NASA/IPAC EXTRAGALACTIC DATABASE
Date and Time of the Query: 2019-05-22 T12:08:14 PDT
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Spectral Energy Distribution (SED) for NGC 2754:

26 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 ... >20.2284 mag 1.95E+15 < 2.94E-05 Jy Broad-band upper limit inside NUV Kron aperture 2012GASC..C...0000S 1
2 FUV (GALEX) AB 22.9755 +/- 1.33668 mag 1.95E+15 2.34E-06 +/- 2.88E-06 Jy Broad-band Flux in 7.5 arcsec diameter aperture 2012GASC..C...0000S 2
3 NUV (GALEX) AB 19.9649 +/- 0.205945 mag 1.29E+15 3.75E-05 +/- 7.11E-06 Jy Broad-band Kron flux in elliptical aperture 2012GASC..C...0000S 3
4 NUV (GALEX) AB 22.3529 +/- 0.550021 mag 1.29E+15 4.16E-06 +/- 2.11E-06 Jy Broad-band Flux in 7.5 arcsec diameter aperture 2012GASC..C...0000S 4
5 B (Cousins) (B_25) 15.46 +/- 0.09 mag 6.81E+14 2.79E-03 +/- 2.41E-04 Jy Broad-band 1989ESOLV.C...0000L 5
6 B (m_B) 15.18 +/- 0.21 mag 6.81E+14 3.61E-03 +/- 7.70E-04 Jy Broad-band 1991RC3.9.C...0000d 6
7 B (Cousins) (B_26) 15.35 +/- 0.09 mag 6.81E+14 3.10E-03 +/- 2.67E-04 Jy Broad-band 1989ESOLV.C...0000L 7
8 B (Cousins) (B_T) 15.23 +/- 0.09 mag 6.81E+14 3.43E-03 +/- 2.97E-04 Jy Broad-band 1989ESOLV.C...0000L 8
9 R (Cousins) (R_T) 13.69 +/- 0.09 mag 4.68E+14 1.03E-02 +/- 8.91E-04 Jy Broad-band 1989ESOLV.C...0000L 9
10 R (Cousins) (R_25) 13.95 +/- 0.09 mag 4.68E+14 8.10E-03 +/- 7.00E-04 Jy Broad-band 1989ESOLV.C...0000L 10
11 R (Cousins) (R_26) 13.82 +/- 0.09 mag 4.68E+14 9.15E-03 +/- 7.91E-04 Jy Broad-band 1989ESOLV.C...0000L 11
12 J (2MASS/CTIO) 12.714 +/- 0.007 mag 2.43E+14 1.31E-02 +/- 8.44E-05 Jy Broad-band 4" aperture 2006AJ....131.1163S 12
13 J (2MASS/CTIO) 13.366 +/- 0.081 mag 2.43E+14 7.18E-03 +/- 5.36E-04 Jy Broad-band Profile-fit; Poor quality 2006AJ....131.1163S 13
14 J_14arcsec (2MASS) 12.323 +/- 0.012 mag 2.40E+14 1.87E-02 +/- 2.08E-04 Jy Broad-band 14.0 x 14.0 arcsec aperture. 20032MASX.C.......: 14
15 J 11.786 +/- 0.037 mag 2.40E+14 3.07E-02 +/- 1.07E-03 Jy Broad-band 20032MASX.C.......: 15
16 J 11.947 +/- 0.028 mag 2.40E+14 2.65E-02 +/- 6.92E-04 Jy Broad-band 31.4 x 28.3 arcsec integration area. 20032MASX.C.......: 16
17 H 11.219 +/- 0.039 mag 1.82E+14 3.33E-02 +/- 1.22E-03 Jy Broad-band 31.4 x 28.3 arcsec integration area. 20032MASX.C.......: 17
18 H_14arcsec (2MASS) 11.589 +/- 0.014 mag 1.82E+14 2.37E-02 +/- 3.08E-04 Jy Broad-band 14.0 x 14.0 arcsec aperture. 20032MASX.C.......: 18
19 H 11.161 +/- 0.050 mag 1.82E+14 3.51E-02 +/- 1.66E-03 Jy Broad-band 20032MASX.C.......: 19
20 H (2MASS/CTIO) 11.956 +/- 0.013 mag 1.80E+14 1.69E-02 +/- 2.02E-04 Jy Broad-band 4" aperture 2006AJ....131.1163S 20
21 H (2MASS/CTIO) 12.526 +/- 0.086 mag 1.80E+14 1.00E-02 +/- 7.92E-04 Jy Broad-band Profile-fit; Poor quality 2006AJ....131.1163S 21
22 K_s (2MASS/CTIO) 11.667 +/- 0.013 mag 1.39E+14 1.44E-02 +/- 1.72E-04 Jy Broad-band 4" aperture 2006AJ....131.1163S 22
23 K_s (2MASS/CTIO) 12.195 +/- 0.059 mag 1.39E+14 8.83E-03 +/- 4.80E-04 Jy Broad-band Profile-fit; Poor quality 2006AJ....131.1163S 23
24 K_s 10.976 +/- 0.060 mag 1.38E+14 2.71E-02 +/- 1.54E-03 Jy Broad-band 31.4 x 28.3 arcsec integration area. 20032MASX.C.......: 24
25 K_s 10.759 +/- 0.060 mag 1.38E+14 3.31E-02 +/- 1.88E-03 Jy Broad-band 20032MASX.C.......: 25
26 K_s_14arcsec (2MASS) 11.310 +/- 0.019 mag 1.38E+14 2.00E-02 +/- 3.52E-04 Jy Broad-band 14.0 x 14.0 arcsec aperture. 20032MASX.C.......: 26


Detailed Information for Each Entry

 No. 1
Reference Code : 2012GASC..C...0000S
Freq. targeted : FUV (GALEX) AB      
Measurement    : >20.2284     mag                  < 2.94E-31 W m^-2^ Hz^-1^      
Uncertainty    :
Significance   : 3 sigma
Freq or Vel.   : 1538.6       A            (OBS   )= 1.95E+15 Hz
Frequency mode : Broad-band measurement
Coord. targeted: 136.29587086674 -19.08432794554 (J2000)
Spatial mode   : Flux integrated from map
Notes          : From new raw data
Qualifiers     : upper limit inside NUV Kron aperture    

No. 2 Reference Code : 2012GASC..C...0000S Freq. targeted : FUV (GALEX) AB Measurement : 22.9755 mag = 2.34E-32 W m^-2^ Hz^-1^ Uncertainty : 1.33668 mag = 2.88E-32 Significance : uncertainty Freq or Vel. : 1538.6 A (OBS )= 1.95E+15 Hz Frequency mode : Broad-band measurement Coord. targeted: 136.29587086674 -19.08432794554 (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 : 19.9649 mag = 3.75E-31 W m^-2^ Hz^-1^ Uncertainty : 0.205945 mag = 7.11E-32 Significance : uncertainty Freq or Vel. : 2315.7 A (OBS )= 1.29E+15 Hz Frequency mode : Broad-band measurement Coord. targeted: 136.29587086674 -19.08432794554 (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 : 22.3529 mag = 4.16E-32 W m^-2^ Hz^-1^ Uncertainty : 0.550021 mag = 2.11E-32 Significance : uncertainty Freq or Vel. : 2315.7 A (OBS )= 1.29E+15 Hz Frequency mode : Broad-band measurement Coord. targeted: 136.29587086674 -19.08432794554 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : Flux in 7.5 arcsec diameter aperture
No. 5 Reference Code : 1989ESOLV.C...0000L Freq. targeted : B (Cousins) (B_25) Measurement : 15.46 mag = 2.79E-29 W m^-2^ Hz^-1^ Uncertainty : 0.09 mag = 2.41E-30 Significance : typical accuracy Freq or Vel. : 4400 A (OBS )= 6.81E+14 Hz Frequency mode : Broad-band measurement; photometric system transformed Coord. targeted: 090253 -1853.1 (B1950) Spatial mode : Modelled datum Notes : From new raw data Qualifiers :
No. 6 Reference Code : 1991RC3.9.C...0000d Freq. targeted : B (m_B) Measurement : 15.18 mag = 3.61E-29 W m^-2^ Hz^-1^ Uncertainty : 0.21 mag = 7.70E-30 Significance : rms uncertainty Freq or Vel. : 4400 A (OBS )= 6.81E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 090253.0 -185306 (B1950) Spatial mode : Multiple methods Notes : Homogenized from new and previously published data; Standard Johnson UBVRI filters assumed Qualifiers :
No. 7 Reference Code : 1989ESOLV.C...0000L Freq. targeted : B (Cousins) (B_26) Measurement : 15.35 mag = 3.09E-29 W m^-2^ Hz^-1^ Uncertainty : 0.09 mag = 2.67E-30 Significance : typical accuracy Freq or Vel. : 4400 A (OBS )= 6.81E+14 Hz Frequency mode : Broad-band measurement; photometric system transformed Coord. targeted: 090253 -1853.1 (B1950) Spatial mode : Modelled datum Notes : From new raw data Qualifiers :
No. 8 Reference Code : 1989ESOLV.C...0000L Freq. targeted : B (Cousins) (B_T) Measurement : 15.23 mag = 3.43E-29 W m^-2^ Hz^-1^ Uncertainty : 0.09 mag = 2.97E-30 Significance : typical accuracy Freq or Vel. : 4400 A (OBS )= 6.81E+14 Hz Frequency mode : Broad-band measurement; photometric system transformed Coord. targeted: 090253 -1853.1 (B1950) Spatial mode : Modelled datum Notes : From new raw data Qualifiers :
No. 9 Reference Code : 1989ESOLV.C...0000L Freq. targeted : R (Cousins) (R_T) Measurement : 13.69 mag = 1.03E-28 W m^-2^ Hz^-1^ Uncertainty : 0.09 mag = 8.91E-30 Significance : typical accuracy Freq or Vel. : 6400 A (OBS )= 4.68E+14 Hz Frequency mode : Broad-band measurement; photometric system transformed Coord. targeted: 090253 -1853.1 (B1950) Spatial mode : Modelled datum Notes : From new raw data Qualifiers :
No. 10 Reference Code : 1989ESOLV.C...0000L Freq. targeted : R (Cousins) (R_25) Measurement : 13.95 mag = 8.10E-29 W m^-2^ Hz^-1^ Uncertainty : 0.09 mag = 7.00E-30 Significance : typical accuracy Freq or Vel. : 6400 A (OBS )= 4.68E+14 Hz Frequency mode : Broad-band measurement; photometric system transformed Coord. targeted: 090253 -1853.1 (B1950) Spatial mode : Modelled datum Notes : From new raw data Qualifiers :
No. 11 Reference Code : 1989ESOLV.C...0000L Freq. targeted : R (Cousins) (R_26) Measurement : 13.82 mag = 9.15E-29 W m^-2^ Hz^-1^ Uncertainty : 0.09 mag = 7.91E-30 Significance : typical accuracy Freq or Vel. : 6400 A (OBS )= 4.68E+14 Hz Frequency mode : Broad-band measurement; photometric system transformed Coord. targeted: 090253 -1853.1 (B1950) Spatial mode : Modelled datum Notes : From new raw data Qualifiers :
No. 12 Reference Code : 2006AJ....131.1163S Freq. targeted : J (2MASS/CTIO) Measurement : 12.714 mag = 1.31E-28 W m^-2^ Hz^-1^ Uncertainty : 0.007 mag = 8.44E-31 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. 13 Reference Code : 2006AJ....131.1163S Freq. targeted : J (2MASS/CTIO) Measurement : 13.366 mag = 7.18E-29 W m^-2^ Hz^-1^ Uncertainty : 0.081 mag = 5.36E-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. 14 Reference Code : 20032MASX.C.......: Freq. targeted : J_14arcsec (2MASS) Measurement : 12.323 mag = 1.87E-28 W m^-2^ Hz^-1^ Uncertainty : 0.012 mag = 2.08E-30 Significance : 1 sigma uncert. Freq or Vel. : 1.25 microns (OBS )= 2.40E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 090511.23 -190504.9 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : 14.0 x 14.0 arcsec aperture.
No. 15 Reference Code : 20032MASX.C.......: Freq. targeted : J Measurement : 11.786 mag = 3.07E-28 W m^-2^ Hz^-1^ Uncertainty : 0.037 mag = 1.07E-29 Significance : 1 sigma uncert. Freq or Vel. : 1.25 microns (OBS )= 2.40E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 090511.23 -190504.9 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers :
No. 16 Reference Code : 20032MASX.C.......: Freq. targeted : J Measurement : 11.947 mag = 2.65E-28 W m^-2^ Hz^-1^ Uncertainty : 0.028 mag = 6.92E-30 Significance : 1 sigma uncert. Freq or Vel. : 1.25 microns (OBS )= 2.40E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 090511.23 -190504.9 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data; Corrected for contaminating sources Qualifiers : 31.4 x 28.3 arcsec integration area.
No. 17 Reference Code : 20032MASX.C.......: Freq. targeted : H Measurement : 11.219 mag = 3.33E-28 W m^-2^ Hz^-1^ Uncertainty : 0.039 mag = 1.22E-29 Significance : 1 sigma uncert. Freq or Vel. : 1.65 microns (OBS )= 1.82E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 090511.23 -190504.9 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data; Corrected for contaminating sources Qualifiers : 31.4 x 28.3 arcsec integration area.
No. 18 Reference Code : 20032MASX.C.......: Freq. targeted : H_14arcsec (2MASS) Measurement : 11.589 mag = 2.37E-28 W m^-2^ Hz^-1^ Uncertainty : 0.014 mag = 3.08E-30 Significance : 1 sigma uncert. Freq or Vel. : 1.65 microns (OBS )= 1.82E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 090511.23 -190504.9 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : 14.0 x 14.0 arcsec aperture.
No. 19 Reference Code : 20032MASX.C.......: Freq. targeted : H Measurement : 11.161 mag = 3.51E-28 W m^-2^ Hz^-1^ Uncertainty : 0.050 mag = 1.66E-29 Significance : 1 sigma uncert. Freq or Vel. : 1.65 microns (OBS )= 1.82E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 090511.23 -190504.9 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers :
No. 20 Reference Code : 2006AJ....131.1163S Freq. targeted : H (2MASS/CTIO) Measurement : 11.956 mag = 1.69E-28 W m^-2^ Hz^-1^ Uncertainty : 0.013 mag = 2.02E-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. 21 Reference Code : 2006AJ....131.1163S Freq. targeted : H (2MASS/CTIO) Measurement : 12.526 mag = 1.00E-28 W m^-2^ Hz^-1^ Uncertainty : 0.086 mag = 7.92E-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; Poor quality
No. 22 Reference Code : 2006AJ....131.1163S Freq. targeted : K_s (2MASS/CTIO) Measurement : 11.667 mag = 1.44E-28 W m^-2^ Hz^-1^ Uncertainty : 0.013 mag = 1.72E-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. 23 Reference Code : 2006AJ....131.1163S Freq. targeted : K_s (2MASS/CTIO) Measurement : 12.195 mag = 8.83E-29 W m^-2^ Hz^-1^ Uncertainty : 0.059 mag = 4.80E-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; Poor quality
No. 24 Reference Code : 20032MASX.C.......: Freq. targeted : K_s Measurement : 10.976 mag = 2.71E-28 W m^-2^ Hz^-1^ Uncertainty : 0.060 mag = 1.54E-29 Significance : 1 sigma uncert. Freq or Vel. : 2.17 microns (OBS )= 1.38E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 090511.23 -190504.9 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data; Corrected for contaminating sources Qualifiers : 31.4 x 28.3 arcsec integration area.
No. 25 Reference Code : 20032MASX.C.......: Freq. targeted : K_s Measurement : 10.759 mag = 3.31E-28 W m^-2^ Hz^-1^ Uncertainty : 0.060 mag = 1.88E-29 Significance : 1 sigma uncert. Freq or Vel. : 2.17 microns (OBS )= 1.38E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 090511.23 -190504.9 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers :
No. 26 Reference Code : 20032MASX.C.......: Freq. targeted : K_s_14arcsec (2MASS) Measurement : 11.310 mag = 2.00E-28 W m^-2^ Hz^-1^ Uncertainty : 0.019 mag = 3.52E-30 Significance : 1 sigma uncert. Freq or Vel. : 2.17 microns (OBS )= 1.38E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 090511.23 -190504.9 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : 14.0 x 14.0 arcsec aperture.

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