NASA/IPAC EXTRAGALACTIC DATABASE
Date and Time of the Query: 2019-03-20 T02:02:05 PDT
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Spectral Energy Distribution (SED) for IC 3491:

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 m_24.5 (103a-O) 16.62 +/- 0.14 mag 7.40E+14 8.57E-04 +/- 1.18E-04 Jy Broad-band 1995AJ....110.2009O 1
2 m_23.5 (103a-E) 15.31 +/- 0.14 mag 4.65E+14 2.29E-03 +/- 3.16E-04 Jy Broad-band 1995AJ....110.2009O 2
3 J (2MASS/FLWO) 14.25 +/- 0.02 mag 2.43E+14 3.18E-03 +/- 5.86E-05 Jy Broad-band 4" aperture 2006AJ....131.1163S 3
4 J (2MASS/FLWO) 15.188 +/- 0.163 mag 2.43E+14 1.34E-03 +/- 2.01E-04 Jy Broad-band Profile-fit 2006AJ....131.1163S 4
5 J 13.237 +/- 0.045 mag 2.40E+14 8.08E-03 +/- 3.42E-04 Jy Broad-band 35.4 x 10.6 arcsec integration area. 20032MASX.C.......: 5
6 J 13.123 +/- 0.056 mag 2.40E+14 8.97E-03 +/- 4.75E-04 Jy Broad-band 20032MASX.C.......: 6
7 J_14arcsec (2MASS) 13.648 +/- 0.035 mag 2.40E+14 5.53E-03 +/- 1.81E-04 Jy Broad-band 14.0 x 14.0 arcsec aperture. 20032MASX.C.......: 7
8 H 12.459 +/- 0.051 mag 1.82E+14 1.06E-02 +/- 5.11E-04 Jy Broad-band 35.4 x 10.6 arcsec integration area. 20032MASX.C.......: 8
9 H 12.409 +/- 0.062 mag 1.82E+14 1.11E-02 +/- 6.54E-04 Jy Broad-band 20032MASX.C.......: 9
10 H_14arcsec (2MASS) 12.801 +/- 0.035 mag 1.82E+14 7.76E-03 +/- 2.54E-04 Jy Broad-band 14.0 x 14.0 arcsec aperture. 20032MASX.C.......: 10
11 H (2MASS/FLWO) 14.284 +/- 0.153 mag 1.80E+14 1.98E-03 +/- 2.79E-04 Jy Broad-band Profile-fit 2006AJ....131.1163S 11
12 H (2MASS/FLWO) 13.309 +/- 0.016 mag 1.80E+14 4.86E-03 +/- 7.16E-05 Jy Broad-band 4" aperture 2006AJ....131.1163S 12
13 K_s (2MASS/FLWO) 12.861 +/- 0.046 mag 1.39E+14 4.78E-03 +/- 2.03E-04 Jy Broad-band 4" aperture 2006AJ....131.1163S 13
14 K_s (2MASS/FLWO) 13.759 +/- 0.122 mag 1.39E+14 2.09E-03 +/- 2.35E-04 Jy Broad-band Profile-fit 2006AJ....131.1163S 14
15 K_s 12.036 +/- 0.069 mag 1.38E+14 1.02E-02 +/- 6.71E-04 Jy Broad-band 35.4 x 10.6 arcsec integration area. 20032MASX.C.......: 15
16 K_s_14arcsec (2MASS) 12.413 +/- 0.044 mag 1.38E+14 7.22E-03 +/- 2.99E-04 Jy Broad-band 14.0 x 14.0 arcsec aperture. 20032MASX.C.......: 16
17 K_s 11.931 +/- 0.072 mag 1.38E+14 1.13E-02 +/- 7.72E-04 Jy Broad-band 20032MASX.C.......: 17
18 12 microns (IRAS) ... <1.092E-01 Jy 2.50E+13 < 1.09E-01 Jy Broad-band 1990IRASF.C...0000M 18
19 25 microns (IRAS) ... <1.561E-01 Jy 1.20E+13 < 1.56E-01 Jy Broad-band 1990IRASF.C...0000M 19
20 60 microns (IRAS) 4.067E-01 +/- 12 % Jy 5.00E+12 4.07E-01 +/- 4.88E-02 Jy Broad-band IRAS quality flag = 3 1990IRASF.C...0000M 20
21 100 microns (IRAS) 1.098E+00 +/- 14 % Jy 3.00E+12 1.10E+00 +/- 1.54E-01 Jy Broad-band IRAS quality flag = 2 1990IRASF.C...0000M 21
22 1.4GHz 4.4 +/- 0.5 milliJy 1.40E+09 4.40E-03 +/- 5.00E-04 Jy Broad-band 1998AJ....115.1693C 22


Detailed Information for Each Entry

 No. 1
Reference Code : 1995AJ....110.2009O
Freq. targeted : m_24.5 (103a-O)     
Measurement    :  16.62       mag                  = 8.57E-30 W m^-2^ Hz^-1^
Uncertainty    :  0.14        mag                  = 1.18E-30
Significance   : internal error
Freq or Vel.   : 4050         A            (OBS   )= 7.40E+14 Hz
Frequency mode : Broad-band measurement
Coord. targeted: 123040.01       +272215.2 (B1950)
Spatial mode   : Integrated from scans
Notes          : From new raw data
Qualifiers     :                                         

No. 2 Reference Code : 1995AJ....110.2009O Freq. targeted : m_23.5 (103a-E) Measurement : 15.31 mag = 2.29E-29 W m^-2^ Hz^-1^ Uncertainty : 0.14 mag = 3.16E-30 Significance : internal error Freq or Vel. : 6450 A (OBS )= 4.65E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 123040.01 +272215.2 (B1950) Spatial mode : Integrated from scans Notes : From new raw data; derived from a flux in a different band and a color Qualifiers :
No. 3 Reference Code : 2006AJ....131.1163S Freq. targeted : J (2MASS/FLWO) Measurement : 14.25 mag = 3.18E-29 W m^-2^ Hz^-1^ Uncertainty : 0.02 mag = 5.86E-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. 4 Reference Code : 2006AJ....131.1163S Freq. targeted : J (2MASS/FLWO) Measurement : 15.188 mag = 1.34E-29 W m^-2^ Hz^-1^ Uncertainty : 0.163 mag = 2.01E-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. 5 Reference Code : 20032MASX.C.......: Freq. targeted : J Measurement : 13.237 mag = 8.07E-29 W m^-2^ Hz^-1^ Uncertainty : 0.045 mag = 3.42E-30 Significance : 1 sigma uncert. Freq or Vel. : 1.25 microns (OBS )= 2.40E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 123308.93 +270540.2 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : 35.4 x 10.6 arcsec integration area.
No. 6 Reference Code : 20032MASX.C.......: Freq. targeted : J Measurement : 13.123 mag = 8.97E-29 W m^-2^ Hz^-1^ Uncertainty : 0.056 mag = 4.75E-30 Significance : 1 sigma uncert. Freq or Vel. : 1.25 microns (OBS )= 2.40E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 123308.93 +270540.2 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers :
No. 7 Reference Code : 20032MASX.C.......: Freq. targeted : J_14arcsec (2MASS) Measurement : 13.648 mag = 5.53E-29 W m^-2^ Hz^-1^ Uncertainty : 0.035 mag = 1.81E-30 Significance : 1 sigma uncert. Freq or Vel. : 1.25 microns (OBS )= 2.40E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 123308.93 +270540.2 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : 14.0 x 14.0 arcsec aperture.
No. 8 Reference Code : 20032MASX.C.......: Freq. targeted : H Measurement : 12.459 mag = 1.06E-28 W m^-2^ Hz^-1^ Uncertainty : 0.051 mag = 5.11E-30 Significance : 1 sigma uncert. Freq or Vel. : 1.65 microns (OBS )= 1.82E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 123308.93 +270540.2 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : 35.4 x 10.6 arcsec integration area.
No. 9 Reference Code : 20032MASX.C.......: Freq. targeted : H Measurement : 12.409 mag = 1.11E-28 W m^-2^ Hz^-1^ Uncertainty : 0.062 mag = 6.54E-30 Significance : 1 sigma uncert. Freq or Vel. : 1.65 microns (OBS )= 1.82E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 123308.93 +270540.2 (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 : 12.801 mag = 7.76E-29 W m^-2^ Hz^-1^ Uncertainty : 0.035 mag = 2.54E-30 Significance : 1 sigma uncert. Freq or Vel. : 1.65 microns (OBS )= 1.82E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 123308.93 +270540.2 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : 14.0 x 14.0 arcsec aperture.
No. 11 Reference Code : 2006AJ....131.1163S Freq. targeted : H (2MASS/FLWO) Measurement : 14.284 mag = 1.98E-29 W m^-2^ Hz^-1^ Uncertainty : 0.153 mag = 2.79E-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. 12 Reference Code : 2006AJ....131.1163S Freq. targeted : H (2MASS/FLWO) Measurement : 13.309 mag = 4.86E-29 W m^-2^ Hz^-1^ Uncertainty : 0.016 mag = 7.16E-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. 13 Reference Code : 2006AJ....131.1163S Freq. targeted : K_s (2MASS/FLWO) Measurement : 12.861 mag = 4.78E-29 W m^-2^ Hz^-1^ Uncertainty : 0.046 mag = 2.03E-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. 14 Reference Code : 2006AJ....131.1163S Freq. targeted : K_s (2MASS/FLWO) Measurement : 13.759 mag = 2.09E-29 W m^-2^ Hz^-1^ Uncertainty : 0.122 mag = 2.35E-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. 15 Reference Code : 20032MASX.C.......: Freq. targeted : K_s Measurement : 12.036 mag = 1.02E-28 W m^-2^ Hz^-1^ Uncertainty : 0.069 mag = 6.71E-30 Significance : 1 sigma uncert. Freq or Vel. : 2.17 microns (OBS )= 1.38E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 123308.93 +270540.2 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : 35.4 x 10.6 arcsec integration area.
No. 16 Reference Code : 20032MASX.C.......: Freq. targeted : K_s_14arcsec (2MASS) Measurement : 12.413 mag = 7.22E-29 W m^-2^ Hz^-1^ Uncertainty : 0.044 mag = 2.99E-30 Significance : 1 sigma uncert. Freq or Vel. : 2.17 microns (OBS )= 1.38E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 123308.93 +270540.2 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : 14.0 x 14.0 arcsec aperture.
No. 17 Reference Code : 20032MASX.C.......: Freq. targeted : K_s Measurement : 11.931 mag = 1.13E-28 W m^-2^ Hz^-1^ Uncertainty : 0.072 mag = 7.72E-30 Significance : 1 sigma uncert. Freq or Vel. : 2.17 microns (OBS )= 1.38E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 123308.93 +270540.2 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers :
No. 18 Reference Code : 1990IRASF.C...0000M Freq. targeted : 12 microns (IRAS) Measurement : <1.092E-01 Jy < 1.09E-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: 123041.3 +272210 (B1950) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers :
No. 19 Reference Code : 1990IRASF.C...0000M Freq. targeted : 25 microns (IRAS) Measurement : <1.561E-01 Jy < 1.56E-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: 123041.3 +272210 (B1950) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers :
No. 20 Reference Code : 1990IRASF.C...0000M Freq. targeted : 60 microns (IRAS) Measurement : 4.067E-01 Jy = 4.07E-27 W m^-2^ Hz^-1^ Uncertainty : 12 % Jy = 4.88E-28 Significance : uncertainty Freq or Vel. : 60 microns (OBS )= 5.00E+12 Hz Frequency mode : Broad-band measurement Coord. targeted: 123041.3 +272210 (B1950) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : IRAS quality flag = 3
No. 21 Reference Code : 1990IRASF.C...0000M Freq. targeted : 100 microns (IRAS) Measurement : 1.098E+00 Jy = 1.10E-26 W m^-2^ Hz^-1^ Uncertainty : 14 % Jy = 1.54E-27 Significance : uncertainty Freq or Vel. : 100 microns (OBS )= 3.00E+12 Hz Frequency mode : Broad-band measurement Coord. targeted: 123041.3 +272210 (B1950) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : IRAS quality flag = 2
No. 22 Reference Code : 1998AJ....115.1693C Freq. targeted : 1.4GHz Measurement : 4.4 milliJy = 4.40E-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: 12 33 8.93 +27 05 44.5 (J2000) Spatial mode : Flux integrated from map Notes : From new raw data Qualifiers :

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