NASA/IPAC EXTRAGALACTIC DATABASE
Date and Time of the Query: 2019-08-18 T07:15:53 PDT
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Spectral Energy Distribution (SED) for IC 1948:

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 17.0283 +/- 0.0454757 mag 1.95E+15 5.61E-04 +/- 2.35E-05 Jy Broad-band Kron flux in elliptical aperture 2012GASC..C...0000S 1
2 FUV (GALEX) AB 19.6276 +/- 0.178563 mag 1.95E+15 5.12E-05 +/- 8.41E-06 Jy Broad-band Flux in 7.5 arcsec diameter aperture 2012GASC..C...0000S 2
3 NUV (GALEX) AB 16.7735 +/- 0.0239077 mag 1.29E+15 7.09E-04 +/- 1.56E-05 Jy Broad-band Kron flux in elliptical aperture 2012GASC..C...0000S 3
4 NUV (GALEX) AB 19.4808 +/- 0.0906101 mag 1.29E+15 5.86E-05 +/- 4.89E-06 Jy Broad-band Flux in 7.5 arcsec diameter aperture 2012GASC..C...0000S 4
5 B (Cousins) (B_T) 15.53 +/- 0.09 mag 6.81E+14 2.62E-03 +/- 2.26E-04 Jy Broad-band 1989ESOLV.C...0000L 5
6 b_J 15.39 +/- 0.12 mag 6.41E+14 2.76E-03 +/- 3.22E-04 Jy Broad-band 1990MNRAS.243..692M 6
7 R (Cousins) (R_T) 14.83 +/- 0.09 mag 4.68E+14 3.60E-03 +/- 3.11E-04 Jy Broad-band 1989ESOLV.C...0000L 7
8 J (2MASS/CTIO) 15.208 +/- 0.092 mag 2.43E+14 1.32E-03 +/- 1.12E-04 Jy Broad-band 4" aperture 2006AJ....131.1163S 8
9 J (2MASS/CTIO) 16.258 +/- 0.166 mag 2.43E+14 5.00E-04 +/- 7.65E-05 Jy Broad-band Profile-fit 2006AJ....131.1163S 9
10 J_14arcsec (2MASS) 14.611 +/- 0.079 mag 2.40E+14 2.28E-03 +/- 1.72E-04 Jy Broad-band 14.0 x 14.0 arcsec aperture. 20032MASX.C.......: 10
11 J 14.475 +/- 0.090 mag 2.40E+14 2.58E-03 +/- 2.23E-04 Jy Broad-band 18.6 x 14.1 arcsec integration area. 20032MASX.C.......: 11
12 J 13.926 +/- 0.092 mag 2.40E+14 4.28E-03 +/- 3.79E-04 Jy Broad-band 20032MASX.C.......: 12
13 H 13.453 +/- 0.086 mag 1.82E+14 4.26E-03 +/- 3.51E-04 Jy Broad-band 18.6 x 14.1 arcsec integration area. 20032MASX.C.......: 13
14 H_14arcsec (2MASS) 13.663 +/- 0.081 mag 1.82E+14 3.51E-03 +/- 2.72E-04 Jy Broad-band 14.0 x 14.0 arcsec aperture. 20032MASX.C.......: 14
15 H 13.061 +/- 0.101 mag 1.82E+14 6.11E-03 +/- 5.95E-04 Jy Broad-band 20032MASX.C.......: 15
16 H (2MASS/CTIO) 14.331 +/- 0.024 mag 1.80E+14 1.90E-03 +/- 4.19E-05 Jy Broad-band 4" aperture 2006AJ....131.1163S 16
17 H (2MASS/CTIO) 15.265 +/- 0.192 mag 1.80E+14 8.02E-04 +/- 1.42E-04 Jy Broad-band Profile-fit 2006AJ....131.1163S 17
18 K_s (2MASS/CTIO) 15.053 +/- 0.173 mag 1.39E+14 6.35E-04 +/- 1.01E-04 Jy Broad-band Profile-fit 2006AJ....131.1163S 18
19 K_s (2MASS/CTIO) 14.173 +/- 0.111 mag 1.39E+14 1.43E-03 +/- 1.46E-04 Jy Broad-band 4" aperture 2006AJ....131.1163S 19
20 K_s 13.388 +/- 0.124 mag 1.38E+14 2.94E-03 +/- 3.56E-04 Jy Broad-band 18.6 x 14.1 arcsec integration area. 20032MASX.C.......: 20
21 K_s 13.120 +/- 0.177 mag 1.38E+14 3.77E-03 +/- 6.67E-04 Jy Broad-band 20032MASX.C.......: 21
22 K_s_14arcsec (2MASS) 13.574 +/- 0.121 mag 1.38E+14 2.48E-03 +/- 2.92E-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    :  17.0283     mag                  = 5.61E-30 W m^-2^ Hz^-1^
Uncertainty    :  0.0454757   mag                  = 2.35E-31
Significance   : uncertainty
Freq or Vel.   : 1538.6       A            (OBS   )= 1.95E+15 Hz
Frequency mode : Broad-band measurement
Coord. targeted: 52.707786665515 -47.96490021924 (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 : 19.6276 mag = 5.12E-31 W m^-2^ Hz^-1^ Uncertainty : 0.178563 mag = 8.41E-32 Significance : uncertainty Freq or Vel. : 1538.6 A (OBS )= 1.95E+15 Hz Frequency mode : Broad-band measurement Coord. targeted: 52.707786665515 -47.96490021924 (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 : 16.7735 mag = 7.09E-30 W m^-2^ Hz^-1^ Uncertainty : 0.0239077 mag = 1.56E-31 Significance : uncertainty Freq or Vel. : 2315.7 A (OBS )= 1.29E+15 Hz Frequency mode : Broad-band measurement Coord. targeted: 52.707786665515 -47.96490021924 (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 : 19.4808 mag = 5.86E-31 W m^-2^ Hz^-1^ Uncertainty : 0.0906101 mag = 4.89E-32 Significance : uncertainty Freq or Vel. : 2315.7 A (OBS )= 1.29E+15 Hz Frequency mode : Broad-band measurement Coord. targeted: 52.707786665515 -47.96490021924 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : Flux in 7.5 arcsec diameter aperture
No. 5 Reference Code : 1989ESOLV.C...0000L Freq. targeted : B (Cousins) (B_T) Measurement : 15.53 mag = 2.61E-29 W m^-2^ Hz^-1^ Uncertainty : 0.09 mag = 2.26E-30 Significance : typical accuracy Freq or Vel. : 4400 A (OBS )= 6.81E+14 Hz Frequency mode : Broad-band measurement; photometric system transformed Coord. targeted: 032915 -4808.0 (B1950) Spatial mode : Modelled datum Notes : From new raw data Qualifiers :
No. 6 Reference Code : 1990MNRAS.243..692M Freq. targeted : b_J Measurement : 15.39 mag = 2.76E-29 W m^-2^ Hz^-1^ Uncertainty : 0.12 mag = 3.22E-30 Significance : rms uncertainty Freq or Vel. : 4680 A (OBS )= 6.41E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 032915.25 -480802.5 (B1950) Spatial mode : Flux integrated from map Notes : From new raw data Qualifiers :
No. 7 Reference Code : 1989ESOLV.C...0000L Freq. targeted : R (Cousins) (R_T) Measurement : 14.83 mag = 3.60E-29 W m^-2^ Hz^-1^ Uncertainty : 0.09 mag = 3.11E-30 Significance : typical accuracy Freq or Vel. : 6400 A (OBS )= 4.68E+14 Hz Frequency mode : Broad-band measurement; photometric system transformed Coord. targeted: 032915 -4808.0 (B1950) Spatial mode : Modelled datum Notes : From new raw data Qualifiers :
No. 8 Reference Code : 2006AJ....131.1163S Freq. targeted : J (2MASS/CTIO) Measurement : 15.208 mag = 1.32E-29 W m^-2^ Hz^-1^ Uncertainty : 0.092 mag = 1.12E-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/CTIO) Measurement : 16.258 mag = 5.00E-30 W m^-2^ Hz^-1^ Uncertainty : 0.166 mag = 7.65E-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 : Profile-fit
No. 10 Reference Code : 20032MASX.C.......: Freq. targeted : J_14arcsec (2MASS) Measurement : 14.611 mag = 2.28E-29 W m^-2^ Hz^-1^ Uncertainty : 0.079 mag = 1.72E-30 Significance : 1 sigma uncert. Freq or Vel. : 1.25 microns (OBS )= 2.40E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 033050.05 -475753.5 (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 : 14.475 mag = 2.58E-29 W m^-2^ Hz^-1^ Uncertainty : 0.090 mag = 2.23E-30 Significance : 1 sigma uncert. Freq or Vel. : 1.25 microns (OBS )= 2.40E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 033050.05 -475753.5 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : 18.6 x 14.1 arcsec integration area.
No. 12 Reference Code : 20032MASX.C.......: Freq. targeted : J Measurement : 13.926 mag = 4.28E-29 W m^-2^ Hz^-1^ Uncertainty : 0.092 mag = 3.79E-30 Significance : 1 sigma uncert. Freq or Vel. : 1.25 microns (OBS )= 2.40E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 033050.05 -475753.5 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers :
No. 13 Reference Code : 20032MASX.C.......: Freq. targeted : H Measurement : 13.453 mag = 4.26E-29 W m^-2^ Hz^-1^ Uncertainty : 0.086 mag = 3.51E-30 Significance : 1 sigma uncert. Freq or Vel. : 1.65 microns (OBS )= 1.82E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 033050.05 -475753.5 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : 18.6 x 14.1 arcsec integration area.
No. 14 Reference Code : 20032MASX.C.......: Freq. targeted : H_14arcsec (2MASS) Measurement : 13.663 mag = 3.51E-29 W m^-2^ Hz^-1^ Uncertainty : 0.081 mag = 2.72E-30 Significance : 1 sigma uncert. Freq or Vel. : 1.65 microns (OBS )= 1.82E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 033050.05 -475753.5 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : 14.0 x 14.0 arcsec aperture.
No. 15 Reference Code : 20032MASX.C.......: Freq. targeted : H Measurement : 13.061 mag = 6.11E-29 W m^-2^ Hz^-1^ Uncertainty : 0.101 mag = 5.95E-30 Significance : 1 sigma uncert. Freq or Vel. : 1.65 microns (OBS )= 1.82E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 033050.05 -475753.5 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers :
No. 16 Reference Code : 2006AJ....131.1163S Freq. targeted : H (2MASS/CTIO) Measurement : 14.331 mag = 1.90E-29 W m^-2^ Hz^-1^ Uncertainty : 0.024 mag = 4.19E-31 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. 17 Reference Code : 2006AJ....131.1163S Freq. targeted : H (2MASS/CTIO) Measurement : 15.265 mag = 8.02E-30 W m^-2^ Hz^-1^ Uncertainty : 0.192 mag = 1.42E-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
No. 18 Reference Code : 2006AJ....131.1163S Freq. targeted : K_s (2MASS/CTIO) Measurement : 15.053 mag = 6.35E-30 W m^-2^ Hz^-1^ Uncertainty : 0.173 mag = 1.01E-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. 19 Reference Code : 2006AJ....131.1163S Freq. targeted : K_s (2MASS/CTIO) Measurement : 14.173 mag = 1.43E-29 W m^-2^ Hz^-1^ Uncertainty : 0.111 mag = 1.46E-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. 20 Reference Code : 20032MASX.C.......: Freq. targeted : K_s Measurement : 13.388 mag = 2.94E-29 W m^-2^ Hz^-1^ Uncertainty : 0.124 mag = 3.56E-30 Significance : 1 sigma uncert. Freq or Vel. : 2.17 microns (OBS )= 1.38E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 033050.05 -475753.5 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : 18.6 x 14.1 arcsec integration area.
No. 21 Reference Code : 20032MASX.C.......: Freq. targeted : K_s Measurement : 13.120 mag = 3.77E-29 W m^-2^ Hz^-1^ Uncertainty : 0.177 mag = 6.67E-30 Significance : 1 sigma uncert. Freq or Vel. : 2.17 microns (OBS )= 1.38E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 033050.05 -475753.5 (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 : 13.574 mag = 2.48E-29 W m^-2^ Hz^-1^ Uncertainty : 0.121 mag = 2.92E-30 Significance : 1 sigma uncert. Freq or Vel. : 2.17 microns (OBS )= 1.38E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 033050.05 -475753.5 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : 14.0 x 14.0 arcsec aperture.

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