2006ApJ...636..680A

Query : 2006ApJ...636..680A

2006ApJ...636..680A - Astrophys. J., 636, 680-684 (2006/January-2)

Search for cross-correlations of ultrahigh-energy cosmic rays with BL Lacertae objects.

ABBASI R.U., ABU-ZAYYAD T., AMANN J.F., ARCHBOLD G., BELOV K., BELZ J.W., BENZVI S., BERGMAN D.R., BLAKE S.A., BOYER J.H., BURT G.W., CAO Z., CONNOLLY B.M., DENG W., FEDOROVA Y., FINDLAY J., FINLEY C.B., HANLON W.F., HOFFMAN C.M., HOLZSCHEITER M.H., HUGHES G.A., HUNTEMEYER P., JUI C.C.H., KIM K., KIRN M.A., KNAPP B.C., LOH E.C., MAESTAS M.M., MANAGO N., MANNEL E.J., MAREK L.J., MARTENS K., MATTHEWS J.A.J., MATTHEWS J.N., O'NEILL A., PAINTER C.A., PERERA L., REIL K., RIEHLE R., ROBERTS M.D., RODRIGUEZ D., SASAKI M., SCHNETZER S.R., SEMAN M., SINNIS G., SMITH J.D., SNOW R., SOKOLSKY P., SPRINGER R.W., STOKES B.T., THOMAS J.R., THOMAS S.B., THOMSON G.B., TUPA D., WESTERHOFF S., WIENCKE L.R., ZECH A. (The HiRes Collaboration)

Abstract (from CDS):

Data taken in stereo mode by the High Resolution Fly's Eye (HiRes) air fluorescence experiment are analyzed to search for correlations between the arrival directions of ultrahigh-energy cosmic rays with the positions of BL Lacertae objects. Several previous claims of significant correlations between BL Lac objects and cosmic rays observed by other experiments are tested. These claims are not supported by the HiRes data. However, we verify a recent analysis of correlations between HiRes events and a subset of confirmed BL Lac objects from the 10th Veron Catalog, and we study this correlation in detail. Due to the a posteriori nature of the search, the significance level cannot be reliably estimated and the correlation must be tested independently before any claim can be made. We identify the precise hypotheses that will be tested with statistically independent data.

Abstract Copyright: ∼

Journal keyword(s): Galaxies: BL Lacertae Objects: General - ISM: Cosmic Rays - Galaxies: Active

Simbad objects: 5

Full paper

View the references in ADS

Number of rows : 5

N	Identifier	Otype	ICRS (J2000) RA	ICRS (J2000) DEC	Mag U	Mag B	Mag V	Mag R	Sp type	#ref 1850 - 2026	#notes
1	Z 184-50	BLL	11 04 27.3140835504	+38 12 31.798495872		13.50	12.90	8.31	~	2841	1
2	RX J1428.5+4240	BLL	14 28 32.6090008440	+42 40 21.048123396		16.95	16.45	14.4	~	549	1
3	Z 225-7	BLL	16 53 52.21668403	+39 45 36.6088754	14.09	14.15	13.29	8.26	~	2304	2
4	QSO B1959+650	BLL	19 59 59.8520303688	+65 08 54.652536492			12.8	11.21	~	699	2
5	QSO B2344+514	BLL	23 47 04.8372110928	+51 42 17.877513168			15.50	10.7	~	500	1

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