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Date and Time of the Query: 2019-06-19 T14:02:41 PDT
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Spectral Energy Distribution (SED) for IC 4938:

30 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 (B_T) 13.40 +/- 0.16 mag 6.81E+14 1.86E-02 +/- 2.95E-03 Jy Broad-band 1991RC3.9.C...0000d 1
2 B (m_B) 13.31 +/- 0.21 mag 6.81E+14 2.02E-02 +/- 4.31E-03 Jy Broad-band 1991RC3.9.C...0000d 2
3 B (B_T^0) 13.08 ... mag 6.81E+14 2.50E-02 ... Jy Broad-band 1991RC3.9.C...0000d 3
4 B (Cousins) (B_T) 13.33 +/- 0.09 mag 6.81E+14 1.98E-02 +/- 1.71E-03 Jy Broad-band 1989ESOLV.C...0000L 4
5 B (Cousins) (B_25) 13.72 +/- 0.09 mag 6.81E+14 1.38E-02 +/- 1.20E-03 Jy Broad-band 1989ESOLV.C...0000L 5
6 B (Cousins) (B_26) 13.62 +/- 0.09 mag 6.81E+14 1.52E-02 +/- 1.31E-03 Jy Broad-band 1989ESOLV.C...0000L 6
7 V (V_T^0) 12.47 ... mag 5.42E+14 3.74E-02 ... Jy Broad-band 1991RC3.9.C...0000d 7
8 V (V_T) 12.70 +/- 0.16 mag 5.42E+14 3.03E-02 +/- 4.85E-03 Jy Broad-band 1991RC3.9.C...0000d 8
9 R (Cousins) (R_T) 11.96 +/- 0.09 mag 4.68E+14 5.06E-02 +/- 4.38E-03 Jy Broad-band 1989ESOLV.C...0000L 9
10 R (Cousins) (R_25) 12.16 +/- 0.09 mag 4.68E+14 4.19E-02 +/- 3.63E-03 Jy Broad-band 1989ESOLV.C...0000L 10
11 R (Cousins) (R_26) 12.06 +/- 0.09 mag 4.68E+14 4.60E-02 +/- 3.98E-03 Jy Broad-band 1989ESOLV.C...0000L 11
12 J (2MASS/CTIO) 13.028 +/- 0.011 mag 2.43E+14 9.80E-03 +/- 9.93E-05 Jy Broad-band 4" aperture 2006AJ....131.1163S 12
13 J (2MASS/CTIO) 13.496 +/- 0.065 mag 2.43E+14 6.37E-03 +/- 3.81E-04 Jy Broad-band Profile-fit; Poor quality 2006AJ....131.1163S 13
14 J 11.101 +/- 0.023 mag 2.40E+14 5.77E-02 +/- 1.24E-03 Jy Broad-band 61.8 x 48.2 arcsec integration area. 20032MASX.C.......: 14
15 J 10.767 +/- 0.030 mag 2.40E+14 7.85E-02 +/- 2.20E-03 Jy Broad-band 20032MASX.C.......: 15
16 J_14arcsec (2MASS) 12.461 +/- 0.011 mag 2.40E+14 1.65E-02 +/- 1.68E-04 Jy Broad-band 14.0 x 14.0 arcsec aperture. 20032MASX.C.......: 16
17 H 10.476 +/- 0.039 mag 1.82E+14 6.61E-02 +/- 2.42E-03 Jy Broad-band 61.8 x 48.2 arcsec integration area. 20032MASX.C.......: 17
18 H 10.156 +/- 0.040 mag 1.82E+14 8.87E-02 +/- 3.33E-03 Jy Broad-band 20032MASX.C.......: 18
19 H_14arcsec (2MASS) 11.750 +/- 0.015 mag 1.82E+14 2.04E-02 +/- 2.84E-04 Jy Broad-band 14.0 x 14.0 arcsec aperture. 20032MASX.C.......: 19
20 H (2MASS/CTIO) 12.291 +/- 0.021 mag 1.80E+14 1.24E-02 +/- 2.40E-04 Jy Broad-band 4" aperture 2006AJ....131.1163S 20
21 H (2MASS/CTIO) 12.834 +/- 0.094 mag 1.80E+14 7.53E-03 +/- 6.52E-04 Jy Broad-band Profile-fit 2006AJ....131.1163S 21
22 K_s (2MASS/CTIO) 12.43 +/- 0.064 mag 1.39E+14 7.11E-03 +/- 4.19E-04 Jy Broad-band Profile-fit 2006AJ....131.1163S 22
23 K_s (2MASS/CTIO) 12.028 +/- 0.015 mag 1.39E+14 1.03E-02 +/- 1.42E-04 Jy Broad-band 4" aperture 2006AJ....131.1163S 23
24 K_s_14arcsec (2MASS) 11.482 +/- 0.020 mag 1.38E+14 1.70E-02 +/- 3.17E-04 Jy Broad-band 14.0 x 14.0 arcsec aperture. 20032MASX.C.......: 24
25 K_s 10.214 +/- 0.054 mag 1.38E+14 5.48E-02 +/- 2.79E-03 Jy Broad-band 61.8 x 48.2 arcsec integration area. 20032MASX.C.......: 25
26 K_s 9.918 +/- 0.056 mag 1.38E+14 7.19E-02 +/- 3.81E-03 Jy Broad-band 20032MASX.C.......: 26
27 12 microns (IRAS) 1.206E-01 +/- 23 % Jy 2.50E+13 1.21E-01 +/- 2.77E-02 Jy Broad-band IRAS quality flag = 2 1990IRASF.C...0000M 27
28 25 microns (IRAS) 1.221E-01 +/- 26 % Jy 1.20E+13 1.22E-01 +/- 3.14E-02 Jy Broad-band IRAS quality flag = 2 1990IRASF.C...0000M 28
29 60 microns (IRAS) 4.270E-01 +/- 11 % Jy 5.00E+12 4.27E-01 +/- 4.70E-02 Jy Broad-band IRAS quality flag = 3 1990IRASF.C...0000M 29
30 100 microns (IRAS) 1.250E+00 +/- 19 % Jy 3.00E+12 1.25E+00 +/- 2.38E-01 Jy Broad-band IRAS quality flag = 2 1990IRASF.C...0000M 30


Detailed Information for Each Entry

 No. 1
Reference Code : 1991RC3.9.C...0000d
Freq. targeted : B (B_T)             
Measurement    :  13.40       mag                  = 1.86E-28 W m^-2^ Hz^-1^
Uncertainty    :  0.16        mag                  = 2.95E-29
Significance   : rms uncertainty
Freq or Vel.   : 4400         A            (OBS   )= 6.81E+14 Hz
Frequency mode : Broad-band measurement
Coord. targeted: 200157.0        -602112 (B1950)
Spatial mode   : From multi-aperture data
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) Measurement : 13.31 mag = 2.02E-28 W m^-2^ Hz^-1^ Uncertainty : 0.21 mag = 4.31E-29 Significance : rms uncertainty Freq or Vel. : 4400 A (OBS )= 6.81E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 200157.0 -602112 (B1950) Spatial mode : Multiple methods Notes : Homogenized from new and previously published data; Standard Johnson UBVRI filters assumed Qualifiers :
No. 3 Reference Code : 1991RC3.9.C...0000d Freq. targeted : B (B_T^0) Measurement : 13.08 mag = 2.50E-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: 200157.0 -602112 (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. 4 Reference Code : 1989ESOLV.C...0000L Freq. targeted : B (Cousins) (B_T) Measurement : 13.33 mag = 1.98E-28 W m^-2^ Hz^-1^ Uncertainty : 0.09 mag = 1.71E-29 Significance : typical accuracy Freq or Vel. : 4400 A (OBS )= 6.81E+14 Hz Frequency mode : Broad-band measurement; photometric system transformed Coord. targeted: 200156 -6021.2 (B1950) Spatial mode : Modelled datum Notes : From new raw data Qualifiers :
No. 5 Reference Code : 1989ESOLV.C...0000L Freq. targeted : B (Cousins) (B_25) Measurement : 13.72 mag = 1.38E-28 W m^-2^ Hz^-1^ Uncertainty : 0.09 mag = 1.19E-29 Significance : typical accuracy Freq or Vel. : 4400 A (OBS )= 6.81E+14 Hz Frequency mode : Broad-band measurement; photometric system transformed Coord. targeted: 200156 -6021.2 (B1950) Spatial mode : Modelled datum Notes : From new raw data Qualifiers :
No. 6 Reference Code : 1989ESOLV.C...0000L Freq. targeted : B (Cousins) (B_26) Measurement : 13.62 mag = 1.52E-28 W m^-2^ Hz^-1^ Uncertainty : 0.09 mag = 1.31E-29 Significance : typical accuracy Freq or Vel. : 4400 A (OBS )= 6.81E+14 Hz Frequency mode : Broad-band measurement; photometric system transformed Coord. targeted: 200156 -6021.2 (B1950) Spatial mode : Modelled datum Notes : From new raw data Qualifiers :
No. 7 Reference Code : 1991RC3.9.C...0000d Freq. targeted : V (V_T^0) Measurement : 12.47 mag = 3.74E-28 W m^-2^ Hz^-1^ Uncertainty : mag = 0.00E+00 Significance : no uncertainty reported Freq or Vel. : 5530 A (OBS )= 5.42E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 200157.0 -602112 (B1950) Spatial mode : From multi-aperture data 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. 8 Reference Code : 1991RC3.9.C...0000d Freq. targeted : V (V_T) Measurement : 12.70 mag = 3.03E-28 W m^-2^ Hz^-1^ Uncertainty : 0.16 mag = 4.85E-29 Significance : rms uncertainty Freq or Vel. : 5530 A (OBS )= 5.42E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 200157.0 -602112 (B1950) Spatial mode : From multi-aperture data Notes : Homogenized from new and previously published data; Standard Johnson UBVRI filters assumed Qualifiers :
No. 9 Reference Code : 1989ESOLV.C...0000L Freq. targeted : R (Cousins) (R_T) Measurement : 11.96 mag = 5.06E-28 W m^-2^ Hz^-1^ Uncertainty : 0.09 mag = 4.37E-29 Significance : typical accuracy Freq or Vel. : 6400 A (OBS )= 4.68E+14 Hz Frequency mode : Broad-band measurement; photometric system transformed Coord. targeted: 200156 -6021.2 (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 : 12.16 mag = 4.19E-28 W m^-2^ Hz^-1^ Uncertainty : 0.09 mag = 3.63E-29 Significance : typical accuracy Freq or Vel. : 6400 A (OBS )= 4.68E+14 Hz Frequency mode : Broad-band measurement; photometric system transformed Coord. targeted: 200156 -6021.2 (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 : 12.06 mag = 4.60E-28 W m^-2^ Hz^-1^ Uncertainty : 0.09 mag = 3.97E-29 Significance : typical accuracy Freq or Vel. : 6400 A (OBS )= 4.68E+14 Hz Frequency mode : Broad-band measurement; photometric system transformed Coord. targeted: 200156 -6021.2 (B1950) Spatial mode : Modelled datum Notes : From new raw data Qualifiers :
No. 12 Reference Code : 2006AJ....131.1163S Freq. targeted : J (2MASS/CTIO) Measurement : 13.028 mag = 9.80E-29 W m^-2^ Hz^-1^ Uncertainty : 0.011 mag = 9.93E-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 : 13.496 mag = 6.37E-29 W m^-2^ Hz^-1^ Uncertainty : 0.065 mag = 3.81E-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 Measurement : 11.101 mag = 5.77E-28 W m^-2^ Hz^-1^ Uncertainty : 0.023 mag = 1.24E-29 Significance : 1 sigma uncert. Freq or Vel. : 1.25 microns (OBS )= 2.40E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 200611.70 -601241.8 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data; Corrected for contaminating sources Qualifiers : 61.8 x 48.2 arcsec integration area.
No. 15 Reference Code : 20032MASX.C.......: Freq. targeted : J Measurement : 10.767 mag = 7.85E-28 W m^-2^ Hz^-1^ Uncertainty : 0.030 mag = 2.20E-29 Significance : 1 sigma uncert. Freq or Vel. : 1.25 microns (OBS )= 2.40E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 200611.70 -601241.8 (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 : 12.461 mag = 1.65E-28 W m^-2^ Hz^-1^ Uncertainty : 0.011 mag = 1.68E-30 Significance : 1 sigma uncert. Freq or Vel. : 1.25 microns (OBS )= 2.40E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 200611.70 -601241.8 (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 : H Measurement : 10.476 mag = 6.61E-28 W m^-2^ Hz^-1^ Uncertainty : 0.039 mag = 2.42E-29 Significance : 1 sigma uncert. Freq or Vel. : 1.65 microns (OBS )= 1.82E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 200611.70 -601241.8 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data; Corrected for contaminating sources Qualifiers : 61.8 x 48.2 arcsec integration area.
No. 18 Reference Code : 20032MASX.C.......: Freq. targeted : H Measurement : 10.156 mag = 8.87E-28 W m^-2^ Hz^-1^ Uncertainty : 0.040 mag = 3.33E-29 Significance : 1 sigma uncert. Freq or Vel. : 1.65 microns (OBS )= 1.82E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 200611.70 -601241.8 (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 : 11.750 mag = 2.04E-28 W m^-2^ Hz^-1^ Uncertainty : 0.015 mag = 2.84E-30 Significance : 1 sigma uncert. Freq or Vel. : 1.65 microns (OBS )= 1.82E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 200611.70 -601241.8 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : 14.0 x 14.0 arcsec aperture.
No. 20 Reference Code : 2006AJ....131.1163S Freq. targeted : H (2MASS/CTIO) Measurement : 12.291 mag = 1.24E-28 W m^-2^ Hz^-1^ Uncertainty : 0.021 mag = 2.40E-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 : 12.834 mag = 7.53E-29 W m^-2^ Hz^-1^ Uncertainty : 0.094 mag = 6.52E-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 : 12.43 mag = 7.11E-29 W m^-2^ Hz^-1^ Uncertainty : 0.064 mag = 4.19E-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. 23 Reference Code : 2006AJ....131.1163S Freq. targeted : K_s (2MASS/CTIO) Measurement : 12.028 mag = 1.03E-28 W m^-2^ Hz^-1^ Uncertainty : 0.015 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 : 4" aperture
No. 24 Reference Code : 20032MASX.C.......: Freq. targeted : K_s_14arcsec (2MASS) Measurement : 11.482 mag = 1.70E-28 W m^-2^ Hz^-1^ Uncertainty : 0.020 mag = 3.17E-30 Significance : 1 sigma uncert. Freq or Vel. : 2.17 microns (OBS )= 1.38E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 200611.70 -601241.8 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : 14.0 x 14.0 arcsec aperture.
No. 25 Reference Code : 20032MASX.C.......: Freq. targeted : K_s Measurement : 10.214 mag = 5.48E-28 W m^-2^ Hz^-1^ Uncertainty : 0.054 mag = 2.79E-29 Significance : 1 sigma uncert. Freq or Vel. : 2.17 microns (OBS )= 1.38E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 200611.70 -601241.8 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data; Corrected for contaminating sources Qualifiers : 61.8 x 48.2 arcsec integration area.
No. 26 Reference Code : 20032MASX.C.......: Freq. targeted : K_s Measurement : 9.918 mag = 7.19E-28 W m^-2^ Hz^-1^ Uncertainty : 0.056 mag = 3.81E-29 Significance : 1 sigma uncert. Freq or Vel. : 2.17 microns (OBS )= 1.38E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 200611.70 -601241.8 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers :
No. 27 Reference Code : 1990IRASF.C...0000M Freq. targeted : 12 microns (IRAS) Measurement : 1.206E-01 Jy = 1.21E-27 W m^-2^ Hz^-1^ Uncertainty : 23 % Jy = 2.77E-28 Significance : uncertainty Freq or Vel. : 12 microns (OBS )= 2.50E+13 Hz Frequency mode : Broad-band measurement Coord. targeted: 200201.9 -602112 (B1950) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : IRAS quality flag = 2
No. 28 Reference Code : 1990IRASF.C...0000M Freq. targeted : 25 microns (IRAS) Measurement : 1.221E-01 Jy = 1.22E-27 W m^-2^ Hz^-1^ Uncertainty : 26 % Jy = 3.14E-28 Significance : uncertainty Freq or Vel. : 25 microns (OBS )= 1.20E+13 Hz Frequency mode : Broad-band measurement Coord. targeted: 200201.9 -602112 (B1950) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : IRAS quality flag = 2
No. 29 Reference Code : 1990IRASF.C...0000M Freq. targeted : 60 microns (IRAS) Measurement : 4.270E-01 Jy = 4.27E-27 W m^-2^ Hz^-1^ Uncertainty : 11 % Jy = 4.70E-28 Significance : uncertainty Freq or Vel. : 60 microns (OBS )= 5.00E+12 Hz Frequency mode : Broad-band measurement Coord. targeted: 200201.9 -602112 (B1950) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : IRAS quality flag = 3
No. 30 Reference Code : 1990IRASF.C...0000M Freq. targeted : 100 microns (IRAS) Measurement : 1.250E+00 Jy = 1.25E-26 W m^-2^ Hz^-1^ Uncertainty : 19 % Jy = 2.38E-27 Significance : uncertainty Freq or Vel. : 100 microns (OBS )= 3.00E+12 Hz Frequency mode : Broad-band measurement Coord. targeted: 200201.9 -602112 (B1950) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : IRAS quality flag = 2

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