NASA/IPAC EXTRAGALACTIC DATABASE
Date and Time of the Query: 2022-01-19 T05:37:38 PST
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Spectral Energy Distribution (SED) for MESSIER 042:

20 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 14-195 keV (Swift) 6.54E-12 +/- 5.17E-12 erg/s/cm^2^ 2.53E+19 2.58E-08 +/- 2.04E-08 Jy Broad-band S/N = 5.82 ; power law model 2018ApJS..235....4O 1
2 2-10 keV (BeppoSAX) 6.40E-11 +/- 1.10E-11 erg/cm^2^/s 1.45E+18 4.41E-06 +/- 7.59E-07 Jy Broad-band 2007A&A...472..705V 2
3 0.5-7 keV Chandra 2.6894E-12 +/- 1.4487E-14 erg/cm^2/s 5.56E+17 4.84E-07 +/- 2.60E-09 Jy Broad-band flux_aper;var;ext 2020CSC...C2..0000: 3
4 0.5-7 keV Chandra 7.9870E-13 +/- 1.3292E-14 erg/cm^2/s 5.56E+17 1.44E-07 +/- 2.39E-09 Jy Broad-band flux_aper90;var;ext 2020CSC...C2..0000: 4
5 1.2-2 keV Chandra 4.8162E-13 +/- 4.4795E-15 erg/cm^2/s 3.77E+17 1.28E-07 +/- 1.19E-09 Jy Broad-band flux_aper;var;ext 2020CSC...C2..0000: 5
6 1.2-2 keV Chandra 2.3308E-15 +/- 3.4304E-16 erg/cm^2/s 3.77E+17 6.18E-10 +/- 9.09E-11 Jy Broad-band flux_aper90;var;ext 2020CSC...C2..0000: 6
7 0.1-10 keV Chandra 2.3496E-11 +/- 7.8708E-14 erg/cm^2/s 3.63E+17 6.48E-06 +/- 2.17E-08 Jy Broad-band flux_aper_avg;var;ext 2020CSC...C2..0000: 7
8 0.1-10 keV Chandra 2.1538E-11 +/- 7.8222E-14 erg/cm^2/s 3.63E+17 5.94E-06 +/- 2.16E-08 Jy Broad-band flux_aper90_avg;var;ext 2020CSC...C2..0000: 8
9 0.5-1.2 keV Chandra 5.2517E-13 +/- 4.4354E-15 erg/cm^2/s 2.22E+17 2.36E-07 +/- 1.99E-09 Jy Broad-band flux_aper;var;ext 2020CSC...C2..0000: 9
10 0.5-1.2 keV Chandra 2.3279E-14 +/- 1.0733E-15 erg/cm^2/s 2.22E+17 1.05E-08 +/- 4.82E-10 Jy Broad-band flux_aper90;var;ext 2020CSC...C2..0000: 10
11 0.2-0.5 keV Chandra 1.6967E-12 +/- 1.6916E-14 erg/cm^2/s 9.67E+16 1.75E-06 +/- 1.75E-08 Jy Broad-band flux_aper;var;ext 2020CSC...C2..0000: 11
12 0.2-0.5 keV Chandra 9.6254E-13 +/- 1.5016E-14 erg/cm^2/s 9.67E+16 9.95E-07 +/- 1.55E-08 Jy Broad-band flux_aper90;var;ext 2020CSC...C2..0000: 12
13 61 GHz (WMAP) 290.8 +/- 8.0 Jy 6.10E+10 2.91E+02 +/- 8.00E+00 Jy Broad-band 2008ApJ...681..747C 13
14 20 GHz (ATCA) 1657 +/- 29 milliJy 1.99E+10 1.66E+00 +/- 2.90E-02 Jy Broad-band Flux may be unreliable 2010MNRAS.402.2403M 14
15 1410 MHz 410.0 ... Jy 1.41E+09 4.10E+02 ... Jy Broad-band 1990PKS90.C...0000W 15
16 1.40 GHz 33590 ... milliJy 1.40E+09 3.36E+01 ... Jy Broad-band 1992ApJS...79..331W 16
17 408 MHz 40.30 +/- 0.87 Jy 4.08E+08 4.03E+01 +/- 8.70E-01 Jy Broad-band Complex extended source;flux density low 1981MNRAS.194..693L 17
18 408 MHz 450.0 ... Jy 4.08E+08 4.50E+02 ... Jy Broad-band 1990PKS90.C...0000W 18
19 178 MHz 10.6 +/- 8.0 % Jy 1.78E+08 1.06E+01 +/- 8.48E-01 Jy Broad-band 1967MmRAS..71...49G 19
20 145 MHz (PAPER) 83.8 ... Jy 1.45E+08 8.38E+01 ... Jy Broad-band 2011ApJ...734L..34J 20


Detailed Information for Each Entry

 No. 1
Reference Code : 2018ApJS..235....4O
Freq. targeted : 14-195 keV (Swift)  
Measurement    :  6.54E-12    erg/s/cm^2^          = 6.54E-15 W m^-2^
Uncertainty    :  5.17E-12    erg/s/cm^2^          = 5.17E-15
Significance   : 90% confidence
Freq or Vel.   :     104.50   keV          (OBS   )= 2.53E+19 Hz
Frequency mode : Broad-band measurement
Coord. targeted: 083.80336349    -05.34927260 (J2000)
Spatial mode   : From fitting to map
Notes          : From new raw data; NED frequency assigned to mid-point of
                 band in keV
Qualifiers     : S/N = 5.82 ; power law model            

No. 2 Reference Code : 2007A&A...472..705V Freq. targeted : 2-10 keV (BeppoSAX) Measurement : 6.40E-11 erg/cm^2^/s = 6.40E-14 W m^-2^ Uncertainty : 1.10E-11 erg/cm^2^/s = 1.10E-14 Significance : uncertainty Freq or Vel. : 6.00 keV (OBS )= 1.45E+18 Hz Frequency mode : Broad-band measurement Coord. targeted: 05 35 18.7 -05 25 21.0 (J2000) Spatial mode : Flux integrated from map Notes : From new raw data; Extinction-corrected for Milky Way; NED frequency assigned to mid-point of band in keV Qualifiers :
No. 3 Reference Code : 2020CSC...C2..0000: Freq. targeted : 0.5-7 keV Chandra Measurement : 2.6894E-12 erg/cm^2/s = 2.69E-15 W m^-2^ Uncertainty : 1.4487E-14 erg/cm^2/s = 1.45E-17 Significance : 68% confidence Freq or Vel. : 2.3 keV (OBS )= 5.56E+17 Hz Frequency mode : Broad-band measurement Coord. targeted: Spatial mode : Flux in fixed aperture Notes : From new raw data; Uncorrected for known sources in beam Qualifiers : flux_aper;var;ext
No. 4 Reference Code : 2020CSC...C2..0000: Freq. targeted : 0.5-7 keV Chandra Measurement : 7.9870E-13 erg/cm^2/s = 7.99E-16 W m^-2^ Uncertainty : 1.3292E-14 erg/cm^2/s = 1.33E-17 Significance : 68% confidence Freq or Vel. : 2.3 keV (OBS )= 5.56E+17 Hz Frequency mode : Broad-band measurement Coord. targeted: Spatial mode : From fitting to map Notes : From new raw data; Uncorrected for known sources in beam Qualifiers : flux_aper90;var;ext
No. 5 Reference Code : 2020CSC...C2..0000: Freq. targeted : 1.2-2 keV Chandra Measurement : 4.8162E-13 erg/cm^2/s = 4.82E-16 W m^-2^ Uncertainty : 4.4795E-15 erg/cm^2/s = 4.48E-18 Significance : 68% confidence Freq or Vel. : 1.56 keV (OBS )= 3.77E+17 Hz Frequency mode : Broad-band measurement Coord. targeted: Spatial mode : Flux in fixed aperture Notes : From new raw data; Uncorrected for known sources in beam Qualifiers : flux_aper;var;ext
No. 6 Reference Code : 2020CSC...C2..0000: Freq. targeted : 1.2-2 keV Chandra Measurement : 2.3308E-15 erg/cm^2/s = 2.33E-18 W m^-2^ Uncertainty : 3.4304E-16 erg/cm^2/s = 3.43E-19 Significance : 68% confidence Freq or Vel. : 1.56 keV (OBS )= 3.77E+17 Hz Frequency mode : Broad-band measurement Coord. targeted: Spatial mode : From fitting to map Notes : From new raw data; Uncorrected for known sources in beam Qualifiers : flux_aper90;var;ext
No. 7 Reference Code : 2020CSC...C2..0000: Freq. targeted : 0.1-10 keV Chandra Measurement : 2.3496E-11 erg/cm^2/s = 2.35E-14 W m^-2^ Uncertainty : 7.8708E-14 erg/cm^2/s = 7.87E-17 Significance : 68% confidence Freq or Vel. : 1.5 keV (OBS )= 3.63E+17 Hz Frequency mode : Broad-band measurement Coord. targeted: Spatial mode : Flux in fixed aperture Notes : From new raw data; Uncorrected for known sources in beam Qualifiers : flux_aper_avg;var;ext
No. 8 Reference Code : 2020CSC...C2..0000: Freq. targeted : 0.1-10 keV Chandra Measurement : 2.1538E-11 erg/cm^2/s = 2.15E-14 W m^-2^ Uncertainty : 7.8222E-14 erg/cm^2/s = 7.82E-17 Significance : 68% confidence Freq or Vel. : 1.5 keV (OBS )= 3.63E+17 Hz Frequency mode : Broad-band measurement Coord. targeted: Spatial mode : From fitting to map Notes : From new raw data; Uncorrected for known sources in beam Qualifiers : flux_aper90_avg;var;ext
No. 9 Reference Code : 2020CSC...C2..0000: Freq. targeted : 0.5-1.2 keV Chandra Measurement : 5.2517E-13 erg/cm^2/s = 5.25E-16 W m^-2^ Uncertainty : 4.4354E-15 erg/cm^2/s = 4.44E-18 Significance : 68% confidence Freq or Vel. : 0.92 keV (OBS )= 2.22E+17 Hz Frequency mode : Broad-band measurement Coord. targeted: Spatial mode : Flux in fixed aperture Notes : From new raw data; Uncorrected for known sources in beam Qualifiers : flux_aper;var;ext
No. 10 Reference Code : 2020CSC...C2..0000: Freq. targeted : 0.5-1.2 keV Chandra Measurement : 2.3279E-14 erg/cm^2/s = 2.33E-17 W m^-2^ Uncertainty : 1.0733E-15 erg/cm^2/s = 1.07E-18 Significance : 68% confidence Freq or Vel. : 0.92 keV (OBS )= 2.22E+17 Hz Frequency mode : Broad-band measurement Coord. targeted: Spatial mode : From fitting to map Notes : From new raw data; Uncorrected for known sources in beam Qualifiers : flux_aper90;var;ext
No. 11 Reference Code : 2020CSC...C2..0000: Freq. targeted : 0.2-0.5 keV Chandra Measurement : 1.6967E-12 erg/cm^2/s = 1.70E-15 W m^-2^ Uncertainty : 1.6916E-14 erg/cm^2/s = 1.69E-17 Significance : 68% confidence Freq or Vel. : 0.4 keV (OBS )= 9.67E+16 Hz Frequency mode : Broad-band measurement Coord. targeted: Spatial mode : Flux in fixed aperture Notes : From new raw data; Uncorrected for known sources in beam Qualifiers : flux_aper;var;ext
No. 12 Reference Code : 2020CSC...C2..0000: Freq. targeted : 0.2-0.5 keV Chandra Measurement : 9.6254E-13 erg/cm^2/s = 9.63E-16 W m^-2^ Uncertainty : 1.5016E-14 erg/cm^2/s = 1.50E-17 Significance : 68% confidence Freq or Vel. : 0.4 keV (OBS )= 9.67E+16 Hz Frequency mode : Broad-band measurement Coord. targeted: Spatial mode : From fitting to map Notes : From new raw data; Uncorrected for known sources in beam Qualifiers : flux_aper90;var;ext
No. 13 Reference Code : 2008ApJ...681..747C Freq. targeted : 61 GHz (WMAP) Measurement : 290.8 Jy = 2.91E-24 W m^-2^ Hz^-1^ Uncertainty : 8.0 Jy = 8.00E-26 Significance : uncertainty Freq or Vel. : 61 GHz (OBS )= 6.10E+10 Hz Frequency mode : Broad-band measurement Coord. targeted: 05 35 16 -05 23 29 (J2000) Spatial mode : Flux integrated from map Notes : From reprocessed raw data Qualifiers :
No. 14 Reference Code : 2010MNRAS.402.2403M Freq. targeted : 20 GHz (ATCA) Measurement : 1657 milliJy = 1.66E-26 W m^-2^ Hz^-1^ Uncertainty : 29 milliJy = 2.90E-28 Significance : rms uncertainty Freq or Vel. : 19.904 GHz (OBS )= 1.99E+10 Hz Frequency mode : Broad-band measurement Coord. targeted: 05 35 16.81 -05 23 15.8 (J2000) Spatial mode : Flux integrated from map Notes : From new raw data Qualifiers : Flux may be unreliable
No. 15 Reference Code : 1990PKS90.C...0000W Freq. targeted : 1410 MHz Measurement : 410.0 Jy = 4.10E-24 W m^-2^ Hz^-1^ Uncertainty : Jy = 0.00E+00 Significance : no uncertainty reported Freq or Vel. : 1410 MHz (OBS )= 1.41E+09 Hz Frequency mode : Broad-band measurement Coord. targeted: 05 32 51.0 -05 25 00 (B1950) Spatial mode : Integrated from scans Notes : Homogenized from new and previously published data Qualifiers :
No. 16 Reference Code : 1992ApJS...79..331W Freq. targeted : 1.40 GHz Measurement : 33590 milliJy = 3.36E-25 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: 053249.1 -052537 (B1950) Spatial mode : Flux integrated from map Notes : From new raw data Qualifiers :
No. 17 Reference Code : 1981MNRAS.194..693L Freq. targeted : 408 MHz Measurement : 40.30 Jy = 4.03E-25 W m^-2^ Hz^-1^ Uncertainty : 0.87 Jy = 8.70E-27 Significance : rms noise Freq or Vel. : 408 MHz (OBS )= 4.08E+08 Hz Frequency mode : Broad-band measurement Coord. targeted: 053249.8 -052522 (B1950) Spatial mode : Modelled datum Notes : From new raw data; Corrected for contaminating sources Qualifiers : Complex extended source;flux density low
No. 18 Reference Code : 1990PKS90.C...0000W Freq. targeted : 408 MHz Measurement : 450.0 Jy = 4.50E-24 W m^-2^ Hz^-1^ Uncertainty : Jy = 0.00E+00 Significance : no uncertainty reported Freq or Vel. : 408 MHz (OBS )= 4.08E+08 Hz Frequency mode : Broad-band measurement Coord. targeted: 05 32 51.0 -05 25 00 (B1950) Spatial mode : Integrated from scans Notes : Homogenized from new and previously published data Qualifiers :
No. 19 Reference Code : 1967MmRAS..71...49G Freq. targeted : 178 MHz Measurement : 10.6 Jy = 1.06E-25 W m^-2^ Hz^-1^ Uncertainty : 8.0 % Jy = 8.48E-27 Significance : uncertainty Freq or Vel. : 178 MHz (OBS )= 1.78E+08 Hz Frequency mode : Broad-band measurement Coord. targeted: 053303.5 -051018 (B1950) Spatial mode : Integrated from scans Notes : From new raw data; Uncorrected for known sources in beam Qualifiers :
No. 20 Reference Code : 2011ApJ...734L..34J Freq. targeted : 145 MHz (PAPER) Measurement : 83.8 Jy = 8.38E-25 W m^-2^ Hz^-1^ Uncertainty : Jy = 0.00E+00 Significance : no uncertainty reported Freq or Vel. : 145 MHz (OBS )= 1.45E+08 Hz Frequency mode : Broad-band measurement Coord. targeted: 83.76 -5.38 (J2000) Spatial mode : Flux integrated from map Notes : From new raw data Qualifiers :

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