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Date and Time of the Query: 2019-06-17 T20:04:10 PDT
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Spectral Energy Distribution (SED) for NGC 4423:

32 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) 14.01 +/- 0.15 mag 6.81E+14 1.06E-02 +/- 1.57E-03 Jy Broad-band 1991RC3.9.C...0000d 1
2 B (m_B) 14.30 +/- 0.12 mag 6.81E+14 8.12E-03 +/- 9.49E-04 Jy Broad-band 1991RC3.9.C...0000d 2
3 B (B_T^0) 13.22 ... mag 6.81E+14 2.20E-02 ... Jy Broad-band 1991RC3.9.C...0000d 3
4 m_p 14.4 +/- 0.4 mag 6.81E+14 7.40E-03 +/- 3.30E-03 Jy Broad-band 1961CGCG1.C...0000Z 4
5 J (2MASS/CTIO) 14.713 +/- 0.052 mag 2.43E+14 2.08E-03 +/- 9.94E-05 Jy Broad-band 4" aperture 2006AJ....131.1163S 5
6 J (2MASS/CTIO) 15.981 +/- 0.229 mag 2.43E+14 6.46E-04 +/- 1.36E-04 Jy Broad-band Profile-fit 2006AJ....131.1163S 6
7 J 12.455 +/- 0.059 mag 2.40E+14 1.66E-02 +/- 9.27E-04 Jy Broad-band 46.8 x 30.0 arcsec integration area. 20032MASX.C.......: 7
8 J 11.494 +/- 0.054 mag 2.40E+14 4.02E-02 +/- 2.05E-03 Jy Broad-band 20032MASX.C.......: 8
9 J_14arcsec (2MASS) 13.713 +/- 0.045 mag 2.40E+14 5.21E-03 +/- 2.20E-04 Jy Broad-band 14.0 x 14.0 arcsec aperture. 20032MASX.C.......: 9
10 H 11.882 +/- 0.071 mag 1.82E+14 1.81E-02 +/- 1.22E-03 Jy Broad-band 46.8 x 30.0 arcsec integration area. 20032MASX.C.......: 10
11 H 10.743 +/- 0.052 mag 1.82E+14 5.17E-02 +/- 2.53E-03 Jy Broad-band 20032MASX.C.......: 11
12 H_14arcsec (2MASS) 13.155 +/- 0.052 mag 1.82E+14 5.60E-03 +/- 2.75E-04 Jy Broad-band 14.0 x 14.0 arcsec aperture. 20032MASX.C.......: 12
13 H (2MASS/CTIO) ... >14.042 mag 1.80E+14 < 2.47E-03 Jy Broad-band 2006AJ....131.1163S 13
14 K_s (2MASS/CTIO) ... >14.064 mag 1.39E+14 < 1.58E-03 Jy Broad-band 2006AJ....131.1163S 14
15 K_s 11.045 +/- 0.145 mag 1.38E+14 2.55E-02 +/- 3.64E-03 Jy Broad-band 20032MASX.C.......: 15
16 K_s_14arcsec (2MASS) 13.084 +/- 0.102 mag 1.38E+14 3.89E-03 +/- 3.84E-04 Jy Broad-band 14.0 x 14.0 arcsec aperture. 20032MASX.C.......: 16
17 K_s 11.627 +/- 0.131 mag 1.38E+14 1.49E-02 +/- 1.91E-03 Jy Broad-band 46.8 x 30.0 arcsec integration area. 20032MASX.C.......: 17
18 12 microns (WISE) ... <35.14 milliJy 2.50E+13 < 3.51E-02 Jy Broad-band 2014A&A...565A.128C 18
19 12 microns (IRAS) ... <9.222E-02 Jy 2.50E+13 < 9.22E-02 Jy Broad-band 1990IRASF.C...0000M 19
20 22 microns (WISE) ... <37.55 milliJy 1.36E+13 < 3.76E-02 Jy Broad-band 2014A&A...565A.128C 20
21 25 microns (IRAS) ... <1.511E-01 Jy 1.20E+13 < 1.51E-01 Jy Broad-band 1990IRASF.C...0000M 21
22 60 microns (ISO) 0.29 +/- 0.02 Jy 5.00E+12 2.90E-01 +/- 2.00E-02 Jy Broad-band 2002ApJS..139...37T 22
23 60 microns (IRAS) 4.712E-01 +/- 17 % Jy 5.00E+12 4.71E-01 +/- 8.01E-02 Jy Broad-band IRAS quality flag = 3 1990IRASF.C...0000M 23
24 100 microns (ISO) 0.83 +/- 0.04 Jy 3.00E+12 8.30E-01 +/- 4.00E-02 Jy Broad-band 2002ApJS..139...37T 24
25 100 microns (IRAS) 1.098E+00 +/- 13 % Jy 3.00E+12 1.10E+00 +/- 1.43E-01 Jy Broad-band IRAS quality flag = 2 1990IRASF.C...0000M 25
26 170 microns (ISO) 1.38 +/- 0.09 Jy 1.76E+12 1.38E+00 +/- 9.00E-02 Jy Broad-band 2002ApJS..139...37T 26
27 HI (21 cm line) 14.32 +/- 0.20 m_21 mag 1.42E+09 8.17E+04 +/- 1.65E+04 Jy-Hz Line m_21 equiv. to S(HI) = 8.166E-22 W m^-2 1991RC3.9.C...0000d 27
28 HI (21cm) line WSRT 9.6 +/- 0.2 Jy km/s 1.42E+09 4.53E+04 +/- 9.44E+02 Jy-Hz Line 2011A&A...528A..28P 28
29 HI (21 cm line) 14.60 ... Jy km s^-1^ 1.42E+09 6.87E+04 ... Jy-Hz Line 1989H&RHI.C...0000H 29
30 1.4 GHz (VLA) 3.0 ... milliJy 1.40E+09 3.00E-03 ... Jy Broad-band 2002AJ....124..675C 30
31 1.4GHz 3.6 +/- 0.7 milliJy 1.40E+09 3.60E-03 +/- 7.00E-04 Jy Broad-band 1998AJ....115.1693C 31
32 HI line (Parkes) 10.8 ... Jy km/s 1.39E+09 5.01E+04 ... Jy-Hz Line 2011A&A...533A.122P 32


Detailed Information for Each Entry

 No. 1
Reference Code : 1991RC3.9.C...0000d
Freq. targeted : B (B_T)             
Measurement    :  14.01       mag                  = 1.06E-28 W m^-2^ Hz^-1^
Uncertainty    :  0.15        mag                  = 1.57E-29
Significance   : rms uncertainty
Freq or Vel.   : 4400         A            (OBS   )= 6.81E+14 Hz
Frequency mode : Broad-band measurement
Coord. targeted: 122436.2        + 6 923 (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 : 14.30 mag = 8.12E-29 W m^-2^ Hz^-1^ Uncertainty : 0.12 mag = 9.49E-30 Significance : rms uncertainty Freq or Vel. : 4400 A (OBS )= 6.81E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 122436.2 + 6 923 (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 : 13.22 mag = 2.20E-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: 122436.2 + 6 923 (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 : 14.4 mag = 7.40E-29 W m^-2^ Hz^-1^ Uncertainty : 0.4 mag = 3.30E-29 Significance : rms noise Freq or Vel. : 4400 A (OBS )= 6.81E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 122436.0 +060900. (B1950) Spatial mode : Estimated by eye Notes : From new raw data Qualifiers :
No. 5 Reference Code : 2006AJ....131.1163S Freq. targeted : J (2MASS/CTIO) Measurement : 14.713 mag = 2.08E-29 W m^-2^ Hz^-1^ Uncertainty : 0.052 mag = 9.94E-31 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. 6 Reference Code : 2006AJ....131.1163S Freq. targeted : J (2MASS/CTIO) Measurement : 15.981 mag = 6.46E-30 W m^-2^ Hz^-1^ Uncertainty : 0.229 mag = 1.36E-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
No. 7 Reference Code : 20032MASX.C.......: Freq. targeted : J Measurement : 12.455 mag = 1.66E-28 W m^-2^ Hz^-1^ Uncertainty : 0.059 mag = 9.27E-30 Significance : 1 sigma uncert. Freq or Vel. : 1.25 microns (OBS )= 2.40E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 122708.97 +055248.6 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : 46.8 x 30.0 arcsec integration area.
No. 8 Reference Code : 20032MASX.C.......: Freq. targeted : J Measurement : 11.494 mag = 4.02E-28 W m^-2^ Hz^-1^ Uncertainty : 0.054 mag = 2.05E-29 Significance : 1 sigma uncert. Freq or Vel. : 1.25 microns (OBS )= 2.40E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 122708.97 +055248.6 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers :
No. 9 Reference Code : 20032MASX.C.......: Freq. targeted : J_14arcsec (2MASS) Measurement : 13.713 mag = 5.21E-29 W m^-2^ Hz^-1^ Uncertainty : 0.045 mag = 2.20E-30 Significance : 1 sigma uncert. Freq or Vel. : 1.25 microns (OBS )= 2.40E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 122708.97 +055248.6 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : 14.0 x 14.0 arcsec aperture.
No. 10 Reference Code : 20032MASX.C.......: Freq. targeted : H Measurement : 11.882 mag = 1.81E-28 W m^-2^ Hz^-1^ Uncertainty : 0.071 mag = 1.22E-29 Significance : 1 sigma uncert. Freq or Vel. : 1.65 microns (OBS )= 1.82E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 122708.97 +055248.6 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : 46.8 x 30.0 arcsec integration area.
No. 11 Reference Code : 20032MASX.C.......: Freq. targeted : H Measurement : 10.743 mag = 5.17E-28 W m^-2^ Hz^-1^ Uncertainty : 0.052 mag = 2.53E-29 Significance : 1 sigma uncert. Freq or Vel. : 1.65 microns (OBS )= 1.82E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 122708.97 +055248.6 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers :
No. 12 Reference Code : 20032MASX.C.......: Freq. targeted : H_14arcsec (2MASS) Measurement : 13.155 mag = 5.60E-29 W m^-2^ Hz^-1^ Uncertainty : 0.052 mag = 2.75E-30 Significance : 1 sigma uncert. Freq or Vel. : 1.65 microns (OBS )= 1.82E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 122708.97 +055248.6 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : 14.0 x 14.0 arcsec aperture.
No. 13 Reference Code : 2006AJ....131.1163S Freq. targeted : H (2MASS/CTIO) Measurement : >14.042 mag < 2.47E-29 W m^-2^ Hz^-1^ Uncertainty : Significance : 95% confidence 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 :
No. 14 Reference Code : 2006AJ....131.1163S Freq. targeted : K_s (2MASS/CTIO) Measurement : >14.064 mag < 1.58E-29 W m^-2^ Hz^-1^ Uncertainty : Significance : 95% confidence 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 :
No. 15 Reference Code : 20032MASX.C.......: Freq. targeted : K_s Measurement : 11.045 mag = 2.55E-28 W m^-2^ Hz^-1^ Uncertainty : 0.145 mag = 3.64E-29 Significance : 1 sigma uncert. Freq or Vel. : 2.17 microns (OBS )= 1.38E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 122708.97 +055248.6 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers :
No. 16 Reference Code : 20032MASX.C.......: Freq. targeted : K_s_14arcsec (2MASS) Measurement : 13.084 mag = 3.89E-29 W m^-2^ Hz^-1^ Uncertainty : 0.102 mag = 3.84E-30 Significance : 1 sigma uncert. Freq or Vel. : 2.17 microns (OBS )= 1.38E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 122708.97 +055248.6 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : 14.0 x 14.0 arcsec aperture.
No. 17 Reference Code : 20032MASX.C.......: Freq. targeted : K_s Measurement : 11.627 mag = 1.49E-28 W m^-2^ Hz^-1^ Uncertainty : 0.131 mag = 1.91E-29 Significance : 1 sigma uncert. Freq or Vel. : 2.17 microns (OBS )= 1.38E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 122708.97 +055248.6 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : 46.8 x 30.0 arcsec integration area.
No. 18 Reference Code : 2014A&A...565A.128C Freq. targeted : 12 microns (WISE) Measurement : <35.14 milliJy < 3.51E-28 W m^-2^ Hz^-1^ Uncertainty : Significance : no uncertainty reported Freq or Vel. : 12 microns (OBS )= 2.50E+13 Hz Frequency mode : Broad-band measurement Coord. targeted: Spatial mode : Flux in fixed aperture Notes : Averaged from previously published data Qualifiers :
No. 19 Reference Code : 1990IRASF.C...0000M Freq. targeted : 12 microns (IRAS) Measurement : <9.222E-02 Jy < 9.22E-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: 122436.3 +060931 (B1950) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers :
No. 20 Reference Code : 2014A&A...565A.128C Freq. targeted : 22 microns (WISE) Measurement : <37.55 milliJy < 3.76E-28 W m^-2^ Hz^-1^ Uncertainty : Significance : no uncertainty reported Freq or Vel. : 22 microns (OBS )= 1.36E+13 Hz Frequency mode : Broad-band measurement Coord. targeted: Spatial mode : Flux in fixed aperture Notes : Averaged from previously published data Qualifiers :
No. 21 Reference Code : 1990IRASF.C...0000M Freq. targeted : 25 microns (IRAS) Measurement : <1.511E-01 Jy < 1.51E-27 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: 122436.3 +060931 (B1950) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers :
No. 22 Reference Code : 2002ApJS..139...37T Freq. targeted : 60 microns (ISO) Measurement : 0.29 Jy = 2.90E-27 W m^-2^ Hz^-1^ Uncertainty : 0.02 Jy = 2.00E-28 Significance : 1 sigma Freq or Vel. : 60 microns (OBS )= 5.00E+12 Hz Frequency mode : Broad-band measurement Coord. targeted: Spatial mode : From fitting to map Notes : From reprocessed raw data Qualifiers :
No. 23 Reference Code : 1990IRASF.C...0000M Freq. targeted : 60 microns (IRAS) Measurement : 4.712E-01 Jy = 4.71E-27 W m^-2^ Hz^-1^ Uncertainty : 17 % Jy = 8.01E-28 Significance : uncertainty Freq or Vel. : 60 microns (OBS )= 5.00E+12 Hz Frequency mode : Broad-band measurement Coord. targeted: 122436.3 +060931 (B1950) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : IRAS quality flag = 3
No. 24 Reference Code : 2002ApJS..139...37T Freq. targeted : 100 microns (ISO) Measurement : 0.83 Jy = 8.30E-27 W m^-2^ Hz^-1^ Uncertainty : 0.04 Jy = 4.00E-28 Significance : 1 sigma Freq or Vel. : 100 microns (OBS )= 3.00E+12 Hz Frequency mode : Broad-band measurement Coord. targeted: Spatial mode : From fitting to map Notes : From reprocessed raw data Qualifiers :
No. 25 Reference Code : 1990IRASF.C...0000M Freq. targeted : 100 microns (IRAS) Measurement : 1.098E+00 Jy = 1.10E-26 W m^-2^ Hz^-1^ Uncertainty : 13 % Jy = 1.43E-27 Significance : uncertainty Freq or Vel. : 100 microns (OBS )= 3.00E+12 Hz Frequency mode : Broad-band measurement Coord. targeted: 122436.3 +060931 (B1950) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : IRAS quality flag = 2
No. 26 Reference Code : 2002ApJS..139...37T Freq. targeted : 170 microns (ISO) Measurement : 1.38 Jy = 1.38E-26 W m^-2^ Hz^-1^ Uncertainty : 0.09 Jy = 9.00E-28 Significance : 1 sigma Freq or Vel. : 170 microns (OBS )= 1.76E+12 Hz Frequency mode : Broad-band measurement Coord. targeted: Spatial mode : From fitting to map Notes : From reprocessed raw data Qualifiers :
No. 27 Reference Code : 1991RC3.9.C...0000d Freq. targeted : HI (21 cm line) Measurement : 14.32 m_21 mag = 8.17E-22 W m^-2^ Uncertainty : 0.20 m_21 mag = 1.65E-22 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: 122436.2 + 6 923 (B1950) Spatial mode : Multiple methods Notes : Homogenized from new and previously published data Qualifiers : m_21 equiv. to S(HI) = 8.166E-22 W m^-2
No. 28 Reference Code : 2011A&A...528A..28P Freq. targeted : HI (21cm) line WSRT Measurement : 9.6 Jy km/s = 4.53E-22 W m^-2^ Uncertainty : 0.2 Jy km/s = 9.44E-24 Significance : uncertainty Freq or Vel. : 1113 km/s (REST )= 1.42E+09 Hz Frequency mode : Line measurement; flux integrated over line; lines measured in emission Coord. targeted: 12 27 11.02 +05 54 04.30 (J2000) Spatial mode : Flux integrated from map Notes : From new raw data Qualifiers :
No. 29 Reference Code : 1989H&RHI.C...0000H Freq. targeted : HI (21 cm line) Measurement : 14.60 Jy km s^-1^ = 6.87E-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: 122436.2 +060923. (B1950) Spatial mode : Not reported in paper Notes : Transformed from previously published data Qualifiers :
No. 30 Reference Code : 2002AJ....124..675C Freq. targeted : 1.4 GHz (VLA) Measurement : 3.0 milliJy = 3.00E-29 W m^-2^ Hz^-1^ Uncertainty : milliJy = 0.00E+00 Significance : no uncertainty reported Freq or Vel. : 1.4 GHz (OBS )= 1.40E+09 Hz Frequency mode : Broad-band measurement Coord. targeted: Spatial mode : Flux integrated from map Notes : Averaged from previously published data Qualifiers :
No. 31 Reference Code : 1998AJ....115.1693C Freq. targeted : 1.4GHz Measurement : 3.6 milliJy = 3.60E-29 W m^-2^ Hz^-1^ Uncertainty : 0.7 milliJy = 7.00E-30 Significance : uncertainty Freq or Vel. : 1.40 GHz (OBS )= 1.40E+09 Hz Frequency mode : Broad-band measurement Coord. targeted: 12 27 8.91 +05 52 48.4 (J2000) Spatial mode : Flux integrated from map Notes : From new raw data Qualifiers :
No. 32 Reference Code : 2011A&A...533A.122P Freq. targeted : HI line (Parkes) Measurement : 10.8 Jy km/s = 5.01E-22 W m^-2^ Uncertainty : Jy km/s = 0.00E+00 Significance : no uncertainty reported Freq or Vel. : 1.39 GHz (REST )= 1.39E+09 Hz Frequency mode : Line measurement; flux integrated over line; lines measured in emission Coord. targeted: 12 27 10 +05 53 45 (J2000) Spatial mode : Flux integrated from map Notes : From reprocessed raw data Qualifiers :

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