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Date and Time of the Query: 2019-03-20 T09:20:28 PDT
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Spectral Energy Distribution (SED) for NGC 1666:

30 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 18.5506 +/- 0.222353 mag 1.95E+15 1.38E-04 +/- 2.82E-05 Jy Broad-band Kron flux in elliptical aperture 2012GASC..C...0000S 1
2 FUV (GALEX) AB 21.4999 +/- 0.457954 mag 1.95E+15 9.12E-06 +/- 3.85E-06 Jy Broad-band Flux in 7.5 arcsec diameter aperture 2012GASC..C...0000S 2
3 NUV (GALEX) AB 17.5369 +/- 0.0620340 mag 1.29E+15 3.51E-04 +/- 2.00E-05 Jy Broad-band Kron flux in elliptical aperture 2012GASC..C...0000S 3
4 NUV (GALEX) AB 20.4805 +/- 0.150070 mag 1.29E+15 2.33E-05 +/- 3.22E-06 Jy Broad-band Flux in 7.5 arcsec diameter aperture 2012GASC..C...0000S 4
5 U (U_T) 14.11 +/- 0.14 mag 8.19E+14 4.11E-03 +/- 5.48E-04 Jy Broad-band 1991RC3.9.C...0000d 5
6 B (B_T) 13.61 +/- 0.13 mag 6.81E+14 1.53E-02 +/- 1.95E-03 Jy Broad-band 1991RC3.9.C...0000d 6
7 V (Johnson) 12.71 +/- 0.02 mag 5.42E+14 3.00E-02 +/- 5.58E-04 Jy Broad-band 90.4" aperture 1979ApJS...39...61P 7
8 V (Johnson) 12.88 +/- 0.02 mag 5.42E+14 2.57E-02 +/- 4.77E-04 Jy Broad-band 60.9" aperture 1979ApJS...39...61P 8
9 V (Johnson) 13.51 +/- 0.02 mag 5.42E+14 1.44E-02 +/- 2.67E-04 Jy Broad-band 25.9" aperture 1979ApJS...39...61P 9
10 V (Johnson) 12.78 +/- 0.02 mag 5.42E+14 2.81E-02 +/- 5.23E-04 Jy Broad-band 119.1" aperture 1979ApJS...39...61P 10
11 V (Johnson) 13.12 +/- 0.02 mag 5.42E+14 2.06E-02 +/- 3.82E-04 Jy Broad-band 40.3" aperture 1979ApJS...39...61P 11
12 V (V_T) 12.64 +/- 0.13 mag 5.42E+14 3.20E-02 +/- 4.12E-03 Jy Broad-band 1991RC3.9.C...0000d 12
13 R (Johnson) 11.98 +/- 0.03 mag 4.28E+14 4.49E-02 +/- 1.26E-03 Jy Broad-band 60.9" aperture 1979ApJS...39...61P 13
14 R (Johnson) 12.59 +/- 0.03 mag 4.28E+14 2.56E-02 +/- 7.17E-04 Jy Broad-band 25.9" aperture 1979ApJS...39...61P 14
15 R (Johnson) 11.86 +/- 0.03 mag 4.28E+14 5.01E-02 +/- 1.40E-03 Jy Broad-band 119.1" aperture 1979ApJS...39...61P 15
16 J (2MASS/CTIO) 11.736 +/- 0.007 mag 2.43E+14 3.22E-02 +/- 2.08E-04 Jy Broad-band 4" aperture 2006AJ....131.1163S 16
17 J (2MASS/CTIO) 11.967 +/- 0.043 mag 2.43E+14 2.60E-02 +/- 1.03E-03 Jy Broad-band Profile-fit; Poor quality 2006AJ....131.1163S 17
18 J_14arcsec (2MASS) 11.351 +/- 0.005 mag 2.40E+14 4.59E-02 +/- 2.12E-04 Jy Broad-band 14.0 x 14.0 arcsec aperture. 20032MASX.C.......: 18
19 J 10.364 +/- 0.021 mag 2.40E+14 1.14E-01 +/- 2.22E-03 Jy Broad-band 20032MASX.C.......: 19
20 J 10.513 +/- 0.021 mag 2.40E+14 9.93E-02 +/- 1.94E-03 Jy Broad-band 63.0 x 54.2 arcsec integration area. 20032MASX.C.......: 20
21 H 9.832 +/- 0.030 mag 1.82E+14 1.20E-01 +/- 3.35E-03 Jy Broad-band 63.0 x 54.2 arcsec integration area. 20032MASX.C.......: 21
22 H_14arcsec (2MASS) 10.639 +/- 0.007 mag 1.82E+14 5.68E-02 +/- 3.68E-04 Jy Broad-band 14.0 x 14.0 arcsec aperture. 20032MASX.C.......: 22
23 H 9.692 +/- 0.027 mag 1.82E+14 1.36E-01 +/- 3.42E-03 Jy Broad-band 20032MASX.C.......: 23
24 H (2MASS/CTIO) 11.141 +/- 0.043 mag 1.80E+14 3.58E-02 +/- 1.42E-03 Jy Broad-band Profile-fit; Poor quality 2006AJ....131.1163S 24
25 H (2MASS/CTIO) 11 +/- 0.008 mag 1.80E+14 4.08E-02 +/- 3.00E-04 Jy Broad-band 4" aperture 2006AJ....131.1163S 25
26 K_s (2MASS/CTIO) 10.759 +/- 0.034 mag 1.39E+14 3.31E-02 +/- 1.04E-03 Jy Broad-band Profile-fit; Poor quality 2006AJ....131.1163S 26
27 K_s (2MASS/CTIO) 10.713 +/- 0.012 mag 1.39E+14 3.46E-02 +/- 3.82E-04 Jy Broad-band 4" aperture 2006AJ....131.1163S 27
28 K_s 9.563 +/- 0.038 mag 1.38E+14 9.97E-02 +/- 3.55E-03 Jy Broad-band 63.0 x 54.2 arcsec integration area. 20032MASX.C.......: 28
29 K_s 9.438 +/- 0.036 mag 1.38E+14 1.12E-01 +/- 3.77E-03 Jy Broad-band 20032MASX.C.......: 29
30 K_s_14arcsec (2MASS) 10.369 +/- 0.009 mag 1.38E+14 4.75E-02 +/- 3.95E-04 Jy Broad-band 14.0 x 14.0 arcsec aperture. 20032MASX.C.......: 30


Detailed Information for Each Entry

 No. 1
Reference Code : 2012GASC..C...0000S
Freq. targeted : FUV (GALEX) AB      
Measurement    :  18.5506     mag                  = 1.38E-30 W m^-2^ Hz^-1^
Uncertainty    :  0.222353    mag                  = 2.82E-31
Significance   : uncertainty
Freq or Vel.   : 1538.6       A            (OBS   )= 1.95E+15 Hz
Frequency mode : Broad-band measurement
Coord. targeted: 72.137325089617 -6.569778675245 (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 : 21.4999 mag = 9.12E-32 W m^-2^ Hz^-1^ Uncertainty : 0.457954 mag = 3.85E-32 Significance : uncertainty Freq or Vel. : 1538.6 A (OBS )= 1.95E+15 Hz Frequency mode : Broad-band measurement Coord. targeted: 72.137325089617 -6.569778675245 (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 : 17.5369 mag = 3.51E-30 W m^-2^ Hz^-1^ Uncertainty : 0.0620340 mag = 2.00E-31 Significance : uncertainty Freq or Vel. : 2315.7 A (OBS )= 1.29E+15 Hz Frequency mode : Broad-band measurement Coord. targeted: 72.137325089617 -6.569778675245 (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 : 20.4805 mag = 2.33E-31 W m^-2^ Hz^-1^ Uncertainty : 0.150070 mag = 3.22E-32 Significance : uncertainty Freq or Vel. : 2315.7 A (OBS )= 1.29E+15 Hz Frequency mode : Broad-band measurement Coord. targeted: 72.137325089617 -6.569778675245 (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 : U (U_T) Measurement : 14.11 mag = 4.11E-29 W m^-2^ Hz^-1^ Uncertainty : 0.14 mag = 5.48E-30 Significance : rms uncertainty Freq or Vel. : 3660 A (OBS )= 8.19E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 044606.5 -063926 (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 (B_T) Measurement : 13.61 mag = 1.53E-28 W m^-2^ Hz^-1^ Uncertainty : 0.13 mag = 1.95E-29 Significance : rms uncertainty Freq or Vel. : 4400 A (OBS )= 6.81E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 044606.5 -063926 (B1950) Spatial mode : From multi-aperture data Notes : Homogenized from new and previously published data; Standard Johnson UBVRI filters assumed Qualifiers :
No. 7 Reference Code : 1979ApJS...39...61P Freq. targeted : V (Johnson) Measurement : 12.71 mag = 3.00E-28 W m^-2^ Hz^-1^ Uncertainty : 0.02 mag = 5.58E-30 Significance : uncertainty Freq or Vel. : 5530 A (OBS )= 5.42E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : 90.4" aperture
No. 8 Reference Code : 1979ApJS...39...61P Freq. targeted : V (Johnson) Measurement : 12.88 mag = 2.57E-28 W m^-2^ Hz^-1^ Uncertainty : 0.02 mag = 4.77E-30 Significance : uncertainty Freq or Vel. : 5530 A (OBS )= 5.42E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : 60.9" aperture
No. 9 Reference Code : 1979ApJS...39...61P Freq. targeted : V (Johnson) Measurement : 13.51 mag = 1.44E-28 W m^-2^ Hz^-1^ Uncertainty : 0.02 mag = 2.67E-30 Significance : uncertainty Freq or Vel. : 5530 A (OBS )= 5.42E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : 25.9" aperture
No. 10 Reference Code : 1979ApJS...39...61P Freq. targeted : V (Johnson) Measurement : 12.78 mag = 2.81E-28 W m^-2^ Hz^-1^ Uncertainty : 0.02 mag = 5.23E-30 Significance : uncertainty Freq or Vel. : 5530 A (OBS )= 5.42E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : 119.1" aperture
No. 11 Reference Code : 1979ApJS...39...61P Freq. targeted : V (Johnson) Measurement : 13.12 mag = 2.06E-28 W m^-2^ Hz^-1^ Uncertainty : 0.02 mag = 3.82E-30 Significance : uncertainty Freq or Vel. : 5530 A (OBS )= 5.42E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : 40.3" aperture
No. 12 Reference Code : 1991RC3.9.C...0000d Freq. targeted : V (V_T) Measurement : 12.64 mag = 3.20E-28 W m^-2^ Hz^-1^ Uncertainty : 0.13 mag = 4.12E-29 Significance : rms uncertainty Freq or Vel. : 5530 A (OBS )= 5.42E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 044606.5 -063926 (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 : 1979ApJS...39...61P Freq. targeted : R (Johnson) Measurement : 11.98 mag = 4.49E-28 W m^-2^ Hz^-1^ Uncertainty : 0.03 mag = 1.26E-29 Significance : uncertainty Freq or Vel. : 7000 A (OBS )= 4.28E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: Spatial mode : Flux in fixed aperture Notes : From new raw data; derived from a flux in a different band and a color Qualifiers : 60.9" aperture
No. 14 Reference Code : 1979ApJS...39...61P Freq. targeted : R (Johnson) Measurement : 12.59 mag = 2.56E-28 W m^-2^ Hz^-1^ Uncertainty : 0.03 mag = 7.17E-30 Significance : uncertainty Freq or Vel. : 7000 A (OBS )= 4.28E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: Spatial mode : Flux in fixed aperture Notes : From new raw data; derived from a flux in a different band and a color Qualifiers : 25.9" aperture
No. 15 Reference Code : 1979ApJS...39...61P Freq. targeted : R (Johnson) Measurement : 11.86 mag = 5.01E-28 W m^-2^ Hz^-1^ Uncertainty : 0.03 mag = 1.40E-29 Significance : uncertainty Freq or Vel. : 7000 A (OBS )= 4.28E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: Spatial mode : Flux in fixed aperture Notes : From new raw data; derived from a flux in a different band and a color Qualifiers : 119.1" aperture
No. 16 Reference Code : 2006AJ....131.1163S Freq. targeted : J (2MASS/CTIO) Measurement : 11.736 mag = 3.22E-28 W m^-2^ Hz^-1^ Uncertainty : 0.007 mag = 2.08E-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. 17 Reference Code : 2006AJ....131.1163S Freq. targeted : J (2MASS/CTIO) Measurement : 11.967 mag = 2.60E-28 W m^-2^ Hz^-1^ Uncertainty : 0.043 mag = 1.03E-29 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. 18 Reference Code : 20032MASX.C.......: Freq. targeted : J_14arcsec (2MASS) Measurement : 11.351 mag = 4.59E-28 W m^-2^ Hz^-1^ Uncertainty : 0.005 mag = 2.12E-30 Significance : 1 sigma uncert. Freq or Vel. : 1.25 microns (OBS )= 2.40E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 044832.85 -063412.3 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : 14.0 x 14.0 arcsec aperture.
No. 19 Reference Code : 20032MASX.C.......: Freq. targeted : J Measurement : 10.364 mag = 1.14E-27 W m^-2^ Hz^-1^ Uncertainty : 0.021 mag = 2.22E-29 Significance : 1 sigma uncert. Freq or Vel. : 1.25 microns (OBS )= 2.40E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 044832.85 -063412.3 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers :
No. 20 Reference Code : 20032MASX.C.......: Freq. targeted : J Measurement : 10.513 mag = 9.93E-28 W m^-2^ Hz^-1^ Uncertainty : 0.021 mag = 1.94E-29 Significance : 1 sigma uncert. Freq or Vel. : 1.25 microns (OBS )= 2.40E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 044832.85 -063412.3 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : 63.0 x 54.2 arcsec integration area.
No. 21 Reference Code : 20032MASX.C.......: Freq. targeted : H Measurement : 9.832 mag = 1.20E-27 W m^-2^ Hz^-1^ Uncertainty : 0.030 mag = 3.35E-29 Significance : 1 sigma uncert. Freq or Vel. : 1.65 microns (OBS )= 1.82E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 044832.85 -063412.3 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : 63.0 x 54.2 arcsec integration area.
No. 22 Reference Code : 20032MASX.C.......: Freq. targeted : H_14arcsec (2MASS) Measurement : 10.639 mag = 5.68E-28 W m^-2^ Hz^-1^ Uncertainty : 0.007 mag = 3.68E-30 Significance : 1 sigma uncert. Freq or Vel. : 1.65 microns (OBS )= 1.82E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 044832.85 -063412.3 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : 14.0 x 14.0 arcsec aperture.
No. 23 Reference Code : 20032MASX.C.......: Freq. targeted : H Measurement : 9.692 mag = 1.36E-27 W m^-2^ Hz^-1^ Uncertainty : 0.027 mag = 3.42E-29 Significance : 1 sigma uncert. Freq or Vel. : 1.65 microns (OBS )= 1.82E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 044832.85 -063412.3 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers :
No. 24 Reference Code : 2006AJ....131.1163S Freq. targeted : H (2MASS/CTIO) Measurement : 11.141 mag = 3.58E-28 W m^-2^ Hz^-1^ Uncertainty : 0.043 mag = 1.42E-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. 25 Reference Code : 2006AJ....131.1163S Freq. targeted : H (2MASS/CTIO) Measurement : 11 mag = 4.08E-28 W m^-2^ Hz^-1^ Uncertainty : 0.008 mag = 3.00E-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. 26 Reference Code : 2006AJ....131.1163S Freq. targeted : K_s (2MASS/CTIO) Measurement : 10.759 mag = 3.31E-28 W m^-2^ Hz^-1^ Uncertainty : 0.034 mag = 1.04E-29 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. 27 Reference Code : 2006AJ....131.1163S Freq. targeted : K_s (2MASS/CTIO) Measurement : 10.713 mag = 3.46E-28 W m^-2^ Hz^-1^ Uncertainty : 0.012 mag = 3.82E-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. 28 Reference Code : 20032MASX.C.......: Freq. targeted : K_s Measurement : 9.563 mag = 9.97E-28 W m^-2^ Hz^-1^ Uncertainty : 0.038 mag = 3.55E-29 Significance : 1 sigma uncert. Freq or Vel. : 2.17 microns (OBS )= 1.38E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 044832.85 -063412.3 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : 63.0 x 54.2 arcsec integration area.
No. 29 Reference Code : 20032MASX.C.......: Freq. targeted : K_s Measurement : 9.438 mag = 1.12E-27 W m^-2^ Hz^-1^ Uncertainty : 0.036 mag = 3.77E-29 Significance : 1 sigma uncert. Freq or Vel. : 2.17 microns (OBS )= 1.38E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 044832.85 -063412.3 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers :
No. 30 Reference Code : 20032MASX.C.......: Freq. targeted : K_s_14arcsec (2MASS) Measurement : 10.369 mag = 4.75E-28 W m^-2^ Hz^-1^ Uncertainty : 0.009 mag = 3.95E-30 Significance : 1 sigma uncert. Freq or Vel. : 2.17 microns (OBS )= 1.38E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 044832.85 -063412.3 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : 14.0 x 14.0 arcsec aperture.

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