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

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Table 4.

Stellar parameters for the nucleus of Abell 28.

T_eff/kK	log g	Spectrum	Reference
		source
62.4 ± 1.1	7.58 ± 0.05	SDSS ^(a)	^(c)
57.8 ± 0.4	7.67 ± 0.03	SDSS ^(b)	^(d)
57.2 ± 0.7	7.66 ± 0.05	SDSS ^(b)	^(e)
56.7 ± 0.7	7.65 ± 0.04	SDSS ^(b)	^(f)
63.8 ± 0.4	7.76 ± 0.02	HET	^(g)

Notes.

^(a)

MJD 54425 spectrum.

^(b)

MJD 56220 spectrum.

^(c)

Kleinman et al. (2013).

^(d)

Kepler et al. (2019).

^(e)

Tremblay et al. (2019).

^(f)

This paper.

^(g)

This paper.

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