NASA/IPAC EXTRAGALACTIC DATABASE
Date and Time of the Query: 2019-06-17 T17:21:04 PDT
Help | Comment | NED Home

Spectral Energy Distribution (SED) for NGC 6646:

21 Data Points
 Click to zoom in at a position of interest (uses a separate window). 
Select zoom factor:  

                Postscript version of the SED plot






  New options   Format tabular data as:


Photometric Data --- Published and Homogenized [Frequency, Flux Density] Units

  Published UnitsHomogenized Units [Frequency, Flux Density]  
No.Observed PassbandMeasurementUncertaintyUnitsFreq (Hz)MeasurementUncertaintyUnitsModeAperture/QualifiersReference CodeNo.
1 U (U_T) 13.99 +/- 0.21 mag 8.19E+14 4.59E-03 +/- 9.60E-04 Jy Broad-band 1991RC3.9.C...0000d 1
2 B (B_T) 13.50 +/- 0.20 mag 6.81E+14 1.70E-02 +/- 3.43E-03 Jy Broad-band 1991RC3.9.C...0000d 2
3 B (m_B) 13.69 +/- 0.18 mag 6.81E+14 1.42E-02 +/- 2.57E-03 Jy Broad-band 1991RC3.9.C...0000d 3
4 m_p 13.7 +/- 0.4 mag 6.81E+14 1.41E-02 +/- 6.28E-03 Jy Broad-band 1966CGCG3.C...0000Z 4
5 V (V_T) 12.55 +/- 0.20 mag 5.42E+14 3.48E-02 +/- 7.18E-03 Jy Broad-band 1991RC3.9.C...0000d 5
6 J (2MASS/FLWO) 12.749 +/- 0.054 mag 2.43E+14 1.27E-02 +/- 6.30E-04 Jy Broad-band Profile-fit; Poor quality 2006AJ....131.1163S 6
7 J (2MASS/FLWO) 12.314 +/- 0.006 mag 2.43E+14 1.89E-02 +/- 1.05E-04 Jy Broad-band 4" aperture 2006AJ....131.1163S 7
8 J 10.343 +/- 0.016 mag 2.40E+14 1.16E-01 +/- 1.72E-03 Jy Broad-band 83.0 x 68.1 arcsec integration area. 20032MASX.C.......: 8
9 J 10.183 +/- 0.017 mag 2.40E+14 1.35E-01 +/- 2.12E-03 Jy Broad-band 20032MASX.C.......: 9
10 J_14arcsec (2MASS) 11.679 +/- 0.005 mag 2.40E+14 3.39E-02 +/- 1.57E-04 Jy Broad-band 14.0 x 14.0 arcsec aperture. 20032MASX.C.......: 10
11 H 9.480 +/- 0.016 mag 1.82E+14 1.65E-01 +/- 2.45E-03 Jy Broad-band 20032MASX.C.......: 11
12 H_14arcsec (2MASS) 10.950 +/- 0.005 mag 1.82E+14 4.27E-02 +/- 1.97E-04 Jy Broad-band 14.0 x 14.0 arcsec aperture. 20032MASX.C.......: 12
13 H 9.632 +/- 0.017 mag 1.82E+14 1.44E-01 +/- 2.27E-03 Jy Broad-band 83.0 x 68.1 arcsec integration area. 20032MASX.C.......: 13
14 H (2MASS/FLWO) 11.559 +/- 0.012 mag 1.80E+14 2.44E-02 +/- 2.69E-04 Jy Broad-band 4" aperture 2006AJ....131.1163S 14
15 H (2MASS/FLWO) 12.073 +/- 0.062 mag 1.80E+14 1.52E-02 +/- 8.66E-04 Jy Broad-band Profile-fit; Poor quality 2006AJ....131.1163S 15
16 K_s (2MASS/FLWO) 11.581 +/- 0.046 mag 1.39E+14 1.55E-02 +/- 6.59E-04 Jy Broad-band Profile-fit; Poor quality 2006AJ....131.1163S 16
17 K_s (2MASS/FLWO) 11.277 +/- 0.008 mag 1.39E+14 2.06E-02 +/- 1.52E-04 Jy Broad-band 4" aperture 2006AJ....131.1163S 17
18 K_s_14arcsec (2MASS) 10.656 +/- 0.008 mag 1.38E+14 3.64E-02 +/- 2.70E-04 Jy Broad-band 14.0 x 14.0 arcsec aperture. 20032MASX.C.......: 18
19 K_s 9.196 +/- 0.027 mag 1.38E+14 1.40E-01 +/- 3.52E-03 Jy Broad-band 20032MASX.C.......: 19
20 K_s 9.348 +/- 0.029 mag 1.38E+14 1.22E-01 +/- 3.29E-03 Jy Broad-band 83.0 x 68.1 arcsec integration area. 20032MASX.C.......: 20
21 170 microns (ISO) 0.71 +/- 30 % Jy 1.76E+12 7.10E-01 +/- 2.13E-01 Jy Broad-band 2004A&A...422...39S 21


Detailed Information for Each Entry

 No. 1
Reference Code : 1991RC3.9.C...0000d
Freq. targeted : U (U_T)             
Measurement    :  13.99       mag                  = 4.59E-29 W m^-2^ Hz^-1^
Uncertainty    :  0.21        mag                  = 9.60E-30
Significance   : rms uncertainty
Freq or Vel.   : 3660         A            (OBS   )= 8.19E+14 Hz
Frequency mode : Broad-band measurement
Coord. targeted: 182800.3        +394946 (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) Measurement : 13.50 mag = 1.70E-28 W m^-2^ Hz^-1^ Uncertainty : 0.20 mag = 3.43E-29 Significance : rms uncertainty Freq or Vel. : 4400 A (OBS )= 6.81E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 182800.3 +394946 (B1950) Spatial mode : From multi-aperture data 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 (m_B) Measurement : 13.69 mag = 1.42E-28 W m^-2^ Hz^-1^ Uncertainty : 0.18 mag = 2.57E-29 Significance : rms uncertainty Freq or Vel. : 4400 A (OBS )= 6.81E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 182800.3 +394946 (B1950) Spatial mode : Multiple methods Notes : Homogenized from new and previously published data; Standard Johnson UBVRI filters assumed Qualifiers :
No. 4 Reference Code : 1966CGCG3.C...0000Z Freq. targeted : m_p Measurement : 13.7 mag = 1.41E-28 W m^-2^ Hz^-1^ Uncertainty : 0.4 mag = 6.28E-29 Significance : rms noise Freq or Vel. : 4400 A (OBS )= 6.81E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 182800.0 +395000. (B1950) Spatial mode : Estimated by eye Notes : From new raw data Qualifiers :
No. 5 Reference Code : 1991RC3.9.C...0000d Freq. targeted : V (V_T) Measurement : 12.55 mag = 3.48E-28 W m^-2^ Hz^-1^ Uncertainty : 0.20 mag = 7.18E-29 Significance : rms uncertainty Freq or Vel. : 5530 A (OBS )= 5.42E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 182800.3 +394946 (B1950) Spatial mode : From multi-aperture data Notes : Homogenized from new and previously published data; Standard Johnson UBVRI filters assumed Qualifiers :
No. 6 Reference Code : 2006AJ....131.1163S Freq. targeted : J (2MASS/FLWO) Measurement : 12.749 mag = 1.27E-28 W m^-2^ Hz^-1^ Uncertainty : 0.054 mag = 6.30E-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/FLWO) Measurement : 12.314 mag = 1.89E-28 W m^-2^ Hz^-1^ Uncertainty : 0.006 mag = 1.05E-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 : 10.343 mag = 1.16E-27 W m^-2^ Hz^-1^ Uncertainty : 0.016 mag = 1.72E-29 Significance : 1 sigma uncert. Freq or Vel. : 1.25 microns (OBS )= 2.40E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 182938.73 +395154.5 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : 83.0 x 68.1 arcsec integration area.
No. 9 Reference Code : 20032MASX.C.......: Freq. targeted : J Measurement : 10.183 mag = 1.35E-27 W m^-2^ Hz^-1^ Uncertainty : 0.017 mag = 2.12E-29 Significance : 1 sigma uncert. Freq or Vel. : 1.25 microns (OBS )= 2.40E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 182938.73 +395154.5 (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 : 11.679 mag = 3.39E-28 W m^-2^ Hz^-1^ Uncertainty : 0.005 mag = 1.57E-30 Significance : 1 sigma uncert. Freq or Vel. : 1.25 microns (OBS )= 2.40E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 182938.73 +395154.5 (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 : 9.480 mag = 1.65E-27 W m^-2^ Hz^-1^ Uncertainty : 0.016 mag = 2.45E-29 Significance : 1 sigma uncert. Freq or Vel. : 1.65 microns (OBS )= 1.82E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 182938.73 +395154.5 (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 : 10.950 mag = 4.27E-28 W m^-2^ Hz^-1^ Uncertainty : 0.005 mag = 1.97E-30 Significance : 1 sigma uncert. Freq or Vel. : 1.65 microns (OBS )= 1.82E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 182938.73 +395154.5 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : 14.0 x 14.0 arcsec aperture.
No. 13 Reference Code : 20032MASX.C.......: Freq. targeted : H Measurement : 9.632 mag = 1.44E-27 W m^-2^ Hz^-1^ Uncertainty : 0.017 mag = 2.27E-29 Significance : 1 sigma uncert. Freq or Vel. : 1.65 microns (OBS )= 1.82E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 182938.73 +395154.5 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : 83.0 x 68.1 arcsec integration area.
No. 14 Reference Code : 2006AJ....131.1163S Freq. targeted : H (2MASS/FLWO) Measurement : 11.559 mag = 2.44E-28 W m^-2^ Hz^-1^ Uncertainty : 0.012 mag = 2.69E-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. 15 Reference Code : 2006AJ....131.1163S Freq. targeted : H (2MASS/FLWO) Measurement : 12.073 mag = 1.52E-28 W m^-2^ Hz^-1^ Uncertainty : 0.062 mag = 8.66E-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. 16 Reference Code : 2006AJ....131.1163S Freq. targeted : K_s (2MASS/FLWO) Measurement : 11.581 mag = 1.55E-28 W m^-2^ Hz^-1^ Uncertainty : 0.046 mag = 6.59E-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. 17 Reference Code : 2006AJ....131.1163S Freq. targeted : K_s (2MASS/FLWO) Measurement : 11.277 mag = 2.06E-28 W m^-2^ Hz^-1^ Uncertainty : 0.008 mag = 1.52E-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 : 10.656 mag = 3.64E-28 W m^-2^ Hz^-1^ Uncertainty : 0.008 mag = 2.70E-30 Significance : 1 sigma uncert. Freq or Vel. : 2.17 microns (OBS )= 1.38E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 182938.73 +395154.5 (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 : 9.196 mag = 1.40E-27 W m^-2^ Hz^-1^ Uncertainty : 0.027 mag = 3.52E-29 Significance : 1 sigma uncert. Freq or Vel. : 2.17 microns (OBS )= 1.38E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 182938.73 +395154.5 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers :
No. 20 Reference Code : 20032MASX.C.......: Freq. targeted : K_s Measurement : 9.348 mag = 1.22E-27 W m^-2^ Hz^-1^ Uncertainty : 0.029 mag = 3.29E-29 Significance : 1 sigma uncert. Freq or Vel. : 2.17 microns (OBS )= 1.38E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 182938.73 +395154.5 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : 83.0 x 68.1 arcsec integration area.
No. 21 Reference Code : 2004A&A...422...39S Freq. targeted : 170 microns (ISO) Measurement : 0.71 Jy = 7.10E-27 W m^-2^ Hz^-1^ Uncertainty : 30 % Jy = 2.13E-27 Significance : uncertainty Freq or Vel. : 170 microns (OBS )= 1.76E+12 Hz Frequency mode : Broad-band measurement Coord. targeted: 18 29 30.39 +39 52 47.0 (J2000) Spatial mode : Integrated from scans Notes : Averaged from previously published data Qualifiers :

Back to NED Home