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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=1725
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ColumnValue  Explain   (UCD)
_RAJ200019 21 00.58387 "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 06.8580 "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 15.30259 "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 23.6069 "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)
_Glon069.95155643 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+10.87268634 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)
1725recno 1725  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

WEBDA 2644  The Webda designation, Cl* NGC 6791 ATM NNNNN in Simbad (meta.id;meta.main)
Xpos 147.28 pix The X pixel coordinate (pos.cartesian.x)
Ypos-115.21 pix The Y pixel coordinate (pos.cartesian.y)
Vmag17.466 mag Stromgren V band magnitude (phot.mag;em.opt.B)
e_Vmag 0.007 mag The 1σ error in Vmag (stat.error;phot.mag;em.opt.V)
b-y 0.565 mag Stromgren (b-y) colour (phot.color;em.opt.B;em.opt.V)
e_b-y 0.010 mag The 1σ error in b-y (stat.error;phot.color;em.opt.B)
m1 0.200 mag Stromgren m1 index (phot.color)
e_m1 0.015 mag The 1σ error in m1 (stat.error)
Hb 2.594 mag Stromgren Hβ colour index (phot.color;em.opt.B;em.line.Hbeta)
e_Hb 0.011 mag The 1σ error in Hb (stat.error)
hk 0.817 mag Stromgren hk [(Ca-b) - (b-y)] colour index (phot.color)
e_hk 0.016 mag The 1σ error in hk (stat.error)
o_y15  Number of y band observations (meta.number)
o_b14  Number of b band observations (meta.number)
o_v13  Number of v band observations (meta.number)
o_w14  Number of w band observations (meta.number)
o_n10  Number of n band observations (meta.number)
o_Ca10  Number of Ca band observations (meta.number)

_RA290.252433 deg (i) Position computed from a comparison with UCAC3 (I/315) catalog (σ=0.07'') (right ascension part) (pos.eq.ra;meta.main)
_DE+37.751905 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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