1998PASP..110.1164S

Query : 1998PASP..110.1164S

1998PASP..110.1164S - Publ. Astron. Soc. Pac., 110, 1164-1171 (1998/October-0)

Photometric calibration of stars in the fields of selected BL Lacertae objects and quasars.

SMITH P.S. and BALONEK T.J.

Abstract (from CDS):

We present the results of UBVRI photometry of stars in the fields of 13 BL Lacertae objects and quasars. The calibrated stars are intended to facilitate photoelectric and CCD differential photometry of these highly variable active galactic nuclei (AGNs). The magnitudes of most of the stars were measured on more than two occasions, and we provide two to five stars per field. Several stars are common to those calibrated by previous observers, although the earlier efforts do not cover all five bandpasses. Our results for these stars are typically in close agreement with previous measurements obtained using common filters. In addition, we present UBVRI magnitudes for stars in the fields of four AGNs (CTA 26, 0716+332, OV-236, and PKS 2345-167) with no previously published comparison stars.

Abstract Copyright: ∼

Journal keyword(s): Galaxies: BL Lacertae Objects: General - Galaxies: Photometry - Galaxies: Quasars: General

Simbad objects: 41

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Number of rows : 41
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 3C 66A BLL 02 22 39.6114771888 +43 02 07.799534304   15.71 15.21 14.5   ~ 942 2
2 [CJT75] 0219+42 A * 02 22 42.9 +43 05 32   14.07 13.57     ~ 7 0
3 [CJT75] 0219+42 B * 02 22 43.3 +43 04 22   15.77 14.77     ~ 6 0
4 QSO B0336-0156 Bla 03 39 30.93778633 -01 46 35.8041892   18.96 18.41 17.33   ~ 598 1
5 QSO B0420-0127 Bla 04 23 15.80072217 -01 20 33.0656073   17.50 17.00 16.28   ~ 1263 3
6 QSO B0422+004 BLL 04 24 46.8421990080 +00 36 06.329375028 16.15 15.94 16.98     ~ 378 1
7 7C 071604.59+331243.00 BLL 07 19 19.41966120 +33 07 09.7087082   17.66 17.05     ~ 130 1
8 QSO B0829+047 BLL 08 31 48.8770033992 +04 29 39.086842884   17.10 16.4 14.55   ~ 511 2
9 [FT96b] PKS 0829+046 C3 * 08 31 54.4377083088 +04 30 43.488692496   14.16 13.55 13.53   ~ 2 0
10 [FT96b] PKS 0829+046 C2 * 08 32 00.6781364544 +04 32 02.112976824     13.58     ~ 2 0
11 3C 216.0 Bla 09 09 33.49714902 +42 53 46.4821036   19.98 19.42 18.220   ~ 520 1
12 3C 279 Bla 12 56 11.16657958 -05 47 21.5251510   18.01 17.75 15.87   ~ 3205 2
13 [RVL98] PKS 1510-089 2 * 15 12 -09.1   13.74 13.26 12.95 12.60 ~ 6 0
14 [RVL98] PKS 1510-089 3 * 15 12 -09.1   15.16 14.44 13.98 13.54 ~ 6 0
15 [RVL98] PKS 1510-089 4 * 15 12 -09.1   15.36 14.72 14.34 13.87 ~ 6 0
16 [RVL98] PKS 1510-089 1 * 15 12 -08.9   12.23 11.60 11.23 10.87 ~ 6 0
17 QSO J1512-0906 Bla 15 12 50.53293048 -09 05 59.8297908   16.74 16.54     ~ 1409 1
18 [FTR98] 1749+096 C4 * 17 51 31.1 +09 39 43     14.36     ~ 2 0
19 4C 09.57 BLL 17 51 32.81857326 +09 39 00.7284066   17.46 16.78 15.57   ~ 1007 1
20 QSO B1921-293 BLL 19 24 51.05595254 -29 14 30.1210248   18.71 18.21 15.07   ~ 918 1
21 [A71] 3C 454.3 2 * 22 53 55.3 +16 07 08   15.87 15.21 14.73 14.31 ~ 5 0
22 3C 454.3 Bla 22 53 57.7480438728 +16 08 53.561508864   16.57 16.10 15.22   ~ 3004 2
23 [A71] 3C 454.3 1 * 22 53 59.9 +16 09 53   16.85 15.86 15.32 14.80 ~ 5 0
24 QSO B2345-167 Bla 23 48 02.60851466 -16 31 12.0222546   18.00 18.41 16.86   ~ 432 1
25 [RVL98] 3C 279 1 * ~ ~   13.02 12.42     ~ 5 0
26 [RVL98] PKS 0420-014 4 * ~ ~   15.69 14.95     ~ 4 0
27 [RVL98] PKS 0420-014 3 * ~ ~   13.92 13.29     ~ 2 0
28 [RVL98] PKS 0420-014 2 * ~ ~   13.64 13.15     ~ 4 0
29 [CJT75] 1749+09 B * ~ ~   17.17 16.14     ~ 1 0
30 [CJT75] 1749+09 A * ~ ~   14.88 14.74     ~ 1 0
31 [CJT75] 0219+42 C * ~ ~   16.28 15.75     ~ 4 0
32 PPS 3C 216 E * ~ ~   16.56 15.29     ~ 2 0
33 PPS 3C 216 B * ~ ~   15.04 14.10     ~ 2 0
34 [MMM83] OF 38 A * ~ ~   13.19 12.52     ~ 2 0
35 PPS 3C 216 A * ~ ~           ~ 1 0
36 [RVL98] 3C 279 5 * ~ ~   16.79 15.98     ~ 5 0
37 [MMM83] OF 38 C * ~ ~           ~ 1 0
38 [A71] 3C 454.3 3 * ~ ~   15.19 14.44     ~ 3 0
39 [MMM83] OF 38 E * ~ ~           ~ 1 0
40 [RVL98] 3C 279 3 * ~ ~   15.49 14.87     ~ 4 0
41 [RVL98] 3C 279 2 * ~ ~   13.73 12.99     ~ 4 0

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