2002NewA....7..577P

Query : 2002NewA....7..577P

2002NewA....7..577P - New Astronomy, 7, 577-586 (2002/November-0)

A new measurement of zinc metallicity in a DLA at z ∼ 3.35.

PEROUX C., PETITJEAN P., ARACIL B. and SRIANAND R.

Abstract (from CDS):

We present chemical abundance measurements in the zabs=3.35045 Damped Lyman-alpha (DLA) system observed in the UVES spectrum of the BAL quasar BR 1117-1329. We measure a neutral hydrogen column density N(HI)=6.9±1.7*1020 atoms cm-2 and derive mean abundances relative to solar: [Si/H]=-1.26±0.13, [Fe/H]=-1.51±0.13, [Ni/H]=-1.57±0.13, [Cr/H]=-1.36±0.13, [Zn/H]=-1.18±0.13, [Al/H]>-1.25, [O/H]>-1.25 and [N/H]←2.24. This is the third measurement of Zn, an element mildly depleted onto dust grain, at zabs>3. The iron to zinc and chromium to zinc ratios, [Fe/Zn]=-0.33±0.05 and [Cr/Zn]=-0.18±0.05 demonstrate that the absorber has a low dust content. The nitrogen ratio [N/Si]←0.98 suggests that the `secondary' N production process is taking place in this DLA. Finally, this absorber does not seem to present a convincing alpha-enhancement as shown by the alpha over Fe-peak element ratios: [Si/Fe]=0.25±0.06, [Si/Cr]=0.10±0.06 and [Si/Zn]=-0.08±0.06.

Abstract Copyright: ∼

Journal keyword(s): Galaxies: abundance - Galaxies: high-redshift - Quasars: absorption lines - Quasars: individual: BR 1117-1329

Nomenclature: Tables 2, 3: [PPA2002] QSO J1120-1346 abs 3.35045 N=1. [PPA2002] QSO J1120-1346 abs N.NNNNNN N=10.

Simbad objects: 1

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Number of rows : 1
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2026 		#notes
1 QSO B1117-1329 QSO 11 20 10.3163354592 -13 46 25.946998500     18.00     ~ 59 0

Query : 2002NewA....7..577P

Basic data :
QSO B1117-1329 -- Quasar
Other object types: otypes_help 		QSO (2010A&A,QSO,...), MIR (WISEA,WISE), Opt (PSO,SDSS), AGN (2019MNRAS), G ([HSN2016]), * (Gaia), NIR (2MASS), IR (2MASSI)
ICRS coord. (ep=J2000) : 		11 20 10.3163354592 -13 46 25.946998500 (Optical) [ 0.1803 0.1453 90 ] A 2020yCat.1350....0G
FK4 coord. (ep=B1950 eq=1950) : 		11 17 39.4573614667 -13 29 59.708716339 [ 0.1803 0.1453 90 ]
Gal coord. (ep=J2000) : 		271.6593392030830 +43.4871313102896 [ 0.1803 0.1453 90 ]
Proper motions mas/yr : 		-0.182 -0.097 [0.241 0.162 90] A 2020yCat.1350....0G
Radial velocity / Redshift / cz : 		V(km/s) 276354 [~] / z(spectroscopic) 3.958 [~] / cz 1186579 [~]
   (Opt) D 2019ApJS..243....5S
Fluxes (10) :
V 18.00 [~] E ~
G 18.553164 [0.003622] C 2020yCat.1350....0G
J 16.366 [0.114] C 2003yCat.2246....0C
H 15.854 [0.139] C 2003yCat.2246....0C
K 15.236 [0.182] D 2003yCat.2246....0C
u (AB) 24.770 [1.262] E 2015ApJS..219...12A
g (AB) 20.034 [0.021] C 2015ApJS..219...12A
r (AB) 18.221 [0.008] C 2015ApJS..219...12A
i (AB) 17.879 [0.008] C 2015ApJS..219...12A
z (AB) 17.5479 [0.0066] B 2017yCat.2349....0C
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Identifiers (20) :
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QSO B1117-1329 PSO J170.0429-13.7738 WISEA J112010.30-134625.8 [VV2006] J112010.3-134625
BR B1117-1329 QSO J1120-1346 WISE J112010.31-134625.8 [VV2010] J112010.3-134625
BR B1117-13 SDSS J112010.29-134625.9 [HSN2016] J170.04-13.77 [VV98] J112010.3-134625
2MASS J11201033-1346257 SQUAD DR1 J112010-134625 [VV2000] J112010.3-134625 Gaia DR2 3561730169989741440
2MASSI J1120103-134625 TIC 335433653 [VV2003] J112010.3-134625 Gaia DR3 3561730169989741440

References (59 between 1850 and 2026) (Total 59)
Simbad bibliographic survey began in 1850 for stars (at least bright stars) and in 1983 for all other objects (outside the solar system).
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Velocities : 3    PM : 2   

   

External archives :

Data at NED - NASA/IPAC Extragalactic Database : QSO B1117-1329

Link by name to the catalogue in VizieR :

2MASS J11201033-1346257 2MASSI J1120103-134625 SDSS J112010.29-134625.9 WISEA J112010.30-134625.8 WISE J112010.31-134625.8
Gaia DR2 3561730169989741440 Gaia DR3 3561730169989741440

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