NASA/IPAC EXTRAGALACTIC DATABASE
Date and Time of the Query: 2019-05-20 T01:18:06 PDT
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Spectral Energy Distribution (SED) for 4C +37.16:

12 Data Points
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Photometric Data --- Published and Homogenized [Frequency, Flux Density] Units

  Published UnitsHomogenized Units [Frequency, Flux Density]  
No.Observed PassbandMeasurementUncertaintyUnitsFreq (Hz)MeasurementUncertaintyUnitsModeAperture/QualifiersReference CodeNo.
1 4.85 GHz 77 +/- 10 milliJy 4.85E+09 7.70E-02 +/- 1.00E-02 Jy Broad-band 1991ApJS...75.1011G 1
2 4.85 GHz 74 +/- 15 % milliJy 4.85E+09 7.40E-02 +/- 1.11E-02 Jy Broad-band 1991ApJS...75....1B 2
3 4830 MHz (NRAO) 61 ... milliJy 4.83E+09 6.10E-02 ... Jy Broad-band S/N = 6 1990ApJS...72..621L 3
4 1.4GHz 254.6 +/- 8.3 milliJy 1.40E+09 2.55E-01 +/- 8.30E-03 Jy Broad-band High peak 1998AJ....115.1693C 4
5 408 MHz 0.916 +/- 0.08 Jy 4.08E+08 9.16E-01 +/- 8.00E-02 Jy Broad-band 1973A&AS...11..291C 5
6 408 MHz 0.81 +/- 0.03 Jy 4.08E+08 8.10E-01 +/- 2.57E-02 Jy Broad-band 1985A&AS...59..255F 6
7 365 MHz (Texas) 1.083 +/- 0.042 Jy 3.65E+08 1.08E+00 +/- 4.20E-02 Jy Broad-band Model:D;MFlag:+;EFlag:+;LFlag:W. 1996AJ....111.1945D 7
8 178 MHz 2.4 +/- 15.0% Jy 1.78E+08 2.40E+00 +/- 3.60E-01 Jy Broad-band 1965MmRAS..69..183P 8
9 151 MHz (6C) 1.98 +/- 0.075 Jy 1.52E+08 1.98E+00 +/- 7.50E-02 Jy Broad-band Resolved component of another 6C source? 1993MNRAS.263...25H 9
10 74 MHz (VLA) 4.00 +/- 0.43 Jy 7.38E+07 4.00E+00 +/- 4.30E-01 Jy Broad-band Corrected for clean bias 2007AJ....134.1245C 10
11 26.3 MHz 26. +/- 7. Jy 2.63E+07 2.60E+01 +/- 7.00E+00 Jy Broad-band 1975AJ.....80..931V 11
12 22 MHz (DRAO) 60 +/- 7 Jy 2.23E+07 6.00E+01 +/- 7.00E+00 Jy Broad-band 1986A&AS...65..485R 12


Detailed Information for Each Entry

 No. 1
Reference Code : 1991ApJS...75.1011G
Freq. targeted : 4.85 GHz            
Measurement    :  77          milliJy              = 7.70E-28 W m^-2^ Hz^-1^
Uncertainty    :  10          milliJy              = 1.00E-28
Significance   : rms noise
Freq or Vel.   : 4.85         GHz          (OBS   )= 4.85E+09 Hz
Frequency mode : Broad-band measurement
Coord. targeted: 061351.7        +373727 (B1950)
Spatial mode   : Modelled datum
Notes          : From new raw data; Corrected for contaminating sources
Qualifiers     :                                         

No. 2 Reference Code : 1991ApJS...75....1B Freq. targeted : 4.85 GHz Measurement : 74 milliJy = 7.40E-28 W m^-2^ Hz^-1^ Uncertainty : 15 % milliJy = 1.11E-28 Significance : uncertainty Freq or Vel. : 4.85 GHz (OBS )= 4.85E+09 Hz Frequency mode : Broad-band measurement Coord. targeted: 061351.8 +373728 (B1950) Spatial mode : Peak flux Notes : From new raw data; Corrected for contaminating sources Qualifiers :
No. 3 Reference Code : 1990ApJS...72..621L Freq. targeted : 4830 MHz (NRAO) Measurement : 61 milliJy = 6.10E-28 W m^-2^ Hz^-1^ Uncertainty : milliJy = 0.00E+00 Significance : no uncertainty reported Freq or Vel. : 4830 MHz (OBS )= 4.83E+09 Hz Frequency mode : Broad-band measurement Coord. targeted: 06 17 17.4 +37 37 24 (J2000) Spatial mode : Flux integrated from map Notes : From new raw data Qualifiers : S/N = 6
No. 4 Reference Code : 1998AJ....115.1693C Freq. targeted : 1.4GHz Measurement : 254.6 milliJy = 2.55E-27 W m^-2^ Hz^-1^ Uncertainty : 8.3 milliJy = 8.30E-29 Significance : uncertainty Freq or Vel. : 1.40 GHz (OBS )= 1.40E+09 Hz Frequency mode : Broad-band measurement Coord. targeted: 06 17 16.62 +37 36 29.1 (J2000) Spatial mode : Flux integrated from map Notes : From new raw data Qualifiers : High peak
No. 5 Reference Code : 1973A&AS...11..291C Freq. targeted : 408 MHz Measurement : 0.916 Jy = 9.16E-27 W m^-2^ Hz^-1^ Uncertainty : 0.08 Jy = 8.00E-28 Significance : internal error Freq or Vel. : 408 MHz (OBS )= 4.08E+08 Hz Frequency mode : Broad-band measurement; peak value reported Coord. targeted: 061351.3 +373818. (B1950) Spatial mode : Peak flux Notes : From new raw data Qualifiers :
No. 6 Reference Code : 1985A&AS...59..255F Freq. targeted : 408 MHz Measurement : 0.81 Jy = 8.10E-27 W m^-2^ Hz^-1^ Uncertainty : 0.03 Jy = 2.57E-28 Significance : rms uncertainty Freq or Vel. : 408 MHz (OBS )= 4.08E+08 Hz Frequency mode : Broad-band measurement Coord. targeted: 6 13 52.6 37 37 47 (B1950) Spatial mode : Total flux Notes : From new raw data Qualifiers :
No. 7 Reference Code : 1996AJ....111.1945D Freq. targeted : 365 MHz (Texas) Measurement : 1.083 Jy = 1.08E-26 W m^-2^ Hz^-1^ Uncertainty : 0.042 Jy = 4.20E-28 Significance : internal error Freq or Vel. : 365 MHz (OBS )= 3.65E+08 Hz Frequency mode : Broad-band measurement; obtained by interpolation over frequency Coord. targeted: 061351.395 373738.98 (B1950) Spatial mode : Integrated from scans Notes : From new raw data Qualifiers : Model:D;MFlag:+;EFlag:+;LFlag:W.
No. 8 Reference Code : 1965MmRAS..69..183P Freq. targeted : 178 MHz Measurement : 2.4 Jy = 2.40E-26 W m^-2^ Hz^-1^ Uncertainty : 15.0% Jy = 3.60E-27 Significance : uncertainty Freq or Vel. : 178 MHz (OBS )= 1.78E+08 Hz Frequency mode : Broad-band measurement Coord. targeted: 061352.7 +373454 (B1950) Spatial mode : Integrated from scans Notes : From new raw data; Uncorrected for known sources in beam Qualifiers :
No. 9 Reference Code : 1993MNRAS.263...25H Freq. targeted : 151 MHz (6C) Measurement : 1.98 Jy = 1.98E-26 W m^-2^ Hz^-1^ Uncertainty : 0.075 Jy = 7.50E-28 Significance : typical accuracy Freq or Vel. : 151.5 MHz (OBS )= 1.52E+08 Hz Frequency mode : Broad-band measurement Coord. targeted: 061350.9 373738. (B1950) Spatial mode : Peak flux Notes : From new raw data Qualifiers : Resolved component of another 6C source?
No. 10 Reference Code : 2007AJ....134.1245C Freq. targeted : 74 MHz (VLA) Measurement : 4.00 Jy = 4.00E-26 W m^-2^ Hz^-1^ Uncertainty : 0.43 Jy = 4.30E-27 Significance : rms uncertainty Freq or Vel. : 73.8 MHz (OBS )= 7.38E+07 Hz Frequency mode : Broad-band measurement Coord. targeted: 06 17 17.01 +37 36 27.5 (J2000) Spatial mode : Flux integrated from map Notes : From new raw data Qualifiers : Corrected for clean bias
No. 11 Reference Code : 1975AJ.....80..931V Freq. targeted : 26.3 MHz Measurement : 26. Jy = 2.60E-25 W m^-2^ Hz^-1^ Uncertainty : 7. Jy = 7.00E-26 Significance : uncertainty Freq or Vel. : 26.3 MHz (OBS )= 2.63E+07 Hz Frequency mode : Broad-band measurement Coord. targeted: 061418. +373400. (B1950) Spatial mode : Integrated from scans; Beam filling or dilution corrected Notes : From new raw data Qualifiers :
No. 12 Reference Code : 1986A&AS...65..485R Freq. targeted : 22 MHz (DRAO) Measurement : 60 Jy = 6.00E-25 W m^-2^ Hz^-1^ Uncertainty : 7 Jy = 7.00E-26 Significance : uncertainty Freq or Vel. : 22.25 MHz (OBS )= 2.23E+07 Hz Frequency mode : Broad-band measurement Coord. targeted: 06 13 52.7 +37 34 54 (B1950) Spatial mode : Flux integrated from map Notes : From new raw data Qualifiers :

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