NASA/IPAC EXTRAGALACTIC DATABASE
Date and Time of the Query: 2019-08-17 T16:39:26 PDT
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Spectral Energy Distribution (SED) for IC 3044:

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 UV_2500 (m_T) ... >15.63 mag 1.20E+15 < 1.67E-04 Jy Broad-band 1995A&AS..114..527R 1
2 B (m_B) 14.10 +/- 0.14 mag 6.81E+14 9.76E-03 +/- 1.34E-03 Jy Broad-band 1991RC3.9.C...0000d 2
3 B (B_T^0) 13.51 ... mag 6.81E+14 1.68E-02 ... Jy Broad-band 1991RC3.9.C...0000d 3
4 B (B_T) 14.24 +/- 0.15 mag 6.81E+14 8.58E-03 +/- 1.27E-03 Jy Broad-band 1991RC3.9.C...0000d 4
5 m_p 14.7 +/- 0.4 mag 6.81E+14 5.62E-03 +/- 2.50E-03 Jy Broad-band 1961CGCG1.C...0000Z 5
6 R (Johnson) (JKT) 13.69 +/- 0.05 mag 4.70E+14 9.66E-03 +/- 4.45E-04 Jy Broad-band 2004A&A...414...23J 6
7 H{alpha}+[NII] (JKT) 2.5E-16 +/- 0.25E-16 W/m^2^ 4.56E+14 2.50E+10 +/- 2.50E+09 Jy-Hz Line 2004A&A...414...23J 7
8 HI (21 cm line) 15.26 +/- 0.20 m_21 mag 1.42E+09 3.44E+04 +/- 6.95E+03 Jy-Hz Line m_21 equiv. to S(HI) = 3.436E-22 W m^-2 1991RC3.9.C...0000d 8
9 HI (21cm) (Arecibo) 8.05 +/- 0.06 Jy km/s 1.42E+09 3.80E+04 +/- 2.83E+02 Jy-Hz Line 2007AJ....133.2569G 9
10 HI (21 cm line) 6.14 ... Jy km s^-1^ 1.42E+09 2.90E+04 ... Jy-Hz Line 1989H&RHI.C...0000H 10
11 HI (21 cm line) 9.18 ... Jy km s^-1^ 1.42E+09 4.34E+04 ... Jy-Hz Line 1989H&RHI.C...0000H 11


Detailed Information for Each Entry

 No. 1
Reference Code : 1995A&AS..114..527R
Freq. targeted : UV_2500 (m_T)       
Measurement    : >15.63       mag                  < 1.67E-30 W m^-2^ Hz^-1^      
Uncertainty    :
Significance   : mean error
Freq or Vel.   : 2500         A            (OBS   )= 1.20E+15 Hz
Frequency mode : Broad-band measurement; broad-band flux derived by
                 integration over spectrum; synthetic band
Coord. targeted: 121015          141516 (B1950)
Spatial mode   : Multiple methods
Notes          : Homogenized from previously published data
Qualifiers     :                                         

No. 2 Reference Code : 1991RC3.9.C...0000d Freq. targeted : B (m_B) Measurement : 14.10 mag = 9.76E-29 W m^-2^ Hz^-1^ Uncertainty : 0.14 mag = 1.34E-29 Significance : rms uncertainty Freq or Vel. : 4400 A (OBS )= 6.81E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 121015.5 +141516 (B1950) Spatial mode : Multiple methods Notes : Homogenized from new and previously published data; Standard Johnson UBVRI filters assumed Qualifiers :
No. 3 Reference Code : 1991RC3.9.C...0000d Freq. targeted : B (B_T^0) Measurement : 13.51 mag = 1.68E-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: 121015.5 +141516 (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. 4 Reference Code : 1991RC3.9.C...0000d Freq. targeted : B (B_T) Measurement : 14.24 mag = 8.58E-29 W m^-2^ Hz^-1^ Uncertainty : 0.15 mag = 1.27E-29 Significance : rms uncertainty Freq or Vel. : 4400 A (OBS )= 6.81E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 121015.5 +141516 (B1950) Spatial mode : Flux integrated from map Notes : Homogenized from new and previously published data; Standard Johnson UBVRI filters assumed Qualifiers :
No. 5 Reference Code : 1961CGCG1.C...0000Z Freq. targeted : m_p Measurement : 14.7 mag = 5.62E-29 W m^-2^ Hz^-1^ Uncertainty : 0.4 mag = 2.50E-29 Significance : rms noise Freq or Vel. : 4400 A (OBS )= 6.81E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 121018.0 +141500. (B1950) Spatial mode : Estimated by eye Notes : From new raw data Qualifiers :
No. 6 Reference Code : 2004A&A...414...23J Freq. targeted : R (Johnson) (JKT) Measurement : 13.69 mag = 9.66E-29 W m^-2^ Hz^-1^ Uncertainty : 0.05 mag = 4.45E-30 Significance : uncertainty Freq or Vel. : 6373 A (OBS )= 4.70E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: Spatial mode : Total flux Notes : From new raw data Qualifiers :
No. 7 Reference Code : 2004A&A...414...23J Freq. targeted : H{alpha}+[NII] (JKT) Measurement : 2.5E-16 W/m^2^ = 2.50E-16 W m^-2^ Uncertainty : 0.25E-16 W/m^2^ = 2.50E-17 Significance : uncertainty Freq or Vel. : 6574 A (REST )= 4.56E+14 Hz Frequency mode : Line measurement; flux integrated over line Coord. targeted: Spatial mode : Total flux Notes : From new raw data Qualifiers :
No. 8 Reference Code : 1991RC3.9.C...0000d Freq. targeted : HI (21 cm line) Measurement : 15.26 m_21 mag = 3.44E-22 W m^-2^ Uncertainty : 0.20 m_21 mag = 6.95E-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: 121015.5 +141516 (B1950) Spatial mode : Multiple methods Notes : Homogenized from new and previously published data Qualifiers : m_21 equiv. to S(HI) = 3.436E-22 W m^-2
No. 9 Reference Code : 2007AJ....133.2569G Freq. targeted : HI (21cm) (Arecibo) Measurement : 8.05 Jy km/s = 3.80E-22 W m^-2^ Uncertainty : 0.06 Jy km/s = 2.83E-24 Significance : estimated error Freq or Vel. : -184 km s^-1^ (REST )= 1.42E+09 Hz Frequency mode : Line measurement; flux integrated over line; lines measured in emission Coord. targeted: 12 12 49.6 +13 58 40 (J2000) Spatial mode : Flux integrated from map Notes : From new raw data Qualifiers :
No. 10 Reference Code : 1989H&RHI.C...0000H Freq. targeted : HI (21 cm line) Measurement : 6.14 Jy km s^-1^ = 2.90E-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: 121015.5 +141513. (B1950) Spatial mode : Not reported in paper Notes : Transformed from previously published data Qualifiers :
No. 11 Reference Code : 1989H&RHI.C...0000H Freq. targeted : HI (21 cm line) Measurement : 9.18 Jy km s^-1^ = 4.34E-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: 121015.5 +141513. (B1950) Spatial mode : Not reported in paper Notes : Transformed from previously published data Qualifiers :

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