SIMBAD references

2010AJ....139.2425N - Astron. J., 139, 2425-2432 (2010/June-0)

GB6 J1058+5628: a new quasi-periodic BL Lac object from the Asiago plate archive.


Abstract (from CDS):

We present the historic photographic light curves of three little known blazars (two BL Lac objects and one FSRQ), GB6 J1058+5628, GB6 J1148+5254, and GB6 J1209+4119, spanning a time interval of about 50 years, mostly built using the Asiago plate archive. All objects show evident long-term variability, over which short-term variations are superposed. One source, GB6 J1058+5628, showed a marked quasi-periodic variability of 1 mag on timescale of about 6.3 years, making it one of the few BL Lac objects with a quasi-periodic behavior.

Abstract Copyright:

Journal keyword(s): BL Lacertae objects: individual (GB6 J1058+5628, GB6 J1148+5254, GB6 J1209+4119) - galaxies: active

CDS comments: In the end of Introduction GB6 J1058+5611 is a misprint for GB6 J1058+5628.

Simbad objects: 12

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