NASA/IPAC EXTRAGALACTIC DATABASE
Date and Time of the Query: 2018-12-15 T01:58:47 PST
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Spectral Energy Distribution (SED) for NGC 1803:

27 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 15.5719 +/- 0.0159639 mag 1.95E+15 2.14E-03 +/- 3.15E-05 Jy Broad-band Kron flux in elliptical aperture 2012GASC..C...0000S 1
2 FUV (GALEX) AB 18.6239 +/- 0.0799721 mag 1.95E+15 1.29E-04 +/- 9.50E-06 Jy Broad-band Flux in 7.5 arcsec diameter aperture 2012GASC..C...0000S 2
3 NUV (GALEX) AB 15.0119 +/- 0.00665805 mag 1.29E+15 3.59E-03 +/- 2.20E-05 Jy Broad-band Kron flux in elliptical aperture 2012GASC..C...0000S 3
4 NUV (GALEX) AB 17.9945 +/- 0.0322536 mag 1.29E+15 2.30E-04 +/- 6.84E-06 Jy Broad-band Flux in 7.5 arcsec diameter aperture 2012GASC..C...0000S 4
5 B (B_T) 13.38 +/- 0.13 mag 6.81E+14 1.89E-02 +/- 2.41E-03 Jy Broad-band 1991RC3.9.C...0000d 5
6 B (m_B) 13.49 +/- 0.21 mag 6.81E+14 1.71E-02 +/- 3.65E-03 Jy Broad-band 1991RC3.9.C...0000d 6
7 B (B_T^0) 13.10 ... mag 6.81E+14 2.45E-02 ... Jy Broad-band 1991RC3.9.C...0000d 7
8 B (Cousins) (B_T) 13.51 +/- 0.09 mag 6.81E+14 1.68E-02 +/- 1.45E-03 Jy Broad-band 1989ESOLV.C...0000L 8
9 B (Cousins) (B_25) 13.52 +/- 0.09 mag 6.81E+14 1.66E-02 +/- 1.43E-03 Jy Broad-band 1989ESOLV.C...0000L 9
10 B (Cousins) (B_26) 13.51 +/- 0.09 mag 6.81E+14 1.67E-02 +/- 1.45E-03 Jy Broad-band 1989ESOLV.C...0000L 10
11 V (V_T^0) 12.67 ... mag 5.42E+14 3.11E-02 ... Jy Broad-band 1991RC3.9.C...0000d 11
12 V (V_T) 12.85 +/- 0.13 mag 5.42E+14 2.64E-02 +/- 3.37E-03 Jy Broad-band 1991RC3.9.C...0000d 12
13 R (Cousins) (R_T) 12.54 +/- 0.09 mag 4.68E+14 2.96E-02 +/- 2.55E-03 Jy Broad-band 1989ESOLV.C...0000L 13
14 R (Cousins) (R_25) 12.56 +/- 0.09 mag 4.68E+14 2.92E-02 +/- 2.53E-03 Jy Broad-band 1989ESOLV.C...0000L 14
15 R (Cousins) (R_26) 12.55 +/- 0.09 mag 4.68E+14 2.95E-02 +/- 2.55E-03 Jy Broad-band 1989ESOLV.C...0000L 15
16 J (2MASS/CTIO) 13.856 +/- 0.131 mag 2.43E+14 4.57E-03 +/- 5.52E-04 Jy Broad-band Profile-fit; Poor quality 2006AJ....131.1163S 16
17 J (2MASS/CTIO) 12.878 +/- 0.017 mag 2.43E+14 1.13E-02 +/- 1.76E-04 Jy Broad-band 4" aperture 2006AJ....131.1163S 17
18 H (2MASS/CTIO) 13.077 +/- 0.134 mag 1.80E+14 6.02E-03 +/- 7.43E-04 Jy Broad-band Profile-fit; Poor quality 2006AJ....131.1163S 18
19 H (2MASS/CTIO) 12.11 +/- 0.011 mag 1.80E+14 1.47E-02 +/- 1.49E-04 Jy Broad-band 4" aperture 2006AJ....131.1163S 19
20 K_s (2MASS/CTIO) 12.695 +/- 0.114 mag 1.39E+14 5.57E-03 +/- 5.85E-04 Jy Broad-band Profile-fit; Poor quality 2006AJ....131.1163S 20
21 K_s (2MASS/CTIO) 11.839 +/- 0.014 mag 1.39E+14 1.23E-02 +/- 1.58E-04 Jy Broad-band 4" aperture 2006AJ....131.1163S 21
22 12 microns (IRAS) ... <2.488E-01 Jy 2.50E+13 < 2.49E-01 Jy Broad-band 1990IRASF.C...0000M 22
23 25 microns (IRAS) 2.875E-01 +/- 9 % Jy 1.20E+13 2.88E-01 +/- 2.24E-02 Jy Broad-band IRAS quality flag = 3 1990IRASF.C...0000M 23
24 60 microns (IRAS) 3.069E+00 +/- 6 % Jy 5.00E+12 3.07E+00 +/- 1.84E-01 Jy Broad-band IRAS quality flag = 3 1990IRASF.C...0000M 24
25 100 microns (IRAS) 7.875E+00 +/- 7 % Jy 3.00E+12 7.88E+00 +/- 5.51E-01 Jy Broad-band IRAS quality flag = 2 1990IRASF.C...0000M 25
26 170 microns (ISO) 7.01 +/- 30 % Jy 1.76E+12 7.01E+00 +/- 2.10E+00 Jy Broad-band 2004A&A...422...39S 26
27 843 MHz (SUMSS) 46.5 +/- 2 milliJy 8.43E+08 4.65E-02 +/- 2.00E-03 Jy Broad-band 2008SUMSS.2.1.....: 27


Detailed Information for Each Entry

 No. 1
Reference Code : 2012GASC..C...0000S
Freq. targeted : FUV (GALEX) AB      
Measurement    :  15.5719     mag                  = 2.14E-29 W m^-2^ Hz^-1^
Uncertainty    :  0.0159639   mag                  = 3.15E-31
Significance   : uncertainty
Freq or Vel.   : 1538.6       A            (OBS   )= 1.95E+15 Hz
Frequency mode : Broad-band measurement
Coord. targeted: 76.360313449422 -49.56799139178 (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 : 18.6239 mag = 1.29E-30 W m^-2^ Hz^-1^ Uncertainty : 0.0799721 mag = 9.50E-32 Significance : uncertainty Freq or Vel. : 1538.6 A (OBS )= 1.95E+15 Hz Frequency mode : Broad-band measurement Coord. targeted: 76.360313449422 -49.56799139178 (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 : 15.0119 mag = 3.59E-29 W m^-2^ Hz^-1^ Uncertainty : 0.00665805 mag = 2.20E-31 Significance : uncertainty Freq or Vel. : 2315.7 A (OBS )= 1.29E+15 Hz Frequency mode : Broad-band measurement Coord. targeted: 76.360313449422 -49.56799139178 (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 : 17.9945 mag = 2.30E-30 W m^-2^ Hz^-1^ Uncertainty : 0.0322536 mag = 6.84E-32 Significance : uncertainty Freq or Vel. : 2315.7 A (OBS )= 1.29E+15 Hz Frequency mode : Broad-band measurement Coord. targeted: 76.360313449422 -49.56799139178 (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 : B (B_T) Measurement : 13.38 mag = 1.89E-28 W m^-2^ Hz^-1^ Uncertainty : 0.13 mag = 2.41E-29 Significance : rms uncertainty Freq or Vel. : 4400 A (OBS )= 6.81E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 050409.0 -493800 (B1950) Spatial mode : From multi-aperture data Notes : Homogenized from new and previously published data; Standard Johnson UBVRI filters assumed Qualifiers :
No. 6 Reference Code : 1991RC3.9.C...0000d Freq. targeted : B (m_B) Measurement : 13.49 mag = 1.71E-28 W m^-2^ Hz^-1^ Uncertainty : 0.21 mag = 3.65E-29 Significance : rms uncertainty Freq or Vel. : 4400 A (OBS )= 6.81E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 050409.0 -493800 (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 (B_T^0) Measurement : 13.10 mag = 2.45E-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: 050409.0 -493800 (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 : 1989ESOLV.C...0000L Freq. targeted : B (Cousins) (B_T) Measurement : 13.51 mag = 1.68E-28 W m^-2^ Hz^-1^ Uncertainty : 0.09 mag = 1.45E-29 Significance : typical accuracy Freq or Vel. : 4400 A (OBS )= 6.81E+14 Hz Frequency mode : Broad-band measurement; photometric system transformed Coord. targeted: 050409 -4938.0 (B1950) Spatial mode : Modelled datum Notes : From new raw data Qualifiers :
No. 9 Reference Code : 1989ESOLV.C...0000L Freq. targeted : B (Cousins) (B_25) Measurement : 13.52 mag = 1.66E-28 W m^-2^ Hz^-1^ Uncertainty : 0.09 mag = 1.43E-29 Significance : typical accuracy Freq or Vel. : 4400 A (OBS )= 6.81E+14 Hz Frequency mode : Broad-band measurement; photometric system transformed Coord. targeted: 050409 -4938.0 (B1950) Spatial mode : Modelled datum Notes : From new raw data Qualifiers :
No. 10 Reference Code : 1989ESOLV.C...0000L Freq. targeted : B (Cousins) (B_26) Measurement : 13.51 mag = 1.67E-28 W m^-2^ Hz^-1^ Uncertainty : 0.09 mag = 1.45E-29 Significance : typical accuracy Freq or Vel. : 4400 A (OBS )= 6.81E+14 Hz Frequency mode : Broad-band measurement; photometric system transformed Coord. targeted: 050409 -4938.0 (B1950) Spatial mode : Modelled datum Notes : From new raw data Qualifiers :
No. 11 Reference Code : 1991RC3.9.C...0000d Freq. targeted : V (V_T^0) Measurement : 12.67 mag = 3.11E-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: 050409.0 -493800 (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 : 12.85 mag = 2.64E-28 W m^-2^ Hz^-1^ Uncertainty : 0.13 mag = 3.37E-29 Significance : rms uncertainty Freq or Vel. : 5530 A (OBS )= 5.42E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 050409.0 -493800 (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 : 1989ESOLV.C...0000L Freq. targeted : R (Cousins) (R_T) Measurement : 12.54 mag = 2.96E-28 W m^-2^ Hz^-1^ Uncertainty : 0.09 mag = 2.55E-29 Significance : typical accuracy Freq or Vel. : 6400 A (OBS )= 4.68E+14 Hz Frequency mode : Broad-band measurement; photometric system transformed Coord. targeted: 050409 -4938.0 (B1950) Spatial mode : Modelled datum Notes : From new raw data Qualifiers :
No. 14 Reference Code : 1989ESOLV.C...0000L Freq. targeted : R (Cousins) (R_25) Measurement : 12.56 mag = 2.92E-28 W m^-2^ Hz^-1^ Uncertainty : 0.09 mag = 2.53E-29 Significance : typical accuracy Freq or Vel. : 6400 A (OBS )= 4.68E+14 Hz Frequency mode : Broad-band measurement; photometric system transformed Coord. targeted: 050409 -4938.0 (B1950) Spatial mode : Modelled datum Notes : From new raw data Qualifiers :
No. 15 Reference Code : 1989ESOLV.C...0000L Freq. targeted : R (Cousins) (R_26) Measurement : 12.55 mag = 2.95E-28 W m^-2^ Hz^-1^ Uncertainty : 0.09 mag = 2.55E-29 Significance : typical accuracy Freq or Vel. : 6400 A (OBS )= 4.68E+14 Hz Frequency mode : Broad-band measurement; photometric system transformed Coord. targeted: 050409 -4938.0 (B1950) Spatial mode : Modelled datum Notes : From new raw data Qualifiers :
No. 16 Reference Code : 2006AJ....131.1163S Freq. targeted : J (2MASS/CTIO) Measurement : 13.856 mag = 4.57E-29 W m^-2^ Hz^-1^ Uncertainty : 0.131 mag = 5.52E-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. 17 Reference Code : 2006AJ....131.1163S Freq. targeted : J (2MASS/CTIO) Measurement : 12.878 mag = 1.13E-28 W m^-2^ Hz^-1^ Uncertainty : 0.017 mag = 1.76E-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. 18 Reference Code : 2006AJ....131.1163S Freq. targeted : H (2MASS/CTIO) Measurement : 13.077 mag = 6.02E-29 W m^-2^ Hz^-1^ Uncertainty : 0.134 mag = 7.43E-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. 19 Reference Code : 2006AJ....131.1163S Freq. targeted : H (2MASS/CTIO) Measurement : 12.11 mag = 1.47E-28 W m^-2^ Hz^-1^ Uncertainty : 0.011 mag = 1.49E-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. 20 Reference Code : 2006AJ....131.1163S Freq. targeted : K_s (2MASS/CTIO) Measurement : 12.695 mag = 5.57E-29 W m^-2^ Hz^-1^ Uncertainty : 0.114 mag = 5.85E-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. 21 Reference Code : 2006AJ....131.1163S Freq. targeted : K_s (2MASS/CTIO) Measurement : 11.839 mag = 1.23E-28 W m^-2^ Hz^-1^ Uncertainty : 0.014 mag = 1.58E-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. 22 Reference Code : 1990IRASF.C...0000M Freq. targeted : 12 microns (IRAS) Measurement : <2.488E-01 Jy < 2.49E-27 W m^-2^ Hz^-1^ Uncertainty : Significance : 90% confidence Freq or Vel. : 12 microns (OBS )= 2.50E+13 Hz Frequency mode : Broad-band measurement Coord. targeted: 050409.5 -493818 (B1950) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers :
No. 23 Reference Code : 1990IRASF.C...0000M Freq. targeted : 25 microns (IRAS) Measurement : 2.875E-01 Jy = 2.88E-27 W m^-2^ Hz^-1^ Uncertainty : 9 % Jy = 2.24E-28 Significance : uncertainty Freq or Vel. : 25 microns (OBS )= 1.20E+13 Hz Frequency mode : Broad-band measurement Coord. targeted: 050409.5 -493818 (B1950) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : IRAS quality flag = 3
No. 24 Reference Code : 1990IRASF.C...0000M Freq. targeted : 60 microns (IRAS) Measurement : 3.069E+00 Jy = 3.07E-26 W m^-2^ Hz^-1^ Uncertainty : 6 % Jy = 1.84E-27 Significance : uncertainty Freq or Vel. : 60 microns (OBS )= 5.00E+12 Hz Frequency mode : Broad-band measurement Coord. targeted: 050409.5 -493818 (B1950) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : IRAS quality flag = 3
No. 25 Reference Code : 1990IRASF.C...0000M Freq. targeted : 100 microns (IRAS) Measurement : 7.875E+00 Jy = 7.87E-26 W m^-2^ Hz^-1^ Uncertainty : 7 % Jy = 5.51E-27 Significance : uncertainty Freq or Vel. : 100 microns (OBS )= 3.00E+12 Hz Frequency mode : Broad-band measurement Coord. targeted: 050409.5 -493818 (B1950) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : IRAS quality flag = 2
No. 26 Reference Code : 2004A&A...422...39S Freq. targeted : 170 microns (ISO) Measurement : 7.01 Jy = 7.01E-26 W m^-2^ Hz^-1^ Uncertainty : 30 % Jy = 2.10E-26 Significance : uncertainty Freq or Vel. : 170 microns (OBS )= 1.76E+12 Hz Frequency mode : Broad-band measurement Coord. targeted: 05 05 28.39 -49 33 57.0 (J2000) Spatial mode : Integrated from scans Notes : Averaged from previously published data Qualifiers :
No. 27 Reference Code : 2008SUMSS.2.1.....: Freq. targeted : 843 MHz (SUMSS) Measurement : 46.5 milliJy = 4.65E-28 W m^-2^ Hz^-1^ Uncertainty : 2 milliJy = 2.00E-29 Significance : uncertainty Freq or Vel. : 843 MHz (OBS )= 8.43E+08 Hz Frequency mode : Broad-band measurement Coord. targeted: 050526.60 -493403.9 (J2000) Spatial mode : Flux integrated from map Notes : From new raw data Qualifiers :

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