1998A&AS..130..305V


C.D.S. - SIMBAD4 rel 1.7 - 2020.02.17CET16:28:50

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 in Simbad:  will not be processed

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 - 2020
#notes
1 QSO B0048-09 BLL 00 50 41.31738756 -09 29 05.2102688 16.74 16.39 16.22 16.14   ~ 415 2
2 QSO B0502+675 BLL 05 07 56.1461168342 +67 37 24.302255568     17.0 17.2   ~ 139 1
3 TYC 4368-1025-1 * 07 21 33.3736190548 +71 19 21.094004835   11.90 11.31 11.12 10.92 ~ 7 0
4 [GVR97] S5 0716+714 B * 07 21 52.3287265943 +71 18 17.713038034   13.04 12.43   11.79 ~ 10 0
5 8C 0716+714 BLL 07 21 53.4484901266 +71 20 36.362058601   15.5 14.17 14.27   ~ 1115 1
6 [GVR97] S5 0716+714 C * 07 21 54.3629174368 +71 19 20.917010061   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 12.6268567982 +71 21 14.800549463   14.24 13.63   12.97 ~ 8 0
9 [NMR2005] b * 07 22 18.0486411201 +71 23 34.534225817   13.69 13.23     ~ 5 0
10 [NMR2005] o * 07 22 28.2094212541 +71 17 37.550858440   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 05.3737292010 +74 33 58.260126612     16.89 16.6   ~ 113 0
13 QSO B1028+511 BLL 10 31 18.5251431722 +50 53 35.821637845   17.25 16.98 16.3   ~ 148 1
14 Mrk 421 BLL 11 04 27.3139210166 +38 12 31.798324828   13.50 12.90 8.31   ~ 2352 1
15 6C 113337+702604 BLL 11 36 26.4093954222 +70 09 27.311486691   15.16 14.49 10.51   ~ 310 1
16 QSO B1517+656 BLL 15 17 47.5884450040 +65 25 23.284362137     15.9 16.7   ~ 98 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 4C 39.49 BLL 16 53 52.21668494 +39 45 36.6089458 14.09 14.15 13.29 8.26   ~ 1892 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 59.8525497024 +65 08 54.651170114     12.8 11.21   ~ 492 2
22 [SJE91] H 1652+398 B * ~ ~   14.10 13.23     ~ 6 0

    Equat.    Gal    SGal    Ecl

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