NASA/IPAC EXTRAGALACTIC DATABASE
Date and Time of the Query: 2019-05-24 T07:39:43 PDT
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Spectral Energy Distribution (SED) for MESSIER 057:

11 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 12 microns (IRAS) 1.041E+00 +/- 5 % Jy 2.50E+13 1.04E+00 +/- 5.21E-02 Jy Broad-band IRAS quality flag = 3 1990IRASF.C...0000M 1
2 25 microns (IRAS) 1.118E+01 +/- 5 % Jy 1.20E+13 1.12E+01 +/- 5.21E-02 Jy Broad-band IRAS quality flag = 3 1990IRASF.C...0000M 2
3 60 microns (IRAS) 5.295E+01 +/- 5 % Jy 5.00E+12 5.30E+01 +/- 2.65E+00 Jy Broad-band IRAS quality flag = 2 1990IRASF.C...0000M 3
4 100 microns (IRAS) 5.418E+01 +/- 6 % Jy 3.00E+12 5.42E+01 +/- 3.25E+00 Jy Broad-band IRAS quality flag = 2 1990IRASF.C...0000M 4
5 4.85 GHz 341 +/- 43 milliJy 4.85E+09 3.41E-01 +/- 4.30E-02 Jy Broad-band 1991ApJS...75.1011G 5
6 4.85 GHz 336 +/- 15 % milliJy 4.85E+09 3.36E-01 +/- 5.04E-02 Jy Broad-band 1991ApJS...75....1B 6
7 4830 MHz (NRAO) 401 ... milliJy 4.83E+09 4.01E-01 ... Jy Broad-band S/N = 62 1990ApJS...72..621L 7
8 4830 MHz (NRAO) 494 ... milliJy 4.83E+09 4.94E-01 ... Jy Broad-band S/N = 76 1990ApJS...74..129G 8
9 1.40 GHz 464 ... milliJy 1.40E+09 4.64E-01 ... Jy Broad-band 1992ApJS...79..331W 9
10 1.4GHz 422.7 +/- 13.9 milliJy 1.40E+09 4.23E-01 +/- 1.39E-02 Jy Broad-band High peak 1998AJ....115.1693C 10
11 408 MHz 0.450 +/- 0.05 Jy 4.08E+08 4.50E-01 +/- 5.00E-02 Jy Broad-band 1970A&AS....1..281C 11


Detailed Information for Each Entry

 No. 1
Reference Code : 1990IRASF.C...0000M
Freq. targeted : 12 microns (IRAS)   
Measurement    :  1.041E+00   Jy                   = 1.04E-26 W m^-2^ Hz^-1^
Uncertainty    :  5   %       Jy                   = 5.21E-28
Significance   : uncertainty
Freq or Vel.   :  12          microns      (OBS   )= 2.50E+13 Hz
Frequency mode : Broad-band measurement
Coord. targeted: 185142.6        +325754 (B1950)
Spatial mode   : Flux in fixed aperture
Notes          : From new raw data
Qualifiers     : IRAS quality flag = 3                   

No. 2 Reference Code : 1990IRASF.C...0000M Freq. targeted : 25 microns (IRAS) Measurement : 1.118E+01 Jy = 1.12E-25 W m^-2^ Hz^-1^ Uncertainty : 5 % Jy = 5.21E-28 Significance : uncertainty Freq or Vel. : 25 microns (OBS )= 1.20E+13 Hz Frequency mode : Broad-band measurement Coord. targeted: 185142.6 +325754 (B1950) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : IRAS quality flag = 3
No. 3 Reference Code : 1990IRASF.C...0000M Freq. targeted : 60 microns (IRAS) Measurement : 5.295E+01 Jy = 5.29E-25 W m^-2^ Hz^-1^ Uncertainty : 5 % Jy = 2.65E-26 Significance : uncertainty Freq or Vel. : 60 microns (OBS )= 5.00E+12 Hz Frequency mode : Broad-band measurement Coord. targeted: 185142.6 +325754 (B1950) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : IRAS quality flag = 2
No. 4 Reference Code : 1990IRASF.C...0000M Freq. targeted : 100 microns (IRAS) Measurement : 5.418E+01 Jy = 5.42E-25 W m^-2^ Hz^-1^ Uncertainty : 6 % Jy = 3.25E-26 Significance : uncertainty Freq or Vel. : 100 microns (OBS )= 3.00E+12 Hz Frequency mode : Broad-band measurement Coord. targeted: 185142.6 +325754 (B1950) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : IRAS quality flag = 2
No. 5 Reference Code : 1991ApJS...75.1011G Freq. targeted : 4.85 GHz Measurement : 341 milliJy = 3.41E-27 W m^-2^ Hz^-1^ Uncertainty : 43 milliJy = 4.30E-28 Significance : rms noise Freq or Vel. : 4.85 GHz (OBS )= 4.85E+09 Hz Frequency mode : Broad-band measurement Coord. targeted: 185143.8 +325740 (B1950) Spatial mode : Modelled datum Notes : From new raw data; Corrected for contaminating sources Qualifiers :
No. 6 Reference Code : 1991ApJS...75....1B Freq. targeted : 4.85 GHz Measurement : 336 milliJy = 3.36E-27 W m^-2^ Hz^-1^ Uncertainty : 15 % milliJy = 5.04E-28 Significance : uncertainty Freq or Vel. : 4.85 GHz (OBS )= 4.85E+09 Hz Frequency mode : Broad-band measurement Coord. targeted: 185143.9 +325740 (B1950) Spatial mode : Peak flux Notes : From new raw data; Corrected for contaminating sources Qualifiers :
No. 7 Reference Code : 1990ApJS...72..621L Freq. targeted : 4830 MHz (NRAO) Measurement : 401 milliJy = 4.01E-27 W m^-2^ Hz^-1^ Uncertainty : milliJy = 0.00E+00 Significance : no uncertainty reported Freq or Vel. : 4830 MHz (OBS )= 4.83E+09 Hz Frequency mode : Broad-band measurement Coord. targeted: 18 53 34.9 +33 01 18 (J2000) Spatial mode : Flux integrated from map Notes : From new raw data Qualifiers : S/N = 62
No. 8 Reference Code : 1990ApJS...74..129G Freq. targeted : 4830 MHz (NRAO) Measurement : 494 milliJy = 4.94E-27 W m^-2^ Hz^-1^ Uncertainty : milliJy = 0.00E+00 Significance : no uncertainty reported Freq or Vel. : 4830 MHz (OBS )= 4.83E+09 Hz Frequency mode : Broad-band measurement Coord. targeted: 18 53 37.2 +33 01 32 (J2000) Spatial mode : Flux integrated from map Notes : From new raw data Qualifiers : S/N = 76
No. 9 Reference Code : 1992ApJS...79..331W Freq. targeted : 1.40 GHz Measurement : 464 milliJy = 4.64E-27 W m^-2^ Hz^-1^ Uncertainty : milliJy = 0.00E+00 Significance : no uncertainty reported Freq or Vel. : 1.4 GHz (OBS )= 1.40E+09 Hz Frequency mode : Broad-band measurement Coord. targeted: 185143.9 +325740 (B1950) Spatial mode : Peak flux Notes : From new raw data Qualifiers :
No. 10 Reference Code : 1998AJ....115.1693C Freq. targeted : 1.4GHz Measurement : 422.7 milliJy = 4.23E-27 W m^-2^ Hz^-1^ Uncertainty : 13.9 milliJy = 1.39E-28 Significance : uncertainty Freq or Vel. : 1.40 GHz (OBS )= 1.40E+09 Hz Frequency mode : Broad-band measurement Coord. targeted: 18 53 35.08 +33 01 45.1 (J2000) Spatial mode : Flux integrated from map Notes : From new raw data Qualifiers : High peak
No. 11 Reference Code : 1970A&AS....1..281C Freq. targeted : 408 MHz Measurement : 0.450 Jy = 4.50E-27 W m^-2^ Hz^-1^ Uncertainty : 0.05 Jy = 5.00E-28 Significance : internal error Freq or Vel. : 408 MHz (OBS )= 4.08E+08 Hz Frequency mode : Broad-band measurement; peak value reported Coord. targeted: 185142.9 +325830. (B1950) Spatial mode : Peak flux Notes : From new raw data Qualifiers :

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