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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=1568
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ColumnValue  Explain   (UCD)
_RAJ200019 21 02.16253 "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 39.6260 "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 19 16.89511 "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 39 56.2664 "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)
_Glon069.96220854 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+10.87200417 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)
1568recno 1568  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

WEBDA 2371  The Webda designation, Cl* NGC 6791 ATM NNNNN in Simbad (meta.id;meta.main)
Xpos 172.36 pix The X pixel coordinate (pos.cartesian.x)
Ypos -73.51 pix The Y pixel coordinate (pos.cartesian.y)
Vmag18.392 mag Stromgren V band magnitude (phot.mag;em.opt.B)
e_Vmag 0.011 mag The 1σ error in Vmag (stat.error;phot.mag;em.opt.V)
b-y 0.680 mag Stromgren (b-y) colour (phot.color;em.opt.B;em.opt.V)
e_b-y 0.020 mag The 1σ error in b-y (stat.error;phot.color;em.opt.B)
m1 0.310 mag Stromgren m1 index (phot.color)
e_m1 0.031 mag The 1σ error in m1 (stat.error)
Hb 2.620 mag Stromgren Hβ colour index (phot.color;em.opt.B;em.line.Hbeta)
e_Hb 0.038 mag The 1σ error in Hb (stat.error)
hk 0.994 mag Stromgren hk [(Ca-b) - (b-y)] colour index (phot.color)
e_hk 0.043 mag The 1σ error in hk (stat.error)
o_y11  Number of y band observations (meta.number)
o_b10  Number of b band observations (meta.number)
o_v 8  Number of v band observations (meta.number)
o_w 9  Number of w band observations (meta.number)
o_n 4  Number of n band observations (meta.number)
o_Ca 2  Number of Ca band observations (meta.number)

_RA290.259011 deg (i) Position computed from a comparison with UCAC3 (I/315) catalog (σ=0.07'') (right ascension part) (pos.eq.ra;meta.main)
_DE+37.761007 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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