NASA/IPAC EXTRAGALACTIC DATABASE
Date and Time of the Query: 2019-05-20 T20:46:07 PDT
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Spectral Energy Distribution (SED) for B2 1454+27D:

19 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 FUV (GALEX) AB ... >21.0563 mag 1.95E+15 < 1.37E-05 Jy Broad-band upper limit inside NUV Kron aperture 2012GASC..C...0000S 1
2 NUV (GALEX) AB 22.6362 +/- 0.336888 mag 1.29E+15 3.20E-06 +/- 9.94E-07 Jy Broad-band Kron flux in elliptical aperture 2012GASC..C...0000S 2
3 NUV (GALEX) AB 22.8545 +/- 0.337392 mag 1.29E+15 2.62E-06 +/- 8.14E-07 Jy Broad-band Flux in 7.5 arcsec diameter aperture 2012GASC..C...0000S 3
4 u (SDSS PSF) AB 21.881 +/- 0.189 asinh mag 8.36E+14 6.62E-06 +/- 1.17E-06 Jy Broad-band SDSS Qualifiers 2007SDSS6.C...0000: 4
5 g (SDSS PSF) AB 21.904 +/- 0.067 asinh mag 6.17E+14 6.27E-06 +/- 3.89E-07 Jy Broad-band SDSS Qualifiers 2007SDSS6.C...0000: 5
6 r (SDSS PSF) AB 21.242 +/- 0.057 asinh mag 4.77E+14 1.16E-05 +/- 6.08E-07 Jy Broad-band SDSS Qualifiers 2007SDSS6.C...0000: 6
7 i (SDSS PSF) AB 20.794 +/- 0.064 asinh mag 3.89E+14 1.75E-05 +/- 1.03E-06 Jy Broad-band SDSS Qualifiers 2007SDSS6.C...0000: 7
8 z (SDSS PSF) AB 20.584 +/- 0.171 asinh mag 3.25E+14 2.05E-05 +/- 3.33E-06 Jy Broad-band SDSS Qualifiers 2007SDSS6.C...0000: 8
9 4.85 GHz 62 +/- 15 % milliJy 4.85E+09 6.20E-02 +/- 9.30E-03 Jy Broad-band 1991ApJS...75....1B 9
10 4.85 GHz 64 +/- 10 milliJy 4.85E+09 6.40E-02 +/- 1.00E-02 Jy Broad-band 1991ApJS...75.1011G 10
11 4830 MHz (NRAO) 60 ... milliJy 4.83E+09 6.00E-02 ... Jy Broad-band S/N = 9 1990ApJS...72..621L 11
12 1.4 GHz (ATA) 279.4 ... milliJy 1.43E+09 2.79E-01 ... Jy Broad-band Major=167.9"; minor=144.7"; PA=128.7 deg 2010ApJ...719...45C 12
13 1.4GHz 295.5 +/- 8.9 milliJy 1.40E+09 2.96E-01 +/- 8.90E-03 Jy Broad-band 1998AJ....115.1693C 13
14 1.40 GHz 246 ... milliJy 1.40E+09 2.46E-01 ... Jy Broad-band 1992ApJS...79..331W 14
15 408 MHz 1.067 +/- 8 % Jy 4.08E+08 1.07E+00 +/- 8.54E-02 Jy Broad-band 1972A&AS....7....1C 15
16 365 MHz (Texas) 1.306 +/- 0.074 Jy 3.65E+08 1.31E+00 +/- 7.40E-02 Jy Broad-band Model:D;MFlag:+;EFlag:+;LFlag:+. 1996AJ....111.1945D 16
17 151 MHz 2.43 +/- 6.5 % Jy 1.51E+08 2.43E+00 +/- 1.58E-01 Jy Broad-band 1996MNRAS.282..779W 17
18 74 MHz (VLA) 4.10 +/- 0.42 Jy 7.38E+07 4.10E+00 +/- 4.20E-01 Jy Broad-band Corrected for clean bias 2007AJ....134.1245C 18
19 26.3 MHz 33. +/- 7. Jy 2.63E+07 3.30E+01 +/- 7.00E+00 Jy Broad-band 1975AJ.....80..931V 19


Detailed Information for Each Entry

 No. 1
Reference Code : 2012GASC..C...0000S
Freq. targeted : FUV (GALEX) AB      
Measurement    : >21.0563     mag                  < 1.37E-31 W m^-2^ Hz^-1^      
Uncertainty    :
Significance   : 3 sigma
Freq or Vel.   : 1538.6       A            (OBS   )= 1.95E+15 Hz
Frequency mode : Broad-band measurement
Coord. targeted: 224.27103566276 26.969699653292 (J2000)
Spatial mode   : Flux integrated from map
Notes          : From new raw data
Qualifiers     : upper limit inside NUV Kron aperture    

No. 2 Reference Code : 2012GASC..C...0000S Freq. targeted : NUV (GALEX) AB Measurement : 22.6362 mag = 3.20E-32 W m^-2^ Hz^-1^ Uncertainty : 0.336888 mag = 9.94E-33 Significance : uncertainty Freq or Vel. : 2315.7 A (OBS )= 1.29E+15 Hz Frequency mode : Broad-band measurement Coord. targeted: 224.27103566276 26.969699653292 (J2000) Spatial mode : Flux integrated from map Notes : From new raw data Qualifiers : Kron flux in elliptical aperture
No. 3 Reference Code : 2012GASC..C...0000S Freq. targeted : NUV (GALEX) AB Measurement : 22.8545 mag = 2.62E-32 W m^-2^ Hz^-1^ Uncertainty : 0.337392 mag = 8.14E-33 Significance : uncertainty Freq or Vel. : 2315.7 A (OBS )= 1.29E+15 Hz Frequency mode : Broad-band measurement Coord. targeted: 224.27103566276 26.969699653292 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : Flux in 7.5 arcsec diameter aperture
No. 4 Reference Code : 2007SDSS6.C...0000: Freq. targeted : u (SDSS PSF) AB Measurement : 21.881 asinh mag = 6.62E-32 W m^-2^ Hz^-1^ Uncertainty : 0.189 asinh mag = 1.17E-32 Significance : based on count statistics only Freq or Vel. : 3585 A (OBS )= 8.36E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 224.2710500806 26.9696507748 (J2000) Spatial mode : Modelled datum Notes : From new raw data Qualifiers : SDSS flags NOPETRO - no Petrosian radius could be determined NOPETRO_BIG - Petrosian radius is larger than extracted radial profile BAD_RADIAL - some low S/N radial points BINNED1 - detected at >=5 sigma in original imaging frame BINNED_CENTER - image was binned while centroiding
No. 5 Reference Code : 2007SDSS6.C...0000: Freq. targeted : g (SDSS PSF) AB Measurement : 21.904 asinh mag = 6.27E-32 W m^-2^ Hz^-1^ Uncertainty : 0.067 asinh mag = 3.89E-33 Significance : based on count statistics only Freq or Vel. : 4858 A (OBS )= 6.17E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 224.2710500806 26.9696507748 (J2000) Spatial mode : Modelled datum Notes : From new raw data Qualifiers : SDSS flags BINNED1 - detected at >=5 sigma in original imaging frame BINNED_CENTER - image was binned while centroiding
No. 6 Reference Code : 2007SDSS6.C...0000: Freq. targeted : r (SDSS PSF) AB Measurement : 21.242 asinh mag = 1.16E-31 W m^-2^ Hz^-1^ Uncertainty : 0.057 asinh mag = 6.08E-33 Significance : based on count statistics only Freq or Vel. : 6290 A (OBS )= 4.77E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 224.2710500806 26.9696507748 (J2000) Spatial mode : Modelled datum Notes : From new raw data Qualifiers : SDSS flags BINNED1 - detected at >=5 sigma in original imaging frame BINNED_CENTER - image was binned while centroiding CANONICAL_BAND - this band was primary (usually r)
No. 7 Reference Code : 2007SDSS6.C...0000: Freq. targeted : i (SDSS PSF) AB Measurement : 20.794 asinh mag = 1.75E-31 W m^-2^ Hz^-1^ Uncertainty : 0.064 asinh mag = 1.03E-32 Significance : based on count statistics only Freq or Vel. : 7706 A (OBS )= 3.89E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 224.2710500806 26.9696507748 (J2000) Spatial mode : Modelled datum Notes : From new raw data Qualifiers : SDSS flags BINNED1 - detected at >=5 sigma in original imaging frame BINNED_CENTER - image was binned while centroiding
No. 8 Reference Code : 2007SDSS6.C...0000: Freq. targeted : z (SDSS PSF) AB Measurement : 20.584 asinh mag = 2.05E-31 W m^-2^ Hz^-1^ Uncertainty : 0.171 asinh mag = 3.33E-32 Significance : based on count statistics only Freq or Vel. : 9222 A (OBS )= 3.25E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 224.2710500806 26.9696507748 (J2000) Spatial mode : Modelled datum Notes : From new raw data Qualifiers : SDSS flags ELLIPFAINT - no isophotal fits performed BINNED1 - detected at >=5 sigma in original imaging frame BINNED_CENTER - image was binned while centroiding
No. 9 Reference Code : 1991ApJS...75....1B Freq. targeted : 4.85 GHz Measurement : 62 milliJy = 6.20E-28 W m^-2^ Hz^-1^ Uncertainty : 15 % milliJy = 9.30E-29 Significance : uncertainty Freq or Vel. : 4.85 GHz (OBS )= 4.85E+09 Hz Frequency mode : Broad-band measurement Coord. targeted: 145458.7 +270956 (B1950) Spatial mode : Peak flux Notes : From new raw data; Corrected for contaminating sources Qualifiers :
No. 10 Reference Code : 1991ApJS...75.1011G Freq. targeted : 4.85 GHz Measurement : 64 milliJy = 6.40E-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: 145458.6 +270957 (B1950) Spatial mode : Modelled datum Notes : From new raw data; Corrected for contaminating sources Qualifiers :
No. 11 Reference Code : 1990ApJS...72..621L Freq. targeted : 4830 MHz (NRAO) Measurement : 60 milliJy = 6.00E-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: 14 57 04.5 +26 58 17 (J2000) Spatial mode : Flux integrated from map Notes : From new raw data Qualifiers : S/N = 9
No. 12 Reference Code : 2010ApJ...719...45C Freq. targeted : 1.4 GHz (ATA) Measurement : 279.4 milliJy = 2.79E-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 57 05.7 +26 58 10 (J2000) Spatial mode : Flux integrated from map Notes : From new raw data Qualifiers : Major=167.9"; minor=144.7"; PA=128.7 deg
No. 13 Reference Code : 1998AJ....115.1693C Freq. targeted : 1.4GHz Measurement : 295.5 milliJy = 2.96E-27 W m^-2^ Hz^-1^ Uncertainty : 8.9 milliJy = 8.90E-29 Significance : uncertainty Freq or Vel. : 1.40 GHz (OBS )= 1.40E+09 Hz Frequency mode : Broad-band measurement Coord. targeted: 14 57 5.05 +26 58 10.6 (J2000) Spatial mode : Flux integrated from map Notes : From new raw data Qualifiers :
No. 14 Reference Code : 1992ApJS...79..331W Freq. targeted : 1.40 GHz Measurement : 246 milliJy = 2.46E-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: 145458.7 +270956 (B1950) Spatial mode : Peak flux Notes : From new raw data Qualifiers :
No. 15 Reference Code : 1972A&AS....7....1C Freq. targeted : 408 MHz Measurement : 1.067 Jy = 1.07E-26 W m^-2^ Hz^-1^ Uncertainty : 8 % Jy = 8.54E-28 Significance : internal error Freq or Vel. : 408 MHz (OBS )= 4.08E+08 Hz Frequency mode : Broad-band measurement; peak value reported Coord. targeted: 145455.3 +270936. (B1950) Spatial mode : Peak flux Notes : From new raw data Qualifiers :
No. 16 Reference Code : 1996AJ....111.1945D Freq. targeted : 365 MHz (Texas) Measurement : 1.306 Jy = 1.31E-26 W m^-2^ Hz^-1^ Uncertainty : 0.074 Jy = 7.40E-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: 145454.942 271011.59 (B1950) Spatial mode : Integrated from scans Notes : From new raw data Qualifiers : Model:D;MFlag:+;EFlag:+;LFlag:+.
No. 17 Reference Code : 1996MNRAS.282..779W Freq. targeted : 151 MHz Measurement : 2.43 Jy = 2.43E-26 W m^-2^ Hz^-1^ Uncertainty : 6.5 % Jy = 1.58E-27 Significance : estimated error Freq or Vel. : 151 MHz (OBS )= 1.51E+08 Hz Frequency mode : Broad-band measurement Coord. targeted: 145455.1 +271013 (B1950) Spatial mode : Flux integrated from map; Beam filling or dilution corrected Notes : From new raw data; Corrected for contaminating sources Qualifiers :
No. 18 Reference Code : 2007AJ....134.1245C Freq. targeted : 74 MHz (VLA) Measurement : 4.10 Jy = 4.10E-26 W m^-2^ Hz^-1^ Uncertainty : 0.42 Jy = 4.20E-27 Significance : rms uncertainty Freq or Vel. : 73.8 MHz (OBS )= 7.38E+07 Hz Frequency mode : Broad-band measurement Coord. targeted: 14 57 05.18 +26 58 11.6 (J2000) Spatial mode : Flux integrated from map Notes : From new raw data Qualifiers : Corrected for clean bias
No. 19 Reference Code : 1975AJ.....80..931V Freq. targeted : 26.3 MHz Measurement : 33. Jy = 3.30E-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: 145448. +273200. (B1950) Spatial mode : Integrated from scans; Beam filling or dilution corrected Notes : From new raw data Qualifiers :

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