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Date and Time of the Query: 2019-06-26 T09:01:39 PDT
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Spectral Energy Distribution (SED) for NGC 1781:

32 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 FUV (GALEX) AB 18.4668 +/- 0.111331 mag 1.95E+15 1.49E-04 +/- 1.53E-05 Jy Broad-band Kron flux in elliptical aperture 2012GASC..C...0000S 1
2 FUV (GALEX) AB 19.3073 +/- 0.169805 mag 1.95E+15 6.87E-05 +/- 1.07E-05 Jy Broad-band Flux in 7.5 arcsec diameter aperture 2012GASC..C...0000S 2
3 NUV (GALEX) AB 17.2538 +/- 0.0348489 mag 1.29E+15 4.56E-04 +/- 1.46E-05 Jy Broad-band Kron flux in elliptical aperture 2012GASC..C...0000S 3
4 NUV (GALEX) AB 18.0643 +/- 0.0541365 mag 1.29E+15 2.16E-04 +/- 1.08E-05 Jy Broad-band Flux in 7.5 arcsec diameter aperture 2012GASC..C...0000S 4
5 B (m_B) 13.69 +/- 0.21 mag 6.81E+14 1.42E-02 +/- 3.04E-03 Jy Broad-band 1991RC3.9.C...0000d 5
6 B (m_B^0) 13.54 ... mag 6.81E+14 1.63E-02 ... Jy Broad-band 1991RC3.9.C...0000d 6
7 B (Cousins) (B_T) 13.71 +/- 0.09 mag 6.81E+14 1.40E-02 +/- 1.21E-03 Jy Broad-band 1989ESOLV.C...0000L 7
8 B (Cousins) (B_25) 13.86 +/- 0.09 mag 6.81E+14 1.21E-02 +/- 1.05E-03 Jy Broad-band 1989ESOLV.C...0000L 8
9 B (Cousins) (B_26) 13.79 +/- 0.09 mag 6.81E+14 1.30E-02 +/- 1.12E-03 Jy Broad-band 1989ESOLV.C...0000L 9
10 R (Cousins) (R_T) 12.03 +/- 0.09 mag 4.68E+14 4.76E-02 +/- 4.12E-03 Jy Broad-band 1989ESOLV.C...0000L 10
11 R (Cousins) (R_25) 12.18 +/- 0.09 mag 4.68E+14 4.14E-02 +/- 3.58E-03 Jy Broad-band 1989ESOLV.C...0000L 11
12 R (Cousins) (R_26) 12.11 +/- 0.09 mag 4.68E+14 4.42E-02 +/- 3.82E-03 Jy Broad-band 1989ESOLV.C...0000L 12
13 J (2MASS/CTIO) 12.632 +/- 0.085 mag 2.43E+14 1.41E-02 +/- 1.11E-03 Jy Broad-band Profile-fit; Poor quality 2006AJ....131.1163S 13
14 J (2MASS/CTIO) 11.961 +/- 0.007 mag 2.43E+14 2.62E-02 +/- 1.69E-04 Jy Broad-band 4" aperture 2006AJ....131.1163S 14
15 J 10.527 +/- 0.021 mag 2.40E+14 9.80E-02 +/- 1.91E-03 Jy Broad-band 20032MASX.C.......: 15
16 J_14arcsec (2MASS) 11.478 +/- 0.006 mag 2.40E+14 4.08E-02 +/- 2.26E-04 Jy Broad-band 14.0 x 14.0 arcsec aperture. 20032MASX.C.......: 16
17 J 10.632 +/- 0.019 mag 2.40E+14 8.89E-02 +/- 1.57E-03 Jy Broad-band 59.2 x 50.9 arcsec integration area. 20032MASX.C.......: 17
18 H 9.812 +/- 0.022 mag 1.82E+14 1.22E-01 +/- 2.49E-03 Jy Broad-band 20032MASX.C.......: 18
19 H_14arcsec (2MASS) 10.734 +/- 0.006 mag 1.82E+14 5.21E-02 +/- 2.89E-04 Jy Broad-band 14.0 x 14.0 arcsec aperture. 20032MASX.C.......: 19
20 H 9.899 +/- 0.024 mag 1.82E+14 1.12E-01 +/- 2.51E-03 Jy Broad-band 59.2 x 50.9 arcsec integration area. 20032MASX.C.......: 20
21 H (2MASS/CTIO) 11.181 +/- 0.01 mag 1.80E+14 3.45E-02 +/- 3.18E-04 Jy Broad-band 4" aperture 2006AJ....131.1163S 21
22 H (2MASS/CTIO) 11.567 +/- 0.082 mag 1.80E+14 2.42E-02 +/- 1.83E-03 Jy Broad-band Profile-fit; Poor quality 2006AJ....131.1163S 22
23 K_s (2MASS/CTIO) 10.823 +/- 0.008 mag 1.39E+14 3.12E-02 +/- 2.30E-04 Jy Broad-band 4" aperture 2006AJ....131.1163S 23
24 K_s (2MASS/CTIO) 11.175 +/- 0.054 mag 1.39E+14 2.26E-02 +/- 1.12E-03 Jy Broad-band Profile-fit; Poor quality 2006AJ....131.1163S 24
25 K_s 9.601 +/- 0.034 mag 1.38E+14 9.63E-02 +/- 3.06E-03 Jy Broad-band 59.2 x 50.9 arcsec integration area. 20032MASX.C.......: 25
26 K_s 9.491 +/- 0.031 mag 1.38E+14 1.07E-01 +/- 3.09E-03 Jy Broad-band 20032MASX.C.......: 26
27 K_s_14arcsec (2MASS) 10.402 +/- 0.008 mag 1.38E+14 4.60E-02 +/- 3.41E-04 Jy Broad-band 14.0 x 14.0 arcsec aperture. 20032MASX.C.......: 27
28 12 microns (IRAS) ... <9.808E-02 Jy 2.50E+13 < 9.81E-02 Jy Broad-band 1990IRASF.C...0000M 28
29 25 microns (IRAS) 9.771E-02 +/- 23 % Jy 1.20E+13 9.77E-02 +/- 2.26E-02 Jy Broad-band IRAS quality flag = 2 1990IRASF.C...0000M 29
30 60 microns (IRAS) 1.157E+00 +/- 5 % Jy 5.00E+12 1.16E+00 +/- 5.79E-02 Jy Broad-band IRAS quality flag = 3 1990IRASF.C...0000M 30
31 100 microns (IRAS) 3.007E+00 +/- 7 % Jy 3.00E+12 3.01E+00 +/- 2.10E-01 Jy Broad-band IRAS quality flag = 2 1990IRASF.C...0000M 31
32 1.4GHz 7.6 +/- 0.5 milliJy 1.40E+09 7.60E-03 +/- 5.00E-04 Jy Broad-band 1998AJ....115.1693C 32


Detailed Information for Each Entry

 No. 1
Reference Code : 2012GASC..C...0000S
Freq. targeted : FUV (GALEX) AB      
Measurement    :  18.4668     mag                  = 1.49E-30 W m^-2^ Hz^-1^
Uncertainty    :  0.111331    mag                  = 1.53E-31
Significance   : uncertainty
Freq or Vel.   : 1538.6       A            (OBS   )= 1.95E+15 Hz
Frequency mode : Broad-band measurement
Coord. targeted: 76.979091815407 -18.18989379185 (J2000)
Spatial mode   : Flux integrated from map
Notes          : From new raw data
Qualifiers     : Kron flux in elliptical aperture        

No. 2 Reference Code : 2012GASC..C...0000S Freq. targeted : FUV (GALEX) AB Measurement : 19.3073 mag = 6.87E-31 W m^-2^ Hz^-1^ Uncertainty : 0.169805 mag = 1.07E-31 Significance : uncertainty Freq or Vel. : 1538.6 A (OBS )= 1.95E+15 Hz Frequency mode : Broad-band measurement Coord. targeted: 76.979091815407 -18.18989379185 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : Flux in 7.5 arcsec diameter aperture
No. 3 Reference Code : 2012GASC..C...0000S Freq. targeted : NUV (GALEX) AB Measurement : 17.2538 mag = 4.56E-30 W m^-2^ Hz^-1^ Uncertainty : 0.0348489 mag = 1.46E-31 Significance : uncertainty Freq or Vel. : 2315.7 A (OBS )= 1.29E+15 Hz Frequency mode : Broad-band measurement Coord. targeted: 76.979091815407 -18.18989379185 (J2000) Spatial mode : Flux integrated from map Notes : From new raw data Qualifiers : Kron flux in elliptical aperture
No. 4 Reference Code : 2012GASC..C...0000S Freq. targeted : NUV (GALEX) AB Measurement : 18.0643 mag = 2.16E-30 W m^-2^ Hz^-1^ Uncertainty : 0.0541365 mag = 1.08E-31 Significance : uncertainty Freq or Vel. : 2315.7 A (OBS )= 1.29E+15 Hz Frequency mode : Broad-band measurement Coord. targeted: 76.979091815407 -18.18989379185 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : Flux in 7.5 arcsec diameter aperture
No. 5 Reference Code : 1991RC3.9.C...0000d Freq. targeted : B (m_B) Measurement : 13.69 mag = 1.42E-28 W m^-2^ Hz^-1^ Uncertainty : 0.21 mag = 3.04E-29 Significance : rms uncertainty Freq or Vel. : 4400 A (OBS )= 6.81E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 050543.0 -181518 (B1950) Spatial mode : Multiple methods Notes : Homogenized from new and previously published data; Standard Johnson UBVRI filters assumed Qualifiers :
No. 6 Reference Code : 1991RC3.9.C...0000d Freq. targeted : B (m_B^0) Measurement : 13.54 mag = 1.64E-28 W m^-2^ Hz^-1^ Uncertainty : mag = 0.00E+00 Significance : no uncertainty reported Freq or Vel. : 4400 A (OBS )= 6.81E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 050543.0 -181518 (B1950) Spatial mode : Multiple methods Notes : Homogenized from new and previously published data; Extinction-corrected for internal and Milky Way and K-correction applied; Standard Johnson UBVRI filters assumed Qualifiers :
No. 7 Reference Code : 1989ESOLV.C...0000L Freq. targeted : B (Cousins) (B_T) Measurement : 13.71 mag = 1.40E-28 W m^-2^ Hz^-1^ Uncertainty : 0.09 mag = 1.21E-29 Significance : typical accuracy Freq or Vel. : 4400 A (OBS )= 6.81E+14 Hz Frequency mode : Broad-band measurement; photometric system transformed Coord. targeted: 050543 -1815.3 (B1950) Spatial mode : Modelled datum Notes : From new raw data Qualifiers :
No. 8 Reference Code : 1989ESOLV.C...0000L Freq. targeted : B (Cousins) (B_25) Measurement : 13.86 mag = 1.21E-28 W m^-2^ Hz^-1^ Uncertainty : 0.09 mag = 1.05E-29 Significance : typical accuracy Freq or Vel. : 4400 A (OBS )= 6.81E+14 Hz Frequency mode : Broad-band measurement; photometric system transformed Coord. targeted: 050543 -1815.3 (B1950) Spatial mode : Modelled datum Notes : From new raw data Qualifiers :
No. 9 Reference Code : 1989ESOLV.C...0000L Freq. targeted : B (Cousins) (B_26) Measurement : 13.79 mag = 1.30E-28 W m^-2^ Hz^-1^ Uncertainty : 0.09 mag = 1.12E-29 Significance : typical accuracy Freq or Vel. : 4400 A (OBS )= 6.81E+14 Hz Frequency mode : Broad-band measurement; photometric system transformed Coord. targeted: 050543 -1815.3 (B1950) Spatial mode : Modelled datum Notes : From new raw data Qualifiers :
No. 10 Reference Code : 1989ESOLV.C...0000L Freq. targeted : R (Cousins) (R_T) Measurement : 12.03 mag = 4.76E-28 W m^-2^ Hz^-1^ Uncertainty : 0.09 mag = 4.12E-29 Significance : typical accuracy Freq or Vel. : 6400 A (OBS )= 4.68E+14 Hz Frequency mode : Broad-band measurement; photometric system transformed Coord. targeted: 050543 -1815.3 (B1950) Spatial mode : Modelled datum Notes : From new raw data Qualifiers :
No. 11 Reference Code : 1989ESOLV.C...0000L Freq. targeted : R (Cousins) (R_25) Measurement : 12.18 mag = 4.14E-28 W m^-2^ Hz^-1^ Uncertainty : 0.09 mag = 3.58E-29 Significance : typical accuracy Freq or Vel. : 6400 A (OBS )= 4.68E+14 Hz Frequency mode : Broad-band measurement; photometric system transformed Coord. targeted: 050543 -1815.3 (B1950) Spatial mode : Modelled datum Notes : From new raw data Qualifiers :
No. 12 Reference Code : 1989ESOLV.C...0000L Freq. targeted : R (Cousins) (R_26) Measurement : 12.11 mag = 4.42E-28 W m^-2^ Hz^-1^ Uncertainty : 0.09 mag = 3.82E-29 Significance : typical accuracy Freq or Vel. : 6400 A (OBS )= 4.68E+14 Hz Frequency mode : Broad-band measurement; photometric system transformed Coord. targeted: 050543 -1815.3 (B1950) Spatial mode : Modelled datum Notes : From new raw data Qualifiers :
No. 13 Reference Code : 2006AJ....131.1163S Freq. targeted : J (2MASS/CTIO) Measurement : 12.632 mag = 1.41E-28 W m^-2^ Hz^-1^ Uncertainty : 0.085 mag = 1.11E-29 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. 14 Reference Code : 2006AJ....131.1163S Freq. targeted : J (2MASS/CTIO) Measurement : 11.961 mag = 2.62E-28 W m^-2^ Hz^-1^ Uncertainty : 0.007 mag = 1.69E-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. 15 Reference Code : 20032MASX.C.......: Freq. targeted : J Measurement : 10.527 mag = 9.80E-28 W m^-2^ Hz^-1^ Uncertainty : 0.021 mag = 1.91E-29 Significance : 1 sigma uncert. Freq or Vel. : 1.25 microns (OBS )= 2.40E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 050755.03 -181123.7 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers :
No. 16 Reference Code : 20032MASX.C.......: Freq. targeted : J_14arcsec (2MASS) Measurement : 11.478 mag = 4.08E-28 W m^-2^ Hz^-1^ Uncertainty : 0.006 mag = 2.26E-30 Significance : 1 sigma uncert. Freq or Vel. : 1.25 microns (OBS )= 2.40E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 050755.03 -181123.7 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : 14.0 x 14.0 arcsec aperture.
No. 17 Reference Code : 20032MASX.C.......: Freq. targeted : J Measurement : 10.632 mag = 8.89E-28 W m^-2^ Hz^-1^ Uncertainty : 0.019 mag = 1.57E-29 Significance : 1 sigma uncert. Freq or Vel. : 1.25 microns (OBS )= 2.40E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 050755.03 -181123.7 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : 59.2 x 50.9 arcsec integration area.
No. 18 Reference Code : 20032MASX.C.......: Freq. targeted : H Measurement : 9.812 mag = 1.22E-27 W m^-2^ Hz^-1^ Uncertainty : 0.022 mag = 2.49E-29 Significance : 1 sigma uncert. Freq or Vel. : 1.65 microns (OBS )= 1.82E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 050755.03 -181123.7 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers :
No. 19 Reference Code : 20032MASX.C.......: Freq. targeted : H_14arcsec (2MASS) Measurement : 10.734 mag = 5.21E-28 W m^-2^ Hz^-1^ Uncertainty : 0.006 mag = 2.89E-30 Significance : 1 sigma uncert. Freq or Vel. : 1.65 microns (OBS )= 1.82E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 050755.03 -181123.7 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : 14.0 x 14.0 arcsec aperture.
No. 20 Reference Code : 20032MASX.C.......: Freq. targeted : H Measurement : 9.899 mag = 1.12E-27 W m^-2^ Hz^-1^ Uncertainty : 0.024 mag = 2.51E-29 Significance : 1 sigma uncert. Freq or Vel. : 1.65 microns (OBS )= 1.82E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 050755.03 -181123.7 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : 59.2 x 50.9 arcsec integration area.
No. 21 Reference Code : 2006AJ....131.1163S Freq. targeted : H (2MASS/CTIO) Measurement : 11.181 mag = 3.45E-28 W m^-2^ Hz^-1^ Uncertainty : 0.01 mag = 3.18E-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. 22 Reference Code : 2006AJ....131.1163S Freq. targeted : H (2MASS/CTIO) Measurement : 11.567 mag = 2.42E-28 W m^-2^ Hz^-1^ Uncertainty : 0.082 mag = 1.83E-29 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. 23 Reference Code : 2006AJ....131.1163S Freq. targeted : K_s (2MASS/CTIO) Measurement : 10.823 mag = 3.12E-28 W m^-2^ Hz^-1^ Uncertainty : 0.008 mag = 2.30E-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. 24 Reference Code : 2006AJ....131.1163S Freq. targeted : K_s (2MASS/CTIO) Measurement : 11.175 mag = 2.26E-28 W m^-2^ Hz^-1^ Uncertainty : 0.054 mag = 1.12E-29 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. 25 Reference Code : 20032MASX.C.......: Freq. targeted : K_s Measurement : 9.601 mag = 9.63E-28 W m^-2^ Hz^-1^ Uncertainty : 0.034 mag = 3.06E-29 Significance : 1 sigma uncert. Freq or Vel. : 2.17 microns (OBS )= 1.38E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 050755.03 -181123.7 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : 59.2 x 50.9 arcsec integration area.
No. 26 Reference Code : 20032MASX.C.......: Freq. targeted : K_s Measurement : 9.491 mag = 1.07E-27 W m^-2^ Hz^-1^ Uncertainty : 0.031 mag = 3.09E-29 Significance : 1 sigma uncert. Freq or Vel. : 2.17 microns (OBS )= 1.38E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 050755.03 -181123.7 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers :
No. 27 Reference Code : 20032MASX.C.......: Freq. targeted : K_s_14arcsec (2MASS) Measurement : 10.402 mag = 4.60E-28 W m^-2^ Hz^-1^ Uncertainty : 0.008 mag = 3.41E-30 Significance : 1 sigma uncert. Freq or Vel. : 2.17 microns (OBS )= 1.38E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 050755.03 -181123.7 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : 14.0 x 14.0 arcsec aperture.
No. 28 Reference Code : 1990IRASF.C...0000M Freq. targeted : 12 microns (IRAS) Measurement : <9.808E-02 Jy < 9.81E-28 W m^-2^ Hz^-1^ Uncertainty : Significance : 90% confidence Freq or Vel. : 12 microns (OBS )= 2.50E+13 Hz Frequency mode : Broad-band measurement Coord. targeted: 050542.9 -181509 (B1950) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers :
No. 29 Reference Code : 1990IRASF.C...0000M Freq. targeted : 25 microns (IRAS) Measurement : 9.771E-02 Jy = 9.77E-28 W m^-2^ Hz^-1^ Uncertainty : 23 % Jy = 2.26E-28 Significance : uncertainty Freq or Vel. : 25 microns (OBS )= 1.20E+13 Hz Frequency mode : Broad-band measurement Coord. targeted: 050542.9 -181509 (B1950) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : IRAS quality flag = 2
No. 30 Reference Code : 1990IRASF.C...0000M Freq. targeted : 60 microns (IRAS) Measurement : 1.157E+00 Jy = 1.16E-26 W m^-2^ Hz^-1^ Uncertainty : 5 % Jy = 5.79E-28 Significance : uncertainty Freq or Vel. : 60 microns (OBS )= 5.00E+12 Hz Frequency mode : Broad-band measurement Coord. targeted: 050542.9 -181509 (B1950) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : IRAS quality flag = 3
No. 31 Reference Code : 1990IRASF.C...0000M Freq. targeted : 100 microns (IRAS) Measurement : 3.007E+00 Jy = 3.01E-26 W m^-2^ Hz^-1^ Uncertainty : 7 % Jy = 2.10E-27 Significance : uncertainty Freq or Vel. : 100 microns (OBS )= 3.00E+12 Hz Frequency mode : Broad-band measurement Coord. targeted: 050542.9 -181509 (B1950) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : IRAS quality flag = 2
No. 32 Reference Code : 1998AJ....115.1693C Freq. targeted : 1.4GHz Measurement : 7.6 milliJy = 7.60E-29 W m^-2^ Hz^-1^ Uncertainty : 0.5 milliJy = 5.00E-30 Significance : uncertainty Freq or Vel. : 1.40 GHz (OBS )= 1.40E+09 Hz Frequency mode : Broad-band measurement Coord. targeted: 05 07 55.17 -18 11 21.9 (J2000) Spatial mode : Flux integrated from map Notes : From new raw data Qualifiers :

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