VizieR

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VizieR

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J/ApJ/678/96/table2 Extragalactic H2O masers (Braatz+, 2008)
Galaxies surveyed for water maser emission but not detected (648 rows)
  recno=340
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ColumnValue  Explain   (UCD)
_RAJ200009 09 00.9700 "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+53 50 58.200 "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)
_RAB195009 05 24.4095 "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+54 03 08.510 "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)
_Glon163.5936807 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+41.6643998 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)
340recno 340  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

NameNGC 2756  Source name (meta.id;meta.main)
RAJ200009 09 00.97 "h:m:s" (i) Hour of Right Ascension (J2000) (pos.eq.ra;meta.main)
DEJ2000+53 50 58.2 "d:m:s" (i) Degree of Declination (J2000) (pos.eq.dec;meta.main)
Vel 4019 km/s Recession velocity (instr.bandwidth)
ObsDate2005-12-31 "Y:M:D" Date of the observation (time.epoch)
Temp 52.2 K System temperature from first spectral window (phys.temperature)
Time 5 min Integration time (time.duration;obs.exposure)
rms1 7.2 mJy RMS noise from first spectral window (Note 1)   (instr.det.noise)
V1low 2641 km/s Lower velocity range covered by first window (instr.bandwidth)
V1hi 5410 km/s Upper velocity range covered by first window (instr.bandwidth)
rms2 6.7 mJy RMS noise from second spectral windown (Note 1)   (instr.det.noise)
V2low 5131 km/s Lower velocity range covered by second window (instr.bandwidth)
V2hi 7946 km/s Upper velocity range covered by second window (instr.bandwidth)

SimbadSimbad  ask the Simbad data-base about this object
NEDNED  ask the NED data-base about this object
  
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