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Date and Time of the Query: 2019-02-17 T07:30:44 PST
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Spectral Energy Distribution (SED) for NGC 4128:

33 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 18.9193 +/- 0.103761 mag 1.95E+15 9.82E-05 +/- 9.39E-06 Jy Broad-band Kron flux in elliptical aperture 2012GASC..C...0000S 1
2 FUV (GALEX) AB 19.9041 +/- 0.146910 mag 1.95E+15 3.97E-05 +/- 5.37E-06 Jy Broad-band Flux in 7.5 arcsec diameter aperture 2012GASC..C...0000S 2
3 NUV (GALEX) AB 17.6603 +/- 0.0324350 mag 1.29E+15 3.13E-04 +/- 9.36E-06 Jy Broad-band Kron flux in elliptical aperture 2012GASC..C...0000S 3
4 NUV (GALEX) AB 19.3872 +/- 0.0687158 mag 1.29E+15 6.38E-05 +/- 4.04E-06 Jy Broad-band Flux in 7.5 arcsec diameter aperture 2012GASC..C...0000S 4
5 U (U_T^0) 13.30 ... mag 8.19E+14 8.66E-03 ... Jy Broad-band 1991RC3.9.C...0000d 5
6 U (U_T) 13.43 +/- 0.13 mag 8.19E+14 7.69E-03 +/- 9.90E-04 Jy Broad-band 1991RC3.9.C...0000d 6
7 B (B_T^0) 12.79 ... mag 6.81E+14 3.26E-02 ... Jy Broad-band 1991RC3.9.C...0000d 7
8 m_p 12.7 +/- 0.4 mag 6.81E+14 3.54E-02 +/- 1.58E-02 Jy Broad-band 1968CGCG4.C...0000Z 8
9 B (B_T) 12.93 +/- 0.13 mag 6.81E+14 2.87E-02 +/- 3.65E-03 Jy Broad-band 1991RC3.9.C...0000d 9
10 B (m_B) 12.77 +/- 0.12 mag 6.81E+14 3.32E-02 +/- 3.88E-03 Jy Broad-band 1991RC3.9.C...0000d 10
11 V (V_T^0) 11.86 ... mag 5.42E+14 6.56E-02 ... Jy Broad-band 1991RC3.9.C...0000d 11
12 V (V_T) 11.97 +/- 0.13 mag 5.42E+14 5.93E-02 +/- 7.57E-03 Jy Broad-band 1991RC3.9.C...0000d 12
13 J (2MASS/FLWO) 11.029 +/- 0.03 mag 2.43E+14 6.18E-02 +/- 1.71E-03 Jy Broad-band Profile-fit; Poor quality 2006AJ....131.1163S 13
14 J (2MASS/FLWO) 10.985 +/- 0.009 mag 2.43E+14 6.43E-02 +/- 5.33E-04 Jy Broad-band 4" aperture 2006AJ....131.1163S 14
15 J 9.763 +/- 0.010 mag 2.40E+14 1.98E-01 +/- 1.83E-03 Jy Broad-band 108.6 x 39.1 arcsec integration area. 20032MASX.C.......: 15
16 J 9.680 +/- 0.017 mag 2.40E+14 2.14E-01 +/- 3.37E-03 Jy Broad-band 20032MASX.C.......: 16
17 J_14arcsec (2MASS) 10.565 +/- 0.002 mag 2.40E+14 9.46E-02 +/- 1.74E-04 Jy Broad-band 14.0 x 14.0 arcsec aperture. 20032MASX.C.......: 17
18 H 8.998 +/- 0.019 mag 1.82E+14 2.58E-01 +/- 4.55E-03 Jy Broad-band 20032MASX.C.......: 18
19 H_14arcsec (2MASS) 9.866 +/- 0.003 mag 1.82E+14 1.16E-01 +/- 3.21E-04 Jy Broad-band 14.0 x 14.0 arcsec aperture. 20032MASX.C.......: 19
20 H 9.070 +/- 0.012 mag 1.82E+14 2.41E-01 +/- 2.68E-03 Jy Broad-band 108.6 x 39.1 arcsec integration area. 20032MASX.C.......: 20
21 H (2MASS/FLWO) 10.263 +/- 0.003 mag 1.80E+14 8.04E-02 +/- 2.22E-04 Jy Broad-band 4" aperture 2006AJ....131.1163S 21
22 H (2MASS/FLWO) 10.173 +/- 0.025 mag 1.80E+14 8.73E-02 +/- 2.01E-03 Jy Broad-band Profile-fit; Poor quality 2006AJ....131.1163S 22
23 K_s (2MASS/FLWO) 9.923 +/- 0.022 mag 1.39E+14 7.16E-02 +/- 1.45E-03 Jy Broad-band Profile-fit; Poor quality 2006AJ....131.1163S 23
24 K_s (2MASS/FLWO) 10.02 +/- 0.003 mag 1.39E+14 6.55E-02 +/- 1.81E-04 Jy Broad-band 4" aperture 2006AJ....131.1163S 24
25 K_s 8.814 +/- 0.015 mag 1.38E+14 1.99E-01 +/- 2.77E-03 Jy Broad-band 108.6 x 39.1 arcsec integration area. 20032MASX.C.......: 25
26 K_s 8.748 +/- 0.022 mag 1.38E+14 2.11E-01 +/- 4.32E-03 Jy Broad-band 20032MASX.C.......: 26
27 K_s_14arcsec (2MASS) 9.598 +/- 0.003 mag 1.38E+14 9.66E-02 +/- 2.67E-04 Jy Broad-band 14.0 x 14.0 arcsec aperture. 20032MASX.C.......: 27
28 12 microns (IRAS) ... <0.020 Jy 2.50E+13 < 2.00E-02 Jy Broad-band 1994PrivC.U..J....K 28
29 25 microns (IRAS) ... <0.016 Jy 1.20E+13 < 1.60E-02 Jy Broad-band 1994PrivC.U..J....K 29
30 60 microns (IRAS) ... <0.027 Jy 5.00E+12 < 2.70E-02 Jy Broad-band 1994PrivC.U..J....K 30
31 100 microns (IRAS) ... <0.070 Jy 3.00E+12 < 7.00E-02 Jy Broad-band 1994PrivC.U..J....K 31
32 1.4 GHz (VLA) 0.3 +/- 0.5 milliJy 1.40E+09 3.00E-04 +/- 5.00E-04 Jy Broad-band 2011ApJ...731L..41B 32
33 57.5 MHz ... <0.3 Jy 5.75E+07 < 3.00E-01 Jy Broad-band 1990ApJ...352...30I 33


Detailed Information for Each Entry

 No. 1
Reference Code : 2012GASC..C...0000S
Freq. targeted : FUV (GALEX) AB      
Measurement    :  18.9193     mag                  = 9.82E-31 W m^-2^ Hz^-1^
Uncertainty    :  0.103761    mag                  = 9.39E-32
Significance   : uncertainty
Freq or Vel.   : 1538.6       A            (OBS   )= 1.95E+15 Hz
Frequency mode : Broad-band measurement
Coord. targeted: 182.13389267770 68.767967712671 (J2000)
Spatial mode   : Flux integrated from map
Notes          : From new raw data
Qualifiers     : Kron flux in elliptical aperture        

No. 2 Reference Code : 2012GASC..C...0000S Freq. targeted : FUV (GALEX) AB Measurement : 19.9041 mag = 3.97E-31 W m^-2^ Hz^-1^ Uncertainty : 0.146910 mag = 5.37E-32 Significance : uncertainty Freq or Vel. : 1538.6 A (OBS )= 1.95E+15 Hz Frequency mode : Broad-band measurement Coord. targeted: 182.13389267770 68.767967712671 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : Flux in 7.5 arcsec diameter aperture
No. 3 Reference Code : 2012GASC..C...0000S Freq. targeted : NUV (GALEX) AB Measurement : 17.6603 mag = 3.13E-30 W m^-2^ Hz^-1^ Uncertainty : 0.0324350 mag = 9.36E-32 Significance : uncertainty Freq or Vel. : 2315.7 A (OBS )= 1.29E+15 Hz Frequency mode : Broad-band measurement Coord. targeted: 182.13389267770 68.767967712671 (J2000) Spatial mode : Flux integrated from map Notes : From new raw data Qualifiers : Kron flux in elliptical aperture
No. 4 Reference Code : 2012GASC..C...0000S Freq. targeted : NUV (GALEX) AB Measurement : 19.3872 mag = 6.38E-31 W m^-2^ Hz^-1^ Uncertainty : 0.0687158 mag = 4.04E-32 Significance : uncertainty Freq or Vel. : 2315.7 A (OBS )= 1.29E+15 Hz Frequency mode : Broad-band measurement Coord. targeted: 182.13389267770 68.767967712671 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : Flux in 7.5 arcsec diameter aperture
No. 5 Reference Code : 1991RC3.9.C...0000d Freq. targeted : U (U_T^0) Measurement : 13.30 mag = 8.66E-29 W m^-2^ Hz^-1^ Uncertainty : mag = 0.00E+00 Significance : no uncertainty reported Freq or Vel. : 3660 A (OBS )= 8.19E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 120604.3 +69 245 (B1950) Spatial mode : From multi-aperture data Notes : Homogenized from new and previously published data; Extinction-corrected for internal and Milky Way and K-correction applied; Standard Johnson UBVRI filters assumed Qualifiers :
No. 6 Reference Code : 1991RC3.9.C...0000d Freq. targeted : U (U_T) Measurement : 13.43 mag = 7.69E-29 W m^-2^ Hz^-1^ Uncertainty : 0.13 mag = 9.90E-30 Significance : rms uncertainty Freq or Vel. : 3660 A (OBS )= 8.19E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 120604.3 +69 245 (B1950) Spatial mode : From multi-aperture data Notes : Homogenized from new and previously published data; Standard Johnson UBVRI filters assumed Qualifiers :
No. 7 Reference Code : 1991RC3.9.C...0000d Freq. targeted : B (B_T^0) Measurement : 12.79 mag = 3.26E-28 W m^-2^ Hz^-1^ Uncertainty : mag = 0.00E+00 Significance : no uncertainty reported Freq or Vel. : 4400 A (OBS )= 6.81E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 120604.3 +69 245 (B1950) Spatial mode : Multiple methods Notes : Homogenized from new and previously published data; Extinction-corrected for internal and Milky Way and K-correction applied; Standard Johnson UBVRI filters assumed Qualifiers :
No. 8 Reference Code : 1968CGCG4.C...0000Z Freq. targeted : m_p Measurement : 12.7 mag = 3.54E-28 W m^-2^ Hz^-1^ Uncertainty : 0.4 mag = 1.58E-28 Significance : rms noise Freq or Vel. : 4400 A (OBS )= 6.81E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 120600.0 +690300. (B1950) Spatial mode : Estimated by eye Notes : From new raw data Qualifiers :
No. 9 Reference Code : 1991RC3.9.C...0000d Freq. targeted : B (B_T) Measurement : 12.93 mag = 2.87E-28 W m^-2^ Hz^-1^ Uncertainty : 0.13 mag = 3.65E-29 Significance : rms uncertainty Freq or Vel. : 4400 A (OBS )= 6.81E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 120604.3 +69 245 (B1950) Spatial mode : From multi-aperture data Notes : Homogenized from new and previously published data; Standard Johnson UBVRI filters assumed Qualifiers :
No. 10 Reference Code : 1991RC3.9.C...0000d Freq. targeted : B (m_B) Measurement : 12.77 mag = 3.32E-28 W m^-2^ Hz^-1^ Uncertainty : 0.12 mag = 3.88E-29 Significance : rms uncertainty Freq or Vel. : 4400 A (OBS )= 6.81E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 120604.3 +69 245 (B1950) Spatial mode : Multiple methods Notes : Homogenized from new and previously published data; Standard Johnson UBVRI filters assumed Qualifiers :
No. 11 Reference Code : 1991RC3.9.C...0000d Freq. targeted : V (V_T^0) Measurement : 11.86 mag = 6.56E-28 W m^-2^ Hz^-1^ Uncertainty : mag = 0.00E+00 Significance : no uncertainty reported Freq or Vel. : 5530 A (OBS )= 5.42E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 120604.3 +69 245 (B1950) Spatial mode : From multi-aperture data Notes : Homogenized from new and previously published data; Extinction-corrected for internal and Milky Way and K-correction applied; Standard Johnson UBVRI filters assumed Qualifiers :
No. 12 Reference Code : 1991RC3.9.C...0000d Freq. targeted : V (V_T) Measurement : 11.97 mag = 5.93E-28 W m^-2^ Hz^-1^ Uncertainty : 0.13 mag = 7.57E-29 Significance : rms uncertainty Freq or Vel. : 5530 A (OBS )= 5.42E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 120604.3 +69 245 (B1950) Spatial mode : From multi-aperture data Notes : Homogenized from new and previously published data; Standard Johnson UBVRI filters assumed Qualifiers :
No. 13 Reference Code : 2006AJ....131.1163S Freq. targeted : J (2MASS/FLWO) Measurement : 11.029 mag = 6.18E-28 W m^-2^ Hz^-1^ Uncertainty : 0.03 mag = 1.71E-29 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; Poor quality
No. 14 Reference Code : 2006AJ....131.1163S Freq. targeted : J (2MASS/FLWO) Measurement : 10.985 mag = 6.43E-28 W m^-2^ Hz^-1^ Uncertainty : 0.009 mag = 5.33E-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 : 4" aperture
No. 15 Reference Code : 20032MASX.C.......: Freq. targeted : J Measurement : 9.763 mag = 1.98E-27 W m^-2^ Hz^-1^ Uncertainty : 0.010 mag = 1.83E-29 Significance : 1 sigma uncert. Freq or Vel. : 1.25 microns (OBS )= 2.40E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 120832.33 +684603.4 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : 108.6 x 39.1 arcsec integration area.
No. 16 Reference Code : 20032MASX.C.......: Freq. targeted : J Measurement : 9.680 mag = 2.14E-27 W m^-2^ Hz^-1^ Uncertainty : 0.017 mag = 3.37E-29 Significance : 1 sigma uncert. Freq or Vel. : 1.25 microns (OBS )= 2.40E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 120832.33 +684603.4 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers :
No. 17 Reference Code : 20032MASX.C.......: Freq. targeted : J_14arcsec (2MASS) Measurement : 10.565 mag = 9.46E-28 W m^-2^ Hz^-1^ Uncertainty : 0.002 mag = 1.74E-30 Significance : 1 sigma uncert. Freq or Vel. : 1.25 microns (OBS )= 2.40E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 120832.33 +684603.4 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : 14.0 x 14.0 arcsec aperture.
No. 18 Reference Code : 20032MASX.C.......: Freq. targeted : H Measurement : 8.998 mag = 2.58E-27 W m^-2^ Hz^-1^ Uncertainty : 0.019 mag = 4.55E-29 Significance : 1 sigma uncert. Freq or Vel. : 1.65 microns (OBS )= 1.82E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 120832.33 +684603.4 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers :
No. 19 Reference Code : 20032MASX.C.......: Freq. targeted : H_14arcsec (2MASS) Measurement : 9.866 mag = 1.16E-27 W m^-2^ Hz^-1^ Uncertainty : 0.003 mag = 3.21E-30 Significance : 1 sigma uncert. Freq or Vel. : 1.65 microns (OBS )= 1.82E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 120832.33 +684603.4 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : 14.0 x 14.0 arcsec aperture.
No. 20 Reference Code : 20032MASX.C.......: Freq. targeted : H Measurement : 9.070 mag = 2.41E-27 W m^-2^ Hz^-1^ Uncertainty : 0.012 mag = 2.68E-29 Significance : 1 sigma uncert. Freq or Vel. : 1.65 microns (OBS )= 1.82E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 120832.33 +684603.4 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : 108.6 x 39.1 arcsec integration area.
No. 21 Reference Code : 2006AJ....131.1163S Freq. targeted : H (2MASS/FLWO) Measurement : 10.263 mag = 8.04E-28 W m^-2^ Hz^-1^ Uncertainty : 0.003 mag = 2.22E-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. 22 Reference Code : 2006AJ....131.1163S Freq. targeted : H (2MASS/FLWO) Measurement : 10.173 mag = 8.73E-28 W m^-2^ Hz^-1^ Uncertainty : 0.025 mag = 2.01E-29 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; Poor quality
No. 23 Reference Code : 2006AJ....131.1163S Freq. targeted : K_s (2MASS/FLWO) Measurement : 9.923 mag = 7.16E-28 W m^-2^ Hz^-1^ Uncertainty : 0.022 mag = 1.45E-29 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; Poor quality
No. 24 Reference Code : 2006AJ....131.1163S Freq. targeted : K_s (2MASS/FLWO) Measurement : 10.02 mag = 6.55E-28 W m^-2^ Hz^-1^ Uncertainty : 0.003 mag = 1.81E-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. 25 Reference Code : 20032MASX.C.......: Freq. targeted : K_s Measurement : 8.814 mag = 1.99E-27 W m^-2^ Hz^-1^ Uncertainty : 0.015 mag = 2.77E-29 Significance : 1 sigma uncert. Freq or Vel. : 2.17 microns (OBS )= 1.38E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 120832.33 +684603.4 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : 108.6 x 39.1 arcsec integration area.
No. 26 Reference Code : 20032MASX.C.......: Freq. targeted : K_s Measurement : 8.748 mag = 2.11E-27 W m^-2^ Hz^-1^ Uncertainty : 0.022 mag = 4.32E-29 Significance : 1 sigma uncert. Freq or Vel. : 2.17 microns (OBS )= 1.38E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 120832.33 +684603.4 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers :
No. 27 Reference Code : 20032MASX.C.......: Freq. targeted : K_s_14arcsec (2MASS) Measurement : 9.598 mag = 9.66E-28 W m^-2^ Hz^-1^ Uncertainty : 0.003 mag = 2.67E-30 Significance : 1 sigma uncert. Freq or Vel. : 2.17 microns (OBS )= 1.38E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 120832.33 +684603.4 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : 14.0 x 14.0 arcsec aperture.
No. 28 Reference Code : 1994PrivC.U..J....K Freq. targeted : 12 microns (IRAS) Measurement : <0.020 Jy < 2.00E-28 W m^-2^ Hz^-1^ Uncertainty : Significance : 1 sigma Freq or Vel. : 12 microns (OBS )= 2.50E+13 Hz Frequency mode : Broad-band measurement Coord. targeted: 120605. +690248 (B1950) Spatial mode : From fitting to map Notes : From reprocessed raw data Qualifiers :
No. 29 Reference Code : 1994PrivC.U..J....K Freq. targeted : 25 microns (IRAS) Measurement : <0.016 Jy < 1.60E-28 W m^-2^ Hz^-1^ Uncertainty : Significance : 1 sigma Freq or Vel. : 25 microns (OBS )= 1.20E+13 Hz Frequency mode : Broad-band measurement Coord. targeted: 120605. +690248 (B1950) Spatial mode : From fitting to map Notes : From reprocessed raw data Qualifiers :
No. 30 Reference Code : 1994PrivC.U..J....K Freq. targeted : 60 microns (IRAS) Measurement : <0.027 Jy < 2.70E-28 W m^-2^ Hz^-1^ Uncertainty : Significance : 1 sigma Freq or Vel. : 60 microns (OBS )= 5.00E+12 Hz Frequency mode : Broad-band measurement Coord. targeted: 120605. +690248 (B1950) Spatial mode : From fitting to map Notes : From reprocessed raw data Qualifiers :
No. 31 Reference Code : 1994PrivC.U..J....K Freq. targeted : 100 microns (IRAS) Measurement : <0.070 Jy < 7.00E-28 W m^-2^ Hz^-1^ Uncertainty : Significance : 1 sigma Freq or Vel. : 100 microns (OBS )= 3.00E+12 Hz Frequency mode : Broad-band measurement Coord. targeted: 120605. +690248 (B1950) Spatial mode : From fitting to map Notes : From reprocessed raw data Qualifiers :
No. 32 Reference Code : 2011ApJ...731L..41B Freq. targeted : 1.4 GHz (VLA) Measurement : 0.3 milliJy = 3.00E-30 W m^-2^ Hz^-1^ Uncertainty : 0.5 milliJy = 5.00E-30 Significance : uncertainty Freq or Vel. : 1.4 GHz (OBS )= 1.40E+09 Hz Frequency mode : Broad-band measurement Coord. targeted: 12 08 32.358 +68 46 03.48 (J2000) Spatial mode : Flux integrated from map Notes : From reprocessed raw data Qualifiers :
No. 33 Reference Code : 1990ApJ...352...30I Freq. targeted : 57.5 MHz Measurement : <0.3 Jy < 3.00E-27 W m^-2^ Hz^-1^ Uncertainty : Significance : no uncertainty reported Freq or Vel. : 57.5 MHz (OBS )= 5.75E+07 Hz Frequency mode : Broad-band measurement Coord. targeted: Spatial mode : Flux integrated from map Notes : From new raw data Qualifiers :

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