NASA/IPAC EXTRAGALACTIC DATABASE
Date and Time of the Query: 2019-02-21 T07:54:43 PST
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Spectral Energy Distribution (SED) for NGC 4757:

19 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 21.2610 +/- 0.338173 mag 1.95E+15 1.14E-05 +/- 3.54E-06 Jy Broad-band Kron flux in elliptical aperture 2012GASC..C...0000S 1
2 FUV (GALEX) AB 24.7318 +/- 2.09005 mag 1.95E+15 4.65E-07 +/- 8.95E-07 Jy Broad-band Flux in 7.5 arcsec diameter aperture 2012GASC..C...0000S 2
3 NUV (GALEX) AB 19.7635 +/- 0.0890960 mag 1.29E+15 4.51E-05 +/- 3.70E-06 Jy Broad-band Kron flux in elliptical aperture 2012GASC..C...0000S 3
4 NUV (GALEX) AB 20.8747 +/- 0.112396 mag 1.29E+15 1.62E-05 +/- 1.68E-06 Jy Broad-band Flux in 7.5 arcsec diameter aperture 2012GASC..C...0000S 4
5 J (2MASS/CTIO) 12.383 +/- 0.006 mag 2.43E+14 1.78E-02 +/- 9.81E-05 Jy Broad-band 4" aperture 2006AJ....131.1163S 5
6 J (2MASS/CTIO) 13.238 +/- 0.105 mag 2.43E+14 8.08E-03 +/- 7.81E-04 Jy Broad-band Profile-fit; Poor quality 2006AJ....131.1163S 6
7 J_14arcsec (2MASS) 11.938 +/- 0.008 mag 2.40E+14 2.67E-02 +/- 1.98E-04 Jy Broad-band 14.0 x 14.0 arcsec aperture. 20032MASX.C.......: 7
8 J 11.395 +/- 0.021 mag 2.40E+14 4.41E-02 +/- 8.60E-04 Jy Broad-band 56.2 x 22.5 arcsec integration area. 20032MASX.C.......: 8
9 J 11.204 +/- 0.028 mag 2.40E+14 5.25E-02 +/- 1.37E-03 Jy Broad-band 20032MASX.C.......: 9
10 H_14arcsec (2MASS) 11.247 +/- 0.009 mag 1.82E+14 3.25E-02 +/- 2.70E-04 Jy Broad-band 14.0 x 14.0 arcsec aperture. 20032MASX.C.......: 10
11 H 10.700 +/- 0.028 mag 1.82E+14 5.37E-02 +/- 1.40E-03 Jy Broad-band 56.2 x 22.5 arcsec integration area. 20032MASX.C.......: 11
12 H 10.460 +/- 0.027 mag 1.82E+14 6.70E-02 +/- 1.69E-03 Jy Broad-band 20032MASX.C.......: 12
13 H (2MASS/CTIO) 12.462 +/- 0.122 mag 1.80E+14 1.06E-02 +/- 1.19E-03 Jy Broad-band Profile-fit; Poor quality 2006AJ....131.1163S 13
14 H (2MASS/CTIO) 11.68 +/- 0.01 mag 1.80E+14 2.18E-02 +/- 2.01E-04 Jy Broad-band 4" aperture 2006AJ....131.1163S 14
15 K_s (2MASS/CTIO) 12.141 +/- 0.097 mag 1.39E+14 9.28E-03 +/- 8.29E-04 Jy Broad-band Profile-fit; Poor quality 2006AJ....131.1163S 15
16 K_s (2MASS/CTIO) 11.436 +/- 0.013 mag 1.39E+14 1.78E-02 +/- 2.13E-04 Jy Broad-band 4" aperture 2006AJ....131.1163S 16
17 K_s_14arcsec (2MASS) 10.976 +/- 0.015 mag 1.38E+14 2.71E-02 +/- 3.78E-04 Jy Broad-band 14.0 x 14.0 arcsec aperture. 20032MASX.C.......: 17
18 K_s 10.319 +/- 0.046 mag 1.38E+14 4.97E-02 +/- 2.15E-03 Jy Broad-band 20032MASX.C.......: 18
19 K_s 10.424 +/- 0.046 mag 1.38E+14 4.51E-02 +/- 1.95E-03 Jy Broad-band 56.2 x 22.5 arcsec integration area. 20032MASX.C.......: 19


Detailed Information for Each Entry

 No. 1
Reference Code : 2012GASC..C...0000S
Freq. targeted : FUV (GALEX) AB      
Measurement    :  21.2610     mag                  = 1.14E-31 W m^-2^ Hz^-1^
Uncertainty    :  0.338173    mag                  = 3.54E-32
Significance   : uncertainty
Freq or Vel.   : 1538.6       A            (OBS   )= 1.95E+15 Hz
Frequency mode : Broad-band measurement
Coord. targeted: 193.20924343987 -10.31010040168 (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 : 24.7318 mag = 4.65E-33 W m^-2^ Hz^-1^ Uncertainty : 2.09005 mag = 8.95E-33 Significance : uncertainty Freq or Vel. : 1538.6 A (OBS )= 1.95E+15 Hz Frequency mode : Broad-band measurement Coord. targeted: 193.20924343987 -10.31010040168 (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 : 19.7635 mag = 4.51E-31 W m^-2^ Hz^-1^ Uncertainty : 0.0890960 mag = 3.70E-32 Significance : uncertainty Freq or Vel. : 2315.7 A (OBS )= 1.29E+15 Hz Frequency mode : Broad-band measurement Coord. targeted: 193.20924343987 -10.31010040168 (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 : 20.8747 mag = 1.62E-31 W m^-2^ Hz^-1^ Uncertainty : 0.112396 mag = 1.68E-32 Significance : uncertainty Freq or Vel. : 2315.7 A (OBS )= 1.29E+15 Hz Frequency mode : Broad-band measurement Coord. targeted: 193.20924343987 -10.31010040168 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : Flux in 7.5 arcsec diameter aperture
No. 5 Reference Code : 2006AJ....131.1163S Freq. targeted : J (2MASS/CTIO) Measurement : 12.383 mag = 1.78E-28 W m^-2^ Hz^-1^ Uncertainty : 0.006 mag = 9.81E-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. 6 Reference Code : 2006AJ....131.1163S Freq. targeted : J (2MASS/CTIO) Measurement : 13.238 mag = 8.08E-29 W m^-2^ Hz^-1^ Uncertainty : 0.105 mag = 7.81E-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. 7 Reference Code : 20032MASX.C.......: Freq. targeted : J_14arcsec (2MASS) Measurement : 11.938 mag = 2.67E-28 W m^-2^ Hz^-1^ Uncertainty : 0.008 mag = 1.98E-30 Significance : 1 sigma uncert. Freq or Vel. : 1.25 microns (OBS )= 2.40E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 125250.12 -101836.2 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data; Corrected for contaminating sources Qualifiers : 14.0 x 14.0 arcsec aperture.
No. 8 Reference Code : 20032MASX.C.......: Freq. targeted : J Measurement : 11.395 mag = 4.41E-28 W m^-2^ Hz^-1^ Uncertainty : 0.021 mag = 8.60E-30 Significance : 1 sigma uncert. Freq or Vel. : 1.25 microns (OBS )= 2.40E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 125250.12 -101836.2 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data; Corrected for contaminating sources Qualifiers : 56.2 x 22.5 arcsec integration area.
No. 9 Reference Code : 20032MASX.C.......: Freq. targeted : J Measurement : 11.204 mag = 5.25E-28 W m^-2^ Hz^-1^ Uncertainty : 0.028 mag = 1.37E-29 Significance : 1 sigma uncert. Freq or Vel. : 1.25 microns (OBS )= 2.40E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 125250.12 -101836.2 (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 : 11.247 mag = 3.25E-28 W m^-2^ Hz^-1^ Uncertainty : 0.009 mag = 2.70E-30 Significance : 1 sigma uncert. Freq or Vel. : 1.65 microns (OBS )= 1.82E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 125250.12 -101836.2 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data; Corrected for contaminating sources Qualifiers : 14.0 x 14.0 arcsec aperture.
No. 11 Reference Code : 20032MASX.C.......: Freq. targeted : H Measurement : 10.700 mag = 5.37E-28 W m^-2^ Hz^-1^ Uncertainty : 0.028 mag = 1.40E-29 Significance : 1 sigma uncert. Freq or Vel. : 1.65 microns (OBS )= 1.82E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 125250.12 -101836.2 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data; Corrected for contaminating sources Qualifiers : 56.2 x 22.5 arcsec integration area.
No. 12 Reference Code : 20032MASX.C.......: Freq. targeted : H Measurement : 10.460 mag = 6.70E-28 W m^-2^ Hz^-1^ Uncertainty : 0.027 mag = 1.69E-29 Significance : 1 sigma uncert. Freq or Vel. : 1.65 microns (OBS )= 1.82E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 125250.12 -101836.2 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers :
No. 13 Reference Code : 2006AJ....131.1163S Freq. targeted : H (2MASS/CTIO) Measurement : 12.462 mag = 1.06E-28 W m^-2^ Hz^-1^ Uncertainty : 0.122 mag = 1.19E-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 : H (2MASS/CTIO) Measurement : 11.68 mag = 2.18E-28 W m^-2^ Hz^-1^ Uncertainty : 0.01 mag = 2.01E-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. 15 Reference Code : 2006AJ....131.1163S Freq. targeted : K_s (2MASS/CTIO) Measurement : 12.141 mag = 9.28E-29 W m^-2^ Hz^-1^ Uncertainty : 0.097 mag = 8.29E-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. 16 Reference Code : 2006AJ....131.1163S Freq. targeted : K_s (2MASS/CTIO) Measurement : 11.436 mag = 1.78E-28 W m^-2^ Hz^-1^ Uncertainty : 0.013 mag = 2.13E-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. 17 Reference Code : 20032MASX.C.......: Freq. targeted : K_s_14arcsec (2MASS) Measurement : 10.976 mag = 2.71E-28 W m^-2^ Hz^-1^ Uncertainty : 0.015 mag = 3.78E-30 Significance : 1 sigma uncert. Freq or Vel. : 2.17 microns (OBS )= 1.38E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 125250.12 -101836.2 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data; Corrected for contaminating sources Qualifiers : 14.0 x 14.0 arcsec aperture.
No. 18 Reference Code : 20032MASX.C.......: Freq. targeted : K_s Measurement : 10.319 mag = 4.97E-28 W m^-2^ Hz^-1^ Uncertainty : 0.046 mag = 2.15E-29 Significance : 1 sigma uncert. Freq or Vel. : 2.17 microns (OBS )= 1.38E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 125250.12 -101836.2 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers :
No. 19 Reference Code : 20032MASX.C.......: Freq. targeted : K_s Measurement : 10.424 mag = 4.51E-28 W m^-2^ Hz^-1^ Uncertainty : 0.046 mag = 1.95E-29 Significance : 1 sigma uncert. Freq or Vel. : 2.17 microns (OBS )= 1.38E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 125250.12 -101836.2 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data; Corrected for contaminating sources Qualifiers : 56.2 x 22.5 arcsec integration area.

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