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J/ApJ/867/105/refcat2 ATLAS all-sky stellar ref. catalog, ATLAS-REFCAT2 (Tonry+, 2018)
ATLAS all-sky stellar reference catalog, ATLAS-REFCAT2 (original column names in green) (992637834 rows)
  -c=050.73889000 -18.39709999, eq=ICRS, rs=2
Post annotation about this record
ColumnValue  Explain   (UCD)
_r0.000 arcsec Distance from center (050.73889000-18.39709999)[ICRS], at Epoch=J2015.5 (pos.angDistance)
_RAJ200003 22 57.3336000 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000-18 23 49.559964 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195003 20 40.8148836 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950-18 34 27.796537 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon206.9904000055 deg Galactic longitude at Epoch=J2015.5, proper motions taken into account (pos.galactic.lon)
_Glat-54.1427440642 deg Galactic latitude at Epoch=J2015.5, proper motions taken into account (pos.galactic.lat)
GaiaDR2GaiaDR2  Display the Gaia DR2 data (Gaia collaboation, 2018, I/345) (meta.ref.url)

RA050.73889000 deg (i) Right ascension from Gaia DR2 (ICRS), epoch 2015.5 (RA) (pos.eq.ra;meta.main)
Dec-18.39709999 deg (i) Declination from Gaia DR2 (ICRS), epoch 2015.5 (Dec) (pos.eq.dec;meta.main)
plx  mas Parallax from Gaia DR2 (plx) (pos.parallax)
dplx  mas Parallax uncertainty (dplx) (stat.error;pos.parallax)
pmra  mas/yr Proper motion in right ascension from Gaia DR2 (pmra) (pos.pm;pos.eq.ra)
dpmra  mas/yr Proper-motion uncertainty in right ascension (dpmra) (stat.error;pos.pm;pos.eq.ra)
pmdec  mas/yr Proper motion in declination from Gaia DR2 (pmdec) (pos.pm;pos.eq.dec)
dpmdec  mas/yr Proper-motion uncertainty in declination (dpmdec) (stat.error;pos.pm;pos.eq.dec)
Gaia  mag Gaia DR2 G magnitude (Gaia) (phot.mag;stat.mean;em.opt)
dGaia  mag Gaia DR2 G-magnitude uncertainty (dGaia) (stat.error;phot.mag;stat.mean)
BP  mag Gaia GBP magnitude (BP) (phot.mag;stat.mean;em.opt.B)
dBP  mag Gaia GBP-magnitude uncertainty (dBP) (stat.error;phot.mag;stat.mean)
RP  mag Gaia GRP magnitude (RP) (phot.mag;stat.mean;em.opt.R)
dRP  mag Gaia GRP-magnitude uncertainty (dRP) (stat.error;phot.mag;stat.mean)
Teff  K Gaia stellar effective temperature (Teff) (phys.temperature.effective)
AGaia  mag Gaia estimate of G-band extinction for this star (AGaia) (phys.absorption.gal)
dupvar2  Gaia flags (dupvar) (Note 1)   (meta.code)
Ag 0.129 mag Schlegel, Finkbeiner & Davis (1998ApJ...500..525S) estimate of total column g-band extinction (Ag) (phys.absorption)
rp199.9 arcsec Radius where cumulative G flux exceeds 0.1 x this star (rp1) (Note 2)   (phys.angSize)
r199.9 arcsec Radius where cumulative G flux exceeds 1 x this star (r1) (Note 2)   (phys.angSize)
r1099.9 arcsec Radius where cumulative G flux exceeds 10 x this star (r10) (Note 2)   (phys.angSize)
g19.309 mag Pan-STARRS gP1 magnitude (g) (phot.mag;em.opt.B)
dg 0.029 mag Pan-STARRS gP1-magnitude uncertainty (dg) (stat.error;phot.mag;em.opt.B)
gchi10.05  chi2/dof for contributors to g (gchi) (stat.fit.chi2)
gcontrib04  Bitmap of contributing catalogs to g (gcontrib) (Note 3)   (meta.code)
r18.525 mag Pan-STARRS rP1 magnitude (r) (phot.mag;em.opt.R)
dr 0.040 mag Pan-STARRS rP1-magnitude uncertainty (dr) (stat.error;phot.mag;em.opt.R)
rchi 8.19  chi2/dof for contributors to r (rchi) (stat.fit.chi2)
rcontrib04  Bitmap of contributing catalogs to r (rcontrib) (Note 3)   (meta.code)
i18.286 mag Pan-STARRS iP1 magnitude (i) (phot.mag;em.opt.I)
di 0.040 mag Pan-STARRS iP1-magnitude uncertainty (di) (stat.error;phot.mag;em.opt.I)
ichi 0.77  chi2/dof for contributors to i (ichi) (stat.fit.chi2)
icontrib04  Bitmap of contributing catalogs to i (icontrib) (Note 3)   (meta.code)
z17.817 mag Pan-STARRS zP1 magnitude (z) (phot.mag;em.opt.I)
dz 0.080 mag Pan-STARRS zP1-magnitude uncertainty (dz) (stat.error;phot.mag;em.opt.I)
zchi 7.59  chi2/dof for contributors to z (zchi) (stat.fit.chi2)
zcontrib04  Bitmap of contributing catalogs to z (zcontrib) (Note 3)   (meta.code)
nstat 4  Count of griz deweighted outliers (nstat) (meta.number)
J15.841 mag 2MASS J magnitude (J) (phot.mag;em.IR.J)
dJ 0.133 mag J-magnitude uncertainty (dJ) (stat.error;phot.mag;em.IR.J)
H15.289 mag 2MASS H magnitude (H) (phot.mag;em.IR.H)
dH 0.171 mag 2MASS H-magnitude uncertainty (dH) (stat.error;phot.mag;em.IR.H)
K14.715 mag 2MASS K magnitude (K) (phot.mag;em.IR.K)
dK 0.148 mag 2MASS K-magnitude uncertainty (dK) (stat.error;phot.mag;em.IR.K)
  
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