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Date and Time of the Query: 2019-05-20 T17:42:02 PDT
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Spectral Energy Distribution (SED) for 4C +23.07:

16 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 5000 MHz 0.190 ... Jy 5.00E+09 1.90E-01 ... Jy Broad-band 1990PKS90.C...0000W 1
2 4.85 GHz 162 +/- 22 milliJy 4.85E+09 1.62E-01 +/- 2.20E-02 Jy Broad-band 1991ApJS...75.1011G 2
3 4.85 GHz 159 +/- 15 % milliJy 4.85E+09 1.59E-01 +/- 2.39E-02 Jy Broad-band 1991ApJS...75....1B 3
4 4830 MHz (NRAO) 150 ... milliJy 4.83E+09 1.50E-01 ... Jy Broad-band S/N = 23 1990ApJS...74..129G 4
5 2700 MHz 0.300 ... Jy 2.70E+09 3.00E-01 ... Jy Broad-band 1990PKS90.C...0000W 5
6 1410 MHz 0.300 ... Jy 1.41E+09 3.00E-01 ... Jy Broad-band 1990PKS90.C...0000W 6
7 1.40 GHz 571 ... milliJy 1.40E+09 5.71E-01 ... Jy Broad-band 1992ApJS...79..331W 7
8 1.4GHz 547.3 +/- 19.3 milliJy 1.40E+09 5.47E-01 +/- 1.93E-02 Jy Broad-band High peak 1998AJ....115.1693C 8
9 635 MHz 1.300 ... Jy 6.35E+08 1.30E+00 ... Jy Broad-band 1990PKS90.C...0000W 9
10 365 MHz (Texas) 1.668 +/- 0.045 Jy 3.65E+08 1.67E+00 +/- 4.50E-02 Jy Broad-band Model:D;MFlag:+;EFlag:+;LFlag:+. 1996AJ....111.1945D 10
11 178 MHz 2.300 ... Jy 1.78E+08 2.30E+00 ... Jy Broad-band 1990PKS90.C...0000W 11
12 178 MHz 2.3 +/- 15.0% Jy 1.78E+08 2.30E+00 +/- 3.45E-01 Jy Broad-band 1965MmRAS..69..183P 12
13 160 MHz 6.0 ... Jy 1.60E+08 6.00E+00 ... Jy Broad-band 1995AuJPh..48..143S 13
14 80 MHz 7. ... Jy 8.00E+07 7.00E+00 ... Jy Broad-band 1995AuJPh..48..143S 14
15 80 MHz 6.000 ... Jy 8.00E+07 6.00E+00 ... Jy Broad-band 1990PKS90.C...0000W 15
16 74 MHz (VLA) 3.67 +/- 0.41 Jy 7.38E+07 3.67E+00 +/- 4.10E-01 Jy Broad-band Corrected for clean bias 2007AJ....134.1245C 16


Detailed Information for Each Entry

 No. 1
Reference Code : 1990PKS90.C...0000W
Freq. targeted : 5000 MHz            
Measurement    :  0.190       Jy                   = 1.90E-27 W m^-2^ Hz^-1^
Uncertainty    :              Jy                   = 0.00E+00
Significance   : no uncertainty reported
Freq or Vel.   :     5000     MHz          (OBS   )= 5.00E+09 Hz
Frequency mode : Broad-band measurement
Coord. targeted: 03 50 03.0      +23 06 31 (B1950)
Spatial mode   : Integrated from scans
Notes          : Homogenized from new and previously published data
Qualifiers     :                                         

No. 2 Reference Code : 1991ApJS...75.1011G Freq. targeted : 4.85 GHz Measurement : 162 milliJy = 1.62E-27 W m^-2^ Hz^-1^ Uncertainty : 22 milliJy = 2.20E-28 Significance : rms noise Freq or Vel. : 4.85 GHz (OBS )= 4.85E+09 Hz Frequency mode : Broad-band measurement Coord. targeted: 035002.1 +230649 (B1950) Spatial mode : Modelled datum Notes : From new raw data; Corrected for contaminating sources Qualifiers :
No. 3 Reference Code : 1991ApJS...75....1B Freq. targeted : 4.85 GHz Measurement : 159 milliJy = 1.59E-27 W m^-2^ Hz^-1^ Uncertainty : 15 % milliJy = 2.39E-28 Significance : uncertainty Freq or Vel. : 4.85 GHz (OBS )= 4.85E+09 Hz Frequency mode : Broad-band measurement Coord. targeted: 035002.3 +230648 (B1950) Spatial mode : Peak flux Notes : From new raw data; Corrected for contaminating sources Qualifiers :
No. 4 Reference Code : 1990ApJS...74..129G Freq. targeted : 4830 MHz (NRAO) Measurement : 150 milliJy = 1.50E-27 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: 03 52 57.7 +23 15 55 (J2000) Spatial mode : Flux integrated from map Notes : From new raw data Qualifiers : S/N = 23
No. 5 Reference Code : 1990PKS90.C...0000W Freq. targeted : 2700 MHz Measurement : 0.300 Jy = 3.00E-27 W m^-2^ Hz^-1^ Uncertainty : Jy = 0.00E+00 Significance : no uncertainty reported Freq or Vel. : 2700 MHz (OBS )= 2.70E+09 Hz Frequency mode : Broad-band measurement Coord. targeted: 03 50 03.0 +23 06 31 (B1950) Spatial mode : Integrated from scans Notes : Homogenized from new and previously published data Qualifiers :
No. 6 Reference Code : 1990PKS90.C...0000W Freq. targeted : 1410 MHz Measurement : 0.300 Jy = 3.00E-27 W m^-2^ Hz^-1^ Uncertainty : Jy = 0.00E+00 Significance : no uncertainty reported Freq or Vel. : 1410 MHz (OBS )= 1.41E+09 Hz Frequency mode : Broad-band measurement Coord. targeted: 03 50 03.0 +23 06 31 (B1950) Spatial mode : Integrated from scans Notes : Homogenized from new and previously published data Qualifiers :
No. 7 Reference Code : 1992ApJS...79..331W Freq. targeted : 1.40 GHz Measurement : 571 milliJy = 5.71E-27 W m^-2^ Hz^-1^ Uncertainty : milliJy = 0.00E+00 Significance : no uncertainty reported Freq or Vel. : 1.4 GHz (OBS )= 1.40E+09 Hz Frequency mode : Broad-band measurement Coord. targeted: 035002.3 +230648 (B1950) Spatial mode : Peak flux Notes : From new raw data Qualifiers :
No. 8 Reference Code : 1998AJ....115.1693C Freq. targeted : 1.4GHz Measurement : 547.3 milliJy = 5.47E-27 W m^-2^ Hz^-1^ Uncertainty : 19.3 milliJy = 1.93E-28 Significance : uncertainty Freq or Vel. : 1.40 GHz (OBS )= 1.40E+09 Hz Frequency mode : Broad-band measurement Coord. targeted: 03 53 0.33 +23 15 39.4 (J2000) Spatial mode : Flux integrated from map Notes : From new raw data Qualifiers : High peak
No. 9 Reference Code : 1990PKS90.C...0000W Freq. targeted : 635 MHz Measurement : 1.300 Jy = 1.30E-26 W m^-2^ Hz^-1^ Uncertainty : Jy = 0.00E+00 Significance : no uncertainty reported Freq or Vel. : 635 MHz (OBS )= 6.35E+08 Hz Frequency mode : Broad-band measurement Coord. targeted: 03 50 03.0 +23 06 31 (B1950) Spatial mode : Integrated from scans Notes : Homogenized from new and previously published data Qualifiers :
No. 10 Reference Code : 1996AJ....111.1945D Freq. targeted : 365 MHz (Texas) Measurement : 1.668 Jy = 1.67E-26 W m^-2^ Hz^-1^ Uncertainty : 0.045 Jy = 4.50E-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: 035002.385 230646.68 (B1950) Spatial mode : Integrated from scans Notes : From new raw data Qualifiers : Model:D;MFlag:+;EFlag:+;LFlag:+.
No. 11 Reference Code : 1990PKS90.C...0000W Freq. targeted : 178 MHz Measurement : 2.300 Jy = 2.30E-26 W m^-2^ Hz^-1^ Uncertainty : Jy = 0.00E+00 Significance : no uncertainty reported Freq or Vel. : 178 MHz (OBS )= 1.78E+08 Hz Frequency mode : Broad-band measurement Coord. targeted: 03 50 03.0 +23 06 31 (B1950) Spatial mode : Integrated from scans Notes : Homogenized from new and previously published data Qualifiers :
No. 12 Reference Code : 1965MmRAS..69..183P Freq. targeted : 178 MHz Measurement : 2.3 Jy = 2.30E-26 W m^-2^ Hz^-1^ Uncertainty : 15.0% Jy = 3.45E-27 Significance : uncertainty Freq or Vel. : 178 MHz (OBS )= 1.78E+08 Hz Frequency mode : Broad-band measurement Coord. targeted: 035002.0 +230642 (B1950) Spatial mode : Integrated from scans Notes : From new raw data; Uncorrected for known sources in beam Qualifiers :
No. 13 Reference Code : 1995AuJPh..48..143S Freq. targeted : 160 MHz Measurement : 6.0 Jy = 6.00E-26 W m^-2^ Hz^-1^ Uncertainty : Jy = 0.00E+00 Significance : no uncertainty reported Freq or Vel. : 160 MHz (OBS )= 1.60E+08 Hz Frequency mode : Broad-band measurement Coord. targeted: 035002.9 +230607. (B1950) Spatial mode : Flux integrated from map Notes : From new raw data Qualifiers :
No. 14 Reference Code : 1995AuJPh..48..143S Freq. targeted : 80 MHz Measurement : 7. Jy = 7.00E-26 W m^-2^ Hz^-1^ Uncertainty : Jy = 0.00E+00 Significance : no uncertainty reported Freq or Vel. : 80 MHz (OBS )= 8.00E+07 Hz Frequency mode : Broad-band measurement Coord. targeted: 035002.9 +230607. (B1950) Spatial mode : Flux integrated from map Notes : From new raw data Qualifiers :
No. 15 Reference Code : 1990PKS90.C...0000W Freq. targeted : 80 MHz Measurement : 6.000 Jy = 6.00E-26 W m^-2^ Hz^-1^ Uncertainty : Jy = 0.00E+00 Significance : no uncertainty reported Freq or Vel. : 80 MHz (OBS )= 8.00E+07 Hz Frequency mode : Broad-band measurement Coord. targeted: 03 50 03.0 +23 06 31 (B1950) Spatial mode : Integrated from scans Notes : Homogenized from new and previously published data Qualifiers :
No. 16 Reference Code : 2007AJ....134.1245C Freq. targeted : 74 MHz (VLA) Measurement : 3.67 Jy = 3.67E-26 W m^-2^ Hz^-1^ Uncertainty : 0.41 Jy = 4.10E-27 Significance : rms uncertainty Freq or Vel. : 73.8 MHz (OBS )= 7.38E+07 Hz Frequency mode : Broad-band measurement Coord. targeted: 03 53 00.28 +23 15 40.2 (J2000) Spatial mode : Flux integrated from map Notes : From new raw data Qualifiers : Corrected for clean bias

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