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Date and Time of the Query: 2019-03-26 T07:53:46 PDT
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Spectral Energy Distribution (SED) for NGC 4928:

28 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 (m_B) 13.31 +/- 0.26 mag 6.81E+14 2.02E-02 +/- 5.47E-03 Jy Broad-band 1991RC3.9.C...0000d 1
2 B (m_B^0) 13.01 ... mag 6.81E+14 2.66E-02 ... Jy Broad-band 1991RC3.9.C...0000d 2
3 B_J 13.3603 ... mag 6.41E+14 1.79E-02 ... Jy Broad-band 2005MNRAS.361...34D 3
4 R 13.3564 ... mag 4.68E+14 1.40E-02 ... Jy Broad-band 2005MNRAS.361...34D 4
5 I 13.0144 ... mag 3.79E+14 1.59E-02 ... Jy Broad-band 2005MNRAS.361...34D 5
6 J (2MASS/CTIO) 14.563 +/- 0.164 mag 2.43E+14 2.38E-03 +/- 3.60E-04 Jy Broad-band Profile-fit; Poor quality 2006AJ....131.1163S 6
7 J (2MASS/CTIO) 13.461 +/- 0.02 mag 2.43E+14 6.58E-03 +/- 1.21E-04 Jy Broad-band 4" aperture 2006AJ....131.1163S 7
8 J 11.206 +/- 0.023 mag 2.40E+14 5.24E-02 +/- 1.12E-03 Jy Broad-band 56.0 x 38.1 arcsec integration area. 20032MASX.C.......: 8
9 J 11.061 +/- 0.023 mag 2.40E+14 5.99E-02 +/- 1.28E-03 Jy Broad-band 20032MASX.C.......: 9
10 J_14arcsec (2MASS) 12.522 +/- 0.013 mag 2.40E+14 1.56E-02 +/- 1.88E-04 Jy Broad-band 14.0 x 14.0 arcsec aperture. 20032MASX.C.......: 10
11 H 10.599 +/- 0.036 mag 1.82E+14 5.90E-02 +/- 1.99E-03 Jy Broad-band 56.0 x 38.1 arcsec integration area. 20032MASX.C.......: 11
12 H 10.455 +/- 0.032 mag 1.82E+14 6.73E-02 +/- 2.01E-03 Jy Broad-band 20032MASX.C.......: 12
13 H_14arcsec (2MASS) 11.886 +/- 0.017 mag 1.82E+14 1.80E-02 +/- 2.84E-04 Jy Broad-band 14.0 x 14.0 arcsec aperture. 20032MASX.C.......: 13
14 H (2MASS/CTIO) 13.93 +/- 0.22 mag 1.80E+14 2.74E-03 +/- 5.56E-04 Jy Broad-band Profile-fit; Poor quality 2006AJ....131.1163S 14
15 H (2MASS/CTIO) 12.776 +/- 0.019 mag 1.80E+14 7.94E-03 +/- 1.39E-04 Jy Broad-band 4" aperture 2006AJ....131.1163S 15
16 K_s (2MASS/CTIO) 13.477 +/- 0.134 mag 1.39E+14 2.71E-03 +/- 3.35E-04 Jy Broad-band Profile-fit 2006AJ....131.1163S 16
17 K_s (2MASS/CTIO) 12.599 +/- 0.052 mag 1.39E+14 6.09E-03 +/- 2.92E-04 Jy Broad-band 4" aperture 2006AJ....131.1163S 17
18 K_s_14arcsec (2MASS) 11.678 +/- 0.024 mag 1.38E+14 1.42E-02 +/- 3.18E-04 Jy Broad-band 14.0 x 14.0 arcsec aperture. 20032MASX.C.......: 18
19 K_s 10.426 +/- 0.054 mag 1.38E+14 4.50E-02 +/- 2.30E-03 Jy Broad-band 56.0 x 38.1 arcsec integration area. 20032MASX.C.......: 19
20 K_s 10.271 +/- 0.046 mag 1.38E+14 5.20E-02 +/- 2.25E-03 Jy Broad-band 20032MASX.C.......: 20
21 12 microns (IRAS) ... <1.659E-01 Jy 2.50E+13 < 1.66E-01 Jy Broad-band 1990IRASF.C...0000M 21
22 25 microns (IRAS) ... <4.183E-01 Jy 1.20E+13 < 4.18E-01 Jy Broad-band 1990IRASF.C...0000M 22
23 60 microns (IRAS) 2.718E+00 +/- 7 % Jy 5.00E+12 2.72E+00 +/- 1.90E-01 Jy Broad-band IRAS quality flag = 3 1990IRASF.C...0000M 23
24 100 microns (IRAS) 4.842E+00 +/- 8 % Jy 3.00E+12 4.84E+00 +/- 3.87E-01 Jy Broad-band IRAS quality flag = 2 1990IRASF.C...0000M 24
25 HI (21 cm line) 14.72 +/- 0.10 m_21 mag 1.42E+09 5.65E+04 +/- 5.45E+03 Jy-Hz Line m_21 equiv. to S(HI) = 5.649E-22 W m^-2 1991RC3.9.C...0000d 25
26 HI line (Parkes) 10.3 ... Jy km s^-1^ 1.42E+09 4.85E+04 ... Jy-Hz Line 2005MNRAS.361...34D 26
27 HI (21 cm line) 11.77 +/- 1.50 Jy km s^-1^ 1.42E+09 5.52E+04 +/- 7.04E+03 Jy-Hz Line 1989H&RHI.C...0000H 27
28 1.4GHz 27.4 +/- 1.7 milliJy 1.40E+09 2.74E-02 +/- 1.70E-03 Jy Broad-band 1998AJ....115.1693C 28


Detailed Information for Each Entry

 No. 1
Reference Code : 1991RC3.9.C...0000d
Freq. targeted : B (m_B)             
Measurement    :  13.31       mag                  = 2.02E-28 W m^-2^ Hz^-1^
Uncertainty    :  0.26        mag                  = 5.47E-29
Significance   : rms uncertainty
Freq or Vel.   : 4400         A            (OBS   )= 6.81E+14 Hz
Frequency mode : Broad-band measurement
Coord. targeted: 130024.2        - 74900 (B1950)
Spatial mode   : Multiple methods
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^0) Measurement : 13.01 mag = 2.66E-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: 130024.2 - 74900 (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. 3 Reference Code : 2005MNRAS.361...34D Freq. targeted : B_J Measurement : 13.3603 mag = 1.79E-28 W m^-2^ Hz^-1^ Uncertainty : mag = 0.00E+00 Significance : no uncertainty reported Freq or Vel. : 4680 A (OBS )= 6.41E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 130300.4 -080506.5 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers :
No. 4 Reference Code : 2005MNRAS.361...34D Freq. targeted : R Measurement : 13.3564 mag = 1.40E-28 W m^-2^ Hz^-1^ Uncertainty : mag = 0.00E+00 Significance : no uncertainty reported Freq or Vel. : 6400 A (OBS )= 4.68E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 130300.4 -080506.5 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers :
No. 5 Reference Code : 2005MNRAS.361...34D Freq. targeted : I Measurement : 13.0144 mag = 1.59E-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: 130300.4 -080506.5 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers :
No. 6 Reference Code : 2006AJ....131.1163S Freq. targeted : J (2MASS/CTIO) Measurement : 14.563 mag = 2.38E-29 W m^-2^ Hz^-1^ Uncertainty : 0.164 mag = 3.60E-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. 7 Reference Code : 2006AJ....131.1163S Freq. targeted : J (2MASS/CTIO) Measurement : 13.461 mag = 6.58E-29 W m^-2^ Hz^-1^ Uncertainty : 0.02 mag = 1.21E-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 : 20032MASX.C.......: Freq. targeted : J Measurement : 11.206 mag = 5.24E-28 W m^-2^ Hz^-1^ Uncertainty : 0.023 mag = 1.12E-29 Significance : 1 sigma uncert. Freq or Vel. : 1.25 microns (OBS )= 2.40E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 130300.57 -080505.9 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : 56.0 x 38.1 arcsec integration area.
No. 9 Reference Code : 20032MASX.C.......: Freq. targeted : J Measurement : 11.061 mag = 5.99E-28 W m^-2^ Hz^-1^ Uncertainty : 0.023 mag = 1.28E-29 Significance : 1 sigma uncert. Freq or Vel. : 1.25 microns (OBS )= 2.40E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 130300.57 -080505.9 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers :
No. 10 Reference Code : 20032MASX.C.......: Freq. targeted : J_14arcsec (2MASS) Measurement : 12.522 mag = 1.56E-28 W m^-2^ Hz^-1^ Uncertainty : 0.013 mag = 1.88E-30 Significance : 1 sigma uncert. Freq or Vel. : 1.25 microns (OBS )= 2.40E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 130300.57 -080505.9 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : 14.0 x 14.0 arcsec aperture.
No. 11 Reference Code : 20032MASX.C.......: Freq. targeted : H Measurement : 10.599 mag = 5.90E-28 W m^-2^ Hz^-1^ Uncertainty : 0.036 mag = 1.99E-29 Significance : 1 sigma uncert. Freq or Vel. : 1.65 microns (OBS )= 1.82E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 130300.57 -080505.9 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : 56.0 x 38.1 arcsec integration area.
No. 12 Reference Code : 20032MASX.C.......: Freq. targeted : H Measurement : 10.455 mag = 6.73E-28 W m^-2^ Hz^-1^ Uncertainty : 0.032 mag = 2.01E-29 Significance : 1 sigma uncert. Freq or Vel. : 1.65 microns (OBS )= 1.82E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 130300.57 -080505.9 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers :
No. 13 Reference Code : 20032MASX.C.......: Freq. targeted : H_14arcsec (2MASS) Measurement : 11.886 mag = 1.80E-28 W m^-2^ Hz^-1^ Uncertainty : 0.017 mag = 2.84E-30 Significance : 1 sigma uncert. Freq or Vel. : 1.65 microns (OBS )= 1.82E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 130300.57 -080505.9 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : 14.0 x 14.0 arcsec aperture.
No. 14 Reference Code : 2006AJ....131.1163S Freq. targeted : H (2MASS/CTIO) Measurement : 13.93 mag = 2.74E-29 W m^-2^ Hz^-1^ Uncertainty : 0.22 mag = 5.56E-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. 15 Reference Code : 2006AJ....131.1163S Freq. targeted : H (2MASS/CTIO) Measurement : 12.776 mag = 7.94E-29 W m^-2^ Hz^-1^ Uncertainty : 0.019 mag = 1.39E-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 : K_s (2MASS/CTIO) Measurement : 13.477 mag = 2.71E-29 W m^-2^ Hz^-1^ Uncertainty : 0.134 mag = 3.35E-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
No. 17 Reference Code : 2006AJ....131.1163S Freq. targeted : K_s (2MASS/CTIO) Measurement : 12.599 mag = 6.09E-29 W m^-2^ Hz^-1^ Uncertainty : 0.052 mag = 2.92E-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 : 20032MASX.C.......: Freq. targeted : K_s_14arcsec (2MASS) Measurement : 11.678 mag = 1.42E-28 W m^-2^ Hz^-1^ Uncertainty : 0.024 mag = 3.18E-30 Significance : 1 sigma uncert. Freq or Vel. : 2.17 microns (OBS )= 1.38E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 130300.57 -080505.9 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : 14.0 x 14.0 arcsec aperture.
No. 19 Reference Code : 20032MASX.C.......: Freq. targeted : K_s Measurement : 10.426 mag = 4.50E-28 W m^-2^ Hz^-1^ Uncertainty : 0.054 mag = 2.30E-29 Significance : 1 sigma uncert. Freq or Vel. : 2.17 microns (OBS )= 1.38E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 130300.57 -080505.9 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : 56.0 x 38.1 arcsec integration area.
No. 20 Reference Code : 20032MASX.C.......: Freq. targeted : K_s Measurement : 10.271 mag = 5.20E-28 W m^-2^ Hz^-1^ Uncertainty : 0.046 mag = 2.25E-29 Significance : 1 sigma uncert. Freq or Vel. : 2.17 microns (OBS )= 1.38E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 130300.57 -080505.9 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers :
No. 21 Reference Code : 1990IRASF.C...0000M Freq. targeted : 12 microns (IRAS) Measurement : <1.659E-01 Jy < 1.66E-27 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: 130024.2 -074901 (B1950) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers :
No. 22 Reference Code : 1990IRASF.C...0000M Freq. targeted : 25 microns (IRAS) Measurement : <4.183E-01 Jy < 4.18E-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: 130024.2 -074901 (B1950) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers :
No. 23 Reference Code : 1990IRASF.C...0000M Freq. targeted : 60 microns (IRAS) Measurement : 2.718E+00 Jy = 2.72E-26 W m^-2^ Hz^-1^ Uncertainty : 7 % Jy = 1.90E-27 Significance : uncertainty Freq or Vel. : 60 microns (OBS )= 5.00E+12 Hz Frequency mode : Broad-band measurement Coord. targeted: 130024.2 -074901 (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 : 100 microns (IRAS) Measurement : 4.842E+00 Jy = 4.84E-26 W m^-2^ Hz^-1^ Uncertainty : 8 % Jy = 3.87E-27 Significance : uncertainty Freq or Vel. : 100 microns (OBS )= 3.00E+12 Hz Frequency mode : Broad-band measurement Coord. targeted: 130024.2 -074901 (B1950) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : IRAS quality flag = 2
No. 25 Reference Code : 1991RC3.9.C...0000d Freq. targeted : HI (21 cm line) Measurement : 14.72 m_21 mag = 5.65E-22 W m^-2^ Uncertainty : 0.10 m_21 mag = 5.45E-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: 130024.2 - 74900 (B1950) Spatial mode : Multiple methods Notes : Homogenized from new and previously published data Qualifiers : m_21 equiv. to S(HI) = 5.649E-22 W m^-2
No. 26 Reference Code : 2005MNRAS.361...34D Freq. targeted : HI line (Parkes) Measurement : 10.3 Jy km s^-1^ = 4.85E-22 W m^-2^ Uncertainty : Jy km s^-1^ = 0.00E+00 Significance : no uncertainty reported Freq or Vel. : 1717.3 km s^-1^ (REST )= 1.42E+09 Hz Frequency mode : Line measurement; flux integrated over line; lines measured in emission Coord. targeted: 130259.8 -080352. (J2000) Spatial mode : Flux integrated from map Notes : Averaged from previously published data Qualifiers :
No. 27 Reference Code : 1989H&RHI.C...0000H Freq. targeted : HI (21 cm line) Measurement : 11.77 Jy km s^-1^ = 5.52E-22 W m^-2^ Uncertainty : 1.50 Jy km s^-1^ = 7.04E-23 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: 130024.4 -074856. (B1950) Spatial mode : Not reported in paper Notes : Transformed from previously published data Qualifiers :
No. 28 Reference Code : 1998AJ....115.1693C Freq. targeted : 1.4GHz Measurement : 27.4 milliJy = 2.74E-28 W m^-2^ Hz^-1^ Uncertainty : 1.7 milliJy = 1.70E-29 Significance : uncertainty Freq or Vel. : 1.40 GHz (OBS )= 1.40E+09 Hz Frequency mode : Broad-band measurement Coord. targeted: 13 03 0.36 -08 05 6.2 (J2000) Spatial mode : Flux integrated from map Notes : From new raw data Qualifiers :

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