NASA/IPAC EXTRAGALACTIC DATABASE
Date and Time of the Query: 2019-06-19 T23:12:28 PDT
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Spectral Energy Distribution (SED) for IC 1521:

25 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 17.6579 +/- 0.0669962 mag 1.95E+15 3.14E-04 +/- 1.94E-05 Jy Broad-band Kron flux in elliptical aperture 2012GASC..C...0000S 1
2 FUV (GALEX) AB 19.6556 +/- 0.193434 mag 1.95E+15 4.99E-05 +/- 8.88E-06 Jy Broad-band Flux in 7.5 arcsec diameter aperture 2012GASC..C...0000S 2
3 NUV (GALEX) AB 17.1652 +/- 0.0306395 mag 1.29E+15 4.94E-04 +/- 1.39E-05 Jy Broad-band Kron flux in elliptical aperture 2012GASC..C...0000S 3
4 NUV (GALEX) AB 19.0707 +/- 0.0840839 mag 1.29E+15 8.55E-05 +/- 6.62E-06 Jy Broad-band Flux in 7.5 arcsec diameter aperture 2012GASC..C...0000S 4
5 J (2MASS/CTIO) 13.597 +/- 0.011 mag 2.43E+14 5.80E-03 +/- 5.88E-05 Jy Broad-band 4" aperture 2006AJ....131.1163S 5
6 J (2MASS/CTIO) 14.25 +/- 0.098 mag 2.43E+14 3.18E-03 +/- 2.87E-04 Jy Broad-band Profile-fit 2006AJ....131.1163S 6
7 J 12.372 +/- 0.034 mag 2.40E+14 1.79E-02 +/- 5.70E-04 Jy Broad-band 20032MASX.C.......: 7
8 J_14arcsec (2MASS) 12.995 +/- 0.018 mag 2.40E+14 1.01E-02 +/- 1.69E-04 Jy Broad-band 14.0 x 14.0 arcsec aperture. 20032MASX.C.......: 8
9 J 12.526 +/- 0.030 mag 2.40E+14 1.55E-02 +/- 4.35E-04 Jy Broad-band 27.8 x 21.1 arcsec integration area. 20032MASX.C.......: 9
10 H 11.707 +/- 0.038 mag 1.82E+14 2.13E-02 +/- 7.57E-04 Jy Broad-band 20032MASX.C.......: 10
11 H_14arcsec (2MASS) 12.262 +/- 0.019 mag 1.82E+14 1.28E-02 +/- 2.25E-04 Jy Broad-band 14.0 x 14.0 arcsec aperture. 20032MASX.C.......: 11
12 H 11.848 +/- 0.036 mag 1.82E+14 1.87E-02 +/- 6.29E-04 Jy Broad-band 27.8 x 21.1 arcsec integration area. 20032MASX.C.......: 12
13 H (2MASS/CTIO) 12.85 +/- 0.019 mag 1.80E+14 7.42E-03 +/- 1.30E-04 Jy Broad-band 4" aperture 2006AJ....131.1163S 13
14 H (2MASS/CTIO) 13.678 +/- 0.117 mag 1.80E+14 3.46E-03 +/- 3.73E-04 Jy Broad-band Profile-fit 2006AJ....131.1163S 14
15 K_s (2MASS/CTIO) 13.234 +/- 0.104 mag 1.39E+14 3.39E-03 +/- 3.25E-04 Jy Broad-band Profile-fit 2006AJ....131.1163S 15
16 K_s (2MASS/CTIO) 12.482 +/- 0.036 mag 1.39E+14 6.78E-03 +/- 2.25E-04 Jy Broad-band 4" aperture 2006AJ....131.1163S 16
17 K_s 11.515 +/- 0.068 mag 1.38E+14 1.65E-02 +/- 1.07E-03 Jy Broad-band 27.8 x 21.1 arcsec integration area. 20032MASX.C.......: 17
18 K_s 11.414 +/- 0.067 mag 1.38E+14 1.81E-02 +/- 1.15E-03 Jy Broad-band 20032MASX.C.......: 18
19 K_s_14arcsec (2MASS) 11.926 +/- 0.032 mag 1.38E+14 1.13E-02 +/- 3.38E-04 Jy Broad-band 14.0 x 14.0 arcsec aperture. 20032MASX.C.......: 19
20 12 microns (IRAS) ... <1.504E-01 Jy 2.50E+13 < 1.50E-01 Jy Broad-band 1990IRASF.C...0000M 20
21 25 microns (IRAS) ... <1.952E-01 Jy 1.20E+13 < 1.95E-01 Jy Broad-band 1990IRASF.C...0000M 21
22 60 microns (IRAS) 4.112E-01 +/- 12 % Jy 5.00E+12 4.11E-01 +/- 4.93E-02 Jy Broad-band IRAS quality flag = 3 1990IRASF.C...0000M 22
23 100 microns (IRAS) 1.173E+00 +/- 15 % Jy 3.00E+12 1.17E+00 +/- 1.76E-01 Jy Broad-band IRAS quality flag = 2 1990IRASF.C...0000M 23
24 170 microns (ISO) 1.7 +/- 30 % Jy 1.76E+12 1.70E+00 +/- 5.10E-01 Jy Broad-band 2004A&A...422...39S 24
25 1.4GHz 4.6 +/- 0.5 milliJy 1.40E+09 4.60E-03 +/- 5.00E-04 Jy Broad-band 1998AJ....115.1693C 25


Detailed Information for Each Entry

 No. 1
Reference Code : 2012GASC..C...0000S
Freq. targeted : FUV (GALEX) AB      
Measurement    :  17.6579     mag                  = 3.14E-30 W m^-2^ Hz^-1^
Uncertainty    :  0.0669962   mag                  = 1.94E-31
Significance   : uncertainty
Freq or Vel.   : 1538.6       A            (OBS   )= 1.95E+15 Hz
Frequency mode : Broad-band measurement
Coord. targeted: 359.74877284292 -7.146612611257 (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 : 19.6556 mag = 4.99E-31 W m^-2^ Hz^-1^ Uncertainty : 0.193434 mag = 8.88E-32 Significance : uncertainty Freq or Vel. : 1538.6 A (OBS )= 1.95E+15 Hz Frequency mode : Broad-band measurement Coord. targeted: 359.74877284292 -7.146612611257 (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 : 17.1652 mag = 4.94E-30 W m^-2^ Hz^-1^ Uncertainty : 0.0306395 mag = 1.39E-31 Significance : uncertainty Freq or Vel. : 2315.7 A (OBS )= 1.29E+15 Hz Frequency mode : Broad-band measurement Coord. targeted: 359.74877284292 -7.146612611257 (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 : 19.0707 mag = 8.55E-31 W m^-2^ Hz^-1^ Uncertainty : 0.0840839 mag = 6.62E-32 Significance : uncertainty Freq or Vel. : 2315.7 A (OBS )= 1.29E+15 Hz Frequency mode : Broad-band measurement Coord. targeted: 359.74877284292 -7.146612611257 (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 : 13.597 mag = 5.80E-29 W m^-2^ Hz^-1^ Uncertainty : 0.011 mag = 5.88E-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 : 14.25 mag = 3.18E-29 W m^-2^ Hz^-1^ Uncertainty : 0.098 mag = 2.87E-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
No. 7 Reference Code : 20032MASX.C.......: Freq. targeted : J Measurement : 12.372 mag = 1.79E-28 W m^-2^ Hz^-1^ Uncertainty : 0.034 mag = 5.70E-30 Significance : 1 sigma uncert. Freq or Vel. : 1.25 microns (OBS )= 2.40E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 235859.66 -070848.4 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers :
No. 8 Reference Code : 20032MASX.C.......: Freq. targeted : J_14arcsec (2MASS) Measurement : 12.995 mag = 1.01E-28 W m^-2^ Hz^-1^ Uncertainty : 0.018 mag = 1.69E-30 Significance : 1 sigma uncert. Freq or Vel. : 1.25 microns (OBS )= 2.40E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 235859.66 -070848.4 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : 14.0 x 14.0 arcsec aperture.
No. 9 Reference Code : 20032MASX.C.......: Freq. targeted : J Measurement : 12.526 mag = 1.55E-28 W m^-2^ Hz^-1^ Uncertainty : 0.030 mag = 4.35E-30 Significance : 1 sigma uncert. Freq or Vel. : 1.25 microns (OBS )= 2.40E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 235859.66 -070848.4 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : 27.8 x 21.1 arcsec integration area.
No. 10 Reference Code : 20032MASX.C.......: Freq. targeted : H Measurement : 11.707 mag = 2.13E-28 W m^-2^ Hz^-1^ Uncertainty : 0.038 mag = 7.57E-30 Significance : 1 sigma uncert. Freq or Vel. : 1.65 microns (OBS )= 1.82E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 235859.66 -070848.4 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers :
No. 11 Reference Code : 20032MASX.C.......: Freq. targeted : H_14arcsec (2MASS) Measurement : 12.262 mag = 1.28E-28 W m^-2^ Hz^-1^ Uncertainty : 0.019 mag = 2.25E-30 Significance : 1 sigma uncert. Freq or Vel. : 1.65 microns (OBS )= 1.82E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 235859.66 -070848.4 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : 14.0 x 14.0 arcsec aperture.
No. 12 Reference Code : 20032MASX.C.......: Freq. targeted : H Measurement : 11.848 mag = 1.87E-28 W m^-2^ Hz^-1^ Uncertainty : 0.036 mag = 6.29E-30 Significance : 1 sigma uncert. Freq or Vel. : 1.65 microns (OBS )= 1.82E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 235859.66 -070848.4 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : 27.8 x 21.1 arcsec integration area.
No. 13 Reference Code : 2006AJ....131.1163S Freq. targeted : H (2MASS/CTIO) Measurement : 12.85 mag = 7.42E-29 W m^-2^ Hz^-1^ Uncertainty : 0.019 mag = 1.30E-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. 14 Reference Code : 2006AJ....131.1163S Freq. targeted : H (2MASS/CTIO) Measurement : 13.678 mag = 3.46E-29 W m^-2^ Hz^-1^ Uncertainty : 0.117 mag = 3.73E-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. 15 Reference Code : 2006AJ....131.1163S Freq. targeted : K_s (2MASS/CTIO) Measurement : 13.234 mag = 3.39E-29 W m^-2^ Hz^-1^ Uncertainty : 0.104 mag = 3.25E-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. 16 Reference Code : 2006AJ....131.1163S Freq. targeted : K_s (2MASS/CTIO) Measurement : 12.482 mag = 6.78E-29 W m^-2^ Hz^-1^ Uncertainty : 0.036 mag = 2.25E-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 Measurement : 11.515 mag = 1.65E-28 W m^-2^ Hz^-1^ Uncertainty : 0.068 mag = 1.07E-29 Significance : 1 sigma uncert. Freq or Vel. : 2.17 microns (OBS )= 1.38E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 235859.66 -070848.4 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : 27.8 x 21.1 arcsec integration area.
No. 18 Reference Code : 20032MASX.C.......: Freq. targeted : K_s Measurement : 11.414 mag = 1.81E-28 W m^-2^ Hz^-1^ Uncertainty : 0.067 mag = 1.15E-29 Significance : 1 sigma uncert. Freq or Vel. : 2.17 microns (OBS )= 1.38E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 235859.66 -070848.4 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers :
No. 19 Reference Code : 20032MASX.C.......: Freq. targeted : K_s_14arcsec (2MASS) Measurement : 11.926 mag = 1.13E-28 W m^-2^ Hz^-1^ Uncertainty : 0.032 mag = 3.38E-30 Significance : 1 sigma uncert. Freq or Vel. : 2.17 microns (OBS )= 1.38E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 235859.66 -070848.4 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : 14.0 x 14.0 arcsec aperture.
No. 20 Reference Code : 1990IRASF.C...0000M Freq. targeted : 12 microns (IRAS) Measurement : <1.504E-01 Jy < 1.50E-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: 235626.5 -072538 (B1950) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers :
No. 21 Reference Code : 1990IRASF.C...0000M Freq. targeted : 25 microns (IRAS) Measurement : <1.952E-01 Jy < 1.95E-27 W m^-2^ Hz^-1^ Uncertainty : Significance : 90% confidence Freq or Vel. : 25 microns (OBS )= 1.20E+13 Hz Frequency mode : Broad-band measurement Coord. targeted: 235626.5 -072538 (B1950) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers :
No. 22 Reference Code : 1990IRASF.C...0000M Freq. targeted : 60 microns (IRAS) Measurement : 4.112E-01 Jy = 4.11E-27 W m^-2^ Hz^-1^ Uncertainty : 12 % Jy = 4.93E-28 Significance : uncertainty Freq or Vel. : 60 microns (OBS )= 5.00E+12 Hz Frequency mode : Broad-band measurement Coord. targeted: 235626.5 -072538 (B1950) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : IRAS quality flag = 3
No. 23 Reference Code : 1990IRASF.C...0000M Freq. targeted : 100 microns (IRAS) Measurement : 1.173E+00 Jy = 1.17E-26 W m^-2^ Hz^-1^ Uncertainty : 15 % Jy = 1.76E-27 Significance : uncertainty Freq or Vel. : 100 microns (OBS )= 3.00E+12 Hz Frequency mode : Broad-band measurement Coord. targeted: 235626.5 -072538 (B1950) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : IRAS quality flag = 2
No. 24 Reference Code : 2004A&A...422...39S Freq. targeted : 170 microns (ISO) Measurement : 1.7 Jy = 1.70E-26 W m^-2^ Hz^-1^ Uncertainty : 30 % Jy = 5.10E-27 Significance : uncertainty Freq or Vel. : 170 microns (OBS )= 1.76E+12 Hz Frequency mode : Broad-band measurement Coord. targeted: 23 59 01.26 -07 08 49.0 (J2000) Spatial mode : Integrated from scans Notes : Averaged from previously published data Qualifiers :
No. 25 Reference Code : 1998AJ....115.1693C Freq. targeted : 1.4GHz Measurement : 4.6 milliJy = 4.60E-29 W m^-2^ Hz^-1^ Uncertainty : 0.5 milliJy = 5.00E-30 Significance : uncertainty Freq or Vel. : 1.40 GHz (OBS )= 1.40E+09 Hz Frequency mode : Broad-band measurement Coord. targeted: 23 58 59.78 -07 08 48.0 (J2000) Spatial mode : Flux integrated from map Notes : From new raw data Qualifiers :

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