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PERTH: Perth Observations
Contents
Table name: perth70
Records: 24978
Spectral Band: OPT,Vband
Kind of Object: Southern Star
Mode: Astrometry,Proper Motion
PreView: no
Coordinates: B1950
Reference
- Hog E., von der Heide J. Abh. Hamburger Sternwarte 9,1-334. Perth
70, a catalogue of positions of 24900 stars.
Description
The catalogue contains astrometric data on Southern Stars.
Fields
Name Type Meaning
srs i4 Southern Reference Stars number
dm i4 Durchmusterung Number
r_a i4 RA for epoch + equinox 1950.0 (SRS)
dec i4 Declination for epoch + equinox 1950.0 (SRS)
epa i2 Mean Epoch (offset 1900.00) for rap
epd i2 Mean Epoch (offset 1900.00) for dep
rap i4 RA for equinox and equator 1950.0, epoch epa
dep i4 Declination for equinox and equator 1950.0, epoch epd
pma i4 Annual proper motion (mu)_(alp) (arcsec/yr)
pmd i4 Annual proper motion (mu)_(del) (arcsec/yr)
rvel i2 Radial Velocity (km/s)
plx i2 Parallax (arcsec)
nr i4 Observing Number of Star
fk4 i2 FK4-Supp number (or 0)
pa i2 Mean Parallax factor in RA
pd i2 Mean Parallax factor in Declination
vmag i2 Observed visual magnitude, mean value
mag i2 SRS magnitude
sp c2 Spectral classiifcation
e_ra i4 Mean error of one observation in RA
e_dec i4 Mean error of one observation in Declination
e_vmag i2 Mean error of one observation in Magnitude
lc i1 1 if lower culmination, 0 otherwise
fsbp c1 Type of star:
F FK4 Star
S FK4 Supplement Star
B Bright Star, but not FK4
P SRS Program Star
mda i4 Mean value of (DEL)(alp)(del)
mdd i4 Mean value of (DEL)(del)
epm i2 Mean Epoch (offset 1900.00) for vmag
nrl i4 Observing number of the same Star if observed in lower
culmination (ie lc=1)
o_ra i1 Number of accepted RA observations
o_dec i1 Number of accepted Declination observations
o_mag i1 Number of accepted Magnitude observations
Derived Values
_ra F J2000 Right Ascension
_de F J2000 Declination
_lii F Galactic Longitude
_bii F Galactic Latitude