NASA/IPAC EXTRAGALACTIC DATABASE
Date and Time of the Query: 2019-04-23 T12:32:44 PDT
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Spectral Energy Distribution (SED) for NGC 7435:

10 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) 15.14 +/- 0.22 mag 6.81E+14 3.75E-03 +/- 8.41E-04 Jy Broad-band 1991RC3.9.C...0000d 1
2 B (m_B^0) 14.58 ... mag 6.81E+14 6.27E-03 ... Jy Broad-band 1991RC3.9.C...0000d 2
3 m_p 15.5 +/- 0.4 mag 6.81E+14 2.69E-03 +/- 1.20E-03 Jy Broad-band 1968CGCG6.C...0000Z 3
4 J (2MASS/FLWO) 13.212 +/- 0.009 mag 2.43E+14 8.27E-03 +/- 6.86E-05 Jy Broad-band 4" aperture 2006AJ....131.1163S 4
5 J (2MASS/FLWO) 13.806 +/- 0.068 mag 2.43E+14 4.79E-03 +/- 3.00E-04 Jy Broad-band Profile-fit; Poor quality 2006AJ....131.1163S 5
6 H (2MASS/FLWO) 12.446 +/- 0.024 mag 1.80E+14 1.08E-02 +/- 2.38E-04 Jy Broad-band 4" aperture 2006AJ....131.1163S 6
7 H (2MASS/FLWO) 13.123 +/- 0.095 mag 1.80E+14 5.77E-03 +/- 5.05E-04 Jy Broad-band Profile-fit; Poor quality 2006AJ....131.1163S 7
8 K_s (2MASS/FLWO) 12.153 +/- 0.009 mag 1.39E+14 9.18E-03 +/- 7.61E-05 Jy Broad-band 4" aperture 2006AJ....131.1163S 8
9 K_s (2MASS/FLWO) 12.785 +/- 0.076 mag 1.39E+14 5.13E-03 +/- 3.59E-04 Jy Broad-band Profile-fit 2006AJ....131.1163S 9
10 HI (21 cm line) 1.11 +/- 0.26 Jy km s^-1^ 1.42E+09 5.12E+03 +/- 1.20E+03 Jy-Hz Line 1989H&RHI.C...0000H 10


Detailed Information for Each Entry

 No. 1
Reference Code : 1991RC3.9.C...0000d
Freq. targeted : B (m_B)             
Measurement    :  15.14       mag                  = 3.75E-29 W m^-2^ Hz^-1^
Uncertainty    :  0.22        mag                  = 8.41E-30
Significance   : rms uncertainty
Freq or Vel.   : 4400         A            (OBS   )= 6.81E+14 Hz
Frequency mode : Broad-band measurement
Coord. targeted: 2255.4          +2552 (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 : 14.58 mag = 6.27E-29 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: 2255.4 +2552 (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 : 15.5 mag = 2.69E-29 W m^-2^ Hz^-1^ Uncertainty : 0.4 mag = 1.20E-29 Significance : rms noise Freq or Vel. : 4400 A (OBS )= 6.81E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 225530.0 +255200. (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 : 13.212 mag = 8.27E-29 W m^-2^ Hz^-1^ Uncertainty : 0.009 mag = 6.86E-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. 5 Reference Code : 2006AJ....131.1163S Freq. targeted : J (2MASS/FLWO) Measurement : 13.806 mag = 4.79E-29 W m^-2^ Hz^-1^ Uncertainty : 0.068 mag = 3.00E-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; Poor quality
No. 6 Reference Code : 2006AJ....131.1163S Freq. targeted : H (2MASS/FLWO) Measurement : 12.446 mag = 1.08E-28 W m^-2^ Hz^-1^ Uncertainty : 0.024 mag = 2.38E-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. 7 Reference Code : 2006AJ....131.1163S Freq. targeted : H (2MASS/FLWO) Measurement : 13.123 mag = 5.77E-29 W m^-2^ Hz^-1^ Uncertainty : 0.095 mag = 5.05E-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; Poor quality
No. 8 Reference Code : 2006AJ....131.1163S Freq. targeted : K_s (2MASS/FLWO) Measurement : 12.153 mag = 9.18E-29 W m^-2^ Hz^-1^ Uncertainty : 0.009 mag = 7.61E-31 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. 9 Reference Code : 2006AJ....131.1163S Freq. targeted : K_s (2MASS/FLWO) Measurement : 12.785 mag = 5.13E-29 W m^-2^ Hz^-1^ Uncertainty : 0.076 mag = 3.59E-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. 10 Reference Code : 1989H&RHI.C...0000H Freq. targeted : HI (21 cm line) Measurement : 1.11 Jy km s^-1^ = 5.12E-23 W m^-2^ Uncertainty : 0.26 Jy km s^-1^ = 1.20E-23 Significance : no uncertainty reported Freq or Vel. : 21 cm (REST )= 1.42E+09 Hz Frequency mode : Line measurement; flux integrated over line; lines measured in emission Coord. targeted: 225529.5 +255157. (B1950) Spatial mode : Not reported in paper Notes : Transformed from previously published data Qualifiers :

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