VizieR

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VizieR

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phase: 3

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J/other/PASA/19....

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Distance ρ
Position angle θ
Distance (x,y)
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J2000
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IAU/CDS nomenclature

Mirrors

	J/other/PASA/19.455	3295		Damped Lyman alpha absorption of QSOs (Curran+, 2002) ReadMe+ftp 2002PASA...19..455C Similar Catalogs Post annotation
1.	J/other/PASA/19.455/table2		The radio-loud DLAs in which H I absorption has been searched (25 rows) metaJ/other/PASA/19.455/table2

Simple Constraint List Of Constraints

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Column

Constraint

Explain (UCD)

recno

Record number assigned by the VizieR team. Should Not be used for identification. (meta.record) (RECORD)

Name

(char)

Quasar name (meta.id;meta.main) (ID_MAIN)

l_tau

(char)

Limit flag on tau (meta.code.error) (CODE_LIMIT)

tau

Optical depth of the H I line, with 3σ limits (phys.absorption.opticalDepth) (PHYS_OPTICAL-DEPTH)

n_tau

(char)

[,-] Set of values, or range (meta.note) (NOTE)

tau2

⁽ⁿ⁾ Other value or upper limit of tau (phys.absorption.opticalDepth) (PHYS_OPTICAL-DEPTH)

logNHI

[cm-2]

HI column density (phys.columnDensity) (PHYS_COLUMN_DENSITY)

Approximate flux density at z_abs (phot.flux.density;em.radio) (PHOT_FLUX_RADIO_MISC)

Sp+Index

⁽ⁿ⁾ Spectral index (spect.index) (SPECT_SP+INDEX)

Notes

(char)

Notes (Note 1) (meta.note) (NOTE)

ALL cols

⁽ⁿ⁾ indicates a possible blank or NULL column

⁽ⁱ⁾indexed column

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	Display UCD1+ UCD1

https://cdsannotations.u-strasbg.fr/annotations/vizierTable//

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→ Cite/acknowledge VizieR catalogue
→ Rules of usage of VizieR data

Contact - Legals

If the access to catalogues with VizieR was helpful for your research work,the following acknowledgment would be appreciated: This research has made use of the VizieR catalogue access tool, CDS, Strasbourg, France (DOI: 10.26093/cds/vizier). The original description of the VizieR service was published in A&AS 143, 23