Spectroscopic survey of faint planetary-nebula nuclei - VI. Seventeen hydrogen-rich central stars

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Table 6.

Values for the reddening for E(B − V) from Schlafly & Finkbeiner (2011) and E(44 − 55) as determined in our SED fits, distances, zero-point corrected Gaia distances, spectroscopic distances and radii, luminosities, and gravity masses.

Name	E(B − V)/mag	E(44 − 55)/mag	d_Gaia/kpc	d_spec/kpc	R/R_⊙	M_grav/M_⊙	L/L_⊙
Abell 6	1.090 ± 0.060	0.986 ± 0.013	$1 . 07_{- 0.15}^{+ 0.21}$ $1.07^{+0.21}_{-0.15}$	$0 . 88_{- 0.13}^{+ 0.15}$ $0.88^{+0.15}_{-0.13}$	$0 . 053_{- 0.008}^{+ 0.011}$ $0.053^{+0.011}_{-0.008}$	$0 . 81_{- 0.29}^{+ 0.47}$ $0.81^{+0.47}_{-0.29}$	$140_{- 60}^{+ 90}$ $140^{+90}_{-60}$
Abell 16 ⁽¹⁾	0.131 ± 0.004	0.157 ± 0.015	$1 . 21_{- 0.23}^{+ 0.36}$ $1.21^{+0.36}_{-0.23}$	$2 . 02_{- 0.16}^{+ 0.17}$ $2.02^{+0.17}_{-0.16}$	$0 . 019_{- 0.004}^{+ 0.006}$ $0.019^{+0.006}_{-0.004}$	$0 . 24_{- 0.09}^{+ 0.18}$ $0.24^{+0.18}_{-0.09}$	$15_{- 6}^{+ 11}$ $15^{+11}_{-6}$
Abell 24	0.033 ± 0.003	$0 . 007_{- 0.007}^{+ 0.016}$ $0.007^{+0.016}_{-0.007}$	$0 . 71_{- 0.05}^{+ 0.06}$ $0.71^{+0.06}_{-0.05}$	0.96 ± 0.05	$0 . 0143_{- 0.0010}^{+ 0.0012}$ $0.0143^{+0.0012}_{-0.0010}$	$0 . 37_{- 0.06}^{+ 0.07}$ $0.37^{+0.07}_{-0.06}$	$26_{- 4}^{+ 5}$ $26^{+5}_{-4}$
Abell 28	0.073 ± 0.003	0.067 ± 0.005	0.38 ± 0.01	$0 . 420_{- 0.012}^{+ 0.013}$ $0.420^{+0.013}_{-0.012}$	0.0156 ± 0.0005	0.51 ± 0.04	$3 . 64_{- 0.22}^{+ 0.24}$ $3.64^{+0.24}_{-0.22}$
Abell 62	0.506 ± 0.009	0.333 ± 0.012		1.28 ± 0.09
Alv 1 ⁽²⁾	0.127 ± 0.004	0.125 ± 0.009	$1 . 58_{- 0.29}^{+ 0.44}$ $1.58^{+0.44}_{-0.29}$	≈6.50	≈0.018	≈0.05	≈250
Fe 4	0.163 ± 0.012	0.186 ± 0.005	$5 . 0_{- 1.2}^{+ 2.1}$ $5.0^{+2.1}_{-1.2}$	$5 . 56_{- 0.19}^{+ 0.20}$ $5.56^{+0.20}_{-0.19}$	$0 . 29_{- 0.07}^{+ 0.13}$ $0.29^{+0.13}_{-0.07}$	$0 . 54_{- 0.23}^{+ 0.59}$ $0.54^{+0.59}_{-0.23}$	$2500_{- 1100}^{+ 2800}$ $2500^{+2800}_{-1100}$
Kn 2	0.254 ± 0.003	0.307 ± 0.008		8.40 ± 0.60
Kn 40	0.276 ± 0.004	0.269 ± 0.007	$3 . 5_{- 1.3}^{+ 3.9}$ $3.5^{+3.9}_{-1.3}$	6.4 ± 0.4	$0 . 13_{- 0.05}^{+ 0.15}$ $0.13^{+0.15}_{-0.05}$	$0 . 32_{- 0.20}^{+ 1.07}$ $0.32^{+1.07}_{-0.20}$	$1300_{- 800}^{+ 4300}$ $1300^{+4300}_{-800}$
Kn 45	0.122 ± 0.005	0.151 ± 0.023	$1 . 8_{- 0.5}^{+ 1.1}$ $1.8^{+1.1}_{-0.5}$	$2 . 95_{- 0.26}^{+ 0.28}$ $2.95^{+0.28}_{-0.26}$	$0 . 032_{- 0.009}^{+ 0.020}$ $0.032^{+0.020}_{-0.009}$	$0 . 27_{- 0.14}^{+ 0.44}$ $0.27^{+0.44}_{-0.14}$	$61_{- 30}^{+ 97}$ $61^{+97}_{-30}$
Pa 12 ⁽¹⁾	0.553 ± 0.013	0.602 ± 0.014		$5 . 0_{- 0.5}^{+ 0.6}$ $5.0^{+0.6}_{-0.5}$
Pa 15 ⁽²⁾	0.208 ± 0.005	0.210 ± 0.040	$3 . 3_{- 0.8}^{+ 1.3}$ $3.3^{+1.3}_{-0.8}$	≈10.1	≈0.130	≈0.09	≈1500
Pa 157 ⁽¹⁾	0.125 ± 0.006	0.179 ± 0.006	$3 . 0_{- 0.5}^{+ 0.7}$ $3.0^{+0.7}_{-0.5}$	5.82 ± 0.14	$0 . 128_{- 0.020}^{+ 0.029}$ $0.128^{+0.029}_{-0.020}$	$0 . 17_{- 0.05}^{+ 0.09}$ $0.17^{+0.09}_{-0.05}$	$1010_{- 290}^{+ 500}$ $1010^{+500}_{-290}$
Pa 26 ⁽¹⁾	0.143 ± 0.003	$0 . 05_{- 0.05}^{+ 0.07}$ $0.05^{+0.07}_{-0.05}$		$13 . 1_{- 1.4}^{+ 1.6}$ $13.1^{+1.6}_{-1.4}$
Pa 3 ⁽¹⁾	1.370 ± 0.080	0.424 ± 0.005	$0 . 99_{- 0.03}^{+ 0.03}$ $0.99^{+0.03}_{-0.03}$	0.82 ± 0.01	0.122 ± 0.004	0.70 ± 0.05	$25 . 8_{- 1.6}^{+ 1.7}$ $25.8^{+1.7}_{-1.6}$
Pa 41	0.327 ± 0.007	0.310 ± 0.060	$2 . 08_{- 0.29}^{+ 0.40}$ $2.08^{+0.40}_{-0.29}$	$5 . 6_{- 0.5}^{+ 0.6}$ $5.6^{+0.6}_{-0.5}$	0.05 ± 0.01	$0 . 091_{- 0.027}^{+ 0.043}$ $0.091^{+0.043}_{-0.027}$	$880_{- 290}^{+ 460}$ $880^{+460}_{-290}$
Pre 8 ⁽¹⁾	0.061 ± 0.005	0.108 ± 0.010		5.6 ± 0.6

Notes.

⁽¹⁾

Object shows an infrared excess, multicomponent fit performed.

⁽²⁾

Parameters uncertain due to star lying near border of theoretical grid.

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