NASA/IPAC EXTRAGALACTIC DATABASE
Date and Time of the Query: 2019-04-20 T07:25:34 PDT
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Spectral Energy Distribution (SED) for NGC 1917:

25 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 J (2MASS/CTIO) 12.711 +/- 0.048 mag 2.43E+14 1.31E-02 +/- 5.80E-04 Jy Broad-band Profile-fit 2006AJ....131.1163S 1
2 J (2MASS/CTIO) 12.607 +/- 0.013 mag 2.43E+14 1.44E-02 +/- 1.73E-04 Jy Broad-band 4" aperture 2006AJ....131.1163S 2
3 J 11.196 +/- 0.035 mag 2.40E+14 5.29E-02 +/- 1.73E-03 Jy Broad-band 20032MASX.C.......: 3
4 J_14arcsec (2MASS) 12.086 +/- 0.020 mag 2.40E+14 2.33E-02 +/- 4.33E-04 Jy Broad-band 14.0 x 14.0 arcsec aperture. 20032MASX.C.......: 4
5 J 11.391 +/- 0.039 mag 2.40E+14 4.42E-02 +/- 1.62E-03 Jy Broad-band 44.4 x 18.6 arcsec integration area. 20032MASX.C.......: 5
6 H_14arcsec (2MASS) 11.369 +/- 0.021 mag 1.82E+14 2.90E-02 +/- 5.67E-04 Jy Broad-band 14.0 x 14.0 arcsec aperture. 20032MASX.C.......: 6
7 H 10.755 +/- 0.076 mag 1.82E+14 5.11E-02 +/- 3.70E-03 Jy Broad-band 20032MASX.C.......: 7
8 H 10.755 +/- 0.048 mag 1.82E+14 5.11E-02 +/- 2.31E-03 Jy Broad-band 44.4 x 18.6 arcsec integration area. 20032MASX.C.......: 8
9 H (2MASS/CTIO) 11.864 +/- 0.042 mag 1.80E+14 1.84E-02 +/- 7.12E-04 Jy Broad-band Profile-fit 2006AJ....131.1163S 9
10 H (2MASS/CTIO) 11.769 +/- 0.014 mag 1.80E+14 2.01E-02 +/- 2.59E-04 Jy Broad-band 4" aperture 2006AJ....131.1163S 10
11 K_s (2MASS/CTIO) 11.527 +/- 0.018 mag 1.39E+14 1.63E-02 +/- 2.71E-04 Jy Broad-band 4" aperture 2006AJ....131.1163S 11
12 K_s (2MASS/CTIO) 11.604 +/- 0.038 mag 1.39E+14 1.52E-02 +/- 5.33E-04 Jy Broad-band Profile-fit 2006AJ....131.1163S 12
13 K_s 10.578 +/- 0.059 mag 1.38E+14 3.92E-02 +/- 2.19E-03 Jy Broad-band 44.4 x 18.6 arcsec integration area. 20032MASX.C.......: 13
14 K_s 10.519 +/- 0.052 mag 1.38E+14 4.13E-02 +/- 2.03E-03 Jy Broad-band 20032MASX.C.......: 14
15 K_s_14arcsec (2MASS) 11.154 +/- 0.024 mag 1.38E+14 2.30E-02 +/- 5.15E-04 Jy Broad-band 14.0 x 14.0 arcsec aperture. 20032MASX.C.......: 15
16 3.6 microns (IRAC) 6.6688E+03 +/- 6.2287E+00 microJy 8.44E+13 6.67E-03 +/- 6.23E-06 Jy Broad-band 3.8" aperture 2013SSTSLC4.2....0C 16
17 3.6 microns (IRAC) 7.4475E+03 +/- 6.2327E+00 microJy 8.44E+13 7.45E-03 +/- 6.23E-06 Jy Broad-band 5.8" aperture 2013SSTSLC4.2....0C 17
18 4.5 microns (IRAC) 3.8161E+03 +/- 8.1798E+00 microJy 6.67E+13 3.82E-03 +/- 8.18E-06 Jy Broad-band 3.8" aperture 2013SSTSLC4.2....0C 18
19 4.5 microns (IRAC) 4.2541E+03 +/- 8.1267E+00 microJy 6.67E+13 4.25E-03 +/- 8.13E-06 Jy Broad-band 5.8" aperture 2013SSTSLC4.2....0C 19
20 5.8 microns (IRAC) 2.7766E+03 +/- 1.0930E+01 microJy 5.23E+13 2.78E-03 +/- 1.09E-05 Jy Broad-band 3.8" aperture 2013SSTSLC4.2....0C 20
21 5.8 microns (IRAC) 3.0169E+03 +/- 1.1427E+01 microJy 5.23E+13 3.02E-03 +/- 1.14E-05 Jy Broad-band 5.8" aperture 2013SSTSLC4.2....0C 21
22 8.0 microns (IRAC) 1.6400E+03 +/- 9.4645E+00 microJy 3.81E+13 1.64E-03 +/- 9.46E-06 Jy Broad-band 3.8" aperture 2013SSTSLC4.2....0C 22
23 8.0 microns (IRAC) 1.7009E+03 +/- 1.1397E+01 microJy 3.81E+13 1.70E-03 +/- 1.14E-05 Jy Broad-band 5.8" aperture 2013SSTSLC4.2....0C 23
24 24 microns (MIPS) 2.0546E+02 +/- 2.0965E+01 microJy 1.27E+13 2.05E-04 +/- 2.10E-05 Jy Broad-band PSF fit 2013SSTSLC4.2....0C 24
25 24 microns (MIPS) 2.0653E+02 +/- 1.9613E+01 microJy 1.27E+13 2.07E-04 +/- 1.96E-05 Jy Broad-band 14.7" aperture 2013SSTSLC4.2....0C 25


Detailed Information for Each Entry

 No. 1
Reference Code : 2006AJ....131.1163S
Freq. targeted : J (2MASS/CTIO)      
Measurement    :  12.711      mag                  = 1.31E-28 W m^-2^ Hz^-1^
Uncertainty    :  0.048       mag                  = 5.80E-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. 2 Reference Code : 2006AJ....131.1163S Freq. targeted : J (2MASS/CTIO) Measurement : 12.607 mag = 1.44E-28 W m^-2^ Hz^-1^ Uncertainty : 0.013 mag = 1.73E-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. 3 Reference Code : 20032MASX.C.......: Freq. targeted : J Measurement : 11.196 mag = 5.29E-28 W m^-2^ Hz^-1^ Uncertainty : 0.035 mag = 1.73E-29 Significance : 1 sigma uncert. Freq or Vel. : 1.25 microns (OBS )= 2.40E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 051901.97 -685956.3 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers :
No. 4 Reference Code : 20032MASX.C.......: Freq. targeted : J_14arcsec (2MASS) Measurement : 12.086 mag = 2.33E-28 W m^-2^ Hz^-1^ Uncertainty : 0.020 mag = 4.33E-30 Significance : 1 sigma uncert. Freq or Vel. : 1.25 microns (OBS )= 2.40E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 051901.97 -685956.3 (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. 5 Reference Code : 20032MASX.C.......: Freq. targeted : J Measurement : 11.391 mag = 4.42E-28 W m^-2^ Hz^-1^ Uncertainty : 0.039 mag = 1.62E-29 Significance : 1 sigma uncert. Freq or Vel. : 1.25 microns (OBS )= 2.40E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 051901.97 -685956.3 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data; Corrected for contaminating sources Qualifiers : 44.4 x 18.6 arcsec integration area.
No. 6 Reference Code : 20032MASX.C.......: Freq. targeted : H_14arcsec (2MASS) Measurement : 11.369 mag = 2.90E-28 W m^-2^ Hz^-1^ Uncertainty : 0.021 mag = 5.67E-30 Significance : 1 sigma uncert. Freq or Vel. : 1.65 microns (OBS )= 1.82E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 051901.97 -685956.3 (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. 7 Reference Code : 20032MASX.C.......: Freq. targeted : H Measurement : 10.755 mag = 5.11E-28 W m^-2^ Hz^-1^ Uncertainty : 0.076 mag = 3.70E-29 Significance : 1 sigma uncert. Freq or Vel. : 1.65 microns (OBS )= 1.82E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 051901.97 -685956.3 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers :
No. 8 Reference Code : 20032MASX.C.......: Freq. targeted : H Measurement : 10.755 mag = 5.11E-28 W m^-2^ Hz^-1^ Uncertainty : 0.048 mag = 2.31E-29 Significance : 1 sigma uncert. Freq or Vel. : 1.65 microns (OBS )= 1.82E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 051901.97 -685956.3 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data; Corrected for contaminating sources Qualifiers : 44.4 x 18.6 arcsec integration area.
No. 9 Reference Code : 2006AJ....131.1163S Freq. targeted : H (2MASS/CTIO) Measurement : 11.864 mag = 1.84E-28 W m^-2^ Hz^-1^ Uncertainty : 0.042 mag = 7.12E-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. 10 Reference Code : 2006AJ....131.1163S Freq. targeted : H (2MASS/CTIO) Measurement : 11.769 mag = 2.01E-28 W m^-2^ Hz^-1^ Uncertainty : 0.014 mag = 2.59E-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. 11 Reference Code : 2006AJ....131.1163S Freq. targeted : K_s (2MASS/CTIO) Measurement : 11.527 mag = 1.63E-28 W m^-2^ Hz^-1^ Uncertainty : 0.018 mag = 2.71E-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. 12 Reference Code : 2006AJ....131.1163S Freq. targeted : K_s (2MASS/CTIO) Measurement : 11.604 mag = 1.52E-28 W m^-2^ Hz^-1^ Uncertainty : 0.038 mag = 5.33E-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. 13 Reference Code : 20032MASX.C.......: Freq. targeted : K_s Measurement : 10.578 mag = 3.92E-28 W m^-2^ Hz^-1^ Uncertainty : 0.059 mag = 2.19E-29 Significance : 1 sigma uncert. Freq or Vel. : 2.17 microns (OBS )= 1.38E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 051901.97 -685956.3 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data; Corrected for contaminating sources Qualifiers : 44.4 x 18.6 arcsec integration area.
No. 14 Reference Code : 20032MASX.C.......: Freq. targeted : K_s Measurement : 10.519 mag = 4.13E-28 W m^-2^ Hz^-1^ Uncertainty : 0.052 mag = 2.03E-29 Significance : 1 sigma uncert. Freq or Vel. : 2.17 microns (OBS )= 1.38E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 051901.97 -685956.3 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers :
No. 15 Reference Code : 20032MASX.C.......: Freq. targeted : K_s_14arcsec (2MASS) Measurement : 11.154 mag = 2.30E-28 W m^-2^ Hz^-1^ Uncertainty : 0.024 mag = 5.15E-30 Significance : 1 sigma uncert. Freq or Vel. : 2.17 microns (OBS )= 1.38E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 051901.97 -685956.3 (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. 16 Reference Code : 2013SSTSLC4.2....0C Freq. targeted : 3.6 microns (IRAC) Measurement : 6.6688E+03 microJy = 6.67E-29 W m^-2^ Hz^-1^ Uncertainty : 6.2287E+00 microJy = 6.23E-32 Significance : uncertainty Freq or Vel. : 3.55 microns (OBS )= 8.44E+13 Hz Frequency mode : Broad-band measurement Coord. targeted: Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : 3.8" aperture
No. 17 Reference Code : 2013SSTSLC4.2....0C Freq. targeted : 3.6 microns (IRAC) Measurement : 7.4475E+03 microJy = 7.45E-29 W m^-2^ Hz^-1^ Uncertainty : 6.2327E+00 microJy = 6.23E-32 Significance : uncertainty Freq or Vel. : 3.55 microns (OBS )= 8.44E+13 Hz Frequency mode : Broad-band measurement Coord. targeted: Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : 5.8" aperture
No. 18 Reference Code : 2013SSTSLC4.2....0C Freq. targeted : 4.5 microns (IRAC) Measurement : 3.8161E+03 microJy = 3.82E-29 W m^-2^ Hz^-1^ Uncertainty : 8.1798E+00 microJy = 8.18E-32 Significance : uncertainty Freq or Vel. : 4.493 microns (OBS )= 6.67E+13 Hz Frequency mode : Broad-band measurement Coord. targeted: Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : 3.8" aperture
No. 19 Reference Code : 2013SSTSLC4.2....0C Freq. targeted : 4.5 microns (IRAC) Measurement : 4.2541E+03 microJy = 4.25E-29 W m^-2^ Hz^-1^ Uncertainty : 8.1267E+00 microJy = 8.13E-32 Significance : uncertainty Freq or Vel. : 4.493 microns (OBS )= 6.67E+13 Hz Frequency mode : Broad-band measurement Coord. targeted: Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : 5.8" aperture
No. 20 Reference Code : 2013SSTSLC4.2....0C Freq. targeted : 5.8 microns (IRAC) Measurement : 2.7766E+03 microJy = 2.78E-29 W m^-2^ Hz^-1^ Uncertainty : 1.0930E+01 microJy = 1.09E-31 Significance : uncertainty Freq or Vel. : 5.731 microns (OBS )= 5.23E+13 Hz Frequency mode : Broad-band measurement Coord. targeted: Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : 3.8" aperture
No. 21 Reference Code : 2013SSTSLC4.2....0C Freq. targeted : 5.8 microns (IRAC) Measurement : 3.0169E+03 microJy = 3.02E-29 W m^-2^ Hz^-1^ Uncertainty : 1.1427E+01 microJy = 1.14E-31 Significance : uncertainty Freq or Vel. : 5.731 microns (OBS )= 5.23E+13 Hz Frequency mode : Broad-band measurement Coord. targeted: Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : 5.8" aperture
No. 22 Reference Code : 2013SSTSLC4.2....0C Freq. targeted : 8.0 microns (IRAC) Measurement : 1.6400E+03 microJy = 1.64E-29 W m^-2^ Hz^-1^ Uncertainty : 9.4645E+00 microJy = 9.46E-32 Significance : uncertainty Freq or Vel. : 7.872 microns (OBS )= 3.81E+13 Hz Frequency mode : Broad-band measurement Coord. targeted: Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : 3.8" aperture
No. 23 Reference Code : 2013SSTSLC4.2....0C Freq. targeted : 8.0 microns (IRAC) Measurement : 1.7009E+03 microJy = 1.70E-29 W m^-2^ Hz^-1^ Uncertainty : 1.1397E+01 microJy = 1.14E-31 Significance : uncertainty Freq or Vel. : 7.872 microns (OBS )= 3.81E+13 Hz Frequency mode : Broad-band measurement Coord. targeted: Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : 5.8" aperture
No. 24 Reference Code : 2013SSTSLC4.2....0C Freq. targeted : 24 microns (MIPS) Measurement : 2.0546E+02 microJy = 2.05E-30 W m^-2^ Hz^-1^ Uncertainty : 2.0965E+01 microJy = 2.10E-31 Significance : uncertainty Freq or Vel. : 23.68 microns (OBS )= 1.27E+13 Hz Frequency mode : Broad-band measurement Coord. targeted: Spatial mode : Modelled datum Notes : From new raw data Qualifiers : PSF fit
No. 25 Reference Code : 2013SSTSLC4.2....0C Freq. targeted : 24 microns (MIPS) Measurement : 2.0653E+02 microJy = 2.07E-30 W m^-2^ Hz^-1^ Uncertainty : 1.9613E+01 microJy = 1.96E-31 Significance : uncertainty Freq or Vel. : 23.68 microns (OBS )= 1.27E+13 Hz Frequency mode : Broad-band measurement Coord. targeted: Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : 14.7" aperture

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