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Date and Time of the Query: 2019-05-25 T07:36:51 PDT
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Spectral Energy Distribution (SED) for NGC 7426:

26 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 B (m_B) 13.31 +/- 0.15 mag 6.81E+14 2.02E-02 +/- 2.99E-03 Jy Broad-band 1991RC3.9.C...0000d 1
2 B (m_B^0) 12.80 ... mag 6.81E+14 3.23E-02 ... Jy Broad-band 1991RC3.9.C...0000d 2
3 m_p 13.6 +/- 0.4 mag 6.81E+14 1.55E-02 +/- 6.89E-03 Jy Broad-band 1968CGCG6.C...0000Z 3
4 J (2MASS/FLWO) 11.936 +/- 0.05 mag 2.43E+14 2.68E-02 +/- 1.23E-03 Jy Broad-band Profile-fit; Poor quality 2006AJ....131.1163S 4
5 J (2MASS/FLWO) 11.595 +/- 0.004 mag 2.43E+14 3.67E-02 +/- 1.35E-04 Jy Broad-band 4" aperture 2006AJ....131.1163S 5
6 J 9.846 +/- 0.013 mag 2.40E+14 1.83E-01 +/- 2.21E-03 Jy Broad-band 20032MASX.C.......: 6
7 J_14arcsec (2MASS) 11.013 +/- 0.003 mag 2.40E+14 6.26E-02 +/- 1.73E-04 Jy Broad-band 14.0 x 14.0 arcsec aperture. 20032MASX.C.......: 7
8 J 9.933 +/- 0.013 mag 2.40E+14 1.69E-01 +/- 2.04E-03 Jy Broad-band 88.6 x 54.9 arcsec integration area. 20032MASX.C.......: 8
9 H 9.092 +/- 0.016 mag 1.82E+14 2.36E-01 +/- 3.51E-03 Jy Broad-band 20032MASX.C.......: 9
10 H_14arcsec (2MASS) 10.254 +/- 0.004 mag 1.82E+14 8.10E-02 +/- 2.99E-04 Jy Broad-band 14.0 x 14.0 arcsec aperture. 20032MASX.C.......: 10
11 H 9.190 +/- 0.017 mag 1.82E+14 2.16E-01 +/- 3.41E-03 Jy Broad-band 88.6 x 54.9 arcsec integration area. 20032MASX.C.......: 11
12 H (2MASS/FLWO) 10.822 +/- 0.006 mag 1.80E+14 4.80E-02 +/- 2.65E-04 Jy Broad-band 4" aperture 2006AJ....131.1163S 12
13 H (2MASS/FLWO) 11.214 +/- 0.067 mag 1.80E+14 3.35E-02 +/- 2.07E-03 Jy Broad-band Profile-fit; Poor quality 2006AJ....131.1163S 13
14 K_s (2MASS/FLWO) 10.537 +/- 0.004 mag 1.39E+14 4.07E-02 +/- 1.50E-04 Jy Broad-band 4" aperture 2006AJ....131.1163S 14
15 K_s (2MASS/FLWO) 10.764 +/- 0.04 mag 1.39E+14 3.30E-02 +/- 1.22E-03 Jy Broad-band Profile-fit; Poor quality 2006AJ....131.1163S 15
16 K_s_14arcsec (2MASS) 9.956 +/- 0.005 mag 1.38E+14 6.94E-02 +/- 3.21E-04 Jy Broad-band 14.0 x 14.0 arcsec aperture. 20032MASX.C.......: 16
17 K_s 8.901 +/- 0.021 mag 1.38E+14 1.83E-01 +/- 3.58E-03 Jy Broad-band 88.6 x 54.9 arcsec integration area. 20032MASX.C.......: 17
18 K_s 8.815 +/- 0.020 mag 1.38E+14 1.99E-01 +/- 3.69E-03 Jy Broad-band 20032MASX.C.......: 18
19 12 microns (IRAS) ... <0.036 Jy 2.50E+13 < 3.60E-02 Jy Broad-band 1994PrivC.U..J....K 19
20 25 microns (IRAS) ... <0.025 Jy 1.20E+13 < 2.50E-02 Jy Broad-band 1994PrivC.U..J....K 20
21 60 microns (IRAS) 0.120 +/- 0.051 Jy 5.00E+12 1.20E-01 +/- 5.10E-02 Jy Broad-band 1994PrivC.U..J....K 21
22 100 microns (IRAS) 1.000 +/- 0.176 Jy 3.00E+12 1.00E+00 +/- 1.76E-01 Jy Broad-band 1994PrivC.U..J....K 22
23 2380 MHz 4. +/- 3. milliJy 2.38E+09 4.00E-03 +/- 3.00E-03 Jy Broad-band 1978ApJS...36...53D 23
24 1.4GHz 6.3 +/- 0.5 milliJy 1.40E+09 6.30E-03 +/- 5.00E-04 Jy Broad-band 1998AJ....115.1693C 24
25 1.4 GHz (VLA) 6.0 +/- 0.5 milliJy 1.40E+09 6.00E-03 +/- 5.00E-04 Jy Broad-band 2011ApJ...731L..41B 25
26 1.4 GHz (VLA) 6.0 ... milliJy 1.40E+09 6.00E-03 ... Jy Broad-band 2002AJ....124..675C 26


Detailed Information for Each Entry

 No. 1
Reference Code : 1991RC3.9.C...0000d
Freq. targeted : B (m_B)             
Measurement    :  13.31       mag                  = 2.02E-28 W m^-2^ Hz^-1^
Uncertainty    :  0.15        mag                  = 2.99E-29
Significance   : rms uncertainty
Freq or Vel.   : 4400         A            (OBS   )= 6.81E+14 Hz
Frequency mode : Broad-band measurement
Coord. targeted: 225343.3        +360540 (B1950)
Spatial mode   : Multiple methods
Notes          : Homogenized from new and previously published data; Standard
                 Johnson UBVRI filters assumed
Qualifiers     :                                         

No. 2 Reference Code : 1991RC3.9.C...0000d Freq. targeted : B (m_B^0) Measurement : 12.80 mag = 3.23E-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: 225343.3 +360540 (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. 3 Reference Code : 1968CGCG6.C...0000Z Freq. targeted : m_p Measurement : 13.6 mag = 1.55E-28 W m^-2^ Hz^-1^ Uncertainty : 0.4 mag = 6.89E-29 Significance : rms noise Freq or Vel. : 4400 A (OBS )= 6.81E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 225342.0 +360500. (B1950) Spatial mode : Estimated by eye Notes : From new raw data Qualifiers :
No. 4 Reference Code : 2006AJ....131.1163S Freq. targeted : J (2MASS/FLWO) Measurement : 11.936 mag = 2.68E-28 W m^-2^ Hz^-1^ Uncertainty : 0.05 mag = 1.23E-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. 5 Reference Code : 2006AJ....131.1163S Freq. targeted : J (2MASS/FLWO) Measurement : 11.595 mag = 3.67E-28 W m^-2^ Hz^-1^ Uncertainty : 0.004 mag = 1.35E-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. 6 Reference Code : 20032MASX.C.......: Freq. targeted : J Measurement : 9.846 mag = 1.83E-27 W m^-2^ Hz^-1^ Uncertainty : 0.013 mag = 2.21E-29 Significance : 1 sigma uncert. Freq or Vel. : 1.25 microns (OBS )= 2.40E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 225602.85 +362140.9 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers :
No. 7 Reference Code : 20032MASX.C.......: Freq. targeted : J_14arcsec (2MASS) Measurement : 11.013 mag = 6.26E-28 W m^-2^ Hz^-1^ Uncertainty : 0.003 mag = 1.73E-30 Significance : 1 sigma uncert. Freq or Vel. : 1.25 microns (OBS )= 2.40E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 225602.85 +362140.9 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : 14.0 x 14.0 arcsec aperture.
No. 8 Reference Code : 20032MASX.C.......: Freq. targeted : J Measurement : 9.933 mag = 1.69E-27 W m^-2^ Hz^-1^ Uncertainty : 0.013 mag = 2.04E-29 Significance : 1 sigma uncert. Freq or Vel. : 1.25 microns (OBS )= 2.40E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 225602.85 +362140.9 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : 88.6 x 54.9 arcsec integration area.
No. 9 Reference Code : 20032MASX.C.......: Freq. targeted : H Measurement : 9.092 mag = 2.36E-27 W m^-2^ Hz^-1^ Uncertainty : 0.016 mag = 3.51E-29 Significance : 1 sigma uncert. Freq or Vel. : 1.65 microns (OBS )= 1.82E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 225602.85 +362140.9 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers :
No. 10 Reference Code : 20032MASX.C.......: Freq. targeted : H_14arcsec (2MASS) Measurement : 10.254 mag = 8.10E-28 W m^-2^ Hz^-1^ Uncertainty : 0.004 mag = 2.99E-30 Significance : 1 sigma uncert. Freq or Vel. : 1.65 microns (OBS )= 1.82E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 225602.85 +362140.9 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : 14.0 x 14.0 arcsec aperture.
No. 11 Reference Code : 20032MASX.C.......: Freq. targeted : H Measurement : 9.190 mag = 2.16E-27 W m^-2^ Hz^-1^ Uncertainty : 0.017 mag = 3.41E-29 Significance : 1 sigma uncert. Freq or Vel. : 1.65 microns (OBS )= 1.82E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 225602.85 +362140.9 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : 88.6 x 54.9 arcsec integration area.
No. 12 Reference Code : 2006AJ....131.1163S Freq. targeted : H (2MASS/FLWO) Measurement : 10.822 mag = 4.80E-28 W m^-2^ Hz^-1^ Uncertainty : 0.006 mag = 2.65E-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. 13 Reference Code : 2006AJ....131.1163S Freq. targeted : H (2MASS/FLWO) Measurement : 11.214 mag = 3.35E-28 W m^-2^ Hz^-1^ Uncertainty : 0.067 mag = 2.07E-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. 14 Reference Code : 2006AJ....131.1163S Freq. targeted : K_s (2MASS/FLWO) Measurement : 10.537 mag = 4.07E-28 W m^-2^ Hz^-1^ Uncertainty : 0.004 mag = 1.50E-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. 15 Reference Code : 2006AJ....131.1163S Freq. targeted : K_s (2MASS/FLWO) Measurement : 10.764 mag = 3.30E-28 W m^-2^ Hz^-1^ Uncertainty : 0.04 mag = 1.22E-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. 16 Reference Code : 20032MASX.C.......: Freq. targeted : K_s_14arcsec (2MASS) Measurement : 9.956 mag = 6.94E-28 W m^-2^ Hz^-1^ Uncertainty : 0.005 mag = 3.21E-30 Significance : 1 sigma uncert. Freq or Vel. : 2.17 microns (OBS )= 1.38E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 225602.85 +362140.9 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : 14.0 x 14.0 arcsec aperture.
No. 17 Reference Code : 20032MASX.C.......: Freq. targeted : K_s Measurement : 8.901 mag = 1.83E-27 W m^-2^ Hz^-1^ Uncertainty : 0.021 mag = 3.58E-29 Significance : 1 sigma uncert. Freq or Vel. : 2.17 microns (OBS )= 1.38E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 225602.85 +362140.9 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : 88.6 x 54.9 arcsec integration area.
No. 18 Reference Code : 20032MASX.C.......: Freq. targeted : K_s Measurement : 8.815 mag = 1.99E-27 W m^-2^ Hz^-1^ Uncertainty : 0.020 mag = 3.69E-29 Significance : 1 sigma uncert. Freq or Vel. : 2.17 microns (OBS )= 1.38E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 225602.85 +362140.9 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers :
No. 19 Reference Code : 1994PrivC.U..J....K Freq. targeted : 12 microns (IRAS) Measurement : <0.036 Jy < 3.60E-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: 225343. +360540 (B1950) Spatial mode : From fitting to map Notes : From reprocessed raw data Qualifiers :
No. 20 Reference Code : 1994PrivC.U..J....K Freq. targeted : 25 microns (IRAS) Measurement : <0.025 Jy < 2.50E-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: 225343. +360540 (B1950) Spatial mode : From fitting to map Notes : From reprocessed raw data Qualifiers :
No. 21 Reference Code : 1994PrivC.U..J....K Freq. targeted : 60 microns (IRAS) Measurement : 0.120 Jy = 1.20E-27 W m^-2^ Hz^-1^ Uncertainty : 0.051 Jy = 5.10E-28 Significance : 1 sigma Freq or Vel. : 60 microns (OBS )= 5.00E+12 Hz Frequency mode : Broad-band measurement Coord. targeted: 225343. +360540 (B1950) Spatial mode : From fitting to map Notes : From reprocessed raw data Qualifiers :
No. 22 Reference Code : 1994PrivC.U..J....K Freq. targeted : 100 microns (IRAS) Measurement : 1.000 Jy = 1.00E-26 W m^-2^ Hz^-1^ Uncertainty : 0.176 Jy = 1.76E-27 Significance : 1 sigma Freq or Vel. : 100 microns (OBS )= 3.00E+12 Hz Frequency mode : Broad-band measurement Coord. targeted: 225343. +360540 (B1950) Spatial mode : From fitting to map Notes : From reprocessed raw data Qualifiers :
No. 23 Reference Code : 1978ApJS...36...53D Freq. targeted : 2380 MHz Measurement : 4. milliJy = 4.00E-29 W m^-2^ Hz^-1^ Uncertainty : 3. milliJy = 3.00E-29 Significance : rms uncertainty Freq or Vel. : 2380 MHz (OBS )= 2.38E+09 Hz Frequency mode : Broad-band measurement; peak value reported Coord. targeted: Spatial mode : Peak flux Notes : From new raw data Qualifiers :
No. 24 Reference Code : 1998AJ....115.1693C Freq. targeted : 1.4GHz Measurement : 6.3 milliJy = 6.30E-29 W m^-2^ Hz^-1^ Uncertainty : 0.5 milliJy = 5.00E-30 Significance : uncertainty Freq or Vel. : 1.40 GHz (OBS )= 1.40E+09 Hz Frequency mode : Broad-band measurement Coord. targeted: 22 56 2.91 +36 21 40.1 (J2000) Spatial mode : Flux integrated from map Notes : From new raw data Qualifiers :
No. 25 Reference Code : 2011ApJ...731L..41B Freq. targeted : 1.4 GHz (VLA) Measurement : 6.0 milliJy = 6.00E-29 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: 22 56 02.849 +36 21 41.11 (J2000) Spatial mode : Flux integrated from map Notes : From reprocessed raw data Qualifiers :
No. 26 Reference Code : 2002AJ....124..675C Freq. targeted : 1.4 GHz (VLA) Measurement : 6.0 milliJy = 6.00E-29 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: Spatial mode : Flux integrated from map Notes : Averaged from previously published data Qualifiers :

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