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Date and Time of the Query: 2019-06-17 T06:02:31 PDT
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Spectral Energy Distribution (SED) for IC 4754:

23 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 B (m_B) 14.33 +/- 0.21 mag 6.81E+14 7.90E-03 +/- 1.69E-03 Jy Broad-band 1991RC3.9.C...0000d 1
2 B (m_B^0) 13.79 ... mag 6.81E+14 1.30E-02 ... Jy Broad-band 1991RC3.9.C...0000d 2
3 B (Cousins) (B_T) 14.37 +/- 0.09 mag 6.81E+14 7.59E-03 +/- 6.56E-04 Jy Broad-band 1989ESOLV.C...0000L 3
4 B (Cousins) (B_25) 14.53 +/- 0.09 mag 6.81E+14 6.56E-03 +/- 5.67E-04 Jy Broad-band 1989ESOLV.C...0000L 4
5 B (Cousins) (B_26) 14.44 +/- 0.09 mag 6.81E+14 7.13E-03 +/- 6.16E-04 Jy Broad-band 1989ESOLV.C...0000L 5
6 R (Cousins) (R_T) 12.93 +/- 0.09 mag 4.68E+14 2.08E-02 +/- 1.80E-03 Jy Broad-band 1989ESOLV.C...0000L 6
7 R (Cousins) (R_25) 13.04 +/- 0.09 mag 4.68E+14 1.86E-02 +/- 1.61E-03 Jy Broad-band 1989ESOLV.C...0000L 7
8 R (Cousins) (R_26) 12.95 +/- 0.09 mag 4.68E+14 2.03E-02 +/- 1.76E-03 Jy Broad-band 1989ESOLV.C...0000L 8
9 J (2MASS/CTIO) 13.985 +/- 0.09 mag 2.43E+14 4.06E-03 +/- 3.37E-04 Jy Broad-band Profile-fit; Poor quality 2006AJ....131.1163S 9
10 J (2MASS/CTIO) 13.354 +/- 0.013 mag 2.43E+14 7.26E-03 +/- 8.69E-05 Jy Broad-band 4" aperture 2006AJ....131.1163S 10
11 J 11.137 +/- 0.050 mag 2.40E+14 5.59E-02 +/- 2.63E-03 Jy Broad-band 20032MASX.C.......: 11
12 J_14arcsec (2MASS) 12.692 +/- 0.015 mag 2.40E+14 1.33E-02 +/- 1.86E-04 Jy Broad-band 14.0 x 14.0 arcsec aperture. 20032MASX.C.......: 12
13 J 11.416 +/- 0.033 mag 2.40E+14 4.32E-02 +/- 1.33E-03 Jy Broad-band 82.8 x 34.8 arcsec integration area. 20032MASX.C.......: 13
14 H_14arcsec (2MASS) 12.001 +/- 0.018 mag 1.82E+14 1.62E-02 +/- 2.71E-04 Jy Broad-band 14.0 x 14.0 arcsec aperture. 20032MASX.C.......: 14
15 H 10.464 +/- 0.056 mag 1.82E+14 6.68E-02 +/- 3.54E-03 Jy Broad-band 20032MASX.C.......: 15
16 H 10.737 +/- 0.046 mag 1.82E+14 5.19E-02 +/- 2.25E-03 Jy Broad-band 82.8 x 34.8 arcsec integration area. 20032MASX.C.......: 16
17 H (2MASS/CTIO) 13.437 +/- 0.094 mag 1.80E+14 4.32E-03 +/- 3.74E-04 Jy Broad-band Profile-fit; Poor quality 2006AJ....131.1163S 17
18 H (2MASS/CTIO) 12.622 +/- 0.03 mag 1.80E+14 9.15E-03 +/- 2.53E-04 Jy Broad-band 4" aperture 2006AJ....131.1163S 18
19 K_s (2MASS/CTIO) 13.001 +/- 0.086 mag 1.39E+14 4.20E-03 +/- 3.33E-04 Jy Broad-band Profile-fit 2006AJ....131.1163S 19
20 K_s (2MASS/CTIO) 12.336 +/- 0.008 mag 1.39E+14 7.76E-03 +/- 5.71E-05 Jy Broad-band 4" aperture 2006AJ....131.1163S 20
21 K_s 10.377 +/- 0.058 mag 1.38E+14 4.71E-02 +/- 2.59E-03 Jy Broad-band 82.8 x 34.8 arcsec integration area. 20032MASX.C.......: 21
22 K_s 9.981 +/- 0.060 mag 1.38E+14 6.79E-02 +/- 3.86E-03 Jy Broad-band 20032MASX.C.......: 22
23 K_s_14arcsec (2MASS) 11.694 +/- 0.023 mag 1.38E+14 1.40E-02 +/- 3.00E-04 Jy Broad-band 14.0 x 14.0 arcsec aperture. 20032MASX.C.......: 23


Detailed Information for Each Entry

 No. 1
Reference Code : 1991RC3.9.C...0000d
Freq. targeted : B (m_B)             
Measurement    :  14.33       mag                  = 7.90E-29 W m^-2^ Hz^-1^
Uncertainty    :  0.21        mag                  = 1.69E-29
Significance   : rms uncertainty
Freq or Vel.   : 4400         A            (OBS   )= 6.81E+14 Hz
Frequency mode : Broad-band measurement
Coord. targeted: 183923.0        -620224 (B1950)
Spatial mode   : Multiple methods
Notes          : Homogenized from new and previously published data; Standard
                 Johnson UBVRI filters assumed
Qualifiers     :                                         

No. 2 Reference Code : 1991RC3.9.C...0000d Freq. targeted : B (m_B^0) Measurement : 13.79 mag = 1.30E-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: 183923.0 -620224 (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. 3 Reference Code : 1989ESOLV.C...0000L Freq. targeted : B (Cousins) (B_T) Measurement : 14.37 mag = 7.59E-29 W m^-2^ Hz^-1^ Uncertainty : 0.09 mag = 6.56E-30 Significance : typical accuracy Freq or Vel. : 4400 A (OBS )= 6.81E+14 Hz Frequency mode : Broad-band measurement; photometric system transformed Coord. targeted: 183923 -6202.4 (B1950) Spatial mode : Modelled datum Notes : From new raw data Qualifiers :
No. 4 Reference Code : 1989ESOLV.C...0000L Freq. targeted : B (Cousins) (B_25) Measurement : 14.53 mag = 6.56E-29 W m^-2^ Hz^-1^ Uncertainty : 0.09 mag = 5.67E-30 Significance : typical accuracy Freq or Vel. : 4400 A (OBS )= 6.81E+14 Hz Frequency mode : Broad-band measurement; photometric system transformed Coord. targeted: 183923 -6202.4 (B1950) Spatial mode : Modelled datum Notes : From new raw data Qualifiers :
No. 5 Reference Code : 1989ESOLV.C...0000L Freq. targeted : B (Cousins) (B_26) Measurement : 14.44 mag = 7.13E-29 W m^-2^ Hz^-1^ Uncertainty : 0.09 mag = 6.16E-30 Significance : typical accuracy Freq or Vel. : 4400 A (OBS )= 6.81E+14 Hz Frequency mode : Broad-band measurement; photometric system transformed Coord. targeted: 183923 -6202.4 (B1950) Spatial mode : Modelled datum Notes : From new raw data Qualifiers :
No. 6 Reference Code : 1989ESOLV.C...0000L Freq. targeted : R (Cousins) (R_T) Measurement : 12.93 mag = 2.08E-28 W m^-2^ Hz^-1^ Uncertainty : 0.09 mag = 1.80E-29 Significance : typical accuracy Freq or Vel. : 6400 A (OBS )= 4.68E+14 Hz Frequency mode : Broad-band measurement; photometric system transformed Coord. targeted: 183923 -6202.4 (B1950) Spatial mode : Modelled datum Notes : From new raw data Qualifiers :
No. 7 Reference Code : 1989ESOLV.C...0000L Freq. targeted : R (Cousins) (R_25) Measurement : 13.04 mag = 1.86E-28 W m^-2^ Hz^-1^ Uncertainty : 0.09 mag = 1.61E-29 Significance : typical accuracy Freq or Vel. : 6400 A (OBS )= 4.68E+14 Hz Frequency mode : Broad-band measurement; photometric system transformed Coord. targeted: 183923 -6202.4 (B1950) Spatial mode : Modelled datum Notes : From new raw data Qualifiers :
No. 8 Reference Code : 1989ESOLV.C...0000L Freq. targeted : R (Cousins) (R_26) Measurement : 12.95 mag = 2.03E-28 W m^-2^ Hz^-1^ Uncertainty : 0.09 mag = 1.76E-29 Significance : typical accuracy Freq or Vel. : 6400 A (OBS )= 4.68E+14 Hz Frequency mode : Broad-band measurement; photometric system transformed Coord. targeted: 183923 -6202.4 (B1950) Spatial mode : Modelled datum Notes : From new raw data Qualifiers :
No. 9 Reference Code : 2006AJ....131.1163S Freq. targeted : J (2MASS/CTIO) Measurement : 13.985 mag = 4.06E-29 W m^-2^ Hz^-1^ Uncertainty : 0.09 mag = 3.37E-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. 10 Reference Code : 2006AJ....131.1163S Freq. targeted : J (2MASS/CTIO) Measurement : 13.354 mag = 7.26E-29 W m^-2^ Hz^-1^ Uncertainty : 0.013 mag = 8.69E-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. 11 Reference Code : 20032MASX.C.......: Freq. targeted : J Measurement : 11.137 mag = 5.59E-28 W m^-2^ Hz^-1^ Uncertainty : 0.050 mag = 2.63E-29 Significance : 1 sigma uncert. Freq or Vel. : 1.25 microns (OBS )= 2.40E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 184400.28 -615924.6 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers :
No. 12 Reference Code : 20032MASX.C.......: Freq. targeted : J_14arcsec (2MASS) Measurement : 12.692 mag = 1.33E-28 W m^-2^ Hz^-1^ Uncertainty : 0.015 mag = 1.86E-30 Significance : 1 sigma uncert. Freq or Vel. : 1.25 microns (OBS )= 2.40E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 184400.28 -615924.6 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : 14.0 x 14.0 arcsec aperture.
No. 13 Reference Code : 20032MASX.C.......: Freq. targeted : J Measurement : 11.416 mag = 4.32E-28 W m^-2^ Hz^-1^ Uncertainty : 0.033 mag = 1.33E-29 Significance : 1 sigma uncert. Freq or Vel. : 1.25 microns (OBS )= 2.40E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 184400.28 -615924.6 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data; Corrected for contaminating sources Qualifiers : 82.8 x 34.8 arcsec integration area.
No. 14 Reference Code : 20032MASX.C.......: Freq. targeted : H_14arcsec (2MASS) Measurement : 12.001 mag = 1.62E-28 W m^-2^ Hz^-1^ Uncertainty : 0.018 mag = 2.71E-30 Significance : 1 sigma uncert. Freq or Vel. : 1.65 microns (OBS )= 1.82E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 184400.28 -615924.6 (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 : H Measurement : 10.464 mag = 6.68E-28 W m^-2^ Hz^-1^ Uncertainty : 0.056 mag = 3.54E-29 Significance : 1 sigma uncert. Freq or Vel. : 1.65 microns (OBS )= 1.82E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 184400.28 -615924.6 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers :
No. 16 Reference Code : 20032MASX.C.......: Freq. targeted : H Measurement : 10.737 mag = 5.19E-28 W m^-2^ Hz^-1^ Uncertainty : 0.046 mag = 2.25E-29 Significance : 1 sigma uncert. Freq or Vel. : 1.65 microns (OBS )= 1.82E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 184400.28 -615924.6 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data; Corrected for contaminating sources Qualifiers : 82.8 x 34.8 arcsec integration area.
No. 17 Reference Code : 2006AJ....131.1163S Freq. targeted : H (2MASS/CTIO) Measurement : 13.437 mag = 4.32E-29 W m^-2^ Hz^-1^ Uncertainty : 0.094 mag = 3.74E-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. 18 Reference Code : 2006AJ....131.1163S Freq. targeted : H (2MASS/CTIO) Measurement : 12.622 mag = 9.15E-29 W m^-2^ Hz^-1^ Uncertainty : 0.03 mag = 2.53E-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. 19 Reference Code : 2006AJ....131.1163S Freq. targeted : K_s (2MASS/CTIO) Measurement : 13.001 mag = 4.20E-29 W m^-2^ Hz^-1^ Uncertainty : 0.086 mag = 3.33E-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. 20 Reference Code : 2006AJ....131.1163S Freq. targeted : K_s (2MASS/CTIO) Measurement : 12.336 mag = 7.76E-29 W m^-2^ Hz^-1^ Uncertainty : 0.008 mag = 5.71E-31 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. 21 Reference Code : 20032MASX.C.......: Freq. targeted : K_s Measurement : 10.377 mag = 4.71E-28 W m^-2^ Hz^-1^ Uncertainty : 0.058 mag = 2.59E-29 Significance : 1 sigma uncert. Freq or Vel. : 2.17 microns (OBS )= 1.38E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 184400.28 -615924.6 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data; Corrected for contaminating sources Qualifiers : 82.8 x 34.8 arcsec integration area.
No. 22 Reference Code : 20032MASX.C.......: Freq. targeted : K_s Measurement : 9.981 mag = 6.79E-28 W m^-2^ Hz^-1^ Uncertainty : 0.060 mag = 3.86E-29 Significance : 1 sigma uncert. Freq or Vel. : 2.17 microns (OBS )= 1.38E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 184400.28 -615924.6 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers :
No. 23 Reference Code : 20032MASX.C.......: Freq. targeted : K_s_14arcsec (2MASS) Measurement : 11.694 mag = 1.40E-28 W m^-2^ Hz^-1^ Uncertainty : 0.023 mag = 3.00E-30 Significance : 1 sigma uncert. Freq or Vel. : 2.17 microns (OBS )= 1.38E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 184400.28 -615924.6 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : 14.0 x 14.0 arcsec aperture.

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