1998A&AS..130..305V

Query : 1998A&AS..130..305V

1998A&AS..130..305V - Astron. Astrophys., Suppl. Ser., 130, 305-310 (1998/June-1)

BVR photometry of comparison stars in selected blazar fields. I. Photometric sequences for 10 BL Lacertae objects.

VILLATA M., RAITERI C.M., LANTERI L., SOBRITO G. and CAVALLONE M.

Abstract (from CDS):

We present photometric sequences in the Johnson's BV and Cousins' R bands in the fields of 10 BL Lacertae objects (BL Lacs) monitored at the Torino Astronomical Observatory. Data were taken during 14 photometric nights from February 1995 to May 1997. The 56 calibrated stars are brighter than V=16 and can be used as comparison objects in order to derive the BL Lac magnitudes. Finding charts are included for the stars identification.

Abstract Copyright: ∼

Journal keyword(s): galaxies: active - BL Lacertae objects: general

Nomenclature: Table 2: [VRL98] PKS 0048-09 N, [VRL98] 1ES HHMM+DDd N, [VRL98] S5 0716+71 N, [VRL98] MS 0737.9+7441 N, [VRL98] Mkn NNN N, N=56.

Status at CDS : All or part of tables of objects will not be ingested in SIMBAD.

Simbad objects: 22

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Number of rows : 22
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2024 		#notes
1 QSO B0048-09 BLL 00 50 41.3172421464 -09 29 05.210474100 16.74 16.39 16.22 16.14   ~ 459 2
2 QSO B0502+675 BLL 05 07 56.1631660632 +67 37 24.225299292     17.0 17.2   ~ 180 1
3 TYC 4368-1025-1 * 07 21 33.3741963648 +71 19 21.092406420   11.90 11.31 11.12 10.92 ~ 7 0
4 [GVR97] S5 0716+714 B * 07 21 52.3289285184 +71 18 17.712655380   13.04 12.43   11.79 ~ 10 0
5 8C 0716+714 BLL 07 21 53.4482942664 +71 20 36.363846516   15.5 15.50 14.27   ~ 1299 1
6 [GVR97] S5 0716+714 C * 07 21 54.3632292192 +71 19 20.917412904   14.15 13.55   12.85 ~ 13 0
7 [VRL98] S5 0716+71 7 * 07 22 +71.0   14.55 13.74 13.32   ~ 3 0
8 [GVR97] S5 0716+714 D * 07 22 12.6270485016 +71 21 14.800738716   14.24 13.63   12.97 ~ 8 0
9 [NMR2005] b * 07 22 18.0489095088 +71 23 34.534384584   13.69 13.23     ~ 5 0
10 [NMR2005] o * 07 22 28.2091433712 +71 17 37.554640404   14.70 14.10     ~ 4 0
11 [NMR2005] c * 07 22 36.39 +71 22 48.7   11.54 10.99 10.63   ~ 4 0
12 QSO B0737+744 BLL 07 44 05.3750968872 +74 33 58.256429832     16.89 16.6   ~ 136 0
13 QSO B1028+511 BLL 10 31 18.5251007784 +50 53 35.817278064   17.25 16.98 16.3   ~ 192 1
14 Mrk 421 BLL 11 04 27.3140835504 +38 12 31.798495872   13.50 12.90 8.31   ~ 2671 1
15 6C 113337+702604 BLL 11 36 26.4090783600 +70 09 27.309071232   15.16 14.49 10.51   ~ 368 1
16 QSO B1517+656 BLL 15 17 47.5882526184 +65 25 23.285593704     15.9 16.7   ~ 123 1
17 [SJE91] H 1652+398 A * 16 53 47.1 +39 44 11   13.55 12.61     ~ 7 0
18 [FT96b] Mkn 501 C1 * 16 53 47.8 +39 43 12   16.05 15.30     ~ 3 0
19 7C 165211.80+395026.00 BLL 16 53 52.21668403 +39 45 36.6088754 14.09 14.15 13.29 8.26   ~ 2160 2
20 [FT96b] Mkn 501 C2 * 16 53 56.0 +39 45 34   16.82 15.67     ~ 3 0
21 QSO B1959+650 BLL 19 59 59.8520303688 +65 08 54.652536492     12.8 11.21   ~ 625 2
22 [SJE91] H 1652+398 B * ~ ~   14.10 13.23     ~ 6 0

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