NASA/IPAC EXTRAGALACTIC DATABASE
Date and Time of the Query: 2019-02-19 T05:51:34 PST
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Spectral Energy Distribution (SED) for NGC 3808:

7 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 14.1 +/- 0.4 mag 6.81E+14 9.76E-03 +/- 4.35E-03 Jy Broad-band 1963CGCG2.C...0000Z 1
2 2380 MHz 14. +/- 3. milliJy 2.38E+09 1.40E-02 +/- 3.00E-03 Jy Broad-band 1978ApJS...36...53D 2
3 HI (21 cm line) 4.20 ... Jy km s^-1^ 1.42E+09 1.94E+04 ... Jy-Hz Line 1989H&RHI.C...0000H 3
4 HI (21 cm line) 2.20 ... Jy km s^-1^ 1.42E+09 1.01E+04 ... Jy-Hz Line 1989H&RHI.C...0000H 4
5 HI 21cm line 3.49 +/- 5.9 % Jy km s^-1^ 1.42E+09 1.61E+04 +/- 9.47E+02 Jy-Hz Line 1997AJ....113.1197H 5
6 HI (21 cm line) 3.38 ... Jy km s^-1^ 1.42E+09 1.56E+04 ... Jy-Hz Line 1989H&RHI.C...0000H 6
7 HI (21 cm line) 3.50 ... Jy km s^-1^ 1.42E+09 1.61E+04 ... Jy-Hz Line 1989H&RHI.C...0000H 7


Detailed Information for Each Entry

 No. 1
Reference Code : 1963CGCG2.C...0000Z
Freq. targeted : m_p                 
Measurement    :  14.1        mag                  = 9.76E-29 W m^-2^ Hz^-1^
Uncertainty    :  0.4         mag                  = 4.35E-29
Significance   : rms noise
Freq or Vel.   : 4400         A            (OBS   )= 6.81E+14 Hz
Frequency mode : Broad-band measurement
Coord. targeted: 113812.0        +224300. (B1950)
Spatial mode   : Estimated by eye
Notes          : From new raw data
Qualifiers     :                                         

No. 2 Reference Code : 1978ApJS...36...53D Freq. targeted : 2380 MHz Measurement : 14. milliJy = 1.40E-28 W m^-2^ Hz^-1^ Uncertainty : 3. milliJy = 3.00E-29 Significance : rms uncertainty Freq or Vel. : 2380 MHz (OBS )= 2.38E+09 Hz Frequency mode : Broad-band measurement; peak value reported Coord. targeted: Spatial mode : Peak flux Notes : From new raw data Qualifiers :
No. 3 Reference Code : 1989H&RHI.C...0000H Freq. targeted : HI (21 cm line) Measurement : 4.20 Jy km s^-1^ = 1.94E-22 W m^-2^ Uncertainty : Jy km s^-1^ = 0.00E+00 Significance : no uncertainty reported Freq or Vel. : 21 cm (REST )= 1.42E+09 Hz Frequency mode : Line measurement; flux integrated over line; lines measured in emission Coord. targeted: 113808.2 +224250. (B1950) Spatial mode : Not reported in paper Notes : Transformed from previously published data Qualifiers :
No. 4 Reference Code : 1989H&RHI.C...0000H Freq. targeted : HI (21 cm line) Measurement : 2.20 Jy km s^-1^ = 1.01E-22 W m^-2^ Uncertainty : Jy km s^-1^ = 0.00E+00 Significance : no uncertainty reported Freq or Vel. : 21 cm (REST )= 1.42E+09 Hz Frequency mode : Line measurement; flux integrated over line; lines measured in emission Coord. targeted: 113808.5 +224322. (B1950) Spatial mode : Not reported in paper Notes : Transformed from previously published data Qualifiers :
No. 5 Reference Code : 1997AJ....113.1197H Freq. targeted : HI 21cm line Measurement : 3.49 Jy km s^-1^ = 1.61E-22 W m^-2^ Uncertainty : 5.9 % Jy km s^-1^ = 9.47E-24 Significance : rms noise Freq or Vel. : 7076 km sec^-1^ (REST )= 1.42E+09 Hz Frequency mode : Line measurement; flux integrated over line; lines measured in emission Coord. targeted: 113807.9 +224218 (B1950) Spatial mode : Integrated from scans; Pointing and beam filling corrected Notes : From new raw data; Corrected for contaminating sources Qualifiers :
No. 6 Reference Code : 1989H&RHI.C...0000H Freq. targeted : HI (21 cm line) Measurement : 3.38 Jy km s^-1^ = 1.56E-22 W m^-2^ Uncertainty : Jy km s^-1^ = 0.00E+00 Significance : no uncertainty reported Freq or Vel. : 21 cm (REST )= 1.42E+09 Hz Frequency mode : Line measurement; flux integrated over line; lines measured in emission Coord. targeted: 113808.5 +224322. (B1950) Spatial mode : Not reported in paper Notes : Transformed from previously published data Qualifiers :
No. 7 Reference Code : 1989H&RHI.C...0000H Freq. targeted : HI (21 cm line) Measurement : 3.50 Jy km s^-1^ = 1.61E-22 W m^-2^ Uncertainty : Jy km s^-1^ = 0.00E+00 Significance : no uncertainty reported Freq or Vel. : 21 cm (REST )= 1.42E+09 Hz Frequency mode : Line measurement; flux integrated over line; lines measured in emission Coord. targeted: 113808.5 +224322. (B1950) Spatial mode : Not reported in paper Notes : Transformed from previously published data Qualifiers :

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