The innermost dusty structure in active galactic nuclei as probed by the Keck interferometer

Free Access

Table 1

Summary of the results of our KI observations and radio data for the present and remaining previous targets.

Name	Date (UT)	z^a	Scale^b	E_B − V^c	B_p^d	PA	V²	R_ring^e		Radio flux^f		A_V

		corr.	(pc mas^-1)	(mag)	(m)	(°)		(mas)	(pc)	(mJy)	(GHz)	(mag)

AKN120	2009-11-07	0.0327	0.653	0.128	74.6	31.9	0.843 ± 0.097	0.56 ± 0.19	0.36 ± 0.12	9.3^g	1.4
IC4329A	2010-05-01	0.0170	0.345	0.059	69.8	49.6	0.868 ± 0.084	0.54 ± 0.18	0.19 ± 0.06	10.7^h	8.4	2 ± 1ⁿ
MRK6	2010-05-01	0.0188	0.382	0.136	71.5	−1.4	0.909 ± 0.048	0.44 ± 0.12	0.17 ± 0.05	39.5ⁱ	8.4
3C273	2010-05-02	0.159	2.75	0.021	83.5	39.9	0.958 ± 0.034	0.25 ± 0.10	0.69 ± 0.28	3.20E4^j	4.8
NGC 4151	2010-05-01	0.00414	0.0855	0.028	72.4	51.0	0.920 ± 0.017	0.40 ± 0.05	0.034 ± 0.004	125.^k	4.9
	2010-05-01				81.3	40.7	0.878 ± 0.049	0.45 ± 0.10	0.038 ± 0.008
	2010-05-02				84.9	21.7	0.883 ± 0.048	0.42 ± 0.09	0.036 ± 0.008

NGC 4051		0.00309	0.0639							6.0^k	4.9
MRK231		0.0427	0.841							173.^l	5.0
IRAS 13349^o		0.109	1.98							19.9^m	1.4

Notes.

^(a)

CMB corrected value from NED.

^(b)

H₀ = 70 km s^-1 Mpc^-1, Ω_m = 0.3, and Ω_Λ = 0.7.

^(c)

Galactic reddening from Schlegel et al. (1998).

^(d)

Projected baseline lengths.

^(e)

Thin-ring radius.

^(f)

Radio flux observed at frequency given. For radio-quiet objects, flux from linear (double or triple) structure at ~ 100 pc scale is given, except for AKN120, IC4329A, and IRAS 13349+2438, for which flux from a source unresolved at resolution of 6″ (3.9 kpc), 1″ (350 pc), and 5.4″ (11 kpc), respectively, is given.

^(g)

Condon et al. (1998).

^(h)

Nagar et al. (1999).

⁽ⁱ⁾

Schmitt et al. (2001).

^(j)

Tingay et al. (2003).

^(k)

Ulvestad & Wilson (1984).

^(l)

Ulvestad et al. (1999).

^(m)

White et al. (1997).

⁽ⁿ⁾

Winkler et al. (1992).

^(o)

IRAS 13349+2438.

Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.

Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.

Initial download of the metrics may take a while.