Large high precision cataloguesLarge high precision catalogues of stellar data: of stellar data:

current status and prospects

N.V. Kharchenko1, A.E. Piskunov2, and R.-D.Scholz3

1Main astronomical observatory, Kiev, Ukraine2Institute of astronomy RAS, Moscow, Russia3Astrophysikalisches Institut Potsdam, Germany

Introduction

In the domain of position, photometric, and kinematic data one can observeduring last decade strong

Completion of Hipparcos -Tycho mission and construction of a uniform over the sky astrometic and photometric systems

Construction of highly automated measuring machines and telescopesfor scanning of photographic platesand sky surveying

Quality and Quantity growth

Hipparcos system high precision coordinatesOptical and IR stellar magnitudesProper motions in Hipparcos system

109 objects

Present-day all-sky catalogues

Coordinate systemrealizatiion

Coordinate griddensity increase

(guiding)

Expansion ofcoordinate system

to faint stars

Hipparcosfamily

HipparcosTycho-2

...ASCC-2.5

PhotographicSchmidt surveys

GSCUSNO

SuperCosmos

CCD/arraydetector surveysUCAC2MASSDENIS

Stars and star system studies

Catalogue parameters

Catalogue

Numberof stars

Accuracy Stellar magnitudes coordi- nates

propermotions

Type Accuracy Limit

mln mas mas/yr mmag mag

Hipparcos 0.12 0.7 - 2 0.8 - 2 Hp

BV 3 - 10 12.4

TYCHO2 2.5 7 - 60 2 - 6 BT

VT

10 - 100 15.5

ASCC-2.5 2.5 0.7 - 60 0.8 - 20 BV 3 - 100 15.5

GSC II 998 300 10 BRI 400 18 USNO-A2.0 526 250 - BR 300 22 USNO-B1.0 1046 200 15 - 70 BRI 300 22SSS (1000) 200 10 - 50 BRI 40 - 200 22 UCAC2 48(80) 20 - 40 1 - 5 R

u+JHK 300 16.5

2MASS 471 100 - JHK+BR 15 - 200 17-14.3DENIS (S) 195 500 - IJK+BR 50 - 100 14-18.5

Dec

(J2

000)

RA (J2000)

2MASS Schmidt plates

Gal

actic

Cen

ter

Sou

th G

alac

tic P

ole

Sky areas in 2MASS and SuperCosmos surveys

Catalogue Survey Emusion/ Band Band width Limiting Declination detector or

0 , nm mag deg

---------------------------------------------------------------------------------------------------------------USNO-B1.0 POSS-I O 103a-O B 440 21.0 -30..+90 GSC II POSS-II J IIIa-J Bj 385 - 540 22.5 +00..+90 SSS SERC J IIIa-J Bj 385 - 540 23.0 -90..-20 SERC EJ IIIa-J Bj 385 - 540 23.0 -15..-00 SERC QV IIa-D V 550 14.0 SGPl Palomar QV IIa-D V 550 19.5 +06..+90 POSS-I 103a-E R 620 - 670 20.0 -30..+90 POSS-II IIIa-F R 610 - 690 20.8 +00..+90 ESO-R IIIa-F R 630 - 690 22.0 -90..-05 AAO-S IIIa-F R 590 - 690 22.0 -90..-20,SGPl POSS-II IV-N I 730 - 900 19.5 +00..+90 SERC-I IV-N I 715 - 900 19.5 -90..+20 UCAC2 UCAC CCD Ru 580 - 640 16.5 -90..+90

2MASS 2MASS HgCdTe J 1250 17.1 -90..+90 detector H 1650 16.4 -90..+90 Ks 2150 14.3 -90..+90

DENIS DENIS detector Gunn-i 820 14.0 -90..+02 J 1250 16.3 -90..+02 Ks 2150 18.5 -90..+02

Photometric systems of all-sky catalogues

Brightness function in selected areas

USNO-B1.0 USNO-B1.0 (with PM)USNO-A1.0 UCAC2 2MASS

CMDs of all-sky catalogues in selected areas

ASCC-2.5

UCAC2

USNO-B1.0

DENIS

2MASS

SSSUSNO-B1.0

USNO-A2.0(black points)

&

Proper motions over the sky

Catalogue Proper motion source Epochs Completness of PMs in a catalogue-----------------------------------------------------------------------------------------------------------------------Hipparcos Original observations 1989.85-1993.21 98 %TYCHO2 Original observations, 1905 -1993.21 97 % Astrographic CatalogueASCC-2.5 Compilation of Hipparcos, 100 % Tycho-1,-2, AST RC, TRC, PPM, CMC11 dataUSNO-B1.0 Original measurements of 30 % Schmidt plates with the PMM 1949 - 2002SSS Original measurements of 65 % Schmidt plates with SuperCOSMOS 1949 - GSC II Original measurements of Schmidt plates with the GAMMA 1949 -UCAC2 Original observations, 1998.1-2004.4 100 % Original measurements of of Yellow Sky (NPM, SPM) and 1969 -1988 AGK2 plates with the PMM 1928 -1931

Proper motions versus stellar magnitudes in selected areas

ASCC-2.5

UCAC2

USNO-B1.0 & SSS (black)

Open cluster Blanco 1 in the ASCC-2.5

ASCC-2.5

UCAC2

Open cluster Per in the ASCC-2.5 and UCAC2 ф

Coordinate accuracy versus object density: average, minimum (in GP), maximum (in GC)

GSCII

Access to all-sky catalogues

Catalogue CDS Vizier ftp home--------------------------------------------------------------------------------------------------Hipparcos I/239 + + CDSTYCHO2 I/259 + + CDSASCC-2.5 I/280A + + CDSUSNO-A2.0 I/252 + + ftp://ftp.nofs.navy.mil/usnoaUSNO-B1.0 I/284 + - http://www.nofs.navy.mil/data/fchpix/SSS - - - http://www-wfau.roe.ac.uk/sssGSCII - - - http://www-gsss.stsci.edu/gsc/GSChome.htmUCAC2 I/289 + + http://ad.usno.navy.mil/ucac/2MASS II/246 + + http://www.ipac.caltech.edu/2mass/DENIS B/denis + + http://cdsweb.u-strasbg.fr/denis.html

Conclusions

Prospects

Further improving of coordinate and photometric support of catalogues of specific stellar data (spectral, RV, etc.)

Completion of SuperCOSMOS catalogueGSC II GSC 2.3

Problems:

Cross-identification of objects at different epochsAbsence of deep all-sky multi-vawelength photometric standards