NASA/IPAC EXTRAGALACTIC DATABASE
Date and Time of the Query: 2019-08-19 T17:48:39 PDT
Help | Comment | NED Home

Spectral Energy Distribution (SED) for IC 1687:

11 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 B (m_B) 14.58 +/- 0.18 mag 6.81E+14 6.27E-03 +/- 1.13E-03 Jy Broad-band 1991RC3.9.C...0000d 1
2 m_p 14.8 +/- 0.4 mag 6.81E+14 5.12E-03 +/- 2.28E-03 Jy Broad-band 1968CGCG6.C...0000Z 2
3 J 11.856 +/- 0.024 mag 2.40E+14 2.88E-02 +/- 6.44E-04 Jy Broad-band 34.0 x 23.8 arcsec integration area. 20032MASX.C.......: 3
4 J 11.626 +/- 0.025 mag 2.40E+14 3.56E-02 +/- 8.29E-04 Jy Broad-band 20032MASX.C.......: 4
5 J_14arcsec (2MASS) 12.231 +/- 0.010 mag 2.40E+14 2.04E-02 +/- 1.89E-04 Jy Broad-band 14.0 x 14.0 arcsec aperture. 20032MASX.C.......: 5
6 H 10.957 +/- 0.034 mag 1.82E+14 4.24E-02 +/- 1.35E-03 Jy Broad-band 20032MASX.C.......: 6
7 H 11.116 +/- 0.034 mag 1.82E+14 3.66E-02 +/- 1.17E-03 Jy Broad-band 34.0 x 23.8 arcsec integration area. 20032MASX.C.......: 7
8 H_14arcsec (2MASS) 11.503 +/- 0.013 mag 1.82E+14 2.57E-02 +/- 3.09E-04 Jy Broad-band 14.0 x 14.0 arcsec aperture. 20032MASX.C.......: 8
9 K_s 10.953 +/- 0.043 mag 1.38E+14 2.77E-02 +/- 1.12E-03 Jy Broad-band 34.0 x 23.8 arcsec integration area. 20032MASX.C.......: 9
10 K_s 10.807 +/- 0.038 mag 1.38E+14 3.17E-02 +/- 1.13E-03 Jy Broad-band 20032MASX.C.......: 10
11 K_s_14arcsec (2MASS) 11.239 +/- 0.014 mag 1.38E+14 2.13E-02 +/- 2.76E-04 Jy Broad-band 14.0 x 14.0 arcsec aperture. 20032MASX.C.......: 11


Detailed Information for Each Entry

 No. 1
Reference Code : 1991RC3.9.C...0000d
Freq. targeted : B (m_B)             
Measurement    :  14.58       mag                  = 6.27E-29 W m^-2^ Hz^-1^
Uncertainty    :  0.18        mag                  = 1.13E-29
Significance   : rms uncertainty
Freq or Vel.   : 4400         A            (OBS   )= 6.81E+14 Hz
Frequency mode : Broad-band measurement
Coord. targeted: 012030.2        +330101 (B1950)
Spatial mode   : Multiple methods
Notes          : Homogenized from new and previously published data; Standard
                 Johnson UBVRI filters assumed
Qualifiers     :                                         

No. 2 Reference Code : 1968CGCG6.C...0000Z Freq. targeted : m_p Measurement : 14.8 mag = 5.12E-29 W m^-2^ Hz^-1^ Uncertainty : 0.4 mag = 2.28E-29 Significance : rms noise Freq or Vel. : 4400 A (OBS )= 6.81E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 012030.0 +330200. (B1950) Spatial mode : Estimated by eye Notes : From new raw data Qualifiers :
No. 3 Reference Code : 20032MASX.C.......: Freq. targeted : J Measurement : 11.856 mag = 2.88E-28 W m^-2^ Hz^-1^ Uncertainty : 0.024 mag = 6.44E-30 Significance : 1 sigma uncert. Freq or Vel. : 1.25 microns (OBS )= 2.40E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 012319.14 +331639.3 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : 34.0 x 23.8 arcsec integration area.
No. 4 Reference Code : 20032MASX.C.......: Freq. targeted : J Measurement : 11.626 mag = 3.56E-28 W m^-2^ Hz^-1^ Uncertainty : 0.025 mag = 8.29E-30 Significance : 1 sigma uncert. Freq or Vel. : 1.25 microns (OBS )= 2.40E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 012319.14 +331639.3 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers :
No. 5 Reference Code : 20032MASX.C.......: Freq. targeted : J_14arcsec (2MASS) Measurement : 12.231 mag = 2.04E-28 W m^-2^ Hz^-1^ Uncertainty : 0.010 mag = 1.89E-30 Significance : 1 sigma uncert. Freq or Vel. : 1.25 microns (OBS )= 2.40E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 012319.14 +331639.3 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : 14.0 x 14.0 arcsec aperture.
No. 6 Reference Code : 20032MASX.C.......: Freq. targeted : H Measurement : 10.957 mag = 4.24E-28 W m^-2^ Hz^-1^ Uncertainty : 0.034 mag = 1.35E-29 Significance : 1 sigma uncert. Freq or Vel. : 1.65 microns (OBS )= 1.82E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 012319.14 +331639.3 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers :
No. 7 Reference Code : 20032MASX.C.......: Freq. targeted : H Measurement : 11.116 mag = 3.66E-28 W m^-2^ Hz^-1^ Uncertainty : 0.034 mag = 1.17E-29 Significance : 1 sigma uncert. Freq or Vel. : 1.65 microns (OBS )= 1.82E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 012319.14 +331639.3 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data; Corrected for contaminating sources Qualifiers : 34.0 x 23.8 arcsec integration area.
No. 8 Reference Code : 20032MASX.C.......: Freq. targeted : H_14arcsec (2MASS) Measurement : 11.503 mag = 2.57E-28 W m^-2^ Hz^-1^ Uncertainty : 0.013 mag = 3.09E-30 Significance : 1 sigma uncert. Freq or Vel. : 1.65 microns (OBS )= 1.82E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 012319.14 +331639.3 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data; Corrected for contaminating sources Qualifiers : 14.0 x 14.0 arcsec aperture.
No. 9 Reference Code : 20032MASX.C.......: Freq. targeted : K_s Measurement : 10.953 mag = 2.77E-28 W m^-2^ Hz^-1^ Uncertainty : 0.043 mag = 1.12E-29 Significance : 1 sigma uncert. Freq or Vel. : 2.17 microns (OBS )= 1.38E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 012319.14 +331639.3 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : 34.0 x 23.8 arcsec integration area.
No. 10 Reference Code : 20032MASX.C.......: Freq. targeted : K_s Measurement : 10.807 mag = 3.17E-28 W m^-2^ Hz^-1^ Uncertainty : 0.038 mag = 1.13E-29 Significance : 1 sigma uncert. Freq or Vel. : 2.17 microns (OBS )= 1.38E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 012319.14 +331639.3 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers :
No. 11 Reference Code : 20032MASX.C.......: Freq. targeted : K_s_14arcsec (2MASS) Measurement : 11.239 mag = 2.13E-28 W m^-2^ Hz^-1^ Uncertainty : 0.014 mag = 2.76E-30 Significance : 1 sigma uncert. Freq or Vel. : 2.17 microns (OBS )= 1.38E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 012319.14 +331639.3 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : 14.0 x 14.0 arcsec aperture.

Back to NED Home