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| Query : 2010AJ....139.2425N |
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.
NESCI R.
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
| Number of rows : 12 |
| N | Identifier | Otype |
ICRS (J2000) RA |
ICRS (J2000) DEC |
Mag U | Mag B | Mag V | Mag R | Mag I | Sp type |
#ref
1850 - 2026 |
#notes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 6C 004509+393212 | BLL | 00 47 55.2237594912 | +39 48 57.609757008 | 16.0 | 17.60 | 16.4 | ~ | 55 | 1 | ||
| 2 | [VV98] J044754.6-032241 | Bla | 04 47 54.7361835696 | -03 22 42.262778604 | 15.94 | 15.4 | ~ | 31 | 0 | |||
| 3 | 8C 0716+714 | BLL | 07 21 53.4482942664 | +71 20 36.363846516 | 15.5 | 15.50 | 14.27 | ~ | 1388 | 1 | ||
| 4 | PG 0851+202 | BLL | 08 54 48.8749846272 | +20 06 30.639583620 | 15.649 | 15.146 | 15.446 | ~ | 2513 | 1 | ||
| 5 | RX J1058.6+5628 | BLL | 10 58 37.7276569824 | +56 28 11.207405028 | 16.80 | 16.31 | 14.58 | ~ | 232 | 1 | ||
| 6 | 6C 114618+531124 | Bla | 11 48 56.5690073664 | +52 54 25.323857892 | 17.19 | 16.87 | 16.45 | ~ | 89 | 1 | ||
| 7 | * 67 UMa | dS* | 12 02 06.7790915049 | +43 02 44.028988799 | 5.47 | 5.1 | F0Vam | 122 | 0 | |||
| 8 | ICRF J120922.7+411941 | BLL | 12 09 22.7879963712 | +41 19 41.371293540 | 18.42 | 17.83 | 16.74 | ~ | 133 | 2 | ||
| 9 | * 2 CVn | * | 12 16 07.5490623312 | +40 39 36.643119192 | 9.17 | 7.21 | 5.66 | M0.5III | 78 | 0 | ||
| 10 | 7C 1219+2830 | BLL | 12 21 31.6904439888 | +28 13 58.500308172 | 16.81 | 16.11 | 14.24 | ~ | 924 | 1 | ||
| 11 | 6C 141804+543700 | BLL | 14 19 46.5974051952 | +54 23 14.787857796 | 16.17 | 15.65 | 14.16 | ~ | 630 | 1 | ||
| 12 | 3C 454.3 | Bla | 22 53 57.7480438728 | +16 08 53.561508864 | 16.57 | 16.10 | 15.22 | ~ | 3004 | 2 |
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