VizieR

CfA VizieR . ADAC VizieR . Cambridge (UK) VizieR . IUCAA VizieR . INASAN VizieR .

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VizieR

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phase: 3

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J/ApJ/999/244/ta...

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Distance {rho}
Position angle {theta}
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IAU/CDS nomenclature

Mirrors

	J/ApJ/999/244	-1		X-ray catalog and classification of 4FGL-DR4 UGSs (Neumann+ 2026) ReadMe+ftp 2026ApJ...999..244N Similar Catalogs Post annotation
1.	J/ApJ/999/244/table2		Swift X-Ray sources with extreme photon indices, alpha_X<0 or alpha_X>4, included in the main analysis (17 rows) metaJ/ApJ/999/244/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)

4FGL

(char)

4FGL designation, JHHMM.m+DDMMa (meta.id;meta.main) (ID_MAIN)

n_4FGL

(char)

[*] * indicates 4FGL sources with multiple X-ray sources (meta.note) (NOTE)

SwXF4-DR4

(char)

SwXF4-DR4 designation, JHHMMSS.s+DDMMSS (meta.id) (ID_ALTERNATIVE)

10+22cm-2

Hydrogen column density obtained with the nH function (phys.columnDensity) (PHYS_COLUMN_DENSITY)

alphaX

Photon index (Note 1) (stat.fit.param) (PHYS_ENERGY_INDEX)

e_alphaX

⁽ⁿ⁾ Photon index error (Note 1) (stat.error) (ERROR)

Ctp

(char)

Possible Counterpart (Note 2) (meta.id.assoc) (ID_ASSOCIATED)

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⁽ⁿ⁾ indicates a possible blank or NULL column

⁽ⁱ⁾indexed column

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	Display UCD1+ UCD1

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

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

Contact

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