NASA/IPAC EXTRAGALACTIC DATABASE
Date and Time of the Query: 2019-06-16 T04:16:15 PDT
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Spectral Energy Distribution (SED) for NGC 2431:

22 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 18.4165 +/- 0.123014 mag 1.95E+15 1.56E-04 +/- 1.77E-05 Jy Broad-band Kron flux in elliptical aperture 2012GASC..C...0000S 1
2 FUV (GALEX) AB 21.9094 +/- 0.729836 mag 1.95E+15 6.26E-06 +/- 4.20E-06 Jy Broad-band Flux in 7.5 arcsec diameter aperture 2012GASC..C...0000S 2
3 NUV (GALEX) AB 18.2087 +/- 0.0783466 mag 1.29E+15 1.89E-04 +/- 1.36E-05 Jy Broad-band Kron flux in elliptical aperture 2012GASC..C...0000S 3
4 NUV (GALEX) AB 21.3593 +/- 0.306537 mag 1.29E+15 1.04E-05 +/- 2.93E-06 Jy Broad-band Flux in 7.5 arcsec diameter aperture 2012GASC..C...0000S 4
5 m_p 14.3 +/- 0.4 mag 6.81E+14 8.12E-03 +/- 3.62E-03 Jy Broad-band 1966CGCG3.C...0000Z 5
6 B (m_B) 14.26 +/- 0.18 mag 6.81E+14 8.42E-03 +/- 1.52E-03 Jy Broad-band 1991RC3.9.C...0000d 6
7 B (m_B^0) 13.94 ... mag 6.81E+14 1.13E-02 ... Jy Broad-band 1991RC3.9.C...0000d 7
8 J (2MASS/FLWO) 12.526 +/- 0.009 mag 2.43E+14 1.56E-02 +/- 1.29E-04 Jy Broad-band 4" aperture 2006AJ....131.1163S 8
9 J (2MASS/FLWO) 12.595 +/- 0.032 mag 2.43E+14 1.46E-02 +/- 4.30E-04 Jy Broad-band Profile-fit; Poor quality 2006AJ....131.1163S 9
10 J_14arcsec (2MASS) 12.110 +/- 0.007 mag 2.40E+14 2.28E-02 +/- 1.47E-04 Jy Broad-band 14.0 x 14.0 arcsec aperture. 20032MASX.C.......: 10
11 J 11.485 +/- 0.021 mag 2.40E+14 4.05E-02 +/- 7.92E-04 Jy Broad-band 44.6 x 39.2 arcsec integration area. 20032MASX.C.......: 11
12 J 11.236 +/- 0.029 mag 2.40E+14 5.10E-02 +/- 1.38E-03 Jy Broad-band 20032MASX.C.......: 12
13 H_14arcsec (2MASS) 11.391 +/- 0.009 mag 1.82E+14 2.84E-02 +/- 2.37E-04 Jy Broad-band 14.0 x 14.0 arcsec aperture. 20032MASX.C.......: 13
14 H 10.788 +/- 0.032 mag 1.82E+14 4.96E-02 +/- 1.48E-03 Jy Broad-band 44.6 x 39.2 arcsec integration area. 20032MASX.C.......: 14
15 H 10.558 +/- 0.033 mag 1.82E+14 6.12E-02 +/- 1.89E-03 Jy Broad-band 20032MASX.C.......: 15
16 H (2MASS/FLWO) 11.832 +/- 0.032 mag 1.80E+14 1.89E-02 +/- 5.58E-04 Jy Broad-band Profile-fit; Poor quality 2006AJ....131.1163S 16
17 H (2MASS/FLWO) 11.778 +/- 0.013 mag 1.80E+14 1.99E-02 +/- 2.38E-04 Jy Broad-band 4" aperture 2006AJ....131.1163S 17
18 K_s (2MASS/FLWO) 11.488 +/- 0.007 mag 1.39E+14 1.69E-02 +/- 1.09E-04 Jy Broad-band 4" aperture 2006AJ....131.1163S 18
19 K_s (2MASS/FLWO) 11.571 +/- 0.031 mag 1.39E+14 1.57E-02 +/- 4.48E-04 Jy Broad-band Profile-fit; Poor quality 2006AJ....131.1163S 19
20 K_s 10.465 +/- 0.038 mag 1.38E+14 4.35E-02 +/- 1.55E-03 Jy Broad-band 44.6 x 39.2 arcsec integration area. 20032MASX.C.......: 20
21 K_s 10.241 +/- 0.037 mag 1.38E+14 5.34E-02 +/- 1.85E-03 Jy Broad-band 20032MASX.C.......: 21
22 K_s_14arcsec (2MASS) 11.081 +/- 0.011 mag 1.38E+14 2.46E-02 +/- 2.51E-04 Jy Broad-band 14.0 x 14.0 arcsec aperture. 20032MASX.C.......: 22


Detailed Information for Each Entry

 No. 1
Reference Code : 2012GASC..C...0000S
Freq. targeted : FUV (GALEX) AB      
Measurement    :  18.4165     mag                  = 1.56E-30 W m^-2^ Hz^-1^
Uncertainty    :  0.123014    mag                  = 1.77E-31
Significance   : uncertainty
Freq or Vel.   : 1538.6       A            (OBS   )= 1.95E+15 Hz
Frequency mode : Broad-band measurement
Coord. targeted: 116.30602739289 53.075107184119 (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 : 21.9094 mag = 6.26E-32 W m^-2^ Hz^-1^ Uncertainty : 0.729836 mag = 4.20E-32 Significance : uncertainty Freq or Vel. : 1538.6 A (OBS )= 1.95E+15 Hz Frequency mode : Broad-band measurement Coord. targeted: 116.30602739289 53.075107184119 (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 : 18.2087 mag = 1.89E-30 W m^-2^ Hz^-1^ Uncertainty : 0.0783466 mag = 1.36E-31 Significance : uncertainty Freq or Vel. : 2315.7 A (OBS )= 1.29E+15 Hz Frequency mode : Broad-band measurement Coord. targeted: 116.30602739289 53.075107184119 (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 : 21.3593 mag = 1.04E-31 W m^-2^ Hz^-1^ Uncertainty : 0.306537 mag = 2.93E-32 Significance : uncertainty Freq or Vel. : 2315.7 A (OBS )= 1.29E+15 Hz Frequency mode : Broad-band measurement Coord. targeted: 116.30602739289 53.075107184119 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : Flux in 7.5 arcsec diameter aperture
No. 5 Reference Code : 1966CGCG3.C...0000Z Freq. targeted : m_p Measurement : 14.3 mag = 8.12E-29 W m^-2^ Hz^-1^ Uncertainty : 0.4 mag = 3.62E-29 Significance : rms noise Freq or Vel. : 4400 A (OBS )= 6.81E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 074124.0 +531200. (B1950) Spatial mode : Estimated by eye Notes : From new raw data Qualifiers :
No. 6 Reference Code : 1991RC3.9.C...0000d Freq. targeted : B (m_B) Measurement : 14.26 mag = 8.42E-29 W m^-2^ Hz^-1^ Uncertainty : 0.18 mag = 1.52E-29 Significance : rms uncertainty Freq or Vel. : 4400 A (OBS )= 6.81E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 074119.9 +531145 (B1950) Spatial mode : Multiple methods 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 (m_B^0) Measurement : 13.94 mag = 1.13E-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: 074119.9 +531145 (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 : 2006AJ....131.1163S Freq. targeted : J (2MASS/FLWO) Measurement : 12.526 mag = 1.56E-28 W m^-2^ Hz^-1^ Uncertainty : 0.009 mag = 1.29E-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. 9 Reference Code : 2006AJ....131.1163S Freq. targeted : J (2MASS/FLWO) Measurement : 12.595 mag = 1.46E-28 W m^-2^ Hz^-1^ Uncertainty : 0.032 mag = 4.30E-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. 10 Reference Code : 20032MASX.C.......: Freq. targeted : J_14arcsec (2MASS) Measurement : 12.110 mag = 2.28E-28 W m^-2^ Hz^-1^ Uncertainty : 0.007 mag = 1.47E-30 Significance : 1 sigma uncert. Freq or Vel. : 1.25 microns (OBS )= 2.40E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 074513.47 +530430.9 (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 : J Measurement : 11.485 mag = 4.05E-28 W m^-2^ Hz^-1^ Uncertainty : 0.021 mag = 7.92E-30 Significance : 1 sigma uncert. Freq or Vel. : 1.25 microns (OBS )= 2.40E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 074513.47 +530430.9 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : 44.6 x 39.2 arcsec integration area.
No. 12 Reference Code : 20032MASX.C.......: Freq. targeted : J Measurement : 11.236 mag = 5.10E-28 W m^-2^ Hz^-1^ Uncertainty : 0.029 mag = 1.38E-29 Significance : 1 sigma uncert. Freq or Vel. : 1.25 microns (OBS )= 2.40E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 074513.47 +530430.9 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers :
No. 13 Reference Code : 20032MASX.C.......: Freq. targeted : H_14arcsec (2MASS) Measurement : 11.391 mag = 2.84E-28 W m^-2^ Hz^-1^ Uncertainty : 0.009 mag = 2.37E-30 Significance : 1 sigma uncert. Freq or Vel. : 1.65 microns (OBS )= 1.82E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 074513.47 +530430.9 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : 14.0 x 14.0 arcsec aperture.
No. 14 Reference Code : 20032MASX.C.......: Freq. targeted : H Measurement : 10.788 mag = 4.96E-28 W m^-2^ Hz^-1^ Uncertainty : 0.032 mag = 1.48E-29 Significance : 1 sigma uncert. Freq or Vel. : 1.65 microns (OBS )= 1.82E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 074513.47 +530430.9 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : 44.6 x 39.2 arcsec integration area.
No. 15 Reference Code : 20032MASX.C.......: Freq. targeted : H Measurement : 10.558 mag = 6.12E-28 W m^-2^ Hz^-1^ Uncertainty : 0.033 mag = 1.89E-29 Significance : 1 sigma uncert. Freq or Vel. : 1.65 microns (OBS )= 1.82E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 074513.47 +530430.9 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers :
No. 16 Reference Code : 2006AJ....131.1163S Freq. targeted : H (2MASS/FLWO) Measurement : 11.832 mag = 1.89E-28 W m^-2^ Hz^-1^ Uncertainty : 0.032 mag = 5.58E-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. 17 Reference Code : 2006AJ....131.1163S Freq. targeted : H (2MASS/FLWO) Measurement : 11.778 mag = 1.99E-28 W m^-2^ Hz^-1^ Uncertainty : 0.013 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. 18 Reference Code : 2006AJ....131.1163S Freq. targeted : K_s (2MASS/FLWO) Measurement : 11.488 mag = 1.69E-28 W m^-2^ Hz^-1^ Uncertainty : 0.007 mag = 1.09E-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. 19 Reference Code : 2006AJ....131.1163S Freq. targeted : K_s (2MASS/FLWO) Measurement : 11.571 mag = 1.57E-28 W m^-2^ Hz^-1^ Uncertainty : 0.031 mag = 4.48E-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; Poor quality
No. 20 Reference Code : 20032MASX.C.......: Freq. targeted : K_s Measurement : 10.465 mag = 4.35E-28 W m^-2^ Hz^-1^ Uncertainty : 0.038 mag = 1.55E-29 Significance : 1 sigma uncert. Freq or Vel. : 2.17 microns (OBS )= 1.38E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 074513.47 +530430.9 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : 44.6 x 39.2 arcsec integration area.
No. 21 Reference Code : 20032MASX.C.......: Freq. targeted : K_s Measurement : 10.241 mag = 5.34E-28 W m^-2^ Hz^-1^ Uncertainty : 0.037 mag = 1.85E-29 Significance : 1 sigma uncert. Freq or Vel. : 2.17 microns (OBS )= 1.38E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 074513.47 +530430.9 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers :
No. 22 Reference Code : 20032MASX.C.......: Freq. targeted : K_s_14arcsec (2MASS) Measurement : 11.081 mag = 2.46E-28 W m^-2^ Hz^-1^ Uncertainty : 0.011 mag = 2.51E-30 Significance : 1 sigma uncert. Freq or Vel. : 2.17 microns (OBS )= 1.38E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 074513.47 +530430.9 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : 14.0 x 14.0 arcsec aperture.

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