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J/AJ/133/1585/table2 Stromgren photometry in NGC 6791 (Anthony-Twarog+, 2007)
Extended Stromgren photometry in NGC 6791 (6313 rows)
  recno=4066
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ColumnValue  Explain   (UCD)
_RAJ200019 20 34.98013 "h:m:s" Right ascension (FK5, Equinox=J2000.0) (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.eq.ra)
_DEJ2000+37 45 52.4100 "d:m:s" Declination (FK5, Equinox=J2000.0) (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.eq.dec)
_RAB195019 18 49.75425 "h:m:s" Right ascension (FK4, Equinox=B1950.0) (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.eq.ra)
_DEB1950+37 40 10.9101 "d:m:s" Declination (FK4, Equinox=B1950.0) (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.eq.dec)
_Glon069.92551425 deg Galactic longitude (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lon)
_Glat+10.95404963 deg Galactic latitude (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lat)
4066recno 4066  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

WEBDA 6708  The Webda designation, Cl* NGC 6791 ATM NNNNN in Simbad (meta.id;meta.main)
Xpos-242.72 pix The X pixel coordinate (pos.cartesian.x)
Ypos -47.32 pix The Y pixel coordinate (pos.cartesian.y)
Vmag15.063 mag Stromgren V band magnitude (phot.mag;em.opt.B)
e_Vmag 0.003 mag The 1σ error in Vmag (stat.error;phot.mag;em.opt.V)
b-y 0.354 mag Stromgren (b-y) colour (phot.color;em.opt.B;em.opt.V)
e_b-y 0.004 mag The 1σ error in b-y (stat.error;phot.color;em.opt.B)
m1 0.162 mag Stromgren m1 index (phot.color)
e_m1 0.006 mag The 1σ error in m1 (stat.error)
Hb 2.694 mag Stromgren Hβ colour index (phot.color;em.opt.B;em.line.Hbeta)
e_Hb 0.005 mag The 1σ error in Hb (stat.error)
hk 0.560 mag Stromgren hk [(Ca-b) - (b-y)] colour index (phot.color)
e_hk 0.006 mag The 1σ error in hk (stat.error)
o_y15  Number of y band observations (meta.number)
o_b15  Number of b band observations (meta.number)
o_v14  Number of v band observations (meta.number)
o_w14  Number of w band observations (meta.number)
o_n12  Number of n band observations (meta.number)
o_Ca13  Number of Ca band observations (meta.number)

_RA290.145751 deg (i) Position computed from a comparison with UCAC3 (I/315) catalog (σ=0.07'') (right ascension part) (pos.eq.ra;meta.main)
_DE+37.764558 deg (i) Position computed from a comparison with UCAC3 (I/315) catalog (σ=0.07'') (declination part) (pos.eq.dec;meta.main)
  
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