NASA/IPAC EXTRAGALACTIC DATABASE
Date and Time of the Query: 2019-06-20 T10:27:32 PDT
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Spectral Energy Distribution (SED) for NGC 5452:

9 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 B (m_B) 13.90 +/- 0.20 mag 6.81E+14 1.17E-02 +/- 2.37E-03 Jy Broad-band 1991RC3.9.C...0000d 1
2 B (m_B^0) 13.66 ... mag 6.81E+14 1.46E-02 ... Jy Broad-band 1991RC3.9.C...0000d 2
3 m_p 14.2 +/- 0.4 mag 6.81E+14 8.90E-03 +/- 3.96E-03 Jy Broad-band 1968CGCG4.C...0000Z 3
4 I 12.86 +/- 0.06 mag 3.79E+14 1.83E-02 +/- 1.01E-03 Jy Broad-band Observed magnitude 2007ApJS..172..599S 4
5 12 microns (IRAS) ... <4.329E-02 Jy 2.50E+13 < 4.33E-02 Jy Broad-band 1990IRASF.C...0000M 5
6 25 microns (IRAS) ... <7.372E-02 Jy 1.20E+13 < 7.37E-02 Jy Broad-band 1990IRASF.C...0000M 6
7 60 microns (IRAS) 1.529E-01 +/- 19 % Jy 5.00E+12 1.53E-01 +/- 2.91E-02 Jy Broad-band IRAS quality flag = 3 1990IRASF.C...0000M 7
8 100 microns (IRAS) 6.220E-01 +/- 20 % Jy 3.00E+12 6.22E-01 +/- 1.24E-01 Jy Broad-band IRAS quality flag = 2 1990IRASF.C...0000M 8
9 HI (21 cm line) 14.83 +/- 0.10 m_21 mag 1.42E+09 5.10E+04 +/- 4.92E+03 Jy-Hz Line m_21 equiv. to S(HI) = 5.105E-22 W m^-2 1991RC3.9.C...0000d 9


Detailed Information for Each Entry

 No. 1
Reference Code : 1991RC3.9.C...0000d
Freq. targeted : B (m_B)             
Measurement    :  13.90       mag                  = 1.17E-28 W m^-2^ Hz^-1^
Uncertainty    :  0.20        mag                  = 2.37E-29
Significance   : rms uncertainty
Freq or Vel.   : 4400         A            (OBS   )= 6.81E+14 Hz
Frequency mode : Broad-band measurement
Coord. targeted: 135426.8        +782756 (B1950)
Spatial mode   : Multiple methods
Notes          : Homogenized from new and previously published data; Standard
                 Johnson UBVRI filters assumed
Qualifiers     :                                         

No. 2 Reference Code : 1991RC3.9.C...0000d Freq. targeted : B (m_B^0) Measurement : 13.66 mag = 1.46E-28 W m^-2^ Hz^-1^ Uncertainty : mag = 0.00E+00 Significance : no uncertainty reported Freq or Vel. : 4400 A (OBS )= 6.81E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 135426.8 +782756 (B1950) Spatial mode : Multiple methods Notes : Homogenized from new and previously published data; Extinction-corrected for internal and Milky Way and K-correction applied; Standard Johnson UBVRI filters assumed Qualifiers :
No. 3 Reference Code : 1968CGCG4.C...0000Z Freq. targeted : m_p Measurement : 14.2 mag = 8.90E-29 W m^-2^ Hz^-1^ Uncertainty : 0.4 mag = 3.96E-29 Significance : rms noise Freq or Vel. : 4400 A (OBS )= 6.81E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 135430.0 +782800. (B1950) Spatial mode : Estimated by eye Notes : From new raw data Qualifiers :
No. 4 Reference Code : 2007ApJS..172..599S Freq. targeted : I Measurement : 12.86 mag = 1.83E-28 W m^-2^ Hz^-1^ Uncertainty : 0.06 mag = 1.01E-29 Significance : uncertainty Freq or Vel. : 7900 A (OBS )= 3.79E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 13 54 24.5 +78 13 15 (J2000) Spatial mode : Total flux Notes : Averaged new and previously published data; Standard Cousins R_C, I_C filters assumed Qualifiers : Observed magnitude
No. 5 Reference Code : 1990IRASF.C...0000M Freq. targeted : 12 microns (IRAS) Measurement : <4.329E-02 Jy < 4.33E-28 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: 135424.5 +782742 (B1950) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers :
No. 6 Reference Code : 1990IRASF.C...0000M Freq. targeted : 25 microns (IRAS) Measurement : <7.372E-02 Jy < 7.37E-28 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: 135424.5 +782742 (B1950) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers :
No. 7 Reference Code : 1990IRASF.C...0000M Freq. targeted : 60 microns (IRAS) Measurement : 1.529E-01 Jy = 1.53E-27 W m^-2^ Hz^-1^ Uncertainty : 19 % Jy = 2.90E-28 Significance : uncertainty Freq or Vel. : 60 microns (OBS )= 5.00E+12 Hz Frequency mode : Broad-band measurement Coord. targeted: 135424.5 +782742 (B1950) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : IRAS quality flag = 3
No. 8 Reference Code : 1990IRASF.C...0000M Freq. targeted : 100 microns (IRAS) Measurement : 6.220E-01 Jy = 6.22E-27 W m^-2^ Hz^-1^ Uncertainty : 20 % Jy = 1.24E-27 Significance : uncertainty Freq or Vel. : 100 microns (OBS )= 3.00E+12 Hz Frequency mode : Broad-band measurement Coord. targeted: 135424.5 +782742 (B1950) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : IRAS quality flag = 2
No. 9 Reference Code : 1991RC3.9.C...0000d Freq. targeted : HI (21 cm line) Measurement : 14.83 m_21 mag = 5.10E-22 W m^-2^ Uncertainty : 0.10 m_21 mag = 4.93E-23 Significance : rms uncertainty Freq or Vel. : 21 cm (REST )= 1.42E+09 Hz Frequency mode : Line measurement; flux integrated over line; lines measured in emission Coord. targeted: 135426.8 +782756 (B1950) Spatial mode : Multiple methods Notes : Homogenized from new and previously published data Qualifiers : m_21 equiv. to S(HI) = 5.105E-22 W m^-2

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