A quasar-galaxy merger at z ∼ 6.2: Black hole mass and quasar properties from the NIRSpec spectrum

Home

All issues

Volume 685 (May 2024)

A&A, 685 (2024) A121

Full HTML

Highlight

Open Access

Table 4.

Physical quantities of PJ308-21 derived from line fitting.

PJ308-21
L_λ(5100 Å)	$(4 . 9_{- 0.2}^{+ 0.4}) \times 10^{42} {erg s}^{- 1} Å^{- 1}$ $(4.9^{+0.4}_{-0.2}) \times 10^{42}\,\mathrm{erg\,s}^{-1}\,\AA^{-1}$
L(Hα)	(1.84 ± 0.01)×10⁴⁵ erg s⁻¹
FWHM(Hβ)	$4616_{- 61}^{+ 63} {km s}^{- 1}$ $4616^{+63}_{-61}\,\mathrm{km\,s}^{-1}$
FWHM(Hα)	3739 ± 26 km s⁻¹
FWHM([O III])	$2776_{- 74}^{+ 75}$ $2776^{+75}_{-74}$ km s⁻¹
Δv_Hβ	87 ± 15 km s⁻¹
Δv_Hα	−149 ± 7 km s⁻¹
Δv_{[O III]}	−1922 ± 39 km s⁻¹
M_BH, Hβ	(2.7 ± 0.2)×10⁹ M_⊙
M_BH, Hα	(1.93 ± 0.03)×10⁹ M_⊙
L_bol	$(2 . 3_{- 0.1}^{+ 0.2}) \times 10^{47} {erg s}^{- 1}$ $(2.3^{+0.2}_{-0.1}) \times 10^{47}\,\mathrm{erg\,s}^{-1}$
λ_Edd, Hβ	$0 . 67_{- 0.05}^{+ 0.12}$ $0.67^{+0.12}_{-0.05}$
λ_Edd, Hα	$0 . 96_{- 0.06}^{+ 0.10}$ $0.96^{+0.10}_{-0.06}$
EW_{[O III]}	19 ± 2 Å
EW_Hβ	$118_{- 11}^{+ 8} Å$ $118^{+8}_{-11}\,\AA$
EW_{Fe II}	$43_{- 3}^{+ 2} Å$ $43^{+2}_{-3}\,\AA$
R_{Fe II}	$0 . 36_{- 0.06}^{+ 0.04}$ $0.36^{+0.04}_{-0.06}$

Notes. We report the random errors from the MCMC fit. The statistical uncertainty, due to object-to-object differences, on the black hole mass estimates is ∼0.5 dex (Vestergaard & Peterson 2006) and affects also the Eddington ratios.

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.