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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=2608
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ColumnValue  Explain   (UCD)
_RAJ200019 20 51.72493 "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 27.9550 "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 06.46543 "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 45.3096 "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)
_Glon069.94389280 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+10.90148607 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)
2608recno 2608  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

WEBDA 4141  The Webda designation, Cl* NGC 6791 ATM NNNNN in Simbad (meta.id;meta.main)
Xpos 12.48 pix The X pixel coordinate (pos.cartesian.x)
Ypos -84.89 pix The Y pixel coordinate (pos.cartesian.y)
Vmag19.050 mag Stromgren V band magnitude (phot.mag;em.opt.B)
e_Vmag 0.032 mag The 1σ error in Vmag (stat.error;phot.mag;em.opt.V)
b-y 0.577 mag Stromgren (b-y) colour (phot.color;em.opt.B;em.opt.V)
e_b-y 0.046 mag The 1σ error in b-y (stat.error;phot.color;em.opt.B)
m1 0.334 mag Stromgren m1 index (phot.color)
e_m1 0.059 mag The 1σ error in m1 (stat.error)
Hb 2.410 mag Stromgren Hβ colour index (phot.color;em.opt.B;em.line.Hbeta)
e_Hb 0.024 mag The 1σ error in Hb (stat.error)
hk  mag Stromgren hk [(Ca-b) - (b-y)] colour index (phot.color)
e_hk  mag The 1σ error in hk (stat.error)
o_y 8  Number of y band observations (meta.number)
o_b 8  Number of b band observations (meta.number)
o_v 7  Number of v band observations (meta.number)
o_w 8  Number of w band observations (meta.number)
o_n 1  Number of n band observations (meta.number)
o_Ca 0  Number of Ca band observations (meta.number)

_RA290.215521 deg (i) Position computed from a comparison with UCAC3 (I/315) catalog (σ=0.07'') (right ascension part) (pos.eq.ra;meta.main)
_DE+37.757765 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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