NASA/IPAC EXTRAGALACTIC DATABASE
Date and Time of the Query: 2019-05-24 T11:03:53 PDT
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Spectral Energy Distribution (SED) for 4C +39.41:

25 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 u (SDSS PSF) AB 24.346 +/- 0.638 asinh mag 8.36E+14 2.84E-07 +/- 6.42E-07 Jy Broad-band SDSS Qualifiers 2007SDSS6.C...0000: 1
2 u (SDSS CModel) AB 20.999 ... asinh mag 8.36E+14 1.50E-05 ... Jy Broad-band SDSS Qualifiers 2007SDSS6.C...0000: 2
3 u (SDSS Model) AB 23.495 +/- 0.689 asinh mag 8.36E+14 1.32E-06 +/- 1.07E-06 Jy Broad-band SDSS Qualifiers 2007SDSS6.C...0000: 3
4 g (SDSS PSF) AB 23.225 +/- 0.134 asinh mag 6.17E+14 1.80E-06 +/- 2.37E-07 Jy Broad-band SDSS Qualifiers 2007SDSS6.C...0000: 4
5 g (SDSS CModel) AB 22.323 ... asinh mag 6.17E+14 4.25E-06 ... Jy Broad-band SDSS Qualifiers 2007SDSS6.C...0000: 5
6 g (SDSS Model) AB 22.732 +/- 0.148 asinh mag 6.17E+14 2.90E-06 +/- 4.05E-07 Jy Broad-band SDSS Qualifiers 2007SDSS6.C...0000: 6
7 r (SDSS PSF) AB 22.311 +/- 0.092 asinh mag 4.77E+14 4.28E-06 +/- 3.70E-07 Jy Broad-band SDSS Qualifiers 2007SDSS6.C...0000: 7
8 r (SDSS CModel) AB 21.490 ... asinh mag 4.77E+14 9.18E-06 ... Jy Broad-band SDSS Qualifiers 2007SDSS6.C...0000: 8
9 r (SDSS Model) AB 21.490 +/- 0.080 asinh mag 4.77E+14 9.18E-06 +/- 6.80E-07 Jy Broad-band SDSS Qualifiers 2007SDSS6.C...0000: 9
10 i (SDSS PSF) AB 21.908 +/- 0.100 asinh mag 3.89E+14 6.20E-06 +/- 5.83E-07 Jy Broad-band SDSS Qualifiers 2007SDSS6.C...0000: 10
11 i (SDSS CModel) AB 21.390 ... asinh mag 3.89E+14 1.01E-05 ... Jy Broad-band SDSS Qualifiers 2007SDSS6.C...0000: 11
12 i (SDSS Model) AB 21.257 +/- 0.106 asinh mag 3.89E+14 1.14E-05 +/- 1.12E-06 Jy Broad-band SDSS Qualifiers 2007SDSS6.C...0000: 12
13 z (SDSS PSF) AB 22.400 +/- 0.431 asinh mag 3.25E+14 2.13E-06 +/- 2.26E-06 Jy Broad-band SDSS Qualifiers 2007SDSS6.C...0000: 13
14 z (SDSS CModel) AB 20.728 ... asinh mag 3.25E+14 1.79E-05 ... Jy Broad-band SDSS Qualifiers 2007SDSS6.C...0000: 14
15 z (SDSS Model) AB 21.309 +/- 0.413 asinh mag 3.25E+14 1.00E-05 +/- 4.31E-06 Jy Broad-band SDSS Qualifiers 2007SDSS6.C...0000: 15
16 4.85 GHz 36 +/- 7 milliJy 4.85E+09 3.60E-02 +/- 7.00E-03 Jy Broad-band 1991ApJS...75.1011G 16
17 1.4 GHz (ATA) 205.1 ... milliJy 1.43E+09 2.05E-01 ... Jy Broad-band Major=163.2"; minor=149.7"; PA=168.3 deg 2010ApJ...719...45C 17
18 1.40 GHz 341 ... milliJy 1.40E+09 3.41E-01 ... Jy Broad-band 1992ApJS...79..331W 18
19 408 MHz 1.113 +/- 8 % Jy 4.08E+08 1.11E+00 +/- 8.90E-02 Jy Broad-band 1973A&AS...11..291C 19
20 408 MHz 0.96 +/- 0.03 Jy 4.08E+08 9.60E-01 +/- 2.77E-02 Jy Broad-band 1985A&AS...59..255F 20
21 365 MHz (Texas) 1.537 +/- 0.081 Jy 3.65E+08 1.54E+00 +/- 8.10E-02 Jy Broad-band Model:A;MFlag:W;EFlag:+;LFlag:+. 1996AJ....111.1945D 21
22 178 MHz 2.0 +/- 15.0% Jy 1.78E+08 2.00E+00 +/- 3.00E-01 Jy Broad-band 1965MmRAS..69..183P 22
23 74 MHz (VLA) 6.41 +/- 1.17 Jy 7.40E+07 6.41E+00 +/- 1.17E+00 Jy Broad-band 2005A&A...435..863M 23
24 74 MHz (VLA) 7.63 +/- 0.79 Jy 7.38E+07 7.63E+00 +/- 7.90E-01 Jy Broad-band Corrected for clean bias 2007AJ....134.1245C 24
25 26.3 MHz 31. +/- 6. Jy 2.63E+07 3.10E+01 +/- 6.00E+00 Jy Broad-band 1975AJ.....80..931V 25


Detailed Information for Each Entry

 No. 1
Reference Code : 2007SDSS6.C...0000:
Freq. targeted : u (SDSS PSF) AB     
Measurement    :  24.346      asinh mag            = 2.84E-33 W m^-2^ Hz^-1^
Uncertainty    :  0.638       asinh mag            = 6.42E-33
Significance   : based on count statistics only
Freq or Vel.   : 3585         A            (OBS   )= 8.36E+14 Hz
Frequency mode : Broad-band measurement
Coord. targeted: 209.0655595890  39.4895236489 (J2000)
Spatial mode   : Modelled datum
Notes          : From new raw data
Qualifiers     : SDSS flags
                 CANONICAL_CENTER - used canonical, not local, center
                 CHILD - object is part of a blended parent object
                 NOPETRO - no Petrosian radius could be determined
                 MANYR50 - more than one 50% radius
                 PETROFAINT - Petrosian radius measured at very low surface brightness
                 ELLIPFAINT - no isophotal fits performed
                 BRIGHTEST_GALAXY_CHILD - brightest child among one parent's children
                 AMOMENT_FAINT - too faint for adaptive moments

No. 2 Reference Code : 2007SDSS6.C...0000: Freq. targeted : u (SDSS CModel) AB Measurement : 20.999 asinh mag = 1.50E-31 W m^-2^ Hz^-1^ Uncertainty : asinh mag = 0.00E+00 Significance : no uncertainty reported Freq or Vel. : 3585 A (OBS )= 8.36E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 209.0655595890 39.4895236489 (J2000) Spatial mode : Modelled datum Notes : From new raw data Qualifiers : SDSS flags CANONICAL_CENTER - used canonical, not local, center CHILD - object is part of a blended parent object NOPETRO - no Petrosian radius could be determined MANYR50 - more than one 50% radius PETROFAINT - Petrosian radius measured at very low surface brightness ELLIPFAINT - no isophotal fits performed BRIGHTEST_GALAXY_CHILD - brightest child among one parent's children AMOMENT_FAINT - too faint for adaptive moments
No. 3 Reference Code : 2007SDSS6.C...0000: Freq. targeted : u (SDSS Model) AB Measurement : 23.495 asinh mag = 1.32E-32 W m^-2^ Hz^-1^ Uncertainty : 0.689 asinh mag = 1.07E-32 Significance : based on count statistics only Freq or Vel. : 3585 A (OBS )= 8.36E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 209.0655595890 39.4895236489 (J2000) Spatial mode : Modelled datum Notes : From new raw data Qualifiers : SDSS flags CANONICAL_CENTER - used canonical, not local, center CHILD - object is part of a blended parent object NOPETRO - no Petrosian radius could be determined MANYR50 - more than one 50% radius PETROFAINT - Petrosian radius measured at very low surface brightness ELLIPFAINT - no isophotal fits performed BRIGHTEST_GALAXY_CHILD - brightest child among one parent's children AMOMENT_FAINT - too faint for adaptive moments
No. 4 Reference Code : 2007SDSS6.C...0000: Freq. targeted : g (SDSS PSF) AB Measurement : 23.225 asinh mag = 1.80E-32 W m^-2^ Hz^-1^ Uncertainty : 0.134 asinh mag = 2.37E-33 Significance : based on count statistics only Freq or Vel. : 4858 A (OBS )= 6.17E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 209.0655595890 39.4895236489 (J2000) Spatial mode : Modelled datum Notes : From new raw data Qualifiers : SDSS flags CHILD - object is part of a blended parent object NOPETRO - no Petrosian radius could be determined PETROFAINT - Petrosian radius measured at very low surface brightness ELLIPFAINT - no isophotal fits performed BINNED1 - detected at >=5 sigma in original imaging frame BINNED_CENTER - image was binned while centroiding BRIGHTEST_GALAXY_CHILD - brightest child among one parent's children
No. 5 Reference Code : 2007SDSS6.C...0000: Freq. targeted : g (SDSS CModel) AB Measurement : 22.323 asinh mag = 4.25E-32 W m^-2^ Hz^-1^ Uncertainty : asinh mag = 0.00E+00 Significance : no uncertainty reported Freq or Vel. : 4858 A (OBS )= 6.17E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 209.0655595890 39.4895236489 (J2000) Spatial mode : Modelled datum Notes : From new raw data Qualifiers : SDSS flags CHILD - object is part of a blended parent object NOPETRO - no Petrosian radius could be determined PETROFAINT - Petrosian radius measured at very low surface brightness ELLIPFAINT - no isophotal fits performed BINNED1 - detected at >=5 sigma in original imaging frame BINNED_CENTER - image was binned while centroiding BRIGHTEST_GALAXY_CHILD - brightest child among one parent's children
No. 6 Reference Code : 2007SDSS6.C...0000: Freq. targeted : g (SDSS Model) AB Measurement : 22.732 asinh mag = 2.90E-32 W m^-2^ Hz^-1^ Uncertainty : 0.148 asinh mag = 4.05E-33 Significance : based on count statistics only Freq or Vel. : 4858 A (OBS )= 6.17E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 209.0655595890 39.4895236489 (J2000) Spatial mode : Modelled datum Notes : From new raw data Qualifiers : SDSS flags CHILD - object is part of a blended parent object NOPETRO - no Petrosian radius could be determined PETROFAINT - Petrosian radius measured at very low surface brightness ELLIPFAINT - no isophotal fits performed BINNED1 - detected at >=5 sigma in original imaging frame BINNED_CENTER - image was binned while centroiding BRIGHTEST_GALAXY_CHILD - brightest child among one parent's children
No. 7 Reference Code : 2007SDSS6.C...0000: Freq. targeted : r (SDSS PSF) AB Measurement : 22.311 asinh mag = 4.28E-32 W m^-2^ Hz^-1^ Uncertainty : 0.092 asinh mag = 3.70E-33 Significance : based on count statistics only Freq or Vel. : 6290 A (OBS )= 4.77E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 209.0655595890 39.4895236489 (J2000) Spatial mode : Modelled datum Notes : From new raw data Qualifiers : SDSS flags CHILD - object is part of a blended parent object BINNED1 - detected at >=5 sigma in original imaging frame BINNED_CENTER - image was binned while centroiding BRIGHTEST_GALAXY_CHILD - brightest child among one parent's children CANONICAL_BAND - this band was primary (usually r)
No. 8 Reference Code : 2007SDSS6.C...0000: Freq. targeted : r (SDSS CModel) AB Measurement : 21.490 asinh mag = 9.18E-32 W m^-2^ Hz^-1^ Uncertainty : asinh mag = 0.00E+00 Significance : no uncertainty reported Freq or Vel. : 6290 A (OBS )= 4.77E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 209.0655595890 39.4895236489 (J2000) Spatial mode : Modelled datum Notes : From new raw data Qualifiers : SDSS flags CHILD - object is part of a blended parent object BINNED1 - detected at >=5 sigma in original imaging frame BINNED_CENTER - image was binned while centroiding BRIGHTEST_GALAXY_CHILD - brightest child among one parent's children CANONICAL_BAND - this band was primary (usually r)
No. 9 Reference Code : 2007SDSS6.C...0000: Freq. targeted : r (SDSS Model) AB Measurement : 21.490 asinh mag = 9.18E-32 W m^-2^ Hz^-1^ Uncertainty : 0.080 asinh mag = 6.80E-33 Significance : based on count statistics only Freq or Vel. : 6290 A (OBS )= 4.77E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 209.0655595890 39.4895236489 (J2000) Spatial mode : Modelled datum Notes : From new raw data Qualifiers : SDSS flags CHILD - object is part of a blended parent object BINNED1 - detected at >=5 sigma in original imaging frame BINNED_CENTER - image was binned while centroiding BRIGHTEST_GALAXY_CHILD - brightest child among one parent's children CANONICAL_BAND - this band was primary (usually r)
No. 10 Reference Code : 2007SDSS6.C...0000: Freq. targeted : i (SDSS PSF) AB Measurement : 21.908 asinh mag = 6.20E-32 W m^-2^ Hz^-1^ Uncertainty : 0.100 asinh mag = 5.83E-33 Significance : based on count statistics only Freq or Vel. : 7706 A (OBS )= 3.89E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 209.0655595890 39.4895236489 (J2000) Spatial mode : Modelled datum Notes : From new raw data Qualifiers : SDSS flags CHILD - object is part of a blended parent object BINNED1 - detected at >=5 sigma in original imaging frame BINNED_CENTER - image was binned while centroiding BRIGHTEST_GALAXY_CHILD - brightest child among one parent's children
No. 11 Reference Code : 2007SDSS6.C...0000: Freq. targeted : i (SDSS CModel) AB Measurement : 21.390 asinh mag = 1.01E-31 W m^-2^ Hz^-1^ Uncertainty : asinh mag = 0.00E+00 Significance : no uncertainty reported Freq or Vel. : 7706 A (OBS )= 3.89E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 209.0655595890 39.4895236489 (J2000) Spatial mode : Modelled datum Notes : From new raw data Qualifiers : SDSS flags CHILD - object is part of a blended parent object BINNED1 - detected at >=5 sigma in original imaging frame BINNED_CENTER - image was binned while centroiding BRIGHTEST_GALAXY_CHILD - brightest child among one parent's children
No. 12 Reference Code : 2007SDSS6.C...0000: Freq. targeted : i (SDSS Model) AB Measurement : 21.257 asinh mag = 1.14E-31 W m^-2^ Hz^-1^ Uncertainty : 0.106 asinh mag = 1.12E-32 Significance : based on count statistics only Freq or Vel. : 7706 A (OBS )= 3.89E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 209.0655595890 39.4895236489 (J2000) Spatial mode : Modelled datum Notes : From new raw data Qualifiers : SDSS flags CHILD - object is part of a blended parent object BINNED1 - detected at >=5 sigma in original imaging frame BINNED_CENTER - image was binned while centroiding BRIGHTEST_GALAXY_CHILD - brightest child among one parent's children
No. 13 Reference Code : 2007SDSS6.C...0000: Freq. targeted : z (SDSS PSF) AB Measurement : 22.400 asinh mag = 2.13E-32 W m^-2^ Hz^-1^ Uncertainty : 0.431 asinh mag = 2.26E-32 Significance : based on count statistics only Freq or Vel. : 9222 A (OBS )= 3.25E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 209.0655595890 39.4895236489 (J2000) Spatial mode : Modelled datum Notes : From new raw data Qualifiers : SDSS flags CANONICAL_CENTER - used canonical, not local, center CHILD - object is part of a blended parent object MANYPETRO - more than one Petrosian radius BAD_RADIAL - some low S/N radial points ELLIPFAINT - no isophotal fits performed BRIGHTEST_GALAXY_CHILD - brightest child among one parent's children AMOMENT_FAINT - too faint for adaptive moments
No. 14 Reference Code : 2007SDSS6.C...0000: Freq. targeted : z (SDSS CModel) AB Measurement : 20.728 asinh mag = 1.79E-31 W m^-2^ Hz^-1^ Uncertainty : asinh mag = 0.00E+00 Significance : no uncertainty reported Freq or Vel. : 9222 A (OBS )= 3.25E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 209.0655595890 39.4895236489 (J2000) Spatial mode : Modelled datum Notes : From new raw data Qualifiers : SDSS flags CANONICAL_CENTER - used canonical, not local, center CHILD - object is part of a blended parent object MANYPETRO - more than one Petrosian radius BAD_RADIAL - some low S/N radial points ELLIPFAINT - no isophotal fits performed BRIGHTEST_GALAXY_CHILD - brightest child among one parent's children AMOMENT_FAINT - too faint for adaptive moments
No. 15 Reference Code : 2007SDSS6.C...0000: Freq. targeted : z (SDSS Model) AB Measurement : 21.309 asinh mag = 1.00E-31 W m^-2^ Hz^-1^ Uncertainty : 0.413 asinh mag = 4.31E-32 Significance : based on count statistics only Freq or Vel. : 9222 A (OBS )= 3.25E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 209.0655595890 39.4895236489 (J2000) Spatial mode : Modelled datum Notes : From new raw data Qualifiers : SDSS flags CANONICAL_CENTER - used canonical, not local, center CHILD - object is part of a blended parent object MANYPETRO - more than one Petrosian radius BAD_RADIAL - some low S/N radial points ELLIPFAINT - no isophotal fits performed BRIGHTEST_GALAXY_CHILD - brightest child among one parent's children AMOMENT_FAINT - too faint for adaptive moments
No. 16 Reference Code : 1991ApJS...75.1011G Freq. targeted : 4.85 GHz Measurement : 36 milliJy = 3.60E-28 W m^-2^ Hz^-1^ Uncertainty : 7 milliJy = 7.00E-29 Significance : rms noise Freq or Vel. : 4.85 GHz (OBS )= 4.85E+09 Hz Frequency mode : Broad-band measurement Coord. targeted: 135413.8 +394358 (B1950) Spatial mode : Modelled datum Notes : From new raw data; Corrected for contaminating sources Qualifiers :
No. 17 Reference Code : 2010ApJ...719...45C Freq. targeted : 1.4 GHz (ATA) Measurement : 205.1 milliJy = 2.05E-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: 13 56 14.4 +39 29 37 (J2000) Spatial mode : Flux integrated from map Notes : From new raw data Qualifiers : Major=163.2"; minor=149.7"; PA=168.3 deg
No. 18 Reference Code : 1992ApJS...79..331W Freq. targeted : 1.40 GHz Measurement : 341 milliJy = 3.41E-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: 135406.2 +394601 (B1950) Spatial mode : Peak flux Notes : From new raw data Qualifiers :
No. 19 Reference Code : 1973A&AS...11..291C Freq. targeted : 408 MHz Measurement : 1.113 Jy = 1.11E-26 W m^-2^ Hz^-1^ Uncertainty : 8 % Jy = 8.90E-28 Significance : internal error Freq or Vel. : 408 MHz (OBS )= 4.08E+08 Hz Frequency mode : Broad-band measurement; peak value reported Coord. targeted: 135409.2 +394454. (B1950) Spatial mode : Peak flux Notes : From new raw data Qualifiers :
No. 20 Reference Code : 1985A&AS...59..255F Freq. targeted : 408 MHz Measurement : 0.96 Jy = 9.60E-27 W m^-2^ Hz^-1^ Uncertainty : 0.03 Jy = 2.77E-28 Significance : rms uncertainty Freq or Vel. : 408 MHz (OBS )= 4.08E+08 Hz Frequency mode : Broad-band measurement Coord. targeted: 13 54 8.6 39 44 22 (B1950) Spatial mode : Total flux Notes : From new raw data Qualifiers :
No. 21 Reference Code : 1996AJ....111.1945D Freq. targeted : 365 MHz (Texas) Measurement : 1.537 Jy = 1.54E-26 W m^-2^ Hz^-1^ Uncertainty : 0.081 Jy = 8.10E-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: 135404.496 394506.78 (B1950) Spatial mode : Integrated from scans Notes : From new raw data Qualifiers : Model:A;MFlag:W;EFlag:+;LFlag:+.
No. 22 Reference Code : 1965MmRAS..69..183P Freq. targeted : 178 MHz Measurement : 2.0 Jy = 2.00E-26 W m^-2^ Hz^-1^ Uncertainty : 15.0% Jy = 3.00E-27 Significance : uncertainty Freq or Vel. : 178 MHz (OBS )= 1.78E+08 Hz Frequency mode : Broad-band measurement Coord. targeted: 135407.0 +394554 (B1950) Spatial mode : Integrated from scans Notes : From new raw data; Uncorrected for known sources in beam Qualifiers :
No. 23 Reference Code : 2005A&A...435..863M Freq. targeted : 74 MHz (VLA) Measurement : 6.41 Jy = 6.41E-26 W m^-2^ Hz^-1^ Uncertainty : 1.17 Jy = 1.17E-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. 24 Reference Code : 2007AJ....134.1245C Freq. targeted : 74 MHz (VLA) Measurement : 7.63 Jy = 7.63E-26 W m^-2^ Hz^-1^ Uncertainty : 0.79 Jy = 7.90E-27 Significance : rms uncertainty Freq or Vel. : 73.8 MHz (OBS )= 7.38E+07 Hz Frequency mode : Broad-band measurement Coord. targeted: 13 56 15.40 +39 29 40.2 (J2000) Spatial mode : Flux integrated from map Notes : From new raw data Qualifiers : Corrected for clean bias
No. 25 Reference Code : 1975AJ.....80..931V Freq. targeted : 26.3 MHz Measurement : 31. Jy = 3.10E-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: 135412. +394400. (B1950) Spatial mode : Integrated from scans; Beam filling or dilution corrected Notes : From new raw data Qualifiers :

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