NASA/IPAC EXTRAGALACTIC DATABASE
Date and Time of the Query: 2019-06-16 T06:52:30 PDT
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Spectral Energy Distribution (SED) for NGC 1974:

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 J (2MASS/CTIO) 13.546 +/- 0.021 mag 2.43E+14 6.08E-03 +/- 1.18E-04 Jy Broad-band 4" aperture 2006AJ....131.1163S 1
2 J (2MASS/CTIO) 13.737 +/- 0.049 mag 2.43E+14 5.10E-03 +/- 2.30E-04 Jy Broad-band Profile-fit 2006AJ....131.1163S 2
3 J 12.671 +/- 0.053 mag 2.40E+14 1.36E-02 +/- 6.80E-04 Jy Broad-band 45.6 x 14.6 arcsec integration area. 20032MASX.C.......: 3
4 J 12.671 +/- 0.036 mag 2.40E+14 1.36E-02 +/- 4.59E-04 Jy Broad-band 20032MASX.C.......: 4
5 J_14arcsec (2MASS) 13.126 +/- 0.029 mag 2.40E+14 8.94E-03 +/- 2.42E-04 Jy Broad-band 14.0 x 14.0 arcsec aperture. 20032MASX.C.......: 5
6 H 12.529 +/- 0.085 mag 1.82E+14 9.97E-03 +/- 8.12E-04 Jy Broad-band 45.6 x 14.6 arcsec integration area. 20032MASX.C.......: 6
7 H 12.529 +/- 0.061 mag 1.82E+14 9.97E-03 +/- 5.76E-04 Jy Broad-band 20032MASX.C.......: 7
8 H_14arcsec (2MASS) 13.027 +/- 0.051 mag 1.82E+14 6.30E-03 +/- 3.03E-04 Jy Broad-band 14.0 x 14.0 arcsec aperture. 20032MASX.C.......: 8
9 H (2MASS/CTIO) 13.857 +/- 0.079 mag 1.80E+14 2.93E-03 +/- 2.14E-04 Jy Broad-band Profile-fit 2006AJ....131.1163S 9
10 H (2MASS/CTIO) 13.578 +/- 0.078 mag 1.80E+14 3.79E-03 +/- 2.73E-04 Jy Broad-band 4" aperture 2006AJ....131.1163S 10
11 K_s (2MASS/CTIO) 13.498 +/- 0.063 mag 1.39E+14 2.66E-03 +/- 1.54E-04 Jy Broad-band 4" aperture 2006AJ....131.1163S 11
12 K_s (2MASS/CTIO) 13.877 +/- 0.082 mag 1.39E+14 1.88E-03 +/- 1.42E-04 Jy Broad-band Profile-fit 2006AJ....131.1163S 12
13 K_s_14arcsec (2MASS) 12.696 +/- 0.072 mag 1.38E+14 5.57E-03 +/- 3.82E-04 Jy Broad-band 14.0 x 14.0 arcsec aperture. 20032MASX.C.......: 13
14 K_s 11.995 +/- 0.114 mag 1.38E+14 1.06E-02 +/- 1.18E-03 Jy Broad-band 45.6 x 14.6 arcsec integration area. 20032MASX.C.......: 14
15 K_s 11.995 +/- 0.071 mag 1.38E+14 1.06E-02 +/- 7.17E-04 Jy Broad-band 20032MASX.C.......: 15
16 12 microns (IRAS) 0.326 +/- 6 % Jy 2.50E+13 3.26E-01 +/- 1.96E-02 Jy Broad-band IRAS quality flag = 3 1988IRASP.C2..0000: 16
17 25 microns (IRAS) 1.472 +/- 7 % Jy 1.20E+13 1.47E+00 +/- 1.03E-01 Jy Broad-band IRAS quality flag = 3 1988IRASP.C2..0000: 17
18 60 microns (IRAS) ... <49.400 Jy 5.00E+12 < 4.94E+01 Jy Broad-band 1988IRASP.C2..0000: 18
19 100 microns (IRAS) 54.610 +/- 40 % Jy 3.00E+12 5.46E+01 +/- 2.18E+01 Jy Broad-band IRAS quality flag = 2 1988IRASP.C2..0000: 19
20 843 MHz 30.8 +/- 6.6 milliJy 8.43E+08 3.08E-02 +/- 6.60E-03 Jy Broad-band 2003MNRAS.342.1117M 20


Detailed Information for Each Entry

 No. 1
Reference Code : 2006AJ....131.1163S
Freq. targeted : J (2MASS/CTIO)      
Measurement    :  13.546      mag                  = 6.08E-29 W m^-2^ Hz^-1^
Uncertainty    :  0.021       mag                  = 1.18E-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. 2 Reference Code : 2006AJ....131.1163S Freq. targeted : J (2MASS/CTIO) Measurement : 13.737 mag = 5.10E-29 W m^-2^ Hz^-1^ Uncertainty : 0.049 mag = 2.30E-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
No. 3 Reference Code : 20032MASX.C.......: Freq. targeted : J Measurement : 12.671 mag = 1.36E-28 W m^-2^ Hz^-1^ Uncertainty : 0.053 mag = 6.80E-30 Significance : 1 sigma uncert. Freq or Vel. : 1.25 microns (OBS )= 2.40E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 052759.02 -672526.9 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data; Corrected for contaminating sources Qualifiers : 45.6 x 14.6 arcsec integration area.
No. 4 Reference Code : 20032MASX.C.......: Freq. targeted : J Measurement : 12.671 mag = 1.36E-28 W m^-2^ Hz^-1^ Uncertainty : 0.036 mag = 4.58E-30 Significance : 1 sigma uncert. Freq or Vel. : 1.25 microns (OBS )= 2.40E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 052759.02 -672526.9 (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 : 13.126 mag = 8.94E-29 W m^-2^ Hz^-1^ Uncertainty : 0.029 mag = 2.42E-30 Significance : 1 sigma uncert. Freq or Vel. : 1.25 microns (OBS )= 2.40E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 052759.02 -672526.9 (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 : H Measurement : 12.529 mag = 9.97E-29 W m^-2^ Hz^-1^ Uncertainty : 0.085 mag = 8.12E-30 Significance : 1 sigma uncert. Freq or Vel. : 1.65 microns (OBS )= 1.82E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 052759.02 -672526.9 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data; Corrected for contaminating sources Qualifiers : 45.6 x 14.6 arcsec integration area.
No. 7 Reference Code : 20032MASX.C.......: Freq. targeted : H Measurement : 12.529 mag = 9.97E-29 W m^-2^ Hz^-1^ Uncertainty : 0.061 mag = 5.76E-30 Significance : 1 sigma uncert. Freq or Vel. : 1.65 microns (OBS )= 1.82E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 052759.02 -672526.9 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers :
No. 8 Reference Code : 20032MASX.C.......: Freq. targeted : H_14arcsec (2MASS) Measurement : 13.027 mag = 6.30E-29 W m^-2^ Hz^-1^ Uncertainty : 0.051 mag = 3.03E-30 Significance : 1 sigma uncert. Freq or Vel. : 1.65 microns (OBS )= 1.82E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 052759.02 -672526.9 (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 : 2006AJ....131.1163S Freq. targeted : H (2MASS/CTIO) Measurement : 13.857 mag = 2.93E-29 W m^-2^ Hz^-1^ Uncertainty : 0.079 mag = 2.14E-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 : 13.578 mag = 3.79E-29 W m^-2^ Hz^-1^ Uncertainty : 0.078 mag = 2.73E-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 : 13.498 mag = 2.66E-29 W m^-2^ Hz^-1^ Uncertainty : 0.063 mag = 1.54E-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 : 13.877 mag = 1.88E-29 W m^-2^ Hz^-1^ Uncertainty : 0.082 mag = 1.42E-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_14arcsec (2MASS) Measurement : 12.696 mag = 5.57E-29 W m^-2^ Hz^-1^ Uncertainty : 0.072 mag = 3.82E-30 Significance : 1 sigma uncert. Freq or Vel. : 2.17 microns (OBS )= 1.38E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 052759.02 -672526.9 (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. 14 Reference Code : 20032MASX.C.......: Freq. targeted : K_s Measurement : 11.995 mag = 1.06E-28 W m^-2^ Hz^-1^ Uncertainty : 0.114 mag = 1.18E-29 Significance : 1 sigma uncert. Freq or Vel. : 2.17 microns (OBS )= 1.38E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 052759.02 -672526.9 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data; Corrected for contaminating sources Qualifiers : 45.6 x 14.6 arcsec integration area.
No. 15 Reference Code : 20032MASX.C.......: Freq. targeted : K_s Measurement : 11.995 mag = 1.06E-28 W m^-2^ Hz^-1^ Uncertainty : 0.071 mag = 7.17E-30 Significance : 1 sigma uncert. Freq or Vel. : 2.17 microns (OBS )= 1.38E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 052759.02 -672526.9 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers :
No. 16 Reference Code : 1988IRASP.C2..0000: Freq. targeted : 12 microns (IRAS) Measurement : 0.326 Jy = 3.26E-27 W m^-2^ Hz^-1^ Uncertainty : 6 % Jy = 1.96E-28 Significance : uncertainty Freq or Vel. : 12 microns (OBS )= 2.50E+13 Hz Frequency mode : Broad-band measurement Coord. targeted: 052805.9 -672749 (B1950) Spatial mode : Integrated from scans Notes : From new raw data Qualifiers : IRAS quality flag = 3
No. 17 Reference Code : 1988IRASP.C2..0000: Freq. targeted : 25 microns (IRAS) Measurement : 1.472 Jy = 1.47E-26 W m^-2^ Hz^-1^ Uncertainty : 7 % Jy = 1.03E-27 Significance : uncertainty Freq or Vel. : 25 microns (OBS )= 1.20E+13 Hz Frequency mode : Broad-band measurement Coord. targeted: 052805.9 -672749 (B1950) Spatial mode : Integrated from scans Notes : From new raw data Qualifiers : IRAS quality flag = 3
No. 18 Reference Code : 1988IRASP.C2..0000: Freq. targeted : 60 microns (IRAS) Measurement : <49.400 Jy < 4.94E-25 W m^-2^ Hz^-1^ Uncertainty : Significance : 3 sigma Freq or Vel. : 60 microns (OBS )= 5.00E+12 Hz Frequency mode : Broad-band measurement Coord. targeted: 052805.9 -672749 (B1950) Spatial mode : Integrated from scans Notes : From new raw data Qualifiers :
No. 19 Reference Code : 1988IRASP.C2..0000: Freq. targeted : 100 microns (IRAS) Measurement : 54.610 Jy = 5.46E-25 W m^-2^ Hz^-1^ Uncertainty : 40 % Jy = 2.18E-25 Significance : uncertainty Freq or Vel. : 100 microns (OBS )= 3.00E+12 Hz Frequency mode : Broad-band measurement Coord. targeted: 052805.9 -672749 (B1950) Spatial mode : Integrated from scans Notes : From new raw data Qualifiers : IRAS quality flag = 2
No. 20 Reference Code : 2003MNRAS.342.1117M Freq. targeted : 843 MHz Measurement : 30.8 milliJy = 3.08E-28 W m^-2^ Hz^-1^ Uncertainty : 6.6 milliJy = 6.60E-29 Significance : uncertainty Freq or Vel. : 843 MHz (OBS )= 8.43E+08 Hz Frequency mode : Broad-band measurement Coord. targeted: 052801.77 -672522.6 (J2000) Spatial mode : Flux integrated from map Notes : From new raw data Qualifiers :

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