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Date and Time of the Query: 2019-02-19 T12:57:45 PST
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Spectral Energy Distribution (SED) for NGC 7548:

28 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) 14.31 +/- 0.15 mag 6.81E+14 8.04E-03 +/- 1.19E-03 Jy Broad-band 1991RC3.9.C...0000d 1
2 B (m_B^0) 13.87 ... mag 6.81E+14 1.21E-02 ... Jy Broad-band 1991RC3.9.C...0000d 2
3 m_p 14.5 +/- 0.4 mag 6.81E+14 6.75E-03 +/- 3.01E-03 Jy Broad-band 1968CGCG6.C...0000Z 3
4 J (2MASS/FLWO) 12.616 +/- 0.006 mag 2.43E+14 1.43E-02 +/- 7.92E-05 Jy Broad-band 4" aperture 2006AJ....131.1163S 4
5 J (2MASS/FLWO) 12.955 +/- 0.046 mag 2.43E+14 1.05E-02 +/- 4.44E-04 Jy Broad-band Profile-fit; Poor quality 2006AJ....131.1163S 5
6 J 11.178 +/- 0.022 mag 2.40E+14 5.38E-02 +/- 1.10E-03 Jy Broad-band 54.6 x 49.1 arcsec integration area. 20032MASX.C.......: 6
7 J 11.012 +/- 0.022 mag 2.40E+14 6.27E-02 +/- 1.28E-03 Jy Broad-band 20032MASX.C.......: 7
8 J_14arcsec (2MASS) 12.131 +/- 0.008 mag 2.40E+14 2.24E-02 +/- 1.65E-04 Jy Broad-band 14.0 x 14.0 arcsec aperture. 20032MASX.C.......: 8
9 H 10.435 +/- 0.030 mag 1.82E+14 6.86E-02 +/- 1.92E-03 Jy Broad-band 54.6 x 49.1 arcsec integration area. 20032MASX.C.......: 9
10 H 10.221 +/- 0.027 mag 1.82E+14 8.35E-02 +/- 2.10E-03 Jy Broad-band 20032MASX.C.......: 10
11 H_14arcsec (2MASS) 11.401 +/- 0.009 mag 1.82E+14 2.82E-02 +/- 2.35E-04 Jy Broad-band 14.0 x 14.0 arcsec aperture. 20032MASX.C.......: 11
12 H (2MASS/FLWO) 11.87 +/- 0.011 mag 1.80E+14 1.83E-02 +/- 1.85E-04 Jy Broad-band 4" aperture 2006AJ....131.1163S 12
13 H (2MASS/FLWO) 12.258 +/- 0.054 mag 1.80E+14 1.28E-02 +/- 6.36E-04 Jy Broad-band Profile-fit; Poor quality 2006AJ....131.1163S 13
14 K_s (2MASS/FLWO) 11.9 +/- 0.052 mag 1.39E+14 1.16E-02 +/- 5.55E-04 Jy Broad-band Profile-fit; Poor quality 2006AJ....131.1163S 14
15 K_s (2MASS/FLWO) 11.518 +/- 0.024 mag 1.39E+14 1.65E-02 +/- 3.64E-04 Jy Broad-band 4" aperture 2006AJ....131.1163S 15
16 K_s 9.994 +/- 0.040 mag 1.38E+14 6.70E-02 +/- 2.52E-03 Jy Broad-band 20032MASX.C.......: 16
17 K_s 10.141 +/- 0.042 mag 1.38E+14 5.86E-02 +/- 2.31E-03 Jy Broad-band 54.6 x 49.1 arcsec integration area. 20032MASX.C.......: 17
18 K_s_14arcsec (2MASS) 11.059 +/- 0.012 mag 1.38E+14 2.51E-02 +/- 2.79E-04 Jy Broad-band 14.0 x 14.0 arcsec aperture. 20032MASX.C.......: 18
19 12 microns (IRAS) ... <0.250 Jy 2.50E+13 < 2.50E-01 Jy Broad-band 1988IRASP.C2..0000: 19
20 25 microns (IRAS) ... <0.276 Jy 1.20E+13 < 2.76E-01 Jy Broad-band 1988IRASP.C2..0000: 20
21 60 microns (IRAS) ... <0.400 Jy 5.00E+12 < 4.00E-01 Jy Broad-band 1988IRASP.C2..0000: 21
22 100 microns (IRAS) 1.726 +/- 11 % Jy 3.00E+12 1.73E+00 +/- 1.90E-01 Jy Broad-band IRAS quality flag = 3 1988IRASP.C2..0000: 22
23 2380 MHz -4. +/- 3. milliJy 2.38E+09 -4.00E-03 +/- 3.00E-03 Jy Broad-band 1978ApJS...36...53D 23
24 HI (21 cm line) 18.76 +/- 0.30 m_21 mag 1.42E+09 1.37E+03 +/- 4.35E+02 Jy-Hz Line m_21 equiv. to S(HI) = 1.368E-23 W m^-2 1991RC3.9.C...0000d 24
25 HI 21 cm line 0.31 +/- 0.06 Jy km s^-1^ 1.42E+09 1.43E+03 +/- 2.77E+02 Jy-Hz Line Self-absorption corrected line flux 2005ApJS..160..149S 25
26 HI 21 cm line 0.27 ... Jy km s^-1^ 1.42E+09 1.25E+03 ... Jy-Hz Line 2005ApJS..160..149S 26
27 HI 21 cm line 0.30 ... Jy km s^-1^ 1.42E+09 1.38E+03 ... Jy-Hz Line Corrected line flux 2005ApJS..160..149S 27
28 HI (21 cm line) 0.27 ... Jy km s^-1^ 1.42E+09 1.24E+03 ... Jy-Hz Line 1989H&RHI.C...0000H 28


Detailed Information for Each Entry

 No. 1
Reference Code : 1991RC3.9.C...0000d
Freq. targeted : B (m_B)             
Measurement    :  14.31       mag                  = 8.04E-29 W m^-2^ Hz^-1^
Uncertainty    :  0.15        mag                  = 1.19E-29
Significance   : rms uncertainty
Freq or Vel.   : 4400         A            (OBS   )= 6.81E+14 Hz
Frequency mode : Broad-band measurement
Coord. targeted: 231243.8        +250040 (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 : 13.87 mag = 1.21E-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: 231243.8 +250040 (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 : 1968CGCG6.C...0000Z Freq. targeted : m_p Measurement : 14.5 mag = 6.75E-29 W m^-2^ Hz^-1^ Uncertainty : 0.4 mag = 3.01E-29 Significance : rms noise Freq or Vel. : 4400 A (OBS )= 6.81E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 231242.0 +250000. (B1950) Spatial mode : Estimated by eye Notes : From new raw data Qualifiers :
No. 4 Reference Code : 2006AJ....131.1163S Freq. targeted : J (2MASS/FLWO) Measurement : 12.616 mag = 1.43E-28 W m^-2^ Hz^-1^ Uncertainty : 0.006 mag = 7.92E-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. 5 Reference Code : 2006AJ....131.1163S Freq. targeted : J (2MASS/FLWO) Measurement : 12.955 mag = 1.05E-28 W m^-2^ Hz^-1^ Uncertainty : 0.046 mag = 4.44E-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. 6 Reference Code : 20032MASX.C.......: Freq. targeted : J Measurement : 11.178 mag = 5.38E-28 W m^-2^ Hz^-1^ Uncertainty : 0.022 mag = 1.10E-29 Significance : 1 sigma uncert. Freq or Vel. : 1.25 microns (OBS )= 2.40E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 231511.11 +251655.0 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data; Corrected for contaminating sources Qualifiers : 54.6 x 49.1 arcsec integration area.
No. 7 Reference Code : 20032MASX.C.......: Freq. targeted : J Measurement : 11.012 mag = 6.27E-28 W m^-2^ Hz^-1^ Uncertainty : 0.022 mag = 1.28E-29 Significance : 1 sigma uncert. Freq or Vel. : 1.25 microns (OBS )= 2.40E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 231511.11 +251655.0 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers :
No. 8 Reference Code : 20032MASX.C.......: Freq. targeted : J_14arcsec (2MASS) Measurement : 12.131 mag = 2.24E-28 W m^-2^ Hz^-1^ Uncertainty : 0.008 mag = 1.65E-30 Significance : 1 sigma uncert. Freq or Vel. : 1.25 microns (OBS )= 2.40E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 231511.11 +251655.0 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data; Corrected for contaminating sources Qualifiers : 14.0 x 14.0 arcsec aperture.
No. 9 Reference Code : 20032MASX.C.......: Freq. targeted : H Measurement : 10.435 mag = 6.86E-28 W m^-2^ Hz^-1^ Uncertainty : 0.030 mag = 1.92E-29 Significance : 1 sigma uncert. Freq or Vel. : 1.65 microns (OBS )= 1.82E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 231511.11 +251655.0 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data; Corrected for contaminating sources Qualifiers : 54.6 x 49.1 arcsec integration area.
No. 10 Reference Code : 20032MASX.C.......: Freq. targeted : H Measurement : 10.221 mag = 8.35E-28 W m^-2^ Hz^-1^ Uncertainty : 0.027 mag = 2.10E-29 Significance : 1 sigma uncert. Freq or Vel. : 1.65 microns (OBS )= 1.82E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 231511.11 +251655.0 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers :
No. 11 Reference Code : 20032MASX.C.......: Freq. targeted : H_14arcsec (2MASS) Measurement : 11.401 mag = 2.82E-28 W m^-2^ Hz^-1^ Uncertainty : 0.009 mag = 2.35E-30 Significance : 1 sigma uncert. Freq or Vel. : 1.65 microns (OBS )= 1.82E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 231511.11 +251655.0 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data; Corrected for contaminating sources Qualifiers : 14.0 x 14.0 arcsec aperture.
No. 12 Reference Code : 2006AJ....131.1163S Freq. targeted : H (2MASS/FLWO) Measurement : 11.87 mag = 1.83E-28 W m^-2^ Hz^-1^ Uncertainty : 0.011 mag = 1.85E-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. 13 Reference Code : 2006AJ....131.1163S Freq. targeted : H (2MASS/FLWO) Measurement : 12.258 mag = 1.28E-28 W m^-2^ Hz^-1^ Uncertainty : 0.054 mag = 6.36E-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. 14 Reference Code : 2006AJ....131.1163S Freq. targeted : K_s (2MASS/FLWO) Measurement : 11.9 mag = 1.16E-28 W m^-2^ Hz^-1^ Uncertainty : 0.052 mag = 5.55E-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. 15 Reference Code : 2006AJ....131.1163S Freq. targeted : K_s (2MASS/FLWO) Measurement : 11.518 mag = 1.65E-28 W m^-2^ Hz^-1^ Uncertainty : 0.024 mag = 3.64E-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. 16 Reference Code : 20032MASX.C.......: Freq. targeted : K_s Measurement : 9.994 mag = 6.70E-28 W m^-2^ Hz^-1^ Uncertainty : 0.040 mag = 2.52E-29 Significance : 1 sigma uncert. Freq or Vel. : 2.17 microns (OBS )= 1.38E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 231511.11 +251655.0 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers :
No. 17 Reference Code : 20032MASX.C.......: Freq. targeted : K_s Measurement : 10.141 mag = 5.86E-28 W m^-2^ Hz^-1^ Uncertainty : 0.042 mag = 2.31E-29 Significance : 1 sigma uncert. Freq or Vel. : 2.17 microns (OBS )= 1.38E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 231511.11 +251655.0 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data; Corrected for contaminating sources Qualifiers : 54.6 x 49.1 arcsec integration area.
No. 18 Reference Code : 20032MASX.C.......: Freq. targeted : K_s_14arcsec (2MASS) Measurement : 11.059 mag = 2.51E-28 W m^-2^ Hz^-1^ Uncertainty : 0.012 mag = 2.79E-30 Significance : 1 sigma uncert. Freq or Vel. : 2.17 microns (OBS )= 1.38E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 231511.11 +251655.0 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data; Corrected for contaminating sources Qualifiers : 14.0 x 14.0 arcsec aperture.
No. 19 Reference Code : 1988IRASP.C2..0000: Freq. targeted : 12 microns (IRAS) Measurement : <0.250 Jy < 2.50E-27 W m^-2^ Hz^-1^ Uncertainty : Significance : 3 sigma Freq or Vel. : 12 microns (OBS )= 2.50E+13 Hz Frequency mode : Broad-band measurement Coord. targeted: 231244.1 +245918 (B1950) Spatial mode : Integrated from scans Notes : From new raw data Qualifiers :
No. 20 Reference Code : 1988IRASP.C2..0000: Freq. targeted : 25 microns (IRAS) Measurement : <0.276 Jy < 2.76E-27 W m^-2^ Hz^-1^ Uncertainty : Significance : 3 sigma Freq or Vel. : 25 microns (OBS )= 1.20E+13 Hz Frequency mode : Broad-band measurement Coord. targeted: 231244.1 +245918 (B1950) Spatial mode : Integrated from scans Notes : From new raw data Qualifiers :
No. 21 Reference Code : 1988IRASP.C2..0000: Freq. targeted : 60 microns (IRAS) Measurement : <0.400 Jy < 4.00E-27 W m^-2^ Hz^-1^ Uncertainty : Significance : 3 sigma Freq or Vel. : 60 microns (OBS )= 5.00E+12 Hz Frequency mode : Broad-band measurement Coord. targeted: 231244.1 +245918 (B1950) Spatial mode : Integrated from scans Notes : From new raw data Qualifiers :
No. 22 Reference Code : 1988IRASP.C2..0000: Freq. targeted : 100 microns (IRAS) Measurement : 1.726 Jy = 1.73E-26 W m^-2^ Hz^-1^ Uncertainty : 11 % Jy = 1.90E-27 Significance : uncertainty Freq or Vel. : 100 microns (OBS )= 3.00E+12 Hz Frequency mode : Broad-band measurement Coord. targeted: 231244.1 +245918 (B1950) Spatial mode : Integrated from scans Notes : From new raw data Qualifiers : IRAS quality flag = 3
No. 23 Reference Code : 1978ApJS...36...53D Freq. targeted : 2380 MHz Measurement : -4. milliJy = -4.00E-29 W m^-2^ Hz^-1^ Uncertainty : 3. milliJy = 3.00E-29 Significance : rms uncertainty Freq or Vel. : 2380 MHz (OBS )= 2.38E+09 Hz Frequency mode : Broad-band measurement; peak value reported Coord. targeted: Spatial mode : Peak flux Notes : From new raw data Qualifiers :
No. 24 Reference Code : 1991RC3.9.C...0000d Freq. targeted : HI (21 cm line) Measurement : 18.76 m_21 mag = 1.37E-23 W m^-2^ Uncertainty : 0.30 m_21 mag = 4.35E-24 Significance : rms uncertainty Freq or Vel. : 21 cm (REST )= 1.42E+09 Hz Frequency mode : Line measurement; flux integrated over line; lines measured in emission Coord. targeted: 231243.8 +250040 (B1950) Spatial mode : Multiple methods Notes : Homogenized from new and previously published data Qualifiers : m_21 equiv. to S(HI) = 1.368E-23 W m^-2
No. 25 Reference Code : 2005ApJS..160..149S Freq. targeted : HI 21 cm line Measurement : 0.31 Jy km s^-1^ = 1.43E-23 W m^-2^ Uncertainty : 0.06 Jy km s^-1^ = 2.77E-24 Significance : uncertainty Freq or Vel. : 7990 km s^-1^ (REST )= 1.42E+09 Hz Frequency mode : Line measurement; flux integrated over line; lines measured in emission Coord. targeted: 23 15 11.2 +25 16 54 (J2000) Spatial mode : Flux integrated from map Notes : From new raw data Qualifiers : Self-absorption corrected line flux
No. 26 Reference Code : 2005ApJS..160..149S Freq. targeted : HI 21 cm line Measurement : 0.27 Jy km s^-1^ = 1.25E-23 W m^-2^ Uncertainty : Jy km s^-1^ = 0.00E+00 Significance : no uncertainty reported Freq or Vel. : 7990 km s^-1^ (REST )= 1.42E+09 Hz Frequency mode : Line measurement; flux integrated over line; lines measured in emission Coord. targeted: 23 15 11.2 +25 16 54 (J2000) Spatial mode : Flux integrated from map Notes : From new raw data Qualifiers :
No. 27 Reference Code : 2005ApJS..160..149S Freq. targeted : HI 21 cm line Measurement : 0.30 Jy km s^-1^ = 1.38E-23 W m^-2^ Uncertainty : Jy km s^-1^ = 0.00E+00 Significance : no uncertainty reported Freq or Vel. : 7990 km s^-1^ (REST )= 1.42E+09 Hz Frequency mode : Line measurement; flux integrated over line; lines measured in emission Coord. targeted: 23 15 11.2 +25 16 54 (J2000) Spatial mode : Flux integrated from map Notes : From new raw data Qualifiers : Corrected line flux
No. 28 Reference Code : 1989H&RHI.C...0000H Freq. targeted : HI (21 cm line) Measurement : 0.27 Jy km s^-1^ = 1.24E-23 W m^-2^ Uncertainty : Jy km s^-1^ = 0.00E+00 Significance : no uncertainty reported Freq or Vel. : 21 cm (REST )= 1.42E+09 Hz Frequency mode : Line measurement; flux integrated over line; lines measured in emission Coord. targeted: 231243.7 +250040. (B1950) Spatial mode : Not reported in paper Notes : Transformed from previously published data Qualifiers :

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