NASA/IPAC EXTRAGALACTIC DATABASE
Date and Time of the Query: 2019-06-16 T23:34:25 PDT
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Spectral Energy Distribution (SED) for IC 3517:

13 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 (B_T) 15.38 +/- 0.15 mag 6.81E+14 3.00E-03 +/- 4.45E-04 Jy Broad-band 1991RC3.9.C...0000d 1
2 B (m_B) 14.80 +/- 0.20 mag 6.81E+14 5.12E-03 +/- 1.04E-03 Jy Broad-band 1991RC3.9.C...0000d 2
3 B (B_T^0) 14.94 ... mag 6.81E+14 4.50E-03 ... Jy Broad-band 1991RC3.9.C...0000d 3
4 m_p 15.3 +/- 0.4 mag 6.81E+14 3.23E-03 +/- 1.44E-03 Jy Broad-band 1961CGCG1.C...0000Z 4
5 B (Johnson) 15.14 ... mag 6.81E+14 3.75E-03 ... Jy Broad-band 2006A&A...446..839G 5
6 H{alpha}+[N II] -13.26 +/- 0.08 log (erg/cm^2^/s) 4.56E+14 5.50E+09 +/- 1.01E+09 Jy-Hz Line 2006A&A...446..839G 6
7 I 13.55 ... mag 3.79E+14 9.70E-03 ... Jy Broad-band 2007ApJS..172..599S 7
8 I 13.76 +/- 0.12 mag 3.79E+14 7.99E-03 +/- 8.83E-04 Jy Broad-band Observed magnitude 2007ApJS..172..599S 8
9 HI (21 cm line) 17.30 +/- 0.20 m_21 mag 1.42E+09 5.25E+03 +/- 1.06E+03 Jy-Hz Line m_21 equiv. to S(HI) = 5.248E-23 W m^-2 1991RC3.9.C...0000d 9
10 HI 21cm (Arecibo) 0.98 +/- 0.06 Jy km/s 1.42E+09 4.62E+03 +/- 2.83E+02 Jy-Hz Line 2008AJ....136..713K 10
11 HI (observed) 0.99 +/- 0.22 Jy km s^-1^ 1.42E+09 4.67E+03 +/- 1.04E+03 Jy-Hz Line 1990ApJS...72..245S 11
12 HI (21 cm line) 1.55 ... Jy km s^-1^ 1.42E+09 7.31E+03 ... Jy-Hz Line 1989H&RHI.C...0000H 12
13 HI (21 cm line) 0.82 ... Jy km s^-1^ 1.42E+09 3.86E+03 ... Jy-Hz Line 1989H&RHI.C...0000H 13


Detailed Information for Each Entry

 No. 1
Reference Code : 1991RC3.9.C...0000d
Freq. targeted : B (B_T)             
Measurement    :  15.38       mag                  = 3.00E-29 W m^-2^ Hz^-1^
Uncertainty    :  0.15        mag                  = 4.45E-30
Significance   : rms uncertainty
Freq or Vel.   : 4400         A            (OBS   )= 6.81E+14 Hz
Frequency mode : Broad-band measurement
Coord. targeted: 123158.8        + 92554 (B1950)
Spatial mode   : Flux integrated from map
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) Measurement : 14.80 mag = 5.12E-29 W m^-2^ Hz^-1^ Uncertainty : 0.20 mag = 1.04E-29 Significance : rms uncertainty Freq or Vel. : 4400 A (OBS )= 6.81E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 123158.8 + 92554 (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 : 14.94 mag = 4.50E-29 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: 123158.8 + 92554 (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 : 1961CGCG1.C...0000Z Freq. targeted : m_p Measurement : 15.3 mag = 3.23E-29 W m^-2^ Hz^-1^ Uncertainty : 0.4 mag = 1.44E-29 Significance : rms noise Freq or Vel. : 4400 A (OBS )= 6.81E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 123200.0 +092600. (B1950) Spatial mode : Estimated by eye Notes : From new raw data Qualifiers :
No. 5 Reference Code : 2006A&A...446..839G Freq. targeted : B (Johnson) Measurement : 15.14 mag = 3.75E-29 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: 123430.74 +090917.20 (J2000) Spatial mode : Total flux Notes : From new raw data; Extinction-corrected for internal and Milky Way; Standard Johnson UBVRI filters assumed Qualifiers :
No. 6 Reference Code : 2006A&A...446..839G Freq. targeted : H{alpha}+[N II] Measurement : -13.26 log (erg/cm^2^/s) = 5.49E-17 W m^-2^ Uncertainty : 0.08 log (erg/cm^2^/s) = 1.01E-17 Significance : uncertainty Freq or Vel. : 6573 A (REST )= 4.56E+14 Hz Frequency mode : Line measurement; flux integrated over line; lines measured in emission Coord. targeted: Spatial mode : Flux integrated from map Notes : From new raw data Qualifiers :
No. 7 Reference Code : 2007ApJS..172..599S Freq. targeted : I Measurement : 13.55 mag = 9.70E-29 W m^-2^ Hz^-1^ Uncertainty : mag = 0.00E+00 Significance : no uncertainty reported Freq or Vel. : 7900 A (OBS )= 3.79E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 12 34 30.8 +09 09 17 (J2000) Spatial mode : Total flux Notes : Averaged new and previously published data; Extinction-corrected for Milky Way; Standard Cousins R_C, I_C filters assumed Qualifiers :
No. 8 Reference Code : 2007ApJS..172..599S Freq. targeted : I Measurement : 13.76 mag = 7.99E-29 W m^-2^ Hz^-1^ Uncertainty : 0.12 mag = 8.83E-30 Significance : uncertainty Freq or Vel. : 7900 A (OBS )= 3.79E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 12 34 30.8 +09 09 17 (J2000) Spatial mode : Total flux Notes : Averaged new and previously published data; Standard Cousins R_C, I_C filters assumed Qualifiers : Observed magnitude
No. 9 Reference Code : 1991RC3.9.C...0000d Freq. targeted : HI (21 cm line) Measurement : 17.30 m_21 mag = 5.25E-23 W m^-2^ Uncertainty : 0.20 m_21 mag = 1.06E-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: 123158.8 + 92554 (B1950) Spatial mode : Multiple methods Notes : Homogenized from new and previously published data Qualifiers : m_21 equiv. to S(HI) = 5.248E-23 W m^-2
No. 10 Reference Code : 2008AJ....136..713K Freq. targeted : HI 21cm (Arecibo) Measurement : 0.98 Jy km/s = 4.62E-23 W m^-2^ Uncertainty : 0.06 Jy km/s = 2.83E-24 Significance : estimated error Freq or Vel. : 439 km/s (REST )= 1.42E+09 Hz Frequency mode : Line measurement; flux integrated over line; lines measured in emission Coord. targeted: 12 34 32.6 +09 09 02 (J2000) Spatial mode : Flux integrated from map Notes : From new raw data Qualifiers :
No. 11 Reference Code : 1990ApJS...72..245S Freq. targeted : HI (observed) Measurement : 0.99 Jy km s^-1^ = 4.67E-23 W m^-2^ Uncertainty : 0.22 Jy km s^-1^ = 1.04E-23 Significance : internal error Freq or Vel. : 432 km s^-1^ (REST )= 1.42E+09 Hz Frequency mode : Line measurement; flux integrated over line; lines measured in emission Coord. targeted: 1232 1.0 +092600 (B1950) Spatial mode : Integrated from scans Notes : From new raw data; Uncorrected for known sources in beam Qualifiers :
No. 12 Reference Code : 1989H&RHI.C...0000H Freq. targeted : HI (21 cm line) Measurement : 1.55 Jy km s^-1^ = 7.31E-23 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: 123159.4 +092553. (B1950) Spatial mode : Not reported in paper Notes : Transformed from previously published data Qualifiers :
No. 13 Reference Code : 1989H&RHI.C...0000H Freq. targeted : HI (21 cm line) Measurement : 0.82 Jy km s^-1^ = 3.86E-23 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: 123159.4 +092553. (B1950) Spatial mode : Not reported in paper Notes : Transformed from previously published data Qualifiers :

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