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I/351/gps1_p The extended Gaia-PS1-SDSS (GPS1+) proper motion catalog (Tian+, 2020)
Extended Gaia-PS1-SDSS (GPS1+) proper motion catalog (original column names in green) (390405023 rows)
  -c=019.50290298846 +25.29457646593, eq=ICRS, rs=2
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Note:

ColumnValue  Explain   (UCD)
_r0.000 arcsec Distance from center (019.50290298846+25.29457646593)[ICRS], at Epoch=J2010.0 (pos.angDistance)
_RAJ200001 18 00.7046704260 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000+25 17 40.496227335 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195001 15 16.6856652557 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950+25 01 53.992671834 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon130.4763752729352 deg Galactic longitude at Epoch=J2010, proper motions taken into account (pos.galactic.lon)
_Glat-37.1875824097851 deg Galactic latitude at Epoch=J2010, proper motions taken into account (pos.galactic.lat)

ra019.50290298846 deg (i) Average right ascension (ICRS) at Ep=J2010 from PS1 PV3 (ra) (pos.eq.ra;meta.main)
dec+25.29457646593 deg (i) [-30.1/90] Average declination (ICRS) at Ep=J2010 from PS1 PV3 (dec) (pos.eq.dec;meta.main)
objID-4781045993476870473  (i) The unique but internal object_id in PS1 (meta.id;meta.main)
mr20.217240 mag [19/22.5] r-band magnitude from PS1 (mr) (phot.mag;em.opt.R)
muXI -10.786 mas/yr [-4.61E7/4.23E7] Proper motion with robust fit in αcosδ (muXI) (pos.pm;pos.eq.ra)
muErrXI 2.330 mas/yr [0.1/] Error of the proper motion with robust fit in αcosδ (muErrXI) (stat.error;pos.pm;pos.eq.ra)
muXxi -4.563 mas/yr [-4.61E7/4.23E7] Proper motion with cross-validated fit in αcosδ (muXxi) (pos.pm;pos.eq.ra)
muErrXxi 3.433 mas/yr [0.1/] Error of the proper motion with cross-validated fit in αcosδ (muErrXxi) (stat.error)
chi2XI 1.34232e-01   [1.4E-18/108335] Chi square from the robust proper motion fit in αcosδ (chi2XI) (stat.fit.chi2)
muXI_mcmc -8.351 mas/yr [-24893/23564] Proper motion with MCMC sampling fit in αcosδ (muXI_mcmc) (pos.pm;pos.eq.ra)
muErrXI_mcmc 1.199 mas/yr [0/29117] Error of the proper motion with MCMC sampling fit in αcosδ (muErrXI_mcmc) (stat.error)
chi2XI_mcmc 1.54736e+00   [1.2E-5/7.1E12] Chi square from MCMC sampling fit in αcosδ (chi2XI_mcmc) (stat.fit.chi2)
gpmra -7.575 mas/yr [-679/] Proper motion from Gaia DR2 in αcosδ (gpmra) (pos.pm;pos.eq.ra)
gpmraErr 1.354 mas/yr [-366/] Error of the proper motion from Gaia DR2 in αcosδ (gpmraErr) (stat.error)
muETA -2.095 mas/yr [-3.4E7/3.1E7] Proper motion with robust fit in δ (muETA) (pos.pm;pos.eq.dec)
muErrETA 2.024 mas/yr [0.2/1.3E7] Error of the proper motion with robust fit in δ (muErrETA) (stat.error;pos.pm;pos.eq.dec)
muXeta -2.145 mas/yr [-3.4E7/3.1E7] Proper motion with cross-validated fit in δ (muXeta) (pos.pm;pos.eq.dec)
muErrXeta 2.024 mas/yr [0.2/1.3E7] Error of the proper motion with cross-validated fit in δ (muErrXeta) (stat.error)
chi2ETA 1.39799e-01   [2.2E-18/77236] Chi square from the robust proper motion fit in δ (chi2ETA) (stat.fit.chi2)
muETA_mcmc -1.667 mas/yr [-24075/24165] Proper motion with MCMC sampling fit in δ (muETA_mcmc) (pos.pm;pos.eq.dec)
muErrETA_mcmc 0.982 mas/yr [0.02/29101] Error of the proper motion with MCMC sampling fit in δ (muErrETA_mcmc) (stat.error)
chi2ETA_mcmc 5.30503e-01   [3.4E-4/8E12] Chi square from MCMC sampling fit in δ (chi2ETA_mcmc) (stat.fit.chi2)
gpmdec -1.549 mas/yr [-612/] Proper motion from Gaia DR2 in δ (gpmdec) (pos.pm;pos.eq.dec)
gpmdecErr 1.291 mas/yr [-6.1/] Error of the proper motion from Gaia DR2 in δ (gpmdecErr) (stat.error)
Nobs0 5   [3/15] The number of SeasonAVG observations used in the proper motion fit (meta.number)
Nobs 7   [3/16] The number of all the observations used in the robust proper motion fit (meta.number)
Flag30   [0/35] An integer number used to flag the different data combination in the proper motion fit (Note 1)   (meta.code.error)

PS1PS1  Display the PS1 data (Chambers+ 2016, II/349) within 2" (meta.ref.url)
GaiaGaia  Display the Gaia DR2 data (I/345) within 3" (meta.ref.url)
DR9+DR12DR9+DR12  Display the SDSS photometric catalogues -DR9 (V/139) and -DR12 (V/147) within 3" (meta.ref.url)
SloanSloan  Display the online SDSS data for the nearest object (meta.ref.url)
2M2M  Display the 2MASS data (Cutri+ 2003, II/246) within 3" (meta.ref.url)
  
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