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VizieR

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J/ApJ/833/18/table3 Ultra-compact HII regions & methanol masers. I. (Hu+, 2016)
6.7GHz methanol maser catalog (corrected version from the author) (367 rows)
  Name===G081.721+0.571
Post annotation about this record
ColumnValue  Explain   (UCD)
_RAJ200020 39 01.06600 "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 22 48.9700 "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 14.14038 "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 12 11.2563 "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)
_Glon081.72184006 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 +0.57099284 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)
325recno 325  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)
Ns 11  Number of maser spots (linked to table 4) (meta.number)

NameG081.721+0.571  (i) Source name (GLLL.lll+B.bbb) (meta.id;meta.main)

C 0  Display the radio continuum counterpart (table 5) if any (meta.ref.url)

RAJ200020 39 01.066 "h:m:s" (i) Hour of Right Ascension (J2000) (pos.eq.ra;meta.main)
DEJ2000+42 22 48.97 "d:m:s" (i) Degree of Declination (J2000) (pos.eq.dec;meta.main)
Vlsr -3.16 km/s [-70/153] Local Standard of Rest (LSR) velocity of strongest maser spot (phys.veloc;pos.lsr)
DelV 1.76 km/s [0.1/21] Velocity range of maser ΔV (phys.veloc;pos.cartesian.y)
Spk 2.96 Jy/beam [0.2/3629] Peak flux density (phot.flux)
Sint 16.74 Jy [0.4/37475] Integrated flux density (phot.flux)
Dist 1.5 kpc [0.6/17] Heliocentric distance (pos.distance)
e_Dist 0.1 kpc [0/3] Uncertainty in Dist (stat.error)
Prob 0.52  Probability source is at Distance, Dist (see section 5.2 for details) (stat.probability)
CodeN  Association code between maser source and the continuum emission (Note G1)   (meta.code)
  
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