NASA/IPAC EXTRAGALACTIC DATABASE
Date and Time of the Query: 2019-04-19 T20:39:34 PDT
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Spectral Energy Distribution (SED) for NGC 6917:

20 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 m_p 14.3 +/- 0.4 mag 6.81E+14 8.12E-03 +/- 3.62E-03 Jy Broad-band 1965CGCG5.C...0000Z 1
2 J (2MASS/CTIO) 13.836 +/- 0.099 mag 2.43E+14 4.66E-03 +/- 4.25E-04 Jy Broad-band Profile-fit; Poor quality 2006AJ....131.1163S 2
3 J (2MASS/CTIO) 13.1 +/- 0.018 mag 2.43E+14 9.17E-03 +/- 1.52E-04 Jy Broad-band 4" aperture 2006AJ....131.1163S 3
4 J 10.678 +/- 0.031 mag 2.40E+14 8.53E-02 +/- 2.47E-03 Jy Broad-band 20032MASX.C.......: 4
5 J_14arcsec (2MASS) 12.382 +/- 0.013 mag 2.40E+14 1.77E-02 +/- 2.14E-04 Jy Broad-band 14.0 x 14.0 arcsec aperture. 20032MASX.C.......: 5
6 J 10.836 +/- 0.028 mag 2.40E+14 7.37E-02 +/- 1.93E-03 Jy Broad-band 78.2 x 51.6 arcsec integration area. 20032MASX.C.......: 6
7 H 10.152 +/- 0.038 mag 1.82E+14 8.90E-02 +/- 3.17E-03 Jy Broad-band 78.2 x 51.6 arcsec integration area. 20032MASX.C.......: 7
8 H 10.004 +/- 0.036 mag 1.82E+14 1.02E-01 +/- 3.44E-03 Jy Broad-band 20032MASX.C.......: 8
9 H_14arcsec (2MASS) 11.658 +/- 0.015 mag 1.82E+14 2.22E-02 +/- 3.09E-04 Jy Broad-band 14.0 x 14.0 arcsec aperture. 20032MASX.C.......: 9
10 H (2MASS/CTIO) 13.176 +/- 0.126 mag 1.80E+14 5.49E-03 +/- 6.38E-04 Jy Broad-band Profile-fit 2006AJ....131.1163S 10
11 H (2MASS/CTIO) 12.353 +/- 0.012 mag 1.80E+14 1.17E-02 +/- 1.30E-04 Jy Broad-band 4" aperture 2006AJ....131.1163S 11
12 K_s (2MASS/CTIO) 12.592 +/- 0.075 mag 1.39E+14 6.13E-03 +/- 4.23E-04 Jy Broad-band Profile-fit 2006AJ....131.1163S 12
13 K_s (2MASS/CTIO) 12.017 +/- 0.041 mag 1.39E+14 1.04E-02 +/- 3.93E-04 Jy Broad-band 4" aperture 2006AJ....131.1163S 13
14 K_s 9.627 +/- 0.044 mag 1.38E+14 9.40E-02 +/- 3.89E-03 Jy Broad-band 20032MASX.C.......: 14
15 K_s 9.808 +/- 0.049 mag 1.38E+14 7.96E-02 +/- 3.67E-03 Jy Broad-band 78.2 x 51.6 arcsec integration area. 20032MASX.C.......: 15
16 K_s_14arcsec (2MASS) 11.352 +/- 0.020 mag 1.38E+14 1.92E-02 +/- 3.57E-04 Jy Broad-band 14.0 x 14.0 arcsec aperture. 20032MASX.C.......: 16
17 2380 MHz 7. +/- 3. milliJy 2.38E+09 7.00E-03 +/- 3.00E-03 Jy Broad-band 1978ApJS...36...53D 17
18 HI (21 cm line) 4.8 +/- 0.9 Jy km sec^-1^ 1.42E+09 2.20E+04 +/- 4.12E+03 Jy-Hz Line 1998A&AS..130..333T 18
19 1.4 GHz (VLA) 8.8 ... milliJy 1.40E+09 8.80E-03 ... Jy Broad-band 2002AJ....124..675C 19
20 1.4GHz 9.7 +/- 1.1 milliJy 1.40E+09 9.70E-03 +/- 1.10E-03 Jy Broad-band 1998AJ....115.1693C 20


Detailed Information for Each Entry

 No. 1
Reference Code : 1965CGCG5.C...0000Z
Freq. targeted : m_p                 
Measurement    :  14.3        mag                  = 8.12E-29 W m^-2^ Hz^-1^
Uncertainty    :  0.4         mag                  = 3.62E-29
Significance   : rms noise
Freq or Vel.   : 4400         A            (OBS   )= 6.81E+14 Hz
Frequency mode : Broad-band measurement
Coord. targeted: 202500.0        +075600. (B1950)
Spatial mode   : Estimated by eye
Notes          : From new raw data
Qualifiers     :                                         

No. 2 Reference Code : 2006AJ....131.1163S Freq. targeted : J (2MASS/CTIO) Measurement : 13.836 mag = 4.66E-29 W m^-2^ Hz^-1^ Uncertainty : 0.099 mag = 4.25E-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. 3 Reference Code : 2006AJ....131.1163S Freq. targeted : J (2MASS/CTIO) Measurement : 13.1 mag = 9.17E-29 W m^-2^ Hz^-1^ Uncertainty : 0.018 mag = 1.52E-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. 4 Reference Code : 20032MASX.C.......: Freq. targeted : J Measurement : 10.678 mag = 8.53E-28 W m^-2^ Hz^-1^ Uncertainty : 0.031 mag = 2.47E-29 Significance : 1 sigma uncert. Freq or Vel. : 1.25 microns (OBS )= 2.40E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 202728.36 +080553.1 (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 : 12.382 mag = 1.77E-28 W m^-2^ Hz^-1^ Uncertainty : 0.013 mag = 2.14E-30 Significance : 1 sigma uncert. Freq or Vel. : 1.25 microns (OBS )= 2.40E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 202728.36 +080553.1 (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. 6 Reference Code : 20032MASX.C.......: Freq. targeted : J Measurement : 10.836 mag = 7.37E-28 W m^-2^ Hz^-1^ Uncertainty : 0.028 mag = 1.93E-29 Significance : 1 sigma uncert. Freq or Vel. : 1.25 microns (OBS )= 2.40E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 202728.36 +080553.1 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data; Corrected for contaminating sources Qualifiers : 78.2 x 51.6 arcsec integration area.
No. 7 Reference Code : 20032MASX.C.......: Freq. targeted : H Measurement : 10.152 mag = 8.90E-28 W m^-2^ Hz^-1^ Uncertainty : 0.038 mag = 3.17E-29 Significance : 1 sigma uncert. Freq or Vel. : 1.65 microns (OBS )= 1.82E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 202728.36 +080553.1 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data; Corrected for contaminating sources Qualifiers : 78.2 x 51.6 arcsec integration area.
No. 8 Reference Code : 20032MASX.C.......: Freq. targeted : H Measurement : 10.004 mag = 1.02E-27 W m^-2^ Hz^-1^ Uncertainty : 0.036 mag = 3.44E-29 Significance : 1 sigma uncert. Freq or Vel. : 1.65 microns (OBS )= 1.82E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 202728.36 +080553.1 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers :
No. 9 Reference Code : 20032MASX.C.......: Freq. targeted : H_14arcsec (2MASS) Measurement : 11.658 mag = 2.22E-28 W m^-2^ Hz^-1^ Uncertainty : 0.015 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: 202728.36 +080553.1 (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. 10 Reference Code : 2006AJ....131.1163S Freq. targeted : H (2MASS/CTIO) Measurement : 13.176 mag = 5.49E-29 W m^-2^ Hz^-1^ Uncertainty : 0.126 mag = 6.38E-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. 11 Reference Code : 2006AJ....131.1163S Freq. targeted : H (2MASS/CTIO) Measurement : 12.353 mag = 1.17E-28 W m^-2^ Hz^-1^ Uncertainty : 0.012 mag = 1.30E-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. 12 Reference Code : 2006AJ....131.1163S Freq. targeted : K_s (2MASS/CTIO) Measurement : 12.592 mag = 6.13E-29 W m^-2^ Hz^-1^ Uncertainty : 0.075 mag = 4.23E-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 : 2006AJ....131.1163S Freq. targeted : K_s (2MASS/CTIO) Measurement : 12.017 mag = 1.04E-28 W m^-2^ Hz^-1^ Uncertainty : 0.041 mag = 3.93E-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. 14 Reference Code : 20032MASX.C.......: Freq. targeted : K_s Measurement : 9.627 mag = 9.40E-28 W m^-2^ Hz^-1^ Uncertainty : 0.044 mag = 3.89E-29 Significance : 1 sigma uncert. Freq or Vel. : 2.17 microns (OBS )= 1.38E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 202728.36 +080553.1 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers :
No. 15 Reference Code : 20032MASX.C.......: Freq. targeted : K_s Measurement : 9.808 mag = 7.96E-28 W m^-2^ Hz^-1^ Uncertainty : 0.049 mag = 3.67E-29 Significance : 1 sigma uncert. Freq or Vel. : 2.17 microns (OBS )= 1.38E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 202728.36 +080553.1 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data; Corrected for contaminating sources Qualifiers : 78.2 x 51.6 arcsec integration area.
No. 16 Reference Code : 20032MASX.C.......: Freq. targeted : K_s_14arcsec (2MASS) Measurement : 11.352 mag = 1.92E-28 W m^-2^ Hz^-1^ Uncertainty : 0.020 mag = 3.57E-30 Significance : 1 sigma uncert. Freq or Vel. : 2.17 microns (OBS )= 1.38E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 202728.36 +080553.1 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : 14.0 x 14.0 arcsec aperture.
No. 17 Reference Code : 1978ApJS...36...53D Freq. targeted : 2380 MHz Measurement : 7. milliJy = 7.00E-29 W m^-2^ Hz^-1^ Uncertainty : 3. milliJy = 3.00E-29 Significance : rms uncertainty Freq or Vel. : 2380 MHz (OBS )= 2.38E+09 Hz Frequency mode : Broad-band measurement; peak value reported Coord. targeted: Spatial mode : Peak flux Notes : From new raw data Qualifiers :
No. 18 Reference Code : 1998A&AS..130..333T Freq. targeted : HI (21 cm line) Measurement : 4.8 Jy km sec^-1^ = 2.20E-22 W m^-2^ Uncertainty : 0.9 Jy km sec^-1^ = 4.12E-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: 202502. +075558. (B1950) Spatial mode : Integrated from scans; Beam filling or dilution corrected Notes : From new raw data Qualifiers :
No. 19 Reference Code : 2002AJ....124..675C Freq. targeted : 1.4 GHz (VLA) Measurement : 8.8 milliJy = 8.80E-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 :
No. 20 Reference Code : 1998AJ....115.1693C Freq. targeted : 1.4GHz Measurement : 9.7 milliJy = 9.70E-29 W m^-2^ Hz^-1^ Uncertainty : 1.1 milliJy = 1.10E-29 Significance : uncertainty Freq or Vel. : 1.40 GHz (OBS )= 1.40E+09 Hz Frequency mode : Broad-band measurement Coord. targeted: 20 27 28.50 +08 05 54.8 (J2000) Spatial mode : Flux integrated from map Notes : From new raw data Qualifiers :

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