2008ApJ...672L..95S

Query : 2008ApJ...672L..95S

2008ApJ...672L..95S - Astrophys. J., 672, L95-L98 (2008/January-2)

A compact extreme scattering event cloud toward AO 0235+164.

SENKBEIL C.E., ELLINGSEN S.P., LOVELL J.E.J., MacQUART J.-P., CIMO G. and JAUNCEY D.L.

Abstract (from CDS):

We present observations of a rare, rapid, high-amplitude extreme scattering event toward the compact BL Lac object AO 0235+164 at 6.65 GHz. The ESE cloud is compact; we estimate its diameter between 0.09 and 0.9 AU, with a distance of less than 3.6 kpc. Limits on the angular extent of the ESE cloud imply a minimum cloud electron density of ∼4x103/cm3. Based on the amplitude and timescale of the ESE observed here, we suggest that at least one of the transients reported by Bower et al. may be attributed to ESEs.

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Journal keyword(s): Galaxies: BL Lacertae Objects: Individual: Alphanumeric: AO 0235+164 - Galaxies: Active - ISM: Structure

Simbad objects: 3

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Number of rows : 3
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 QSO B0235+1624 BLL 02 38 38.93010450 +16 36 59.2745528   16.46 15.50 15.92   ~ 1614 2
2 ATO J146.9381+07.4223 Sy1 09 47 45.1433922288 +07 25 20.595729756   17.37 16.95     ~ 389 1
3 3C 277 rG 12 51 43.581 +50 34 24.90   21       ~ 57 1

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