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Date and Time of the Query: 2019-03-23 T03:19:41 PDT
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Spectral Energy Distribution (SED) for IC 4818:

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 18.7705 +/- 0.108334 mag 1.95E+15 1.13E-04 +/- 1.12E-05 Jy Broad-band Kron flux in elliptical aperture 2012GASC..C...0000S 1
2 FUV (GALEX) AB 21.3418 +/- 0.339878 mag 1.95E+15 1.06E-05 +/- 3.30E-06 Jy Broad-band Flux in 7.5 arcsec diameter aperture 2012GASC..C...0000S 2
3 NUV (GALEX) AB 18.4412 +/- 0.0627684 mag 1.29E+15 1.53E-04 +/- 8.82E-06 Jy Broad-band Kron flux in elliptical aperture 2012GASC..C...0000S 3
4 NUV (GALEX) AB 21.1325 +/- 0.171106 mag 1.29E+15 1.28E-05 +/- 2.02E-06 Jy Broad-band Flux in 7.5 arcsec diameter aperture 2012GASC..C...0000S 4
5 B (Cousins) (B_25) 15.44 +/- 0.09 mag 6.81E+14 2.84E-03 +/- 2.45E-04 Jy Broad-band 1989ESOLV.C...0000L 5
6 B (m_B) 15.33 +/- 0.21 mag 6.81E+14 3.14E-03 +/- 6.71E-04 Jy Broad-band 1991RC3.9.C...0000d 6
7 B (Cousins) (B_26) 15.22 +/- 0.09 mag 6.81E+14 3.48E-03 +/- 3.01E-04 Jy Broad-band 1989ESOLV.C...0000L 7
8 B (Cousins) (B_T) 15.39 +/- 0.09 mag 6.81E+14 2.97E-03 +/- 2.56E-04 Jy Broad-band 1989ESOLV.C...0000L 8
9 R (Cousins) (R_T) 13.92 +/- 0.09 mag 4.68E+14 8.35E-03 +/- 7.22E-04 Jy Broad-band 1989ESOLV.C...0000L 9
10 R (Cousins) (R_25) 13.97 +/- 0.09 mag 4.68E+14 7.94E-03 +/- 6.86E-04 Jy Broad-band 1989ESOLV.C...0000L 10
11 R (Cousins) (R_26) 13.79 +/- 0.09 mag 4.68E+14 9.40E-03 +/- 8.12E-04 Jy Broad-band 1989ESOLV.C...0000L 11
12 J (2MASS/CTIO) 13.417 +/- 0.014 mag 2.43E+14 6.85E-03 +/- 8.83E-05 Jy Broad-band 4" aperture 2006AJ....131.1163S 12
13 J (2MASS/CTIO) 14.171 +/- 0.106 mag 2.43E+14 3.42E-03 +/- 3.34E-04 Jy Broad-band Profile-fit 2006AJ....131.1163S 13
14 J_14arcsec (2MASS) 12.866 +/- 0.021 mag 2.40E+14 1.14E-02 +/- 2.22E-04 Jy Broad-band 14.0 x 14.0 arcsec aperture. 20032MASX.C.......: 14
15 J 11.948 +/- 0.047 mag 2.40E+14 2.65E-02 +/- 1.17E-03 Jy Broad-band 20032MASX.C.......: 15
16 J 12.057 +/- 0.038 mag 2.40E+14 2.39E-02 +/- 8.53E-04 Jy Broad-band 60.4 x 18.1 arcsec integration area. 20032MASX.C.......: 16
17 H 11.361 +/- 0.040 mag 1.82E+14 2.92E-02 +/- 1.10E-03 Jy Broad-band 60.4 x 18.1 arcsec integration area. 20032MASX.C.......: 17
18 H_14arcsec (2MASS) 12.174 +/- 0.020 mag 1.82E+14 1.38E-02 +/- 2.57E-04 Jy Broad-band 14.0 x 14.0 arcsec aperture. 20032MASX.C.......: 18
19 H 11.249 +/- 0.051 mag 1.82E+14 3.24E-02 +/- 1.56E-03 Jy Broad-band 20032MASX.C.......: 19
20 H (2MASS/CTIO) 12.655 +/- 0.011 mag 1.80E+14 8.88E-03 +/- 8.99E-05 Jy Broad-band 4" aperture 2006AJ....131.1163S 20
21 H (2MASS/CTIO) 13.429 +/- 0.125 mag 1.80E+14 4.35E-03 +/- 5.01E-04 Jy Broad-band Profile-fit 2006AJ....131.1163S 21
22 K_s (2MASS/CTIO) 12.314 +/- 0.014 mag 1.39E+14 7.91E-03 +/- 1.02E-04 Jy Broad-band 4" aperture 2006AJ....131.1163S 22
23 K_s (2MASS/CTIO) 12.978 +/- 0.078 mag 1.39E+14 4.29E-03 +/- 3.08E-04 Jy Broad-band Profile-fit 2006AJ....131.1163S 23
24 K_s 11.073 +/- 0.077 mag 1.38E+14 2.48E-02 +/- 1.82E-03 Jy Broad-band 60.4 x 18.1 arcsec integration area. 20032MASX.C.......: 24
25 K_s 10.975 +/- 0.070 mag 1.38E+14 2.72E-02 +/- 1.81E-03 Jy Broad-band 20032MASX.C.......: 25
26 K_s_14arcsec (2MASS) 11.850 +/- 0.033 mag 1.38E+14 1.21E-02 +/- 3.74E-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    :  18.7705     mag                  = 1.13E-30 W m^-2^ Hz^-1^
Uncertainty    :  0.108334    mag                  = 1.12E-31
Significance   : uncertainty
Freq or Vel.   : 1538.6       A            (OBS   )= 1.95E+15 Hz
Frequency mode : Broad-band measurement
Coord. targeted: 286.51171949421 -55.13673626347 (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 : 21.3418 mag = 1.06E-31 W m^-2^ Hz^-1^ Uncertainty : 0.339878 mag = 3.30E-32 Significance : uncertainty Freq or Vel. : 1538.6 A (OBS )= 1.95E+15 Hz Frequency mode : Broad-band measurement Coord. targeted: 286.51171949421 -55.13673626347 (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 : 18.4412 mag = 1.53E-30 W m^-2^ Hz^-1^ Uncertainty : 0.0627684 mag = 8.82E-32 Significance : uncertainty Freq or Vel. : 2315.7 A (OBS )= 1.29E+15 Hz Frequency mode : Broad-band measurement Coord. targeted: 286.51171949421 -55.13673626347 (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 : 21.1325 mag = 1.28E-31 W m^-2^ Hz^-1^ Uncertainty : 0.171106 mag = 2.02E-32 Significance : uncertainty Freq or Vel. : 2315.7 A (OBS )= 1.29E+15 Hz Frequency mode : Broad-band measurement Coord. targeted: 286.51171949421 -55.13673626347 (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 : 15.44 mag = 2.84E-29 W m^-2^ Hz^-1^ Uncertainty : 0.09 mag = 2.45E-30 Significance : typical accuracy Freq or Vel. : 4400 A (OBS )= 6.81E+14 Hz Frequency mode : Broad-band measurement; photometric system transformed Coord. targeted: 190156 -5512.8 (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 : 15.33 mag = 3.14E-29 W m^-2^ Hz^-1^ Uncertainty : 0.21 mag = 6.71E-30 Significance : rms uncertainty Freq or Vel. : 4400 A (OBS )= 6.81E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 190157.0 -551248 (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 : 15.22 mag = 3.48E-29 W m^-2^ Hz^-1^ Uncertainty : 0.09 mag = 3.01E-30 Significance : typical accuracy Freq or Vel. : 4400 A (OBS )= 6.81E+14 Hz Frequency mode : Broad-band measurement; photometric system transformed Coord. targeted: 190156 -5512.8 (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 : 15.39 mag = 2.97E-29 W m^-2^ Hz^-1^ Uncertainty : 0.09 mag = 2.56E-30 Significance : typical accuracy Freq or Vel. : 4400 A (OBS )= 6.81E+14 Hz Frequency mode : Broad-band measurement; photometric system transformed Coord. targeted: 190156 -5512.8 (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 : 13.92 mag = 8.35E-29 W m^-2^ Hz^-1^ Uncertainty : 0.09 mag = 7.22E-30 Significance : typical accuracy Freq or Vel. : 6400 A (OBS )= 4.68E+14 Hz Frequency mode : Broad-band measurement; photometric system transformed Coord. targeted: 190156 -5512.8 (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 : 13.97 mag = 7.94E-29 W m^-2^ Hz^-1^ Uncertainty : 0.09 mag = 6.86E-30 Significance : typical accuracy Freq or Vel. : 6400 A (OBS )= 4.68E+14 Hz Frequency mode : Broad-band measurement; photometric system transformed Coord. targeted: 190156 -5512.8 (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 : 13.79 mag = 9.39E-29 W m^-2^ Hz^-1^ Uncertainty : 0.09 mag = 8.12E-30 Significance : typical accuracy Freq or Vel. : 6400 A (OBS )= 4.68E+14 Hz Frequency mode : Broad-band measurement; photometric system transformed Coord. targeted: 190156 -5512.8 (B1950) Spatial mode : Modelled datum Notes : From new raw data Qualifiers :
No. 12 Reference Code : 2006AJ....131.1163S Freq. targeted : J (2MASS/CTIO) Measurement : 13.417 mag = 6.85E-29 W m^-2^ Hz^-1^ Uncertainty : 0.014 mag = 8.83E-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 : 14.171 mag = 3.42E-29 W m^-2^ Hz^-1^ Uncertainty : 0.106 mag = 3.34E-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. 14 Reference Code : 20032MASX.C.......: Freq. targeted : J_14arcsec (2MASS) Measurement : 12.866 mag = 1.14E-28 W m^-2^ Hz^-1^ Uncertainty : 0.021 mag = 2.22E-30 Significance : 1 sigma uncert. Freq or Vel. : 1.25 microns (OBS )= 2.40E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 190603.04 -550812.6 (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 : J Measurement : 11.948 mag = 2.65E-28 W m^-2^ Hz^-1^ Uncertainty : 0.047 mag = 1.17E-29 Significance : 1 sigma uncert. Freq or Vel. : 1.25 microns (OBS )= 2.40E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 190603.04 -550812.6 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers :
No. 16 Reference Code : 20032MASX.C.......: Freq. targeted : J Measurement : 12.057 mag = 2.39E-28 W m^-2^ Hz^-1^ Uncertainty : 0.038 mag = 8.53E-30 Significance : 1 sigma uncert. Freq or Vel. : 1.25 microns (OBS )= 2.40E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 190603.04 -550812.6 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : 60.4 x 18.1 arcsec integration area.
No. 17 Reference Code : 20032MASX.C.......: Freq. targeted : H Measurement : 11.361 mag = 2.92E-28 W m^-2^ Hz^-1^ Uncertainty : 0.040 mag = 1.10E-29 Significance : 1 sigma uncert. Freq or Vel. : 1.65 microns (OBS )= 1.82E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 190603.04 -550812.6 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : 60.4 x 18.1 arcsec integration area.
No. 18 Reference Code : 20032MASX.C.......: Freq. targeted : H_14arcsec (2MASS) Measurement : 12.174 mag = 1.38E-28 W m^-2^ Hz^-1^ Uncertainty : 0.020 mag = 2.57E-30 Significance : 1 sigma uncert. Freq or Vel. : 1.65 microns (OBS )= 1.82E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 190603.04 -550812.6 (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 : 11.249 mag = 3.24E-28 W m^-2^ Hz^-1^ Uncertainty : 0.051 mag = 1.56E-29 Significance : 1 sigma uncert. Freq or Vel. : 1.65 microns (OBS )= 1.82E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 190603.04 -550812.6 (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 : 12.655 mag = 8.88E-29 W m^-2^ Hz^-1^ Uncertainty : 0.011 mag = 8.99E-31 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 : 13.429 mag = 4.35E-29 W m^-2^ Hz^-1^ Uncertainty : 0.125 mag = 5.01E-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. 22 Reference Code : 2006AJ....131.1163S Freq. targeted : K_s (2MASS/CTIO) Measurement : 12.314 mag = 7.91E-29 W m^-2^ Hz^-1^ Uncertainty : 0.014 mag = 1.02E-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 : 12.978 mag = 4.29E-29 W m^-2^ Hz^-1^ Uncertainty : 0.078 mag = 3.08E-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. 24 Reference Code : 20032MASX.C.......: Freq. targeted : K_s Measurement : 11.073 mag = 2.48E-28 W m^-2^ Hz^-1^ Uncertainty : 0.077 mag = 1.82E-29 Significance : 1 sigma uncert. Freq or Vel. : 2.17 microns (OBS )= 1.38E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 190603.04 -550812.6 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : 60.4 x 18.1 arcsec integration area.
No. 25 Reference Code : 20032MASX.C.......: Freq. targeted : K_s Measurement : 10.975 mag = 2.72E-28 W m^-2^ Hz^-1^ Uncertainty : 0.070 mag = 1.81E-29 Significance : 1 sigma uncert. Freq or Vel. : 2.17 microns (OBS )= 1.38E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 190603.04 -550812.6 (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 : 11.850 mag = 1.21E-28 W m^-2^ Hz^-1^ Uncertainty : 0.033 mag = 3.74E-30 Significance : 1 sigma uncert. Freq or Vel. : 2.17 microns (OBS )= 1.38E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 190603.04 -550812.6 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : 14.0 x 14.0 arcsec aperture.

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