VizieR

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VizieR

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J/ApJ/836/174/pkfreq Extragalactic peaked-spectrum radio sources (Callingham+, 2017)
The peaked-spectrum sources in the high and low frequency samples (sources with a spectral peak between 72MHz and 1.4GHz) (original column names in green) (1222 rows)
  recno=545
Post annotation about this record
ColumnValue  Explain   (UCD)
_RAJ200009 03 43.81707 "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)
_DEJ2000-17 59 50.5860 "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 01 25.15240 "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)
_DEB1950-17 47 54.0960 "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)
_Glon245.63160348 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+18.72482335 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)
545recno 545  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

Gleam_nameJ090343-175950  Name of the source in the GLEAM extragalactic catalog (Hurley-Walker+, 2016, VIII/100) (Gleam_name) (meta.id;meta.main)
RA_gleam135.932571 deg (i) Right ascension of the source in the GLEAM extragalactic catalog (J2000) (RA_gleam) (pos.eq.ra;meta.main)
Dec_gleam-17.997385 deg (i) Declination of the source in the GLEAM extragalactic catalog (J2000) (Dec_gleam) (pos.eq.dec;meta.main)
S_p 0.344686 Jy [0.1/54] Flux density at the spectral peak (S_p) (phot.flux.density;em.radio)
S_p_error 0.036058 Jy [0.02/3] Uncertainty in Spk (S_p_error) (stat.error)
nu_p186 MHz [72/944] Frequency of the spectral peak (nu_p) (em.freq)
nu_p_error 38 MHz [8/330] Uncertainty in nuPk (nu_p_error) (stat.error)
alpha_thin-1.474303   [-3/1.6] Optically thin spectral index from fitting Equation 3 to the entire spectrum (alpha_thin) (Note 1)   (spect.index)
alpha_thin_error 0.104140   [0.04/1] Uncertainty in alpTn (alpha_thin_error) (stat.error)
alpha_thick 0.851866   [0.003/5] Optically thick spectral index from fitting Equation 3 to the entire spectrum (alpha_thick) (Note 1)   (spect.index)
alpha_thick_error 0.281539   [0.07/3] Uncertainty in alpTk (alpha_thick_error) (stat.error)
alpha_low 0.353029   [-1.1/2.7] Low frequency spectral index derived from fitting a power-law to data between 72 and 231MHz (alpha_low) (spect.index)
alpha_low_error 0.081214   [0.06/0.9] Uncertainty in alpLow (alpha_low_error) (stat.error)
alpha_high-1.136891   [-2.1/0] High frequency spectral index derived from fitting a power-law to SUMSS and/or NVSS flux density point(s) and to GLEAM data at 189 and 212MHz (alpha_high) (spect.index)
alpha_high_error 0.092807   [0.07/0.5] Uncertainty in alpHigh (alpha_high_error) (stat.error)
q-0.650407   [-10/9] Curvature parameter derived from fitting Equation 2 to only the GLEAM data (q) (Note G1)   (src.spType)
q_error 0.268819   [0.01/5] Uncertainty in q (q_error) (stat.error)
z    [0.03/5.2] Spectroscopic redshift (z) (src.redshift)
z_ref    [4/89] Reference for the reported spectroscopic redshift (z_ref) (see refs.dat file) (meta.ref;pos.frame)
S_200 0.344992 Jy [0.1/52] Integrated 200MHz flux density measurement of the source in the GLEAM wideband image (S_200) (phot.flux.density;em.radio.100-200MHz)
S_200_error 0.010627 Jy [0.005/0.2] Uncertainty in S200 (S_200_error) (stat.error)
RA_vlssr  deg Right ascension of the source in VLSSr (Lane+, 2014, VIII/97) (RA_vlssr) (pos.eq.ra)
Dec_vlssr  deg Declination of the source in VLSSr (Dec_vlssr) (pos.eq.dec)

VLSSrVLSSr  Display data from the 74MHz VLA Low-frequency Sky Survey Redux (Lane+, 2014, VIII/97) within 35" (meta.ref.url)

S_vlssr  Jy [0.3/57] VLSSr flux density at 74MHz (S_vlssr) (phot.flux.density;em.radio.20-100MHz)
S_vlssr_error  Jy [0.01/3] Uncertainty in SVLSSr, convolved with calibration uncertainty (S_vlssr_error) (stat.error)
TGSSADRJ090344.0-175953  Name of the source in TGSS-ADR1 (Intema+, 2017, J/A+A/598/A78) (TGSS-ADR1_name) (meta.id.cross)
RA_tgss135.93352 deg Right ascension of the source in TGSS-ADR1 (J2000) (RA_tgss) (pos.eq.ra)
Dec_tgss-17.99822 deg Declination of the source in TGSS-ADR1 (J2000) (Dec_tgss) (pos.eq.dec)
S_tgss 0.3678 Jy [0.04/58] TGSS-ADR1 flux density at 150MHz (S_tgss) (phot.flux.density;em.radio.100-200MHz)
S_tgss_error 0.0373 Jy [0.006/6] Uncertainty in STGSS (S_tgss_error) (stat.error)
MRC_name   Name of the source in MRC (Large+, 1991, VIII/16) (MRC_name) (meta.id.cross)
RA_mrc  deg Right ascension of the source in MRC (J2000) (RA_mrc) (pos.eq.ra)
Dec_mrc  deg Declination of the source in MRC (J2000) (Dec_mrc) (pos.eq.dec)
S_mrc  Jy [0.7/52] MRC flux density at 408MHz (S_mrc) (phot.flux.density;em.radio.200-400MHz)
S_mrc_error  Jy [0.04/3] Uncertainty in SMRC, convolved with calibration uncertainty (S_mrc_error) (stat.error)
RA_sumss  deg Right ascension of the source in SUMSS (J2000) (RA_sumss) (pos.eq.ra)
Dec_sumss  deg Declination of the source in SUMSS (J2000) (Dec_sumss) (pos.eq.dec)

SUMSSSUMSS  Display data from SUMSS (Mauch+, 2008, VIII/81) within 30" (meta.ref.url)

S_sumss  Jy [0.02/25] SUMSS flux density at 843MHz (S_sumss) (phot.flux.density;em.radio.750-1500MHz)
S_summs_error  Jy [0.001/2] Uncertainty in SSUMSS, convolved with calibration uncertainty (S_summs_error) (stat.error)
RA_nvss135.933792 deg Right ascension of the source in NVSS (J2000) (RA_nvss) (pos.eq.ra)
Dec_nvss-17.997952 deg Declination of the source in NVSS (J2000) (Dec_nvss) (pos.eq.dec)

NVSS NVSS  Display data from NVSS (Condon+ 1998, VIII/65) within 30" (meta.ref.url)

S_nvss 0.037197 Jy [0.01/9] NVSS flux density at 1.4GHz (S_nvss) (phot.flux.density;em.radio.750-1500MHz)
S_nvss_error 0.001860 Jy [0.0008/0.5] Uncertainty in SNVSS, convolved with calibration uncertainty (S_nvss_error) (stat.error)
S_76 0.218293 Jy [-0.4/52] Integrated flux density at 76MHz from the GLEAM extragalactic catalog (S_76) (phot.flux.density;em.radio.20-100MHz)
S_76_err 0.068019 Jy [0.05/2] Uncertainty in S76, which is the convolution of fitting and systematic errors (S_76_err) (stat.error)
S_84 0.244092 Jy [-0.2/54] Integrated flux density at 84MHz from the GLEAM extragalactic catalog (S_84) (phot.flux.density;em.radio.20-100MHz)
S_84_err 0.054555 Jy [0.04/2] Uncertainty in S84, which is the convolution of fitting and systematic errors (S_84_err) (stat.error)
S_92 0.170239 Jy [-0.2/54] Integrated flux density at 92MHz from the GLEAM extragalactic catalog (S_92) (phot.flux.density;em.radio.20-100MHz)
S_92_err 0.046074 Jy [0.03/2] Uncertainty in S92, which is the convolution of fitting and systematic errors (S_92_err) (stat.error)
S_99 0.249893 Jy [-0.2/54] Integrated flux density at 99MHz from the GLEAM extragalactic catalog (S_99) (phot.flux.density;em.radio.100-200MHz)
S_99_err 0.042065 Jy [0.03/2] Uncertainty in S99, which is the convolution of fitting and systematic errors (S_99_err) (stat.error)
S_107 0.270137 Jy [-0.2/56] Integrated flux density at 107MHz from the GLEAM extragalactic catalog (S_107) (phot.flux.density;em.radio.100-200MHz)
S_107_err 0.036525 Jy [0.02/2] Uncertainty in S107, which is the convolution of fitting and systematic errors (S_107_err) (stat.error)
S_115 0.263636 Jy [-0.2/53] Integrated flux density at 115MHz from the GLEAM extragalactic catalog (S_115) (phot.flux.density;em.radio.100-200MHz)
S_115_err 0.033058 Jy [0.02/2] Uncertainty in S115, which is the convolution of fitting and systematic errors (S_115_err) (stat.error)
S_122 0.317791 Jy [-0.05/51] Integrated flux density at 122MHz from the GLEAM extragalactic catalog (S_122) (phot.flux.density;em.radio.100-200MHz)
S_122_err 0.030672 Jy [0.02/2] Uncertainty in S122, which is the convolution of fitting and systematic errors (S_122_err) (stat.error)
S_130 0.279709 Jy [-0.005/48] Integrated flux density at 130MHz from the GLEAM extragalactic catalog (S_130) (phot.flux.density;em.radio.100-200MHz)
S_130_err 0.029605 Jy [0.02/2] Uncertainty in S130, which is the convolution of fitting and systematic errors (S_130_err) (stat.error)
S_143 0.295079 Jy [0.01/46] Integrated flux density at 143MHz from the GLEAM extragalactic catalog (S_143) (phot.flux.density;em.radio.100-200MHz)
S_143_err 0.023170 Jy [0.01/2] Uncertainty in S143, which is the convolution of fitting and systematic errors (S_143_err) (stat.error)
S_151 0.344674 Jy [0.04/46] Integrated flux density at 151MHz from the GLEAM extragalactic catalog (S_151) (phot.flux.density;em.radio.100-200MHz)
S_151_err 0.021947 Jy [0.01/2] Uncertainty in S151, which is the convolution of fitting and systematic errors (S_151_err) (stat.error)
S_158 0.348905 Jy [0.04/47] Integrated flux density at 158MHz from the GLEAM extragalactic catalog (S_158) (phot.flux.density;em.radio.100-200MHz)
S_158_err 0.021127 Jy [0.01/2] Uncertainty in S158, which is the convolution of fitting and systematic errors (S_158_err) (stat.error)
S_166 0.344172 Jy [0.05/48] Integrated flux density at 166MHz from the GLEAM extragalactic catalog (S_166) (phot.flux.density;em.radio.100-200MHz)
S_166_err 0.021089 Jy [0.01/2] Uncertainty in S166, which is the convolution of fitting and systematic errors (S_166_err) (stat.error)
S_174 0.322839 Jy [0.09/50] Integrated flux density at 174MHz from the GLEAM extragalactic catalog (S_174) (phot.flux.density;em.radio.100-200MHz)
S_174_err 0.025369 Jy [0.01/2] Uncertainty in S174, which is the convolution of fitting and systematic errors (S_174_err) (stat.error)
S_181 0.333903 Jy [0.06/51] Integrated flux density at 181MHz from the GLEAM extragalactic catalog (S_181) (phot.flux.density;em.radio.100-200MHz)
S_181_err 0.022802 Jy [0.01/2] Uncertainty in S181, which is the convolution of fitting and systematic errors (S_181_err) (stat.error)
S_189 0.366783 Jy [0.1/51] Integrated flux density at 189MHz from the GLEAM extragalactic catalog (S_189) (phot.flux.density;em.radio.100-200MHz)
S_189_err 0.023048 Jy [0.01/2] Uncertainty in S189, which is the convolution of fitting and systematic errors (S_189_err) (stat.error)
S_197 0.315401 Jy [0.05/51] Integrated flux density at 197MHz from the GLEAM extragalactic catalog (S_197) (phot.flux.density;em.radio.100-200MHz)
S_197_err 0.021840 Jy [0.01/2] Uncertainty in S197, which is the convolution of fitting and systematic errors (S_197_err) (stat.error)
S_204 0.324837 Jy [0.06/51] Integrated flux density at 204MHz from the GLEAM extragalactic catalog (S_204) (phot.flux.density;em.radio.100-200MHz)
S_204_err 0.022145 Jy [0.01/2] Uncertainty in S204, which is the convolution of fitting and systematic errors (S_204_err) (stat.error)
S_212 0.313854 Jy [0.1/51] Integrated flux density at 212MHz from the GLEAM extragalactic catalog (S_212) (phot.flux.density;em.radio.200-400MHz)
S_212_err 0.021093 Jy [0.01/2] Uncertainty in S212, which is the convolution of fitting and systematic errors (S_212_err) (stat.error)
S_220 0.355710 Jy [0.1/51] Integrated flux density at 220MHz from the GLEAM extragalactic catalog (S_220) (phot.flux.density;em.radio.200-400MHz)
S_220_err 0.020760 Jy [0.01/2] Uncertainty in S220, which is the convolution of fitting and systematic errors (S_220_err) (stat.error)
S_227 0.355420 Jy [0.05/51] Integrated flux density at 227MHz from the GLEAM extragalactic catalog (S_227) (phot.flux.density;em.radio.200-400MHz)
S_227_err 0.020557 Jy [0.01/2] Uncertainty in S227, which is the convolution of fitting and systematic errors (S_227_err) (stat.error)

SEDSED  Plot the spectrum with SPECFIND (Vollmer et al. 2009, Cat. VIII/85) (meta.ref.url)
  
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