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Date and Time of the Query: 2019-02-22 T18:20:12 PST
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Spectral Energy Distribution (SED) for NGC 3879:

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 (m_B) 13.59 +/- 0.19 mag 6.81E+14 1.56E-02 +/- 2.99E-03 Jy Broad-band 1991RC3.9.C...0000d 1
2 B (m_B^0) 12.67 ... mag 6.81E+14 3.64E-02 ... Jy Broad-band 1991RC3.9.C...0000d 2
3 m_p 13.5 +/- 0.4 mag 6.81E+14 1.70E-02 +/- 7.55E-03 Jy Broad-band 1968CGCG4.C...0000Z 3
4 J (2MASS/FLWO) 16.022 +/- 0.165 mag 2.43E+14 6.22E-04 +/- 9.45E-05 Jy Broad-band Profile-fit; Confusion 2006AJ....131.1163S 4
5 J (2MASS/FLWO) ... >14.825 mag 2.43E+14 < 1.87E-03 Jy Broad-band 2006AJ....131.1163S 5
6 J (2MASS/FLWO) 14.887 +/- 0.061 mag 2.43E+14 1.77E-03 +/- 9.94E-05 Jy Broad-band 4" aperture; Confusion 2006AJ....131.1163S 6
7 J 12.670 +/- 0.042 mag 2.40E+14 1.36E-02 +/- 5.37E-04 Jy Broad-band 48.4 x 23.2 arcsec integration area. 20032MASX.C.......: 7
8 J 11.977 +/- 0.045 mag 2.40E+14 2.58E-02 +/- 1.09E-03 Jy Broad-band 20032MASX.C.......: 8
9 J_14arcsec (2MASS) 13.897 +/- 0.036 mag 2.40E+14 4.40E-03 +/- 1.48E-04 Jy Broad-band 14.0 x 14.0 arcsec aperture. 20032MASX.C.......: 9
10 H 12.276 +/- 0.065 mag 1.82E+14 1.26E-02 +/- 7.77E-04 Jy Broad-band 48.4 x 23.2 arcsec integration area. 20032MASX.C.......: 10
11 H 11.752 +/- 0.081 mag 1.82E+14 2.04E-02 +/- 1.58E-03 Jy Broad-band 20032MASX.C.......: 11
12 H_14arcsec (2MASS) 13.421 +/- 0.051 mag 1.82E+14 4.38E-03 +/- 2.11E-04 Jy Broad-band 14.0 x 14.0 arcsec aperture. 20032MASX.C.......: 12
13 H (HCO) 12.26 +/- 0.03 mag 1.82E+14 1.22E-02 +/- 3.43E-04 Jy Broad-band 36.2" aperture 1982ApJS...50..241A 13
14 H (HCO) 12.76 +/- 0.04 mag 1.82E+14 7.71E-03 +/- 2.90E-04 Jy Broad-band 22.5" aperture 1982ApJS...50..241A 14
15 H (2MASS/FLWO) ... >14.388 mag 1.80E+14 < 1.80E-03 Jy Broad-band 2006AJ....131.1163S 15
16 H (2MASS/FLWO) 15.585 +/- 0.22 mag 1.80E+14 5.97E-04 +/- 1.21E-04 Jy Broad-band Profile-fit 2006AJ....131.1163S 16
17 H (2MASS/FLWO) 14.364 +/- 0.074 mag 1.80E+14 1.84E-03 +/- 1.25E-04 Jy Broad-band 4" aperture 2006AJ....131.1163S 17
18 K_s (2MASS/FLWO) ... >14.111 mag 1.39E+14 < 1.51E-03 Jy Broad-band 2006AJ....131.1163S 18
19 K_s (2MASS/FLWO) ... >14.176 mag 1.39E+14 < 1.42E-03 Jy Broad-band 2006AJ....131.1163S 19
20 K_s_14arcsec (2MASS) 13.200 +/- 0.074 mag 1.38E+14 3.50E-03 +/- 2.47E-04 Jy Broad-band 14.0 x 14.0 arcsec aperture. 20032MASX.C.......: 20
21 K_s 11.328 +/- 0.098 mag 1.38E+14 1.96E-02 +/- 1.85E-03 Jy Broad-band 20032MASX.C.......: 21
22 K_s 11.913 +/- 0.092 mag 1.38E+14 1.15E-02 +/- 1.01E-03 Jy Broad-band 48.4 x 23.2 arcsec integration area. 20032MASX.C.......: 22
23 12 microns (IRAS) ... <7.205E-02 Jy 2.50E+13 < 7.21E-02 Jy Broad-band 1990IRASF.C...0000M 23
24 25 microns (IRAS) ... <6.498E-02 Jy 1.20E+13 < 6.50E-02 Jy Broad-band 1990IRASF.C...0000M 24
25 60 microns (IRAS) 5.245E-01 +/- 8 % Jy 5.00E+12 5.25E-01 +/- 4.20E-02 Jy Broad-band IRAS quality flag = 3 1990IRASF.C...0000M 25
26 100 microns (IRAS) 1.030E+00 +/- 13 % Jy 3.00E+12 1.03E+00 +/- 1.34E-01 Jy Broad-band IRAS quality flag = 2 1990IRASF.C...0000M 26
27 HI (21 cm line) 14.51 +/- 0.10 m_21 mag 1.42E+09 6.86E+04 +/- 6.61E+03 Jy-Hz Line m_21 equiv. to S(HI) = 6.855E-22 W m^-2 1991RC3.9.C...0000d 27
28 HI (21 cm line) 14.08 ... Jy km s^-1^ 1.42E+09 6.61E+04 ... Jy-Hz Line 1989H&RHI.C...0000H 28
29 1.4GHz 3.2 +/- 0.6 milliJy 1.40E+09 3.20E-03 +/- 6.00E-04 Jy Broad-band 1998AJ....115.1693C 29
30 1.4 GHz (VLA) 2.6 ... milliJy 1.40E+09 2.60E-03 ... Jy Broad-band 2002AJ....124..675C 30


Detailed Information for Each Entry

 No. 1
Reference Code : 1991RC3.9.C...0000d
Freq. targeted : B (m_B)             
Measurement    :  13.59       mag                  = 1.56E-28 W m^-2^ Hz^-1^
Uncertainty    :  0.19        mag                  = 2.99E-29
Significance   : rms uncertainty
Freq or Vel.   : 4400         A            (OBS   )= 6.81E+14 Hz
Frequency mode : Broad-band measurement
Coord. targeted: 114404.5        +693935 (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 : 12.67 mag = 3.64E-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: 114404.5 +693935 (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 : 1968CGCG4.C...0000Z Freq. targeted : m_p Measurement : 13.5 mag = 1.70E-28 W m^-2^ Hz^-1^ Uncertainty : 0.4 mag = 7.55E-29 Significance : rms noise Freq or Vel. : 4400 A (OBS )= 6.81E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 114406.0 +694000. (B1950) Spatial mode : Estimated by eye Notes : From new raw data Qualifiers :
No. 4 Reference Code : 2006AJ....131.1163S Freq. targeted : J (2MASS/FLWO) Measurement : 16.022 mag = 6.22E-30 W m^-2^ Hz^-1^ Uncertainty : 0.165 mag = 9.45E-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 : Profile-fit; Confusion
No. 5 Reference Code : 2006AJ....131.1163S Freq. targeted : J (2MASS/FLWO) Measurement : >14.825 mag < 1.87E-29 W m^-2^ Hz^-1^ Uncertainty : Significance : 95% confidence 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 :
No. 6 Reference Code : 2006AJ....131.1163S Freq. targeted : J (2MASS/FLWO) Measurement : 14.887 mag = 1.77E-29 W m^-2^ Hz^-1^ Uncertainty : 0.061 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; Confusion
No. 7 Reference Code : 20032MASX.C.......: Freq. targeted : J Measurement : 12.670 mag = 1.36E-28 W m^-2^ Hz^-1^ Uncertainty : 0.042 mag = 5.37E-30 Significance : 1 sigma uncert. Freq or Vel. : 1.25 microns (OBS )= 2.40E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 114649.42 +692301.3 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : 48.4 x 23.2 arcsec integration area.
No. 8 Reference Code : 20032MASX.C.......: Freq. targeted : J Measurement : 11.977 mag = 2.58E-28 W m^-2^ Hz^-1^ Uncertainty : 0.045 mag = 1.09E-29 Significance : 1 sigma uncert. Freq or Vel. : 1.25 microns (OBS )= 2.40E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 114649.42 +692301.3 (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 : 13.897 mag = 4.40E-29 W m^-2^ Hz^-1^ Uncertainty : 0.036 mag = 1.48E-30 Significance : 1 sigma uncert. Freq or Vel. : 1.25 microns (OBS )= 2.40E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 114649.42 +692301.3 (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 : 12.276 mag = 1.26E-28 W m^-2^ Hz^-1^ Uncertainty : 0.065 mag = 7.77E-30 Significance : 1 sigma uncert. Freq or Vel. : 1.65 microns (OBS )= 1.82E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 114649.42 +692301.3 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : 48.4 x 23.2 arcsec integration area.
No. 11 Reference Code : 20032MASX.C.......: Freq. targeted : H Measurement : 11.752 mag = 2.04E-28 W m^-2^ Hz^-1^ Uncertainty : 0.081 mag = 1.58E-29 Significance : 1 sigma uncert. Freq or Vel. : 1.65 microns (OBS )= 1.82E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 114649.42 +692301.3 (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 : 13.421 mag = 4.38E-29 W m^-2^ Hz^-1^ Uncertainty : 0.051 mag = 2.11E-30 Significance : 1 sigma uncert. Freq or Vel. : 1.65 microns (OBS )= 1.82E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 114649.42 +692301.3 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : 14.0 x 14.0 arcsec aperture.
No. 13 Reference Code : 1982ApJS...50..241A Freq. targeted : H (HCO) Measurement : 12.26 mag = 1.22E-28 W m^-2^ Hz^-1^ Uncertainty : 0.03 mag = 3.43E-30 Significance : uncertainty Freq or Vel. : 1.65 microns (OBS )= 1.82E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : 36.2" aperture
No. 14 Reference Code : 1982ApJS...50..241A Freq. targeted : H (HCO) Measurement : 12.76 mag = 7.71E-29 W m^-2^ Hz^-1^ Uncertainty : 0.04 mag = 2.90E-30 Significance : uncertainty Freq or Vel. : 1.65 microns (OBS )= 1.82E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : 22.5" aperture
No. 15 Reference Code : 2006AJ....131.1163S Freq. targeted : H (2MASS/FLWO) Measurement : >14.388 mag < 1.80E-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. 16 Reference Code : 2006AJ....131.1163S Freq. targeted : H (2MASS/FLWO) Measurement : 15.585 mag = 5.97E-30 W m^-2^ Hz^-1^ Uncertainty : 0.22 mag = 1.21E-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
No. 17 Reference Code : 2006AJ....131.1163S Freq. targeted : H (2MASS/FLWO) Measurement : 14.364 mag = 1.84E-29 W m^-2^ Hz^-1^ Uncertainty : 0.074 mag = 1.25E-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. 18 Reference Code : 2006AJ....131.1163S Freq. targeted : K_s (2MASS/FLWO) Measurement : >14.111 mag < 1.51E-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. 19 Reference Code : 2006AJ....131.1163S Freq. targeted : K_s (2MASS/FLWO) Measurement : >14.176 mag < 1.42E-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. 20 Reference Code : 20032MASX.C.......: Freq. targeted : K_s_14arcsec (2MASS) Measurement : 13.200 mag = 3.50E-29 W m^-2^ Hz^-1^ Uncertainty : 0.074 mag = 2.47E-30 Significance : 1 sigma uncert. Freq or Vel. : 2.17 microns (OBS )= 1.38E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 114649.42 +692301.3 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : 14.0 x 14.0 arcsec aperture.
No. 21 Reference Code : 20032MASX.C.......: Freq. targeted : K_s Measurement : 11.328 mag = 1.96E-28 W m^-2^ Hz^-1^ Uncertainty : 0.098 mag = 1.85E-29 Significance : 1 sigma uncert. Freq or Vel. : 2.17 microns (OBS )= 1.38E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 114649.42 +692301.3 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers :
No. 22 Reference Code : 20032MASX.C.......: Freq. targeted : K_s Measurement : 11.913 mag = 1.15E-28 W m^-2^ Hz^-1^ Uncertainty : 0.092 mag = 1.01E-29 Significance : 1 sigma uncert. Freq or Vel. : 2.17 microns (OBS )= 1.38E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 114649.42 +692301.3 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : 48.4 x 23.2 arcsec integration area.
No. 23 Reference Code : 1990IRASF.C...0000M Freq. targeted : 12 microns (IRAS) Measurement : <7.205E-02 Jy < 7.21E-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: 114403.7 +693953 (B1950) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers :
No. 24 Reference Code : 1990IRASF.C...0000M Freq. targeted : 25 microns (IRAS) Measurement : <6.498E-02 Jy < 6.50E-28 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: 114403.7 +693953 (B1950) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers :
No. 25 Reference Code : 1990IRASF.C...0000M Freq. targeted : 60 microns (IRAS) Measurement : 5.245E-01 Jy = 5.25E-27 W m^-2^ Hz^-1^ Uncertainty : 8 % Jy = 4.20E-28 Significance : uncertainty Freq or Vel. : 60 microns (OBS )= 5.00E+12 Hz Frequency mode : Broad-band measurement Coord. targeted: 114403.7 +693953 (B1950) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : IRAS quality flag = 3
No. 26 Reference Code : 1990IRASF.C...0000M Freq. targeted : 100 microns (IRAS) Measurement : 1.030E+00 Jy = 1.03E-26 W m^-2^ Hz^-1^ Uncertainty : 13 % Jy = 1.34E-27 Significance : uncertainty Freq or Vel. : 100 microns (OBS )= 3.00E+12 Hz Frequency mode : Broad-band measurement Coord. targeted: 114403.7 +693953 (B1950) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : IRAS quality flag = 2
No. 27 Reference Code : 1991RC3.9.C...0000d Freq. targeted : HI (21 cm line) Measurement : 14.51 m_21 mag = 6.86E-22 W m^-2^ Uncertainty : 0.10 m_21 mag = 6.61E-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: 114404.5 +693935 (B1950) Spatial mode : Multiple methods Notes : Homogenized from new and previously published data Qualifiers : m_21 equiv. to S(HI) = 6.855E-22 W m^-2
No. 28 Reference Code : 1989H&RHI.C...0000H Freq. targeted : HI (21 cm line) Measurement : 14.08 Jy km s^-1^ = 6.61E-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: 114404.5 +693935. (B1950) Spatial mode : Not reported in paper Notes : Transformed from previously published data Qualifiers :
No. 29 Reference Code : 1998AJ....115.1693C Freq. targeted : 1.4GHz Measurement : 3.2 milliJy = 3.20E-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: 11 46 52.44 +69 22 55.2 (J2000) Spatial mode : Flux integrated from map Notes : From new raw data Qualifiers :
No. 30 Reference Code : 2002AJ....124..675C Freq. targeted : 1.4 GHz (VLA) Measurement : 2.6 milliJy = 2.60E-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 :

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