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VizieR

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phase: 3

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J/A+A/402/571/x-obs

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	J/A+A/402/571	2100		X-ray study of NGC 2451 A and B. (Huensch+ 2003) ReadMe+ftp 2003A&A...402..571H Similar Catalogs Post annotation
1.	J/A+A/402/571/x-obs		Detected X-ray sources (tables 3-6 of paper) (324 rows) metaJ/A+A/402/571/x-obs

Simple Constraint List Of Constraints

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Constraint

Explain (UCD)

recno

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

Obs

(char)

⁽ⁱ⁾ [ABCH] Detection location (Note 1) (meta.code;instr) (INST_TYPE)

Xno

⁽ⁱ⁾ X-ray source number (meta.id;meta.main) (ID_MAIN)

ct/s

X-ray count rate (phot.count;em.X-ray) (PHOT_COUNT-RATE_X)

e_CR

ct/s

Mean error on CR (stat.error) (ERROR)

⁽ⁿ⁾ Hardness ratio (phot.flux;arith.ratio) (SPECT_HARDNESS-RATIO)

Xflux

10-16W/m2

X-ray flux (in 10^–13erg/cm²/s) (phot.flux;em.X-ray) (PHOT_FLUX_X)

Xlum

10+23W

⁽ⁿ⁾ X-ray luminosity (Note 2) (phys.luminosity;em.X-ray) (PHYS_LUMINOSITY_X)

eDet

(char)

[h s UV] source is detected in the soft (s), hard (h) passband only, and also in UV (meta.code) (CODE_MISC)

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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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