NASA/IPAC EXTRAGALACTIC DATABASE
Date and Time of the Query: 2019-05-21 T17:52:04 PDT
Help | Comment | NED Home

Spectral Energy Distribution (SED) for 4C +42.39:

11 Data Points
 Click to zoom in at a position of interest (uses a separate window). 
Select zoom factor:  

                Postscript version of the SED plot






  New options   Format tabular data as:


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 134 +/- 17 milliJy 4.85E+09 1.34E-01 +/- 1.70E-02 Jy Broad-band 1991ApJS...75.1011G 1
2 4.85 GHz 129 +/- 15 % milliJy 4.85E+09 1.29E-01 +/- 1.93E-02 Jy Broad-band 1991ApJS...75....1B 2
3 1.4 GHz (ATA) 525.2 ... milliJy 1.43E+09 5.25E-01 ... Jy Broad-band Major=160.3"; minor=152.0"; PA=137.6 deg 2010ApJ...719...45C 3
4 1.40 GHz 457 ... milliJy 1.40E+09 4.57E-01 ... Jy Broad-band 1992ApJS...79..331W 4
5 408 MHz 1.91 +/- 0.04 Jy 4.08E+08 1.91E+00 +/- 4.31E-02 Jy Broad-band 1985A&AS...59..255F 5
6 365 MHz (Texas) 1.774 +/- 0.051 Jy 3.65E+08 1.77E+00 +/- 5.10E-02 Jy Broad-band Model:A;MFlag:+;EFlag:+;LFlag:+. 1996AJ....111.1945D 6
7 178 MHz 3.9 +/- 15.0% Jy 1.78E+08 3.90E+00 +/- 5.85E-01 Jy Broad-band 1967MmRAS..71...49G 7
8 74 MHz (VLA) 11.55 +/- 2.11 Jy 7.40E+07 1.16E+01 +/- 2.11E+00 Jy Broad-band 2005A&A...435..863M 8
9 74 MHz (VLA) 10.49 +/- 1.09 Jy 7.38E+07 1.05E+01 +/- 1.09E+00 Jy Broad-band Corrected for clean bias 2007AJ....134.1245C 9
10 26.3 MHz 32. +/- 6. Jy 2.63E+07 3.20E+01 +/- 6.00E+00 Jy Broad-band 1975AJ.....80..931V 10
11 22 MHz (DRAO) 29 +/- 3 Jy 2.23E+07 2.90E+01 +/- 3.00E+00 Jy Broad-band 1986A&AS...65..485R 11


Detailed Information for Each Entry

 No. 1
Reference Code : 1991ApJS...75.1011G
Freq. targeted : 4.85 GHz            
Measurement    :  134         milliJy              = 1.34E-27 W m^-2^ Hz^-1^
Uncertainty    :  17          milliJy              = 1.70E-28
Significance   : rms noise
Freq or Vel.   : 4.85         GHz          (OBS   )= 4.85E+09 Hz
Frequency mode : Broad-band measurement
Coord. targeted: 143751.3        +424701 (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 : 129 milliJy = 1.29E-27 W m^-2^ Hz^-1^ Uncertainty : 15 % milliJy = 1.93E-28 Significance : uncertainty Freq or Vel. : 4.85 GHz (OBS )= 4.85E+09 Hz Frequency mode : Broad-band measurement Coord. targeted: 143750.9 +424700 (B1950) Spatial mode : Peak flux Notes : From new raw data; Corrected for contaminating sources Qualifiers :
No. 3 Reference Code : 2010ApJ...719...45C Freq. targeted : 1.4 GHz (ATA) Measurement : 525.2 milliJy = 5.25E-27 W m^-2^ Hz^-1^ Uncertainty : milliJy = 0.00E+00 Significance : no uncertainty reported Freq or Vel. : 1.43 GHz (OBS )= 1.43E+09 Hz Frequency mode : Broad-band measurement Coord. targeted: 14 39 46.1 +42 34 14 (J2000) Spatial mode : Flux integrated from map Notes : From new raw data Qualifiers : Major=160.3"; minor=152.0"; PA=137.6 deg
No. 4 Reference Code : 1992ApJS...79..331W Freq. targeted : 1.40 GHz Measurement : 457 milliJy = 4.57E-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: 143750.9 +424700 (B1950) Spatial mode : Peak flux Notes : From new raw data Qualifiers :
No. 5 Reference Code : 1985A&AS...59..255F Freq. targeted : 408 MHz Measurement : 1.91 Jy = 1.91E-26 W m^-2^ Hz^-1^ Uncertainty : 0.04 Jy = 4.31E-28 Significance : rms uncertainty Freq or Vel. : 408 MHz (OBS )= 4.08E+08 Hz Frequency mode : Broad-band measurement Coord. targeted: 14 37 51.0 42 47 6 (B1950) Spatial mode : Total flux Notes : From new raw data Qualifiers :
No. 6 Reference Code : 1996AJ....111.1945D Freq. targeted : 365 MHz (Texas) Measurement : 1.774 Jy = 1.77E-26 W m^-2^ Hz^-1^ Uncertainty : 0.051 Jy = 5.10E-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: 143751.335 424705.36 (B1950) Spatial mode : Integrated from scans Notes : From new raw data Qualifiers : Model:A;MFlag:+;EFlag:+;LFlag:+.
No. 7 Reference Code : 1967MmRAS..71...49G Freq. targeted : 178 MHz Measurement : 3.9 Jy = 3.90E-26 W m^-2^ Hz^-1^ Uncertainty : 15.0% Jy = 5.85E-27 Significance : uncertainty Freq or Vel. : 178 MHz (OBS )= 1.78E+08 Hz Frequency mode : Broad-band measurement Coord. targeted: 143751.7 +424554 (B1950) Spatial mode : Integrated from scans Notes : From new raw data; Uncorrected for known sources in beam Qualifiers :
No. 8 Reference Code : 2005A&A...435..863M Freq. targeted : 74 MHz (VLA) Measurement : 11.55 Jy = 1.15E-25 W m^-2^ Hz^-1^ Uncertainty : 2.11 Jy = 2.11E-26 Significance : uncertainty Freq or Vel. : 74 MHz (OBS )= 7.40E+07 Hz Frequency mode : Broad-band measurement Coord. targeted: Spatial mode : Flux integrated from map Notes : From new raw data Qualifiers :
No. 9 Reference Code : 2007AJ....134.1245C Freq. targeted : 74 MHz (VLA) Measurement : 10.49 Jy = 1.05E-25 W m^-2^ Hz^-1^ Uncertainty : 1.09 Jy = 1.09E-26 Significance : rms uncertainty Freq or Vel. : 73.8 MHz (OBS )= 7.38E+07 Hz Frequency mode : Broad-band measurement Coord. targeted: 14 39 45.85 +42 34 14.8 (J2000) Spatial mode : Flux integrated from map Notes : From new raw data Qualifiers : Corrected for clean bias
No. 10 Reference Code : 1975AJ.....80..931V Freq. targeted : 26.3 MHz Measurement : 32. Jy = 3.20E-25 W m^-2^ Hz^-1^ Uncertainty : 6. Jy = 6.00E-26 Significance : uncertainty Freq or Vel. : 26.3 MHz (OBS )= 2.63E+07 Hz Frequency mode : Broad-band measurement Coord. targeted: 143742. +430000. (B1950) Spatial mode : Integrated from scans; Beam filling or dilution corrected Notes : From new raw data Qualifiers :
No. 11 Reference Code : 1986A&AS...65..485R Freq. targeted : 22 MHz (DRAO) Measurement : 29 Jy = 2.90E-25 W m^-2^ Hz^-1^ Uncertainty : 3 Jy = 3.00E-26 Significance : uncertainty Freq or Vel. : 22.25 MHz (OBS )= 2.23E+07 Hz Frequency mode : Broad-band measurement Coord. targeted: 14 37 51.7 +42 45 54 (B1950) Spatial mode : Flux integrated from map Notes : From new raw data Qualifiers :

Back to NED Home