NASA/IPAC EXTRAGALACTIC DATABASE
Date and Time of the Query: 2019-03-19 T18:03:59 PDT
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Spectral Energy Distribution (SED) for NGC 6930:

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 FUV (GALEX) AB 18.7469 +/- 0.125813 mag 1.95E+15 1.15E-04 +/- 1.33E-05 Jy Broad-band Kron flux in elliptical aperture 2012GASC..C...0000S 1
2 FUV (GALEX) AB 22.1014 +/- 0.536416 mag 1.95E+15 5.24E-06 +/- 2.59E-06 Jy Broad-band Flux in 7.5 arcsec diameter aperture 2012GASC..C...0000S 2
3 NUV (GALEX) AB 18.0155 +/- 0.0552348 mag 1.29E+15 2.26E-04 +/- 1.15E-05 Jy Broad-band Kron flux in elliptical aperture 2012GASC..C...0000S 3
4 NUV (GALEX) AB 21.2634 +/- 0.217229 mag 1.29E+15 1.13E-05 +/- 2.27E-06 Jy Broad-band Flux in 7.5 arcsec diameter aperture 2012GASC..C...0000S 4
5 U (U_T) 13.80 +/- 0.17 mag 8.19E+14 5.47E-03 +/- 9.54E-04 Jy Broad-band 1991RC3.9.C...0000d 5
6 B (B_T^0) 12.95 ... mag 6.81E+14 2.81E-02 ... Jy Broad-band 1991RC3.9.C...0000d 6
7 m_p 14.3 +/- 0.4 mag 6.81E+14 8.12E-03 +/- 3.62E-03 Jy Broad-band 1965CGCG5.C...0000Z 7
8 B (Johnson) 14.96 +/- 0.11 mag 6.81E+14 4.42E-03 +/- 4.71E-04 Jy Broad-band 25.5" aperture. 1995AJ....110.1083T 8
9 B (m_B) 14.23 +/- 0.19 mag 6.81E+14 8.66E-03 +/- 1.66E-03 Jy Broad-band 1991RC3.9.C...0000d 9
10 B (B_T) 13.62 +/- 0.16 mag 6.81E+14 1.52E-02 +/- 2.41E-03 Jy Broad-band 1991RC3.9.C...0000d 10
11 V (V_T^0) 12.37 ... mag 5.42E+14 4.10E-02 ... Jy Broad-band 1991RC3.9.C...0000d 11
12 V (Johnson) 14.01 +/- 0.11 mag 5.42E+14 9.06E-03 +/- 9.66E-04 Jy Broad-band 25.5" aperture. 1995AJ....110.1083T 12
13 V (V_T) 12.76 +/- 0.16 mag 5.42E+14 2.87E-02 +/- 4.70E-03 Jy Broad-band 1991RC3.9.C...0000d 13
14 J (2MASS/CTIO) 13.524 +/- 0.098 mag 2.43E+14 6.21E-03 +/- 5.60E-04 Jy Broad-band Profile-fit; Poor quality 2006AJ....131.1163S 14
15 J (2MASS/CTIO) 12.764 +/- 0.015 mag 2.43E+14 1.25E-02 +/- 1.73E-04 Jy Broad-band 4" aperture 2006AJ....131.1163S 15
16 H (2MASS/CTIO) 12.685 +/- 0.096 mag 1.80E+14 8.64E-03 +/- 7.64E-04 Jy Broad-band Profile-fit; Poor quality 2006AJ....131.1163S 16
17 H (2MASS/CTIO) 11.933 +/- 0.007 mag 1.80E+14 1.73E-02 +/- 1.11E-04 Jy Broad-band 4" aperture 2006AJ....131.1163S 17
18 K_s (2MASS/CTIO) 12.151 +/- 0.079 mag 1.39E+14 9.20E-03 +/- 6.69E-04 Jy Broad-band Profile-fit; Poor quality 2006AJ....131.1163S 18
19 K_s (2MASS/CTIO) 11.605 +/- 0.02 mag 1.39E+14 1.52E-02 +/- 2.80E-04 Jy Broad-band 4" aperture 2006AJ....131.1163S 19
20 12 microns (IRAS) ... <0.348 Jy 2.50E+13 < 3.48E-01 Jy Broad-band 1988IRASP.C2..0000: 20
21 25 microns (IRAS) ... <0.250 Jy 1.20E+13 < 2.50E-01 Jy Broad-band 1988IRASP.C2..0000: 21
22 60 microns (IRAS) 0.981 +/- 10 % Jy 5.00E+12 9.81E-01 +/- 9.81E-02 Jy Broad-band IRAS quality flag = 3 1988IRASP.C2..0000: 22
23 100 microns (IRAS) ... <1.536 Jy 3.00E+12 < 1.54E+00 Jy Broad-band 1988IRASP.C2..0000: 23
24 2380 MHz 17. +/- 3. milliJy 2.38E+09 1.70E-02 +/- 3.00E-03 Jy Broad-band 1978ApJS...36...53D 24
25 HI (21 cm line) 14.60 +/- 0.30 m_21 mag 1.42E+09 6.31E+04 +/- 2.01E+04 Jy-Hz Line m_21 equiv. to S(HI) = 6.310E-22 W m^-2 1991RC3.9.C...0000d 25
26 HI 21 cm line 4.24 +/- 0.47 Jy km s^-1^ 1.42E+09 1.98E+04 +/- 2.19E+03 Jy-Hz Line Self-absorption corrected line flux 2005ApJS..160..149S 26
27 HI 21 cm line 3.36 ... Jy km s^-1^ 1.42E+09 1.57E+04 ... Jy-Hz Line 2005ApJS..160..149S 27
28 HI 21 cm line 3.78 ... Jy km s^-1^ 1.42E+09 1.76E+04 ... Jy-Hz Line Corrected line flux 2005ApJS..160..149S 28


Detailed Information for Each Entry

 No. 1
Reference Code : 2012GASC..C...0000S
Freq. targeted : FUV (GALEX) AB      
Measurement    :  18.7469     mag                  = 1.15E-30 W m^-2^ Hz^-1^
Uncertainty    :  0.125813    mag                  = 1.33E-31
Significance   : uncertainty
Freq or Vel.   : 1538.6       A            (OBS   )= 1.95E+15 Hz
Frequency mode : Broad-band measurement
Coord. targeted: 308.24525122536 9.8734839872527 (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 : 22.1014 mag = 5.24E-32 W m^-2^ Hz^-1^ Uncertainty : 0.536416 mag = 2.59E-32 Significance : uncertainty Freq or Vel. : 1538.6 A (OBS )= 1.95E+15 Hz Frequency mode : Broad-band measurement Coord. targeted: 308.24525122536 9.8734839872527 (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 : 18.0155 mag = 2.26E-30 W m^-2^ Hz^-1^ Uncertainty : 0.0552348 mag = 1.15E-31 Significance : uncertainty Freq or Vel. : 2315.7 A (OBS )= 1.29E+15 Hz Frequency mode : Broad-band measurement Coord. targeted: 308.24525122536 9.8734839872527 (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 : 21.2634 mag = 1.13E-31 W m^-2^ Hz^-1^ Uncertainty : 0.217229 mag = 2.27E-32 Significance : uncertainty Freq or Vel. : 2315.7 A (OBS )= 1.29E+15 Hz Frequency mode : Broad-band measurement Coord. targeted: 308.24525122536 9.8734839872527 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : Flux in 7.5 arcsec diameter aperture
No. 5 Reference Code : 1991RC3.9.C...0000d Freq. targeted : U (U_T) Measurement : 13.80 mag = 5.47E-29 W m^-2^ Hz^-1^ Uncertainty : 0.17 mag = 9.54E-30 Significance : rms uncertainty Freq or Vel. : 3660 A (OBS )= 8.19E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 203034.3 +094214 (B1950) Spatial mode : From multi-aperture data Notes : Homogenized from new and previously published data; Standard Johnson UBVRI filters assumed Qualifiers :
No. 6 Reference Code : 1991RC3.9.C...0000d Freq. targeted : B (B_T^0) Measurement : 12.95 mag = 2.81E-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: 203034.3 +094214 (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. 7 Reference Code : 1965CGCG5.C...0000Z Freq. targeted : m_p Measurement : 14.3 mag = 8.12E-29 W m^-2^ Hz^-1^ Uncertainty : 0.4 mag = 3.62E-29 Significance : rms noise Freq or Vel. : 4400 A (OBS )= 6.81E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 203036.0 +094100. (B1950) Spatial mode : Estimated by eye Notes : From new raw data Qualifiers :
No. 8 Reference Code : 1995AJ....110.1083T Freq. targeted : B (Johnson) Measurement : 14.96 mag = 4.42E-29 W m^-2^ Hz^-1^ Uncertainty : 0.11 mag = 4.71E-30 Significance : internal error Freq or Vel. : 4400 A (OBS )= 6.81E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 203036.0 +094100. (B1950) Spatial mode : Flux in fixed aperture Notes : From reprocessed raw data Qualifiers : 25.5" aperture.
No. 9 Reference Code : 1991RC3.9.C...0000d Freq. targeted : B (m_B) Measurement : 14.23 mag = 8.66E-29 W m^-2^ Hz^-1^ Uncertainty : 0.19 mag = 1.66E-29 Significance : rms uncertainty Freq or Vel. : 4400 A (OBS )= 6.81E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 203034.3 +094214 (B1950) Spatial mode : Multiple methods Notes : Homogenized from new and previously published data; Standard Johnson UBVRI filters assumed Qualifiers :
No. 10 Reference Code : 1991RC3.9.C...0000d Freq. targeted : B (B_T) Measurement : 13.62 mag = 1.52E-28 W m^-2^ Hz^-1^ Uncertainty : 0.16 mag = 2.41E-29 Significance : rms uncertainty Freq or Vel. : 4400 A (OBS )= 6.81E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 203034.3 +094214 (B1950) Spatial mode : From multi-aperture data Notes : Homogenized from new and previously published data; Standard Johnson UBVRI filters assumed Qualifiers :
No. 11 Reference Code : 1991RC3.9.C...0000d Freq. targeted : V (V_T^0) Measurement : 12.37 mag = 4.10E-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: 203034.3 +094214 (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. 12 Reference Code : 1995AJ....110.1083T Freq. targeted : V (Johnson) Measurement : 14.01 mag = 9.06E-29 W m^-2^ Hz^-1^ Uncertainty : 0.11 mag = 9.66E-30 Significance : internal error Freq or Vel. : 5530 A (OBS )= 5.42E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 203036.0 +094100. (B1950) Spatial mode : From multi-aperture data Notes : From reprocessed raw data Qualifiers : 25.5" aperture.
No. 13 Reference Code : 1991RC3.9.C...0000d Freq. targeted : V (V_T) Measurement : 12.76 mag = 2.87E-28 W m^-2^ Hz^-1^ Uncertainty : 0.16 mag = 4.70E-29 Significance : rms uncertainty Freq or Vel. : 5530 A (OBS )= 5.42E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 203034.3 +094214 (B1950) Spatial mode : From multi-aperture data Notes : Homogenized from new and previously published data; Standard Johnson UBVRI filters assumed Qualifiers :
No. 14 Reference Code : 2006AJ....131.1163S Freq. targeted : J (2MASS/CTIO) Measurement : 13.524 mag = 6.21E-29 W m^-2^ Hz^-1^ Uncertainty : 0.098 mag = 5.60E-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. 15 Reference Code : 2006AJ....131.1163S Freq. targeted : J (2MASS/CTIO) Measurement : 12.764 mag = 1.25E-28 W m^-2^ Hz^-1^ Uncertainty : 0.015 mag = 1.73E-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 : 4" aperture
No. 16 Reference Code : 2006AJ....131.1163S Freq. targeted : H (2MASS/CTIO) Measurement : 12.685 mag = 8.64E-29 W m^-2^ Hz^-1^ Uncertainty : 0.096 mag = 7.64E-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. 17 Reference Code : 2006AJ....131.1163S Freq. targeted : H (2MASS/CTIO) Measurement : 11.933 mag = 1.73E-28 W m^-2^ Hz^-1^ Uncertainty : 0.007 mag = 1.11E-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. 18 Reference Code : 2006AJ....131.1163S Freq. targeted : K_s (2MASS/CTIO) Measurement : 12.151 mag = 9.20E-29 W m^-2^ Hz^-1^ Uncertainty : 0.079 mag = 6.69E-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. 19 Reference Code : 2006AJ....131.1163S Freq. targeted : K_s (2MASS/CTIO) Measurement : 11.605 mag = 1.52E-28 W m^-2^ Hz^-1^ Uncertainty : 0.02 mag = 2.80E-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 : 4" aperture
No. 20 Reference Code : 1988IRASP.C2..0000: Freq. targeted : 12 microns (IRAS) Measurement : <0.348 Jy < 3.48E-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: 203035.0 +094223 (B1950) Spatial mode : Integrated from scans Notes : From new raw data Qualifiers :
No. 21 Reference Code : 1988IRASP.C2..0000: Freq. targeted : 25 microns (IRAS) Measurement : <0.250 Jy < 2.50E-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: 203035.0 +094223 (B1950) Spatial mode : Integrated from scans Notes : From new raw data Qualifiers :
No. 22 Reference Code : 1988IRASP.C2..0000: Freq. targeted : 60 microns (IRAS) Measurement : 0.981 Jy = 9.81E-27 W m^-2^ Hz^-1^ Uncertainty : 10 % Jy = 9.81E-28 Significance : uncertainty Freq or Vel. : 60 microns (OBS )= 5.00E+12 Hz Frequency mode : Broad-band measurement Coord. targeted: 203035.0 +094223 (B1950) Spatial mode : Integrated from scans Notes : From new raw data Qualifiers : IRAS quality flag = 3
No. 23 Reference Code : 1988IRASP.C2..0000: Freq. targeted : 100 microns (IRAS) Measurement : <1.536 Jy < 1.54E-26 W m^-2^ Hz^-1^ Uncertainty : Significance : 3 sigma Freq or Vel. : 100 microns (OBS )= 3.00E+12 Hz Frequency mode : Broad-band measurement Coord. targeted: 203035.0 +094223 (B1950) Spatial mode : Integrated from scans Notes : From new raw data Qualifiers :
No. 24 Reference Code : 1978ApJS...36...53D Freq. targeted : 2380 MHz Measurement : 17. milliJy = 1.70E-28 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. 25 Reference Code : 1991RC3.9.C...0000d Freq. targeted : HI (21 cm line) Measurement : 14.60 m_21 mag = 6.31E-22 W m^-2^ Uncertainty : 0.30 m_21 mag = 2.01E-22 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: 203034.3 +094214 (B1950) Spatial mode : Multiple methods Notes : Homogenized from new and previously published data Qualifiers : m_21 equiv. to S(HI) = 6.310E-22 W m^-2
No. 26 Reference Code : 2005ApJS..160..149S Freq. targeted : HI 21 cm line Measurement : 4.24 Jy km s^-1^ = 1.98E-22 W m^-2^ Uncertainty : 0.47 Jy km s^-1^ = 2.19E-23 Significance : uncertainty Freq or Vel. : 4554 km s^-1^ (REST )= 1.42E+09 Hz Frequency mode : Line measurement; flux integrated over line; lines measured in emission Coord. targeted: 20 32 58.7 +09 52 28 (J2000) Spatial mode : Flux integrated from map Notes : From new raw data Qualifiers : Self-absorption corrected line flux
No. 27 Reference Code : 2005ApJS..160..149S Freq. targeted : HI 21 cm line Measurement : 3.36 Jy km s^-1^ = 1.57E-22 W m^-2^ Uncertainty : Jy km s^-1^ = 0.00E+00 Significance : no uncertainty reported Freq or Vel. : 4554 km s^-1^ (REST )= 1.42E+09 Hz Frequency mode : Line measurement; flux integrated over line; lines measured in emission Coord. targeted: 20 32 58.7 +09 52 28 (J2000) Spatial mode : Flux integrated from map Notes : From new raw data Qualifiers :
No. 28 Reference Code : 2005ApJS..160..149S Freq. targeted : HI 21 cm line Measurement : 3.78 Jy km s^-1^ = 1.76E-22 W m^-2^ Uncertainty : Jy km s^-1^ = 0.00E+00 Significance : no uncertainty reported Freq or Vel. : 4554 km s^-1^ (REST )= 1.42E+09 Hz Frequency mode : Line measurement; flux integrated over line; lines measured in emission Coord. targeted: 20 32 58.7 +09 52 28 (J2000) Spatial mode : Flux integrated from map Notes : From new raw data Qualifiers : Corrected line flux

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