showed they are in good similitude with Raiteri et al., and Qian et al. presented the optical variability magnitude and light curves from 1994 to 2001.

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