NASA/IPAC EXTRAGALACTIC DATABASE
Date and Time of the Query: 2019-08-17 T20:50:47 PDT
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Spectral Energy Distribution (SED) for PKS 0257-128:

32 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 ... >21.4874 mag 1.95E+15 < 9.23E-06 Jy Broad-band upper limit inside NUV Kron aperture 2012GASC..C...0000S 1
2 FUV (GALEX) AB 23.4529 +/- 1.08599 mag 1.95E+15 1.51E-06 +/- 1.51E-06 Jy Broad-band Flux in 7.5 arcsec diameter aperture 2012GASC..C...0000S 2
3 FUV (GALEX) AB 21.4725 +/- 0.146786 mag 1.95E+15 9.35E-06 +/- 1.26E-06 Jy Broad-band Kron flux in elliptical aperture 2012GMSC..C...0000S 3
4 FUV (GALEX) AB 22.4964 +/- 0.204699 mag 1.95E+15 3.64E-06 +/- 6.87E-07 Jy Broad-band Flux in 7.5 arcsec diameter aperture 2012GMSC..C...0000S 4
5 NUV (GALEX) AB 20.5206 +/- 0.154151 mag 1.29E+15 2.25E-05 +/- 3.19E-06 Jy Broad-band Kron flux in elliptical aperture 2012GASC..C...0000S 5
6 NUV (GALEX) AB 21.3854 +/- 0.172599 mag 1.29E+15 1.01E-05 +/- 1.61E-06 Jy Broad-band Flux in 7.5 arcsec diameter aperture 2012GASC..C...0000S 6
7 NUV (GALEX) AB 20.6561 +/- 0.0665970 mag 1.29E+15 1.98E-05 +/- 1.22E-06 Jy Broad-band Kron flux in elliptical aperture 2012GMSC..C...0000S 7
8 NUV (GALEX) AB 21.5278 +/- 0.0727624 mag 1.29E+15 8.89E-06 +/- 5.96E-07 Jy Broad-band Flux in 7.5 arcsec diameter aperture 2012GMSC..C...0000S 8
9 b_J 17.02 +/- 0.12 mag 6.41E+14 6.15E-04 +/- 7.18E-05 Jy Broad-band 1990MNRAS.243..692M 9
10 J (2MASS/CTIO) 14.27 +/- 0.079 mag 2.43E+14 3.12E-03 +/- 2.27E-04 Jy Broad-band Profile-fit 2006AJ....131.1163S 10
11 J (2MASS/CTIO) 13.755 +/- 0.018 mag 2.43E+14 5.02E-03 +/- 8.32E-05 Jy Broad-band 4" aperture 2006AJ....131.1163S 11
12 J_14arcsec (2MASS) 13.375 +/- 0.024 mag 2.40E+14 7.11E-03 +/- 1.59E-04 Jy Broad-band 14.0 x 14.0 arcsec aperture. 20032MASX.C.......: 12
13 J 13.288 +/- 0.037 mag 2.40E+14 7.70E-03 +/- 2.67E-04 Jy Broad-band 20.2 x 14.9 arcsec integration area. 20032MASX.C.......: 13
14 J 13.162 +/- 0.046 mag 2.40E+14 8.65E-03 +/- 3.74E-04 Jy Broad-band 20032MASX.C.......: 14
15 H_14arcsec (2MASS) 12.677 +/- 0.035 mag 1.82E+14 8.70E-03 +/- 2.85E-04 Jy Broad-band 14.0 x 14.0 arcsec aperture. 20032MASX.C.......: 15
16 H 12.589 +/- 0.055 mag 1.82E+14 9.43E-03 +/- 4.90E-04 Jy Broad-band 20.2 x 14.9 arcsec integration area. 20032MASX.C.......: 16
17 H 12.435 +/- 0.065 mag 1.82E+14 1.09E-02 +/- 6.71E-04 Jy Broad-band 20032MASX.C.......: 17
18 H (2MASS/CTIO) 13.073 +/- 0.044 mag 1.80E+14 6.04E-03 +/- 2.45E-04 Jy Broad-band 4" aperture 2006AJ....131.1163S 18
19 H (2MASS/CTIO) 13.62 +/- 0.097 mag 1.80E+14 3.65E-03 +/- 3.26E-04 Jy Broad-band Profile-fit 2006AJ....131.1163S 19
20 K_s (2MASS/CTIO) 13.07 +/- 0.065 mag 1.39E+14 3.94E-03 +/- 2.36E-04 Jy Broad-band Profile-fit 2006AJ....131.1163S 20
21 K_s (2MASS/CTIO) 12.645 +/- 0.041 mag 1.39E+14 5.83E-03 +/- 2.20E-04 Jy Broad-band 4" aperture 2006AJ....131.1163S 21
22 K_s 12.045 +/- 0.075 mag 1.38E+14 1.01E-02 +/- 7.25E-04 Jy Broad-band 20032MASX.C.......: 22
23 K_s_14arcsec (2MASS) 12.253 +/- 0.039 mag 1.38E+14 8.37E-03 +/- 3.06E-04 Jy Broad-band 14.0 x 14.0 arcsec aperture. 20032MASX.C.......: 23
24 K_s 12.160 +/- 0.068 mag 1.38E+14 9.12E-03 +/- 5.89E-04 Jy Broad-band 20.2 x 14.9 arcsec integration area. 20032MASX.C.......: 24
25 20 GHz (ATCA) 92 +/- 5 milliJy 1.99E+10 9.20E-02 +/- 5.00E-03 Jy Broad-band 2010MNRAS.402.2403M 25
26 5000 MHz 0.240 ... Jy 5.00E+09 2.40E-01 ... Jy Broad-band 1990PKS90.C...0000W 26
27 4.85 GHz 227 +/- 16 milliJy 4.85E+09 2.27E-01 +/- 1.60E-02 Jy Broad-band 1994ApJS...90..179G 27
28 2700 MHz 0.300 ... Jy 2.70E+09 3.00E-01 ... Jy Broad-band 1990PKS90.C...0000W 28
29 408 MHz 0.98 +/- 0.05 Jy 4.08E+08 9.80E-01 +/- 5.00E-02 Jy Broad-band 1981MNRAS.194..693L 29
30 408 MHz 0.980 ... Jy 4.08E+08 9.80E-01 ... Jy Broad-band 1990PKS90.C...0000W 30
31 365 MHz (Texas) 1.198 +/- 0.060 Jy 3.65E+08 1.20E+00 +/- 6.00E-02 Jy Broad-band Model:A;MFlag:+;EFlag:C;LFlag:+. 1996AJ....111.1945D 31
32 74 MHz (VLA) 2.33 +/- 0.27 Jy 7.38E+07 2.33E+00 +/- 2.70E-01 Jy Broad-band Corrected for clean bias 2007AJ....134.1245C 32


Detailed Information for Each Entry

 No. 1
Reference Code : 2012GASC..C...0000S
Freq. targeted : FUV (GALEX) AB      
Measurement    : >21.4874     mag                  < 9.23E-32 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: 44.980211313885 -12.60969786460 (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 : FUV (GALEX) AB Measurement : 23.4529 mag = 1.51E-32 W m^-2^ Hz^-1^ Uncertainty : 1.08599 mag = 1.51E-32 Significance : uncertainty Freq or Vel. : 1538.6 A (OBS )= 1.95E+15 Hz Frequency mode : Broad-band measurement Coord. targeted: 44.980211313885 -12.60969786460 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : Flux in 7.5 arcsec diameter aperture
No. 3 Reference Code : 2012GMSC..C...0000S Freq. targeted : FUV (GALEX) AB Measurement : 21.4725 mag = 9.35E-32 W m^-2^ Hz^-1^ Uncertainty : 0.146786 mag = 1.26E-32 Significance : uncertainty Freq or Vel. : 1538.6 A (OBS )= 1.95E+15 Hz Frequency mode : Broad-band measurement Coord. targeted: 44.979943931811 -12.60980977308 (J2000) Spatial mode : Flux integrated from map Notes : From new raw data Qualifiers : Kron flux in elliptical aperture
No. 4 Reference Code : 2012GMSC..C...0000S Freq. targeted : FUV (GALEX) AB Measurement : 22.4964 mag = 3.64E-32 W m^-2^ Hz^-1^ Uncertainty : 0.204699 mag = 6.87E-33 Significance : uncertainty Freq or Vel. : 1538.6 A (OBS )= 1.95E+15 Hz Frequency mode : Broad-band measurement Coord. targeted: 44.979943931811 -12.60980977308 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : Flux in 7.5 arcsec diameter aperture
No. 5 Reference Code : 2012GASC..C...0000S Freq. targeted : NUV (GALEX) AB Measurement : 20.5206 mag = 2.25E-31 W m^-2^ Hz^-1^ Uncertainty : 0.154151 mag = 3.19E-32 Significance : uncertainty Freq or Vel. : 2315.7 A (OBS )= 1.29E+15 Hz Frequency mode : Broad-band measurement Coord. targeted: 44.980211313885 -12.60969786460 (J2000) Spatial mode : Flux integrated from map Notes : From new raw data Qualifiers : Kron flux in elliptical aperture
No. 6 Reference Code : 2012GASC..C...0000S Freq. targeted : NUV (GALEX) AB Measurement : 21.3854 mag = 1.01E-31 W m^-2^ Hz^-1^ Uncertainty : 0.172599 mag = 1.61E-32 Significance : uncertainty Freq or Vel. : 2315.7 A (OBS )= 1.29E+15 Hz Frequency mode : Broad-band measurement Coord. targeted: 44.980211313885 -12.60969786460 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : Flux in 7.5 arcsec diameter aperture
No. 7 Reference Code : 2012GMSC..C...0000S Freq. targeted : NUV (GALEX) AB Measurement : 20.6561 mag = 1.98E-31 W m^-2^ Hz^-1^ Uncertainty : 0.0665970 mag = 1.22E-32 Significance : uncertainty Freq or Vel. : 2315.7 A (OBS )= 1.29E+15 Hz Frequency mode : Broad-band measurement Coord. targeted: 44.979943931811 -12.60980977308 (J2000) Spatial mode : Flux integrated from map Notes : From new raw data Qualifiers : Kron flux in elliptical aperture
No. 8 Reference Code : 2012GMSC..C...0000S Freq. targeted : NUV (GALEX) AB Measurement : 21.5278 mag = 8.89E-32 W m^-2^ Hz^-1^ Uncertainty : 0.0727624 mag = 5.96E-33 Significance : uncertainty Freq or Vel. : 2315.7 A (OBS )= 1.29E+15 Hz Frequency mode : Broad-band measurement Coord. targeted: 44.979943931811 -12.60980977308 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : Flux in 7.5 arcsec diameter aperture
No. 9 Reference Code : 1990MNRAS.243..692M Freq. targeted : b_J Measurement : 17.02 mag = 6.15E-30 W m^-2^ Hz^-1^ Uncertainty : 0.12 mag = 7.18E-31 Significance : rms uncertainty Freq or Vel. : 4680 A (OBS )= 6.41E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 025732.10 -124826.9 (B1950) Spatial mode : Flux integrated from map Notes : From new raw data Qualifiers :
No. 10 Reference Code : 2006AJ....131.1163S Freq. targeted : J (2MASS/CTIO) Measurement : 14.27 mag = 3.12E-29 W m^-2^ Hz^-1^ Uncertainty : 0.079 mag = 2.27E-30 Significance : uncertainty Freq or Vel. : 1.235 microns (OBS )= 2.43E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : Profile-fit
No. 11 Reference Code : 2006AJ....131.1163S Freq. targeted : J (2MASS/CTIO) Measurement : 13.755 mag = 5.02E-29 W m^-2^ Hz^-1^ Uncertainty : 0.018 mag = 8.32E-31 Significance : uncertainty Freq or Vel. : 1.235 microns (OBS )= 2.43E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : 4" aperture
No. 12 Reference Code : 20032MASX.C.......: Freq. targeted : J_14arcsec (2MASS) Measurement : 13.375 mag = 7.11E-29 W m^-2^ Hz^-1^ Uncertainty : 0.024 mag = 1.59E-30 Significance : 1 sigma uncert. Freq or Vel. : 1.25 microns (OBS )= 2.40E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 025955.29 -123634.8 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : 14.0 x 14.0 arcsec aperture.
No. 13 Reference Code : 20032MASX.C.......: Freq. targeted : J Measurement : 13.288 mag = 7.70E-29 W m^-2^ Hz^-1^ Uncertainty : 0.037 mag = 2.67E-30 Significance : 1 sigma uncert. Freq or Vel. : 1.25 microns (OBS )= 2.40E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 025955.29 -123634.8 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : 20.2 x 14.9 arcsec integration area.
No. 14 Reference Code : 20032MASX.C.......: Freq. targeted : J Measurement : 13.162 mag = 8.65E-29 W m^-2^ Hz^-1^ Uncertainty : 0.046 mag = 3.74E-30 Significance : 1 sigma uncert. Freq or Vel. : 1.25 microns (OBS )= 2.40E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 025955.29 -123634.8 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers :
No. 15 Reference Code : 20032MASX.C.......: Freq. targeted : H_14arcsec (2MASS) Measurement : 12.677 mag = 8.70E-29 W m^-2^ Hz^-1^ Uncertainty : 0.035 mag = 2.85E-30 Significance : 1 sigma uncert. Freq or Vel. : 1.65 microns (OBS )= 1.82E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 025955.29 -123634.8 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : 14.0 x 14.0 arcsec aperture.
No. 16 Reference Code : 20032MASX.C.......: Freq. targeted : H Measurement : 12.589 mag = 9.43E-29 W m^-2^ Hz^-1^ Uncertainty : 0.055 mag = 4.90E-30 Significance : 1 sigma uncert. Freq or Vel. : 1.65 microns (OBS )= 1.82E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 025955.29 -123634.8 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : 20.2 x 14.9 arcsec integration area.
No. 17 Reference Code : 20032MASX.C.......: Freq. targeted : H Measurement : 12.435 mag = 1.09E-28 W m^-2^ Hz^-1^ Uncertainty : 0.065 mag = 6.71E-30 Significance : 1 sigma uncert. Freq or Vel. : 1.65 microns (OBS )= 1.82E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 025955.29 -123634.8 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers :
No. 18 Reference Code : 2006AJ....131.1163S Freq. targeted : H (2MASS/CTIO) Measurement : 13.073 mag = 6.04E-29 W m^-2^ Hz^-1^ Uncertainty : 0.044 mag = 2.45E-30 Significance : uncertainty Freq or Vel. : 1.662 microns (OBS )= 1.80E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : 4" aperture
No. 19 Reference Code : 2006AJ....131.1163S Freq. targeted : H (2MASS/CTIO) Measurement : 13.62 mag = 3.65E-29 W m^-2^ Hz^-1^ Uncertainty : 0.097 mag = 3.26E-30 Significance : uncertainty Freq or Vel. : 1.662 microns (OBS )= 1.80E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : Profile-fit
No. 20 Reference Code : 2006AJ....131.1163S Freq. targeted : K_s (2MASS/CTIO) Measurement : 13.07 mag = 3.94E-29 W m^-2^ Hz^-1^ Uncertainty : 0.065 mag = 2.36E-30 Significance : uncertainty Freq or Vel. : 2.159 microns (OBS )= 1.39E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : Profile-fit
No. 21 Reference Code : 2006AJ....131.1163S Freq. targeted : K_s (2MASS/CTIO) Measurement : 12.645 mag = 5.83E-29 W m^-2^ Hz^-1^ Uncertainty : 0.041 mag = 2.20E-30 Significance : uncertainty Freq or Vel. : 2.159 microns (OBS )= 1.39E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : 4" aperture
No. 22 Reference Code : 20032MASX.C.......: Freq. targeted : K_s Measurement : 12.045 mag = 1.01E-28 W m^-2^ Hz^-1^ Uncertainty : 0.075 mag = 7.25E-30 Significance : 1 sigma uncert. Freq or Vel. : 2.17 microns (OBS )= 1.38E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 025955.29 -123634.8 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers :
No. 23 Reference Code : 20032MASX.C.......: Freq. targeted : K_s_14arcsec (2MASS) Measurement : 12.253 mag = 8.37E-29 W m^-2^ Hz^-1^ Uncertainty : 0.039 mag = 3.06E-30 Significance : 1 sigma uncert. Freq or Vel. : 2.17 microns (OBS )= 1.38E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 025955.29 -123634.8 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : 14.0 x 14.0 arcsec aperture.
No. 24 Reference Code : 20032MASX.C.......: Freq. targeted : K_s Measurement : 12.160 mag = 9.12E-29 W m^-2^ Hz^-1^ Uncertainty : 0.068 mag = 5.89E-30 Significance : 1 sigma uncert. Freq or Vel. : 2.17 microns (OBS )= 1.38E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 025955.29 -123634.8 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : 20.2 x 14.9 arcsec integration area.
No. 25 Reference Code : 2010MNRAS.402.2403M Freq. targeted : 20 GHz (ATCA) Measurement : 92 milliJy = 9.20E-28 W m^-2^ Hz^-1^ Uncertainty : 5 milliJy = 5.00E-29 Significance : rms uncertainty Freq or Vel. : 19.904 GHz (OBS )= 1.99E+10 Hz Frequency mode : Broad-band measurement Coord. targeted: 02 59 55.24 -12 36 35.1 (J2000) Spatial mode : Flux integrated from map Notes : From new raw data Qualifiers :
No. 26 Reference Code : 1990PKS90.C...0000W Freq. targeted : 5000 MHz Measurement : 0.240 Jy = 2.40E-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: 02 57 32.0 -12 48 29 (B1950) Spatial mode : Integrated from scans Notes : Homogenized from new and previously published data Qualifiers :
No. 27 Reference Code : 1994ApJS...90..179G Freq. targeted : 4.85 GHz Measurement : 227 milliJy = 2.27E-27 W m^-2^ Hz^-1^ Uncertainty : 16 milliJy = 1.60E-28 Significance : rms noise Freq or Vel. : 4.85 GHz (OBS )= 4.85E+09 Hz Frequency mode : Broad-band measurement Coord. targeted: 025954.7 -123631 (J2000) Spatial mode : Modelled datum Notes : From new raw data; Corrected for contaminating sources Qualifiers :
No. 28 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: 02 57 32.0 -12 48 29 (B1950) Spatial mode : Integrated from scans Notes : Homogenized from new and previously published data Qualifiers :
No. 29 Reference Code : 1981MNRAS.194..693L Freq. targeted : 408 MHz Measurement : 0.98 Jy = 9.80E-27 W m^-2^ Hz^-1^ Uncertainty : 0.05 Jy = 5.00E-28 Significance : rms noise Freq or Vel. : 408 MHz (OBS )= 4.08E+08 Hz Frequency mode : Broad-band measurement Coord. targeted: 025732.0 -124823 (B1950) Spatial mode : Modelled datum Notes : From new raw data; Corrected for contaminating sources Qualifiers :
No. 30 Reference Code : 1990PKS90.C...0000W Freq. targeted : 408 MHz Measurement : 0.980 Jy = 9.80E-27 W m^-2^ Hz^-1^ Uncertainty : Jy = 0.00E+00 Significance : no uncertainty reported Freq or Vel. : 408 MHz (OBS )= 4.08E+08 Hz Frequency mode : Broad-band measurement Coord. targeted: 02 57 32.0 -12 48 29 (B1950) Spatial mode : Integrated from scans Notes : Homogenized from new and previously published data Qualifiers :
No. 31 Reference Code : 1996AJ....111.1945D Freq. targeted : 365 MHz (Texas) Measurement : 1.198 Jy = 1.20E-26 W m^-2^ Hz^-1^ Uncertainty : 0.060 Jy = 6.00E-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: 025732.782 -124811.32 (B1950) Spatial mode : Integrated from scans Notes : From new raw data Qualifiers : Model:A;MFlag:+;EFlag:C;LFlag:+.
No. 32 Reference Code : 2007AJ....134.1245C Freq. targeted : 74 MHz (VLA) Measurement : 2.33 Jy = 2.33E-26 W m^-2^ Hz^-1^ Uncertainty : 0.27 Jy = 2.70E-27 Significance : rms uncertainty Freq or Vel. : 73.8 MHz (OBS )= 7.38E+07 Hz Frequency mode : Broad-band measurement Coord. targeted: 02 59 55.13 -12 36 35.6 (J2000) Spatial mode : Flux integrated from map Notes : From new raw data Qualifiers : Corrected for clean bias

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