Discovery of a redshift 6.13 quasar in the UKIRT infrared deep sky survey

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Table 1:

Original survey and follow-up photometric observations of ULAS J1319+0950.
Filter	Original	Follow-up	Observing date	Telescope	Exposure time
$\mbox{$i$ }_{\rm {AB}}$	22.83 $\pm$ 0.32	22.55 $\pm$ 0.09	2008 January 8 and 12	LT	$2 \times 1620{\mbox{\rm ~s}}$
$\mbox{$z$ }_{\rm {AB}}$	20.13 $\pm$ 0.12	19.99 $\pm$ 0.03	2008 January 29	NTT	450 s
$Y_{\rm {Vega}}$	19.22 $\pm$ 0.06	19.10 $\pm$ 0.03	2008 January 16 and 17	UKIRT	$2 \times 300{\mbox{\rm ~s}}$
$J_{\rm {Vega}}$	18.69 $\pm$ 0.05	18.76 $\pm$ 0.03	2008 January 16 and 17	UKIRT	$2 \times 300{\mbox{\rm ~s}}$

All magnitudes are quoted in the natural system of the initial survey: AB for the optical SDSS bands and Vega for the NIR UKIDSS bands. Note that the transmission profile of the $\mbox{$z$ }_{\rm {NTT}}$ filter differs somewhat from that of the SDSS z filter (see Sect. 3.2).

Source LaTeX | All tables | In the text

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