VizieR

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VizieR

Simple TargetList Of TargetsFast Xmatch with large catalogs or Simbad
Target Name (resolved by Sesame) or Position:
 Target dimension:
NB: The epoch used for the query is the original epoch of the table(s)Radius Box size

  
J/A+A/666/A31
  Sgr B2 UCHII regions in 6, 22.4 and 96GHz (Meng+, 2022)
ReadMe+ftp
2022A&A...666A..31M
Similar Catalogs
image/fits
Post annotation 		img(gal)
1.J/A+A/666/A31/tableb1(c)Photometry of UCHII regions in 6, 22.4 and 96GHz (54 rows)
2.J/A+A/666/A31/tableb2Derived physical parameters of UCHII regions (54 rows)
3.J/A+A/666/A31/list(c)Infornation on fits image (1 rows)

Simple ConstraintList Of Constraints
 
Query by Constraints constraints help applied on Columns (Output Order: + - )
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Column  Constraint Explain   (UCD)
  (ALL)recno  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)
  (1+2)ID   [1/54] Identifier (meta.id;meta.main)
  (1)n_ID (char) [ab* ] Note on ID (Note 1)   (meta.note)
  (1)RAJ2000 "h:m:s" (i) Right ascension (J2000) (pos.eq.ra;meta.main)
  (1)DEJ2000 "d:m:s" (i) Declination sign (J2000) (pos.eq.dec;meta.main)
  (1)r6GHz arcsec Observed radius in 6GHz (phys.angSize;src)
  (1)S66GHz mJy Observed flux in 6GHz (phot.flux.density;em.radio.3-6GHz)
  (1)e_S66GHz mJy Error of observed flux in 6GHz (stat.error)
  (1)r22GHz arcsec (n) Observed radius in 22.4GHz (Note 2)   (phys.angSize;src)
  (1)S22GHz mJy (n) Observed flux in 22.4GHz (Note 2)   (phot.flux.density;em.radio.12-30GHz)
  (1)e_S22GHz mJy (n) Error of observed flux in 22.4GHz (Note 2)   (stat.error)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  (1)r96GHz arcsec Observed radius in 96GHz (phys.angSize;src)
  (1)S96GHz mJy Observed flux in 96GHz (phot.flux.density;em.mm.50-100GHz)
  (1)e_S96GHz mJy Error of observed flux in 96GHz (stat.error)
  (1)alpha  (n) Spectral index between 6 and 22.4GHz (Note 2)   (spect.index;em.radio.12-30GHz)
  (1)e_alpha  (n) Error of spectral index (Note 2)   (stat.error;pos.eq.ra)
  (2)rcalc 10-3pc Calculated Radius of UCHII regions (phys.angSize;src)
  (2)EM 10+7pc/cm^6Emission measure (phys.emissMeasure)
  (2)log(N'Ly) [s-1] Log of Lyman continuum flux (phot.flux.density;spect.continuum)
  (2)ne 10+4cm-3 Electron number density (meta.id)
  (2)nH2 10+6cm-3 (n) Neutral gas number density in H2 (meta.number;phys.density)
  (2)ri 10-3pc Initial radius of HII regions (phys.angSize;src)
  (2)T 10+4yr Expansion-time of HII regions (time.epoch)
  (3)RAJ2000 deg (i) Right Ascension of center (J2000) (pos.eq.ra;meta.main)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  (3)DEJ2000 deg (i) Declination of center (J2000) (pos.eq.dec;meta.main)
  (3)Nx  Number of pixels along X-axis (meta.number)
  (3)Ny  Number of pixels along Y-axis (meta.number)
  (3)Obs.date s (n)Observation date (time.epoch;obs)
  (3)size Kibyte Size of FITS file (phys.size;meta.fits)
  (3)FileName (char) Name of FITS file, in subdirectory fits (meta.id;meta.fits)
  (3)Title (char) Title of the FITS file (meta.title;meta.fits)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
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