3C 66A
The blazar 3C 66A has a redshift of z = 0.34 (Torres-Zafra
et al. 2018)
This BL Lac object has been observed on optical wavelengths (e.g. Böttcher et al. 2005) and Lainela et al. (1999).
γ-ray source centered at celestial coordinates, reported by
Errando et al. (2009), has R.A. = 2 h 23 m 12 s and Dec.=
43° 0.’7.
Sloan Digital Sky Survey image of 3C 66A
The figure shows panels of radio, optical, X-ray, and Gamma-ray light curves, waveforms of the sonification as a function of time, and spectrograms of the blazar 3C 66A. The light curves are available at: Download Light curves.
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References
- Lainela, M., Takalo, L. O., Sillanpää, A., Pursimo, T., Nilsson, K., Katajainen, S., ... & Honeycutt, R. K. (1999). The 65 day period in 3C 66A during bright state. The Astrophysical Journal, 521(2), 561.
- Böttcher, M., Harvey, J., Joshi, M., Villata, M., Raiteri, C. M., Bramel, D., ... & Yim, H. S. (2005). Coordinated multiwavelength observation of 3C 66A during the WEBT campaign of 2003-2004. The Astrophysical Journal, 631(1), 169.
- Errando, M., Lindfors, E., Mazin, D., Prandini, E., & Tavecchio, F. (2009). A TeV source in the 3C 66A/B region. arXiv preprint arXiv:0907.0994.
- Torres-Zafra, J., Cellone, S. A., Buzzoni, A., Andruchow, I., & Portilla, J. G. (2018). Redshift determination of the BL Lac object 3C 66A by the detection of its host galaxy cluster at z= 0.340. Monthly Notices of the Royal Astronomical Society, 474(3), 3162-3172.
