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Date and Time of the Query: 2019-05-24 T20:25:52 PDT
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Spectral Energy Distribution (SED) for NGC 1924:

30 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) 13.25 +/- 0.13 mag 6.81E+14 2.14E-02 +/- 2.72E-03 Jy Broad-band 1991RC3.9.C...0000d 1
2 B (B_T^0) 12.31 ... mag 6.81E+14 5.08E-02 ... Jy Broad-band 1991RC3.9.C...0000d 2
3 V (V_T) 12.52 +/- 0.13 mag 5.42E+14 3.57E-02 +/- 4.56E-03 Jy Broad-band 1991RC3.9.C...0000d 3
4 V (V_T^0) 11.81 ... mag 5.42E+14 6.87E-02 ... Jy Broad-band 1991RC3.9.C...0000d 4
5 I 11.47 +/- 0.02 mag 3.79E+14 6.59E-02 +/- 1.21E-03 Jy Broad-band Observed magnitude 2007ApJS..172..599S 5
6 I 11.17 ... mag 3.79E+14 8.68E-02 ... Jy Broad-band 2007ApJS..172..599S 6
7 J (2MASS/CTIO) 12.882 +/- 0.01 mag 2.43E+14 1.12E-02 +/- 1.03E-04 Jy Broad-band 4" aperture 2006AJ....131.1163S 7
8 J (2MASS/CTIO) 13.588 +/- 0.103 mag 2.43E+14 5.85E-03 +/- 5.55E-04 Jy Broad-band Profile-fit; Poor quality 2006AJ....131.1163S 8
9 J 10.401 +/- 0.017 mag 2.40E+14 1.10E-01 +/- 1.74E-03 Jy Broad-band 70.0 x 57.4 arcsec integration area. 20032MASX.C.......: 9
10 J 10.278 +/- 0.018 mag 2.40E+14 1.23E-01 +/- 2.06E-03 Jy Broad-band 20032MASX.C.......: 10
11 J_14arcsec (2MASS) 12.060 +/- 0.008 mag 2.40E+14 2.39E-02 +/- 1.77E-04 Jy Broad-band 14.0 x 14.0 arcsec aperture. 20032MASX.C.......: 11
12 H 9.686 +/- 0.020 mag 1.82E+14 1.37E-01 +/- 2.54E-03 Jy Broad-band 70.0 x 57.4 arcsec integration area. 20032MASX.C.......: 12
13 H 9.576 +/- 0.020 mag 1.82E+14 1.51E-01 +/- 2.81E-03 Jy Broad-band 20032MASX.C.......: 13
14 H_14arcsec (2MASS) 11.329 +/- 0.009 mag 1.82E+14 3.01E-02 +/- 2.51E-04 Jy Broad-band 14.0 x 14.0 arcsec aperture. 20032MASX.C.......: 14
15 H (2MASS/CTIO) 12.127 +/- 0.015 mag 1.80E+14 1.44E-02 +/- 1.99E-04 Jy Broad-band 4" aperture 2006AJ....131.1163S 15
16 H (2MASS/CTIO) 12.787 +/- 0.11 mag 1.80E+14 7.86E-03 +/- 7.96E-04 Jy Broad-band Profile-fit; Poor quality 2006AJ....131.1163S 16
17 K_s (2MASS/CTIO) 11.815 +/- 0.02 mag 1.39E+14 1.25E-02 +/- 2.31E-04 Jy Broad-band 4" aperture 2006AJ....131.1163S 17
18 K_s (2MASS/CTIO) 12.266 +/- 0.077 mag 1.39E+14 8.27E-03 +/- 5.87E-04 Jy Broad-band Profile-fit; Poor quality 2006AJ....131.1163S 18
19 K_s_14arcsec (2MASS) 11.029 +/- 0.014 mag 1.38E+14 2.58E-02 +/- 3.35E-04 Jy Broad-band 14.0 x 14.0 arcsec aperture. 20032MASX.C.......: 19
20 K_s 9.425 +/- 0.033 mag 1.38E+14 1.13E-01 +/- 3.49E-03 Jy Broad-band 70.0 x 57.4 arcsec integration area. 20032MASX.C.......: 20
21 K_s 9.341 +/- 0.033 mag 1.38E+14 1.22E-01 +/- 3.78E-03 Jy Broad-band 20032MASX.C.......: 21
22 12 microns (IRAS) 2.865E-01 +/- 12 % Jy 2.50E+13 2.86E-01 +/- 3.44E-02 Jy Broad-band IRAS quality flag = 3 1990IRASF.C...0000M 22
23 25 microns (IRAS) 4.683E-01 +/- 10 % Jy 1.20E+13 4.68E-01 +/- 2.87E-02 Jy Broad-band IRAS quality flag = 3 1990IRASF.C...0000M 23
24 60 microns (IRAS) 3.079E+00 +/- 9 % Jy 5.00E+12 3.08E+00 +/- 2.77E-01 Jy Broad-band IRAS quality flag = 2 1990IRASF.C...0000M 24
25 100 microns (IRAS) ... <1.397E+01 Jy 3.00E+12 < 1.40E+01 Jy Broad-band 1990IRASF.C...0000M 25
26 HI 21 cm line 10.96 +/- 1.11 Jy km s^-1^ 1.42E+09 5.15E+04 +/- 5.21E+03 Jy-Hz Line Self-absorption corrected line flux 2005ApJS..160..149S 26
27 HI 21 cm line 9.99 ... Jy km s^-1^ 1.42E+09 4.69E+04 ... Jy-Hz Line 2005ApJS..160..149S 27
28 HI 21 cm line 10.61 ... Jy km s^-1^ 1.42E+09 4.98E+04 ... Jy-Hz Line Corrected line flux 2005ApJS..160..149S 28
29 HI (21 cm line) 5.9 +/- 1.0 Jy km sec^-1^ 1.42E+09 2.74E+04 +/- 4.64E+03 Jy-Hz Line 1998A&AS..130..333T 29
30 1.4GHz 6.4 +/- 0.6 milliJy 1.40E+09 6.40E-03 +/- 6.00E-04 Jy Broad-band 1998AJ....115.1693C 30


Detailed Information for Each Entry

 No. 1
Reference Code : 1991RC3.9.C...0000d
Freq. targeted : B (B_T)             
Measurement    :  13.25       mag                  = 2.13E-28 W m^-2^ Hz^-1^
Uncertainty    :  0.13        mag                  = 2.72E-29
Significance   : rms uncertainty
Freq or Vel.   : 4400         A            (OBS   )= 6.81E+14 Hz
Frequency mode : Broad-band measurement
Coord. targeted: 052534.6        -052103 (B1950)
Spatial mode   : From multi-aperture data
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 (B_T^0) Measurement : 12.31 mag = 5.08E-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: 052534.6 -052103 (B1950) Spatial mode : From multi-aperture data 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 : 1991RC3.9.C...0000d Freq. targeted : V (V_T) Measurement : 12.52 mag = 3.57E-28 W m^-2^ Hz^-1^ Uncertainty : 0.13 mag = 4.56E-29 Significance : rms uncertainty Freq or Vel. : 5530 A (OBS )= 5.42E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 052534.6 -052103 (B1950) Spatial mode : From multi-aperture data Notes : Homogenized from new and previously published data; Standard Johnson UBVRI filters assumed Qualifiers :
No. 4 Reference Code : 1991RC3.9.C...0000d Freq. targeted : V (V_T^0) Measurement : 11.81 mag = 6.87E-28 W m^-2^ Hz^-1^ Uncertainty : mag = 0.00E+00 Significance : no uncertainty reported Freq or Vel. : 5530 A (OBS )= 5.42E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 052534.6 -052103 (B1950) Spatial mode : From multi-aperture data 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. 5 Reference Code : 2007ApJS..172..599S Freq. targeted : I Measurement : 11.47 mag = 6.59E-28 W m^-2^ Hz^-1^ Uncertainty : 0.02 mag = 1.21E-29 Significance : uncertainty Freq or Vel. : 7900 A (OBS )= 3.79E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 05 28 01.9 -05 18 43 (J2000) Spatial mode : Total flux Notes : Averaged new and previously published data; Standard Cousins R_C, I_C filters assumed Qualifiers : Observed magnitude
No. 6 Reference Code : 2007ApJS..172..599S Freq. targeted : I Measurement : 11.17 mag = 8.68E-28 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: 05 28 01.9 -05 18 43 (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. 7 Reference Code : 2006AJ....131.1163S Freq. targeted : J (2MASS/CTIO) Measurement : 12.882 mag = 1.12E-28 W m^-2^ Hz^-1^ Uncertainty : 0.01 mag = 1.03E-30 Significance : uncertainty Freq or Vel. : 1.235 microns (OBS )= 2.43E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : 4" aperture
No. 8 Reference Code : 2006AJ....131.1163S Freq. targeted : J (2MASS/CTIO) Measurement : 13.588 mag = 5.85E-29 W m^-2^ Hz^-1^ Uncertainty : 0.103 mag = 5.55E-30 Significance : uncertainty Freq or Vel. : 1.235 microns (OBS )= 2.43E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : Profile-fit; Poor quality
No. 9 Reference Code : 20032MASX.C.......: Freq. targeted : J Measurement : 10.401 mag = 1.10E-27 W m^-2^ Hz^-1^ Uncertainty : 0.017 mag = 1.74E-29 Significance : 1 sigma uncert. Freq or Vel. : 1.25 microns (OBS )= 2.40E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 052801.98 -051838.4 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data; Corrected for contaminating sources Qualifiers : 70.0 x 57.4 arcsec integration area.
No. 10 Reference Code : 20032MASX.C.......: Freq. targeted : J Measurement : 10.278 mag = 1.23E-27 W m^-2^ Hz^-1^ Uncertainty : 0.018 mag = 2.06E-29 Significance : 1 sigma uncert. Freq or Vel. : 1.25 microns (OBS )= 2.40E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 052801.98 -051838.4 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers :
No. 11 Reference Code : 20032MASX.C.......: Freq. targeted : J_14arcsec (2MASS) Measurement : 12.060 mag = 2.39E-28 W m^-2^ Hz^-1^ Uncertainty : 0.008 mag = 1.77E-30 Significance : 1 sigma uncert. Freq or Vel. : 1.25 microns (OBS )= 2.40E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 052801.98 -051838.4 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : 14.0 x 14.0 arcsec aperture.
No. 12 Reference Code : 20032MASX.C.......: Freq. targeted : H Measurement : 9.686 mag = 1.37E-27 W m^-2^ Hz^-1^ Uncertainty : 0.020 mag = 2.54E-29 Significance : 1 sigma uncert. Freq or Vel. : 1.65 microns (OBS )= 1.82E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 052801.98 -051838.4 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data; Corrected for contaminating sources Qualifiers : 70.0 x 57.4 arcsec integration area.
No. 13 Reference Code : 20032MASX.C.......: Freq. targeted : H Measurement : 9.576 mag = 1.51E-27 W m^-2^ Hz^-1^ Uncertainty : 0.020 mag = 2.81E-29 Significance : 1 sigma uncert. Freq or Vel. : 1.65 microns (OBS )= 1.82E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 052801.98 -051838.4 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers :
No. 14 Reference Code : 20032MASX.C.......: Freq. targeted : H_14arcsec (2MASS) Measurement : 11.329 mag = 3.01E-28 W m^-2^ Hz^-1^ Uncertainty : 0.009 mag = 2.51E-30 Significance : 1 sigma uncert. Freq or Vel. : 1.65 microns (OBS )= 1.82E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 052801.98 -051838.4 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : 14.0 x 14.0 arcsec aperture.
No. 15 Reference Code : 2006AJ....131.1163S Freq. targeted : H (2MASS/CTIO) Measurement : 12.127 mag = 1.44E-28 W m^-2^ Hz^-1^ Uncertainty : 0.015 mag = 1.99E-30 Significance : uncertainty Freq or Vel. : 1.662 microns (OBS )= 1.80E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : 4" aperture
No. 16 Reference Code : 2006AJ....131.1163S Freq. targeted : H (2MASS/CTIO) Measurement : 12.787 mag = 7.86E-29 W m^-2^ Hz^-1^ Uncertainty : 0.11 mag = 7.96E-30 Significance : uncertainty Freq or Vel. : 1.662 microns (OBS )= 1.80E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : Profile-fit; Poor quality
No. 17 Reference Code : 2006AJ....131.1163S Freq. targeted : K_s (2MASS/CTIO) Measurement : 11.815 mag = 1.25E-28 W m^-2^ Hz^-1^ Uncertainty : 0.02 mag = 2.31E-30 Significance : uncertainty Freq or Vel. : 2.159 microns (OBS )= 1.39E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : 4" aperture
No. 18 Reference Code : 2006AJ....131.1163S Freq. targeted : K_s (2MASS/CTIO) Measurement : 12.266 mag = 8.27E-29 W m^-2^ Hz^-1^ Uncertainty : 0.077 mag = 5.87E-30 Significance : uncertainty Freq or Vel. : 2.159 microns (OBS )= 1.39E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : Profile-fit; Poor quality
No. 19 Reference Code : 20032MASX.C.......: Freq. targeted : K_s_14arcsec (2MASS) Measurement : 11.029 mag = 2.58E-28 W m^-2^ Hz^-1^ Uncertainty : 0.014 mag = 3.35E-30 Significance : 1 sigma uncert. Freq or Vel. : 2.17 microns (OBS )= 1.38E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 052801.98 -051838.4 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : 14.0 x 14.0 arcsec aperture.
No. 20 Reference Code : 20032MASX.C.......: Freq. targeted : K_s Measurement : 9.425 mag = 1.13E-27 W m^-2^ Hz^-1^ Uncertainty : 0.033 mag = 3.49E-29 Significance : 1 sigma uncert. Freq or Vel. : 2.17 microns (OBS )= 1.38E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 052801.98 -051838.4 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data; Corrected for contaminating sources Qualifiers : 70.0 x 57.4 arcsec integration area.
No. 21 Reference Code : 20032MASX.C.......: Freq. targeted : K_s Measurement : 9.341 mag = 1.22E-27 W m^-2^ Hz^-1^ Uncertainty : 0.033 mag = 3.78E-29 Significance : 1 sigma uncert. Freq or Vel. : 2.17 microns (OBS )= 1.38E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 052801.98 -051838.4 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers :
No. 22 Reference Code : 1990IRASF.C...0000M Freq. targeted : 12 microns (IRAS) Measurement : 2.865E-01 Jy = 2.86E-27 W m^-2^ Hz^-1^ Uncertainty : 12 % Jy = 3.44E-28 Significance : uncertainty Freq or Vel. : 12 microns (OBS )= 2.50E+13 Hz Frequency mode : Broad-band measurement Coord. targeted: 052534.7 -052103 (B1950) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : IRAS quality flag = 3
No. 23 Reference Code : 1990IRASF.C...0000M Freq. targeted : 25 microns (IRAS) Measurement : 4.683E-01 Jy = 4.68E-27 W m^-2^ Hz^-1^ Uncertainty : 10 % Jy = 2.87E-28 Significance : uncertainty Freq or Vel. : 25 microns (OBS )= 1.20E+13 Hz Frequency mode : Broad-band measurement Coord. targeted: 052534.7 -052103 (B1950) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : IRAS quality flag = 3
No. 24 Reference Code : 1990IRASF.C...0000M Freq. targeted : 60 microns (IRAS) Measurement : 3.079E+00 Jy = 3.08E-26 W m^-2^ Hz^-1^ Uncertainty : 9 % Jy = 2.77E-27 Significance : uncertainty Freq or Vel. : 60 microns (OBS )= 5.00E+12 Hz Frequency mode : Broad-band measurement Coord. targeted: 052534.7 -052103 (B1950) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : IRAS quality flag = 2
No. 25 Reference Code : 1990IRASF.C...0000M Freq. targeted : 100 microns (IRAS) Measurement : <1.397E+01 Jy < 1.40E-25 W m^-2^ Hz^-1^ Uncertainty : Significance : 90% confidence Freq or Vel. : 100 microns (OBS )= 3.00E+12 Hz Frequency mode : Broad-band measurement Coord. targeted: 052534.7 -052103 (B1950) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers :
No. 26 Reference Code : 2005ApJS..160..149S Freq. targeted : HI 21 cm line Measurement : 10.96 Jy km s^-1^ = 5.15E-22 W m^-2^ Uncertainty : 1.11 Jy km s^-1^ = 5.21E-23 Significance : uncertainty Freq or Vel. : 2541 km s^-1^ (REST )= 1.42E+09 Hz Frequency mode : Line measurement; flux integrated over line; lines measured in emission Coord. targeted: 05 28 01.9 -05 18 43 (J2000) Spatial mode : Flux integrated from map Notes : From new raw data Qualifiers : Self-absorption corrected line flux
No. 27 Reference Code : 2005ApJS..160..149S Freq. targeted : HI 21 cm line Measurement : 9.99 Jy km s^-1^ = 4.69E-22 W m^-2^ Uncertainty : Jy km s^-1^ = 0.00E+00 Significance : no uncertainty reported Freq or Vel. : 2541 km s^-1^ (REST )= 1.42E+09 Hz Frequency mode : Line measurement; flux integrated over line; lines measured in emission Coord. targeted: 05 28 01.9 -05 18 43 (J2000) Spatial mode : Flux integrated from map Notes : From new raw data Qualifiers :
No. 28 Reference Code : 2005ApJS..160..149S Freq. targeted : HI 21 cm line Measurement : 10.61 Jy km s^-1^ = 4.98E-22 W m^-2^ Uncertainty : Jy km s^-1^ = 0.00E+00 Significance : no uncertainty reported Freq or Vel. : 2541 km s^-1^ (REST )= 1.42E+09 Hz Frequency mode : Line measurement; flux integrated over line; lines measured in emission Coord. targeted: 05 28 01.9 -05 18 43 (J2000) Spatial mode : Flux integrated from map Notes : From new raw data Qualifiers : Corrected line flux
No. 29 Reference Code : 1998A&AS..130..333T Freq. targeted : HI (21 cm line) Measurement : 5.9 Jy km sec^-1^ = 2.74E-22 W m^-2^ Uncertainty : 1.0 Jy km sec^-1^ = 4.64E-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: 052535. -052059. (B1950) Spatial mode : Integrated from scans; Beam filling or dilution corrected Notes : From new raw data Qualifiers :
No. 30 Reference Code : 1998AJ....115.1693C Freq. targeted : 1.4GHz Measurement : 6.4 milliJy = 6.40E-29 W m^-2^ Hz^-1^ Uncertainty : 0.6 milliJy = 6.00E-30 Significance : uncertainty Freq or Vel. : 1.40 GHz (OBS )= 1.40E+09 Hz Frequency mode : Broad-band measurement Coord. targeted: 05 28 1.97 -05 18 44.8 (J2000) Spatial mode : Flux integrated from map Notes : From new raw data Qualifiers :

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