VizieR

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I/171/acrs1

Astrographic Catalog Reference Stars (ACRS) (Corbin+ 1991)

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The ACRS catalog, grouping 250052 reliable stars and 70159 stars with poor observational history (320211 rows)

recno=295649

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*Column*	*Value*		*Explain (UCD)*
_RAJ2000	17 49 33.24305	"h:m:s"	Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra) (POS_EQ_RA)
_DEJ2000	+48 28 09.8685	"d:m:s"	Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec) (POS_EQ_DEC)
_RAB1950	17 48 14.98833	"h:m:s"	Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra) (POS_EQ_RA)
_DEB1950	+48 28 59.9198	"d:m:s"	Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec) (POS_EQ_DEC)
_Glon	075.43588980	deg	Galactic longitude at Epoch=J1950, proper motions taken into account (pos.galactic.lon) (POS_GAL_LON)
_Glat	+29.91721977	deg	Galactic latitude at Epoch=J1950, proper motions taken into account (pos.galactic.lat) (POS_GAL_LAT)
295649recno	295649		Record number assigned by the VizieR team. Should Not be used for identification. (meta.record) (RECORD)

PartNum	2		Catalog part number: 1 for the more relaible stars, 2 for the tars with poor observational history (meta.id;meta.dataset) (ID_CATALOG)
ACRS	545597		⁽ⁱ⁾ [1,570159] ACRS sequential number (Note) (meta.id;meta.main) (ID_MAIN)
RAB1950	17 48 14.988	"h:m:s"	⁽ⁱ⁾ Hours RA, equinox=B1950, Epoch=B1950.0 (pos.eq.ra;meta.main) (POS_EQ_RA_MAIN)
DEB1950	+48 28 59.920	"d:m:s"	⁽ⁱ⁾ Degrees Dec, equinox, epoch B1950.0 (pos.eq.dec;meta.main) (POS_EQ_DEC_MAIN)
e_RAB1950		ms	Mean error in RA at original epoch (stat.error;pos.eq.ra) (ERROR)
e_DEB1950		10mas	Mean error in Dec at original epoch (stat.error;pos.eq.dec) (ERROR)
pmRA	-3.82	ms/yr	RA proper motion, FK4 system (pos.pm;pos.eq.ra) (POS_EQ_PMRA)
pmDE	-32.4	mas/yr	DE proper motion, FK4 system (pos.pm;pos.eq.dec) (POS_EQ_PMDEC)
e_pmRA		ms/yr	Mean error on pmRA (stat.error;pos.pm;pos.eq.ra) (ERROR)
e_pmDE		mas/yr	Mean error on pmDE (stat.error;pos.pm;pos.eq.dec) (ERROR)
EpRA	1945.004	yr	Original epoch of RA (epoch of mean position) (time.epoch) (TIME_EPOCH)
EpDE	1945.638	yr	Original epoch of DE (epoch of mean position) (time.epoch) (TIME_EPOCH)
o_RAB1950	2		Number of positions in RA (meta.number) (NUMBER)
o_DEB1950	2		Number of positions in DE (meta.number) (NUMBER)
w_RAB1950	1.9		Sum of the weights in RA (stat.weight) (WEIGHT)
w_DEB1950	1.8		Sum of the weights in DE (stat.weight) (WEIGHT)
Pmag	11.10	mag	[140/1350] Photographic magnitude (phot.mag;em.opt) (PHOT_PHG_MAG)
SpType			Spectral type (src.spType) (SPECT_TYPE_GENERAL)
BD	+48 2578		Bonner Durchmusterung number I/122 (meta.id) (ID_ALTERNATIVE)
CD			Cordoba Durchmusterung number I/114 (meta.id) (ID_ALTERNATIVE)
CP			Cape Photographic Durchmusterung I/108 (meta.id) (ID_ALTERNATIVE)
AGK3	+481350		AGK3 number I/61 (meta.id) (ID_ALTERNATIVE)
CPC2			Second Cape Photograpic Catalog I/85 (meta.id) (ID_ALTERNATIVE)
ACRSJ	ACRS J174933.25+482809.8		ACRS number, ACRS Jhhmmss.ssSddmmss.s (Note) (meta.id) (ID_ALTERNATIVE)
RA2000	17 49 33.251	"h:m:s"	Hours RA, Equinox=J2000, Epoch=J2000 (Note) (time.epoch;pos.eq.ra) (POS_EQ_RA_OTHER)
pmRA2000	-3.20	ms/yr	Centennial RA proper motion, J2000.0 (pos.pm;pos.eq.ra) (POS_EQ_PMRA)
DE2000	+48 28 09.890	"d:m:s"	Degrees Dec, equinox, epoch J2000.0 (time.epoch;pos.eq.dec) (POS_EQ_DEC_OTHER)
pmDE2000	-31.9	mas/yr	Centennial Dec proper motion, J2000.0 (pos.pm;pos.eq.dec) (POS_EQ_PMDEC)

_RA.icrs	17 49 33.243	"h:m:s"	⁽ⁱ⁾ Right Ascension (ICRS, epoch 2000) computed by CDS (pos.eq.ra) (POS_EQ_RA_OTHER)
_DE.icrs	+48 28 09.868	"d:m:s"	⁽ⁱ⁾ Declination (ICRS, epoch 2000) computed by CDS (pos.eq.dec) (POS_EQ_DEC_OTHER)

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