VizieR

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Explain (UCD)

recno

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

SAO

⁽ⁱ⁾ [1/258997] SAO Catalog number (meta.id;meta.main)

delFlag

(char)

[D] if star deleted (ignore all fields) (meta.code)

RAB1950

"h:m:s"

⁽ⁱ⁾ Hours RA, Equinox=B1950, Epoch=1950.0 (pos.eq.ra;meta.main)

pmRA

s/a

Annual proper motion in RA, FK4 system (pos.pm;pos.eq.ra)

e_pmRA

mas/a

Standard deviation in pmRA (stat.error;pos.pm;pos.eq.ra)

RA2mf

(char)

[±] '+', add 1, or '-', substract 1, RA minute: indication that the minutes of time associated with the seconds portion RA2 must be increased or decreased by 1 (meta.note)

RA2s

s

Seconds portion of RA, original epoch, precessed to B1950 (pos.eq.ra)

e_RA2s

10mas

Standard deviation of RA2 (stat.error;pos.eq.ra)

EpRA2

a

Epoch of RA2 (RA original epoch) (time.epoch)

DEB1950

"d:m:s"

⁽ⁱ⁾ Degrees Dec, equinox B1950, Epoch=1950.0 (pos.eq.dec;meta.main)

ALL cols

⁽ⁱ⁾indexed column

pmDE

arcsec/a

⁽ⁿ⁾ Annual proper motion in Dec, FK4 system (Note 10) (pos.pm;pos.eq.dec)

e_pmDE

mas/a

Standard deviation of Dec proper motion (stat.error;pos.pm;pos.eq.dec)

DE2mf

(char)

[±] '+', add 1, or '-', substract 1: Indication that the arcminutes associated with DE2 must be increased or decreased by 1 (meta.note)

DE2s

arcsec

Seconds of Declination, original epoch, precessed to B1950 (pos.eq.dec)

e_DE2s

10mas

Standard deviation of DE2 (stat.error;pos.eq.dec)

EpDE2

a

Epoch of DE2 (Declinaation original epoch) (time.epoch)

e_Pos

10mas

Standard deviation of position at epoch 1950.0 (stat.error)

Pmag

mag

⁽ⁿ⁾ []? Photographic magnitude (phot.mag;em.opt.B)

Vmag

mag

⁽ⁿ⁾ []? Visual magnitude (phot.mag;em.opt.V)

SpType

(char)

Spectral type, '+++' for composite spectra (src.spType)

r_Vmag

Coded source of visual magnitude (Note 1) (meta.ref;pos.frame)

r_Num

Coded source of star number and footnotes (Note 2) (meta.ref;pos.frame)

r_Pmag

Coded source of photographic magnitude (Note 3) (meta.ref;pos.frame)

ALL cols

⁽ⁿ⁾ indicates a possible blank or NULL column

⁽ⁱ⁾indexed column

r_pmRA

Coded source of proper motions (Note 4) (meta.ref;pos.pm;pos.eq.ra)

r_SpType

Coded source of spectral type (Note 5) (meta.ref;pos.frame)

Rem

Coded remarks duplicity and variability (Note 6) (meta.code;src.var)

a_Vmag

Accuracy of V: 0 = 2 decimals, 1=1 decimal (meta.code.qual)

a_Pmag

Accuracy of Ptg: 0 = 2 decimals, 1=1 decimal (meta.code.qual)

r_Cat

Code for source catalog (Note 7) (meta.ref;pos.frame)

CatNum

Number in source catalog (meta.id)

DM

(char)

Durchmusterung identification (Note 9) (meta.id)

HD

(char)

Henry Draper Catalog (HD or HDE) number (A6) (Catalogue III/135) (meta.id)

m_HD

(char)

HD component and multiple code (Note 8) (meta.code.multip)

GC

(char)

Boss General Catalog (GC) number (Catalogue I/113) (meta.id)

RA2000

"h:m:s"

Hours RA, equinox, epoch J2000.0 (pos.eq.ra)

pmRA2000

s/a

Annual proper motion in FK5 system (pos.pm;pos.eq.ra)

DE2000

"d:m:s"

Degrees Dec, equinox, epoch J2000.0 (pos.eq.dec)

pmDE2000

arcsec/a

⁽ⁿ⁾ Annual proper motion in FK5 system (Note 10) (pos.pm;pos.eq.dec)

_RA.icrs

"h:m:s"

⁽ⁿ⁾⁽ⁱ⁾ Right ascension (ICRS) at Epoch=J2000, proper motions taken into account (computed by VizieR, not part of the original data) (pos.eq.ra)

_DE.icrs

"d:m:s"

⁽ⁿ⁾⁽ⁱ⁾ Declination (ICRS) at Epoch=J2000, proper motions taken into account (computed by VizieR, not part of the original data) (pos.eq.dec)

ALL cols

⁽ⁿ⁾ indicates a possible blank or NULL column

⁽ⁱ⁾indexed column

	I/131A	225173		SAO Star Catalog J2000 (SAO Staff 1966; USNO, ADC 1990) ReadMe+ftp Similar Catalogs Post annotation
1.	I/131A/sao		The SAO J2000.0 catalogue (258997 rows)

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