NASA/IPAC EXTRAGALACTIC DATABASE
Date and Time of the Query: 2019-06-18 T01:42:42 PDT
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Spectral Energy Distribution (SED) for NGC 6581:

16 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_p 15.4 +/- 0.4 mag 6.81E+14 2.95E-03 +/- 1.31E-03 Jy Broad-band 1963CGCG2.C...0000Z 1
2 J (2MASS/FLWO) 12.473 +/- 0.009 mag 2.43E+14 1.63E-02 +/- 1.35E-04 Jy Broad-band 4" aperture 2006AJ....131.1163S 2
3 J (2MASS/FLWO) 12.913 +/- 0.069 mag 2.43E+14 1.09E-02 +/- 6.92E-04 Jy Broad-band Profile-fit; Poor quality 2006AJ....131.1163S 3
4 J 11.713 +/- 0.020 mag 2.40E+14 3.29E-02 +/- 6.11E-04 Jy Broad-band 33.0 x 29.0 arcsec integration area. 20032MASX.C.......: 4
5 J 11.430 +/- 0.032 mag 2.40E+14 4.27E-02 +/- 1.28E-03 Jy Broad-band 20032MASX.C.......: 5
6 J_14arcsec (2MASS) 12.122 +/- 0.008 mag 2.40E+14 2.26E-02 +/- 1.67E-04 Jy Broad-band 14.0 x 14.0 arcsec aperture. 20032MASX.C.......: 6
7 H 10.733 +/- 0.034 mag 1.82E+14 5.21E-02 +/- 1.66E-03 Jy Broad-band 20032MASX.C.......: 7
8 H_14arcsec (2MASS) 11.357 +/- 0.010 mag 1.82E+14 2.93E-02 +/- 2.71E-04 Jy Broad-band 14.0 x 14.0 arcsec aperture. 20032MASX.C.......: 8
9 H 10.952 +/- 0.028 mag 1.82E+14 4.26E-02 +/- 1.11E-03 Jy Broad-band 33.0 x 29.0 arcsec integration area. 20032MASX.C.......: 9
10 H (2MASS/FLWO) 11.691 +/- 0.016 mag 1.80E+14 2.16E-02 +/- 3.18E-04 Jy Broad-band 4" aperture 2006AJ....131.1163S 10
11 H (2MASS/FLWO) 12.137 +/- 0.065 mag 1.80E+14 1.43E-02 +/- 8.56E-04 Jy Broad-band Profile-fit; Poor quality 2006AJ....131.1163S 11
12 K_s (2MASS/FLWO) 11.871 +/- 0.057 mag 1.39E+14 1.19E-02 +/- 6.25E-04 Jy Broad-band Profile-fit; Poor quality 2006AJ....131.1163S 12
13 K_s (2MASS/FLWO) 11.452 +/- 0.009 mag 1.39E+14 1.75E-02 +/- 1.45E-04 Jy Broad-band 4" aperture 2006AJ....131.1163S 13
14 K_s 10.469 +/- 0.042 mag 1.38E+14 4.33E-02 +/- 1.71E-03 Jy Broad-band 20032MASX.C.......: 14
15 K_s 10.737 +/- 0.035 mag 1.38E+14 3.38E-02 +/- 1.11E-03 Jy Broad-band 33.0 x 29.0 arcsec integration area. 20032MASX.C.......: 15
16 K_s_14arcsec (2MASS) 11.118 +/- 0.011 mag 1.38E+14 2.38E-02 +/- 2.42E-04 Jy Broad-band 14.0 x 14.0 arcsec aperture. 20032MASX.C.......: 16


Detailed Information for Each Entry

 No. 1
Reference Code : 1963CGCG2.C...0000Z
Freq. targeted : m_p                 
Measurement    :  15.4        mag                  = 2.95E-29 W m^-2^ Hz^-1^
Uncertainty    :  0.4         mag                  = 1.31E-29
Significance   : rms noise
Freq or Vel.   : 4400         A            (OBS   )= 6.81E+14 Hz
Frequency mode : Broad-band measurement
Coord. targeted: 181012.0        +253900. (B1950)
Spatial mode   : Estimated by eye
Notes          : From new raw data
Qualifiers     :                                         

No. 2 Reference Code : 2006AJ....131.1163S Freq. targeted : J (2MASS/FLWO) Measurement : 12.473 mag = 1.63E-28 W m^-2^ Hz^-1^ Uncertainty : 0.009 mag = 1.35E-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. 3 Reference Code : 2006AJ....131.1163S Freq. targeted : J (2MASS/FLWO) Measurement : 12.913 mag = 1.09E-28 W m^-2^ Hz^-1^ Uncertainty : 0.069 mag = 6.92E-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. 4 Reference Code : 20032MASX.C.......: Freq. targeted : J Measurement : 11.713 mag = 3.29E-28 W m^-2^ Hz^-1^ Uncertainty : 0.020 mag = 6.11E-30 Significance : 1 sigma uncert. Freq or Vel. : 1.25 microns (OBS )= 2.40E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 181218.43 +253944.4 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data; Corrected for contaminating sources Qualifiers : 33.0 x 29.0 arcsec integration area.
No. 5 Reference Code : 20032MASX.C.......: Freq. targeted : J Measurement : 11.430 mag = 4.27E-28 W m^-2^ Hz^-1^ Uncertainty : 0.032 mag = 1.28E-29 Significance : 1 sigma uncert. Freq or Vel. : 1.25 microns (OBS )= 2.40E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 181218.43 +253944.4 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers :
No. 6 Reference Code : 20032MASX.C.......: Freq. targeted : J_14arcsec (2MASS) Measurement : 12.122 mag = 2.26E-28 W m^-2^ Hz^-1^ Uncertainty : 0.008 mag = 1.67E-30 Significance : 1 sigma uncert. Freq or Vel. : 1.25 microns (OBS )= 2.40E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 181218.43 +253944.4 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : 14.0 x 14.0 arcsec aperture.
No. 7 Reference Code : 20032MASX.C.......: Freq. targeted : H Measurement : 10.733 mag = 5.21E-28 W m^-2^ Hz^-1^ Uncertainty : 0.034 mag = 1.66E-29 Significance : 1 sigma uncert. Freq or Vel. : 1.65 microns (OBS )= 1.82E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 181218.43 +253944.4 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers :
No. 8 Reference Code : 20032MASX.C.......: Freq. targeted : H_14arcsec (2MASS) Measurement : 11.357 mag = 2.93E-28 W m^-2^ Hz^-1^ Uncertainty : 0.010 mag = 2.71E-30 Significance : 1 sigma uncert. Freq or Vel. : 1.65 microns (OBS )= 1.82E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 181218.43 +253944.4 (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 : H Measurement : 10.952 mag = 4.26E-28 W m^-2^ Hz^-1^ Uncertainty : 0.028 mag = 1.11E-29 Significance : 1 sigma uncert. Freq or Vel. : 1.65 microns (OBS )= 1.82E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 181218.43 +253944.4 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data; Corrected for contaminating sources Qualifiers : 33.0 x 29.0 arcsec integration area.
No. 10 Reference Code : 2006AJ....131.1163S Freq. targeted : H (2MASS/FLWO) Measurement : 11.691 mag = 2.16E-28 W m^-2^ Hz^-1^ Uncertainty : 0.016 mag = 3.18E-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. 11 Reference Code : 2006AJ....131.1163S Freq. targeted : H (2MASS/FLWO) Measurement : 12.137 mag = 1.43E-28 W m^-2^ Hz^-1^ Uncertainty : 0.065 mag = 8.56E-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. 12 Reference Code : 2006AJ....131.1163S Freq. targeted : K_s (2MASS/FLWO) Measurement : 11.871 mag = 1.19E-28 W m^-2^ Hz^-1^ Uncertainty : 0.057 mag = 6.25E-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; Poor quality
No. 13 Reference Code : 2006AJ....131.1163S Freq. targeted : K_s (2MASS/FLWO) Measurement : 11.452 mag = 1.75E-28 W m^-2^ Hz^-1^ Uncertainty : 0.009 mag = 1.45E-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 : 20032MASX.C.......: Freq. targeted : K_s Measurement : 10.469 mag = 4.33E-28 W m^-2^ Hz^-1^ Uncertainty : 0.042 mag = 1.71E-29 Significance : 1 sigma uncert. Freq or Vel. : 2.17 microns (OBS )= 1.38E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 181218.43 +253944.4 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers :
No. 15 Reference Code : 20032MASX.C.......: Freq. targeted : K_s Measurement : 10.737 mag = 3.38E-28 W m^-2^ Hz^-1^ Uncertainty : 0.035 mag = 1.11E-29 Significance : 1 sigma uncert. Freq or Vel. : 2.17 microns (OBS )= 1.38E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 181218.43 +253944.4 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data; Corrected for contaminating sources Qualifiers : 33.0 x 29.0 arcsec integration area.
No. 16 Reference Code : 20032MASX.C.......: Freq. targeted : K_s_14arcsec (2MASS) Measurement : 11.118 mag = 2.38E-28 W m^-2^ Hz^-1^ Uncertainty : 0.011 mag = 2.42E-30 Significance : 1 sigma uncert. Freq or Vel. : 2.17 microns (OBS )= 1.38E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 181218.43 +253944.4 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : 14.0 x 14.0 arcsec aperture.

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