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J/ApJ/833/18/table4 Ultra-compact HII regions & methanol masers. I. (Hu+, 2016)
The maser spots catalog (corrected version from the author) (8971 rows)
  recno=8109
Post annotation about this record
ColumnValue  Explain   (UCD)
_RAJ200020 39 00.37400 "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+42 24 37.1300 "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)
_RAB195020 37 13.49964 "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+42 13 59.4538 "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)
_Glon081.74439466 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 +0.59095644 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)
8109recno 8109  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

NameG081.721+0.571  Source name (GLLL.lll+B.bbb) (linked to 6.7GHz methanol maser catalog (table 3)) (meta.id;meta.main)
RAJ200020 39 00.374 "h:m:s" (i) Hour of Right Ascension (J2000) of reference position (pos.eq.ra;meta.main)
DEJ2000+42 24 37.13 "d:m:s" (i) Degree of Declination (J2000) of reference position (pos.eq.dec;meta.main)
Vlsr -2.99 km/s [-72/159] Radial Velocity of maser spot (spect.dopplerVeloc;pos.lsr)
Spk 2.56 Jy/beam [0.08/3629] Peak Flux of maser spot, Jansky (phot.flux)
dX 7.711 arcsec X offset to maser spot from reference position (pos;arith.diff)
e_dX 0.005 arcsec Uncertainty in X offset (stat.error)
dY-108.145 arcsec Y offset to maser spot from reference position (pos.cartesian.y;arith.diff;instr.det)
e_dY 0.005 arcsec Uncertainty in Y offset (stat.error)
  
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