SIMBAD references

1996A&AS..116..403F - Astron. Astrophys., Suppl. Ser., 116, 403-407 (1996/May-1)

VRI photometry of stars in the fields of 12 BL Lacertae objects.


Abstract (from CDS):

We present VRcIc Johnson-Cousins magnitudes of field comparison stars for twelve BL Lacertae objects belonging to the largest sample of blazars which is monitored at the Perugia University Observatory. The sequences reported here can be used in the long-term CCD photometric monitoring of BL Lac objects aimed to understand the characteristics of their variability. Finding charts for all of these comparison sequences are also included in this paper.

Abstract Copyright:

Journal keyword(s): BL Lacertae objects: general

VizieR on-line data: <Available at CDS (J/A+AS/116/403): table3>

Nomenclature: Table 3: [FT96b] 3C 66A CN, [FT96b] PKS HHMM+DDd CN, [FT96b] OJ 287 CN, [FT96b] B2 HHMM+DD CN, [FT96b] ON 231 CN, [FT96b] Mkn 501 CN, [FT96b] H 1722+119 CN, N=30.

CDS comments: Stars with formats 'A' and 'NN' are from other lists: [KC71], [W73], [CJT75], [SJE91], [BDV69] (format 'a', not 'A'). in ref list read Von Montigny for Von Montagny

Simbad objects: 53

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