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Date and Time of the Query: 2019-06-24 T16:54:47 PDT
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Spectral Energy Distribution (SED) for NGC 6955:

24 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) 14.37 +/- 0.25 mag 6.81E+14 7.61E-03 +/- 1.97E-03 Jy Broad-band 1991RC3.9.C...0000d 1
2 m_p 14.9 +/- 0.4 mag 6.81E+14 4.67E-03 +/- 2.08E-03 Jy Broad-band 1965CGCG5.C...0000Z 2
3 J (2MASS/CTIO) 13.444 +/- 0.024 mag 2.43E+14 6.68E-03 +/- 1.48E-04 Jy Broad-band 4" aperture 2006AJ....131.1163S 3
4 J (2MASS/CTIO) 13.914 +/- 0.07 mag 2.43E+14 4.33E-03 +/- 2.79E-04 Jy Broad-band Profile-fit; Poor quality 2006AJ....131.1163S 4
5 J 12.073 +/- 0.037 mag 2.40E+14 2.36E-02 +/- 8.18E-04 Jy Broad-band 47.4 x 28.4 arcsec integration area. 20032MASX.C.......: 5
6 J 11.884 +/- 0.045 mag 2.40E+14 2.81E-02 +/- 1.19E-03 Jy Broad-band 20032MASX.C.......: 6
7 J_14arcsec (2MASS) 12.913 +/- 0.019 mag 2.40E+14 1.09E-02 +/- 1.92E-04 Jy Broad-band 14.0 x 14.0 arcsec aperture. 20032MASX.C.......: 7
8 H 11.056 +/- 0.053 mag 1.82E+14 3.87E-02 +/- 1.94E-03 Jy Broad-band 20032MASX.C.......: 8
9 H 11.318 +/- 0.049 mag 1.82E+14 3.04E-02 +/- 1.40E-03 Jy Broad-band 47.4 x 28.4 arcsec integration area. 20032MASX.C.......: 9
10 H_14arcsec (2MASS) 12.156 +/- 0.022 mag 1.82E+14 1.41E-02 +/- 2.88E-04 Jy Broad-band 14.0 x 14.0 arcsec aperture. 20032MASX.C.......: 10
11 H (2MASS/CTIO) 13.174 +/- 0.078 mag 1.80E+14 5.50E-03 +/- 3.95E-04 Jy Broad-band Profile-fit 2006AJ....131.1163S 11
12 H (2MASS/CTIO) 12.676 +/- 0.027 mag 1.80E+14 8.71E-03 +/- 2.17E-04 Jy Broad-band 4" aperture 2006AJ....131.1163S 12
13 K_s (2MASS/CTIO) 12.932 +/- 0.076 mag 1.39E+14 4.48E-03 +/- 3.14E-04 Jy Broad-band Profile-fit 2006AJ....131.1163S 13
14 K_s (2MASS/CTIO) 12.452 +/- 0.024 mag 1.39E+14 6.97E-03 +/- 1.54E-04 Jy Broad-band 4" aperture 2006AJ....131.1163S 14
15 K_s_14arcsec (2MASS) 11.901 +/- 0.027 mag 1.38E+14 1.16E-02 +/- 2.91E-04 Jy Broad-band 14.0 x 14.0 arcsec aperture. 20032MASX.C.......: 15
16 K_s 11.074 +/- 0.067 mag 1.38E+14 2.48E-02 +/- 1.58E-03 Jy Broad-band 47.4 x 28.4 arcsec integration area. 20032MASX.C.......: 16
17 K_s 10.802 +/- 0.060 mag 1.38E+14 3.19E-02 +/- 1.81E-03 Jy Broad-band 20032MASX.C.......: 17
18 12 microns (IRAS) ... <1.019E-01 Jy 2.50E+13 < 1.02E-01 Jy Broad-band 1990IRASF.C...0000M 18
19 25 microns (IRAS) ... <8.862E-02 Jy 1.20E+13 < 8.86E-02 Jy Broad-band 1990IRASF.C...0000M 19
20 60 microns (IRAS) 3.315E-01 +/- 15 % Jy 5.00E+12 3.31E-01 +/- 4.97E-02 Jy Broad-band IRAS quality flag = 3 1990IRASF.C...0000M 20
21 100 microns (IRAS) 2.110E+00 +/- 21 % Jy 3.00E+12 2.11E+00 +/- 4.43E-01 Jy Broad-band IRAS quality flag = 2 1990IRASF.C...0000M 21
22 HI 21 cm line 9.84 +/- 1.05 Jy km s^-1^ 1.42E+09 4.54E+04 +/- 4.84E+03 Jy-Hz Line Self-absorption corrected line flux 2005ApJS..160..149S 22
23 HI 21 cm line 7.95 ... Jy km s^-1^ 1.42E+09 3.67E+04 ... Jy-Hz Line 2005ApJS..160..149S 23
24 HI 21 cm line 9.84 ... Jy km s^-1^ 1.42E+09 4.54E+04 ... Jy-Hz Line Corrected line flux 2005ApJS..160..149S 24


Detailed Information for Each Entry

 No. 1
Reference Code : 1991RC3.9.C...0000d
Freq. targeted : B (m_B)             
Measurement    :  14.37       mag                  = 7.61E-29 W m^-2^ Hz^-1^
Uncertainty    :  0.25        mag                  = 1.97E-29
Significance   : rms uncertainty
Freq or Vel.   : 4400         A            (OBS   )= 6.81E+14 Hz
Frequency mode : Broad-band measurement
Coord. targeted: 204146.6        +022446 (B1950)
Spatial mode   : Multiple methods
Notes          : Homogenized from new and previously published data; Standard
                 Johnson UBVRI filters assumed
Qualifiers     :                                         

No. 2 Reference Code : 1965CGCG5.C...0000Z Freq. targeted : m_p Measurement : 14.9 mag = 4.67E-29 W m^-2^ Hz^-1^ Uncertainty : 0.4 mag = 2.08E-29 Significance : rms noise Freq or Vel. : 4400 A (OBS )= 6.81E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 204148.0 +022500. (B1950) Spatial mode : Estimated by eye Notes : From new raw data Qualifiers :
No. 3 Reference Code : 2006AJ....131.1163S Freq. targeted : J (2MASS/CTIO) Measurement : 13.444 mag = 6.68E-29 W m^-2^ Hz^-1^ Uncertainty : 0.024 mag = 1.48E-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. 4 Reference Code : 2006AJ....131.1163S Freq. targeted : J (2MASS/CTIO) Measurement : 13.914 mag = 4.33E-29 W m^-2^ Hz^-1^ Uncertainty : 0.07 mag = 2.79E-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. 5 Reference Code : 20032MASX.C.......: Freq. targeted : J Measurement : 12.073 mag = 2.36E-28 W m^-2^ Hz^-1^ Uncertainty : 0.037 mag = 8.18E-30 Significance : 1 sigma uncert. Freq or Vel. : 1.25 microns (OBS )= 2.40E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 204417.98 +023541.5 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : 47.4 x 28.4 arcsec integration area.
No. 6 Reference Code : 20032MASX.C.......: Freq. targeted : J Measurement : 11.884 mag = 2.81E-28 W m^-2^ Hz^-1^ Uncertainty : 0.045 mag = 1.19E-29 Significance : 1 sigma uncert. Freq or Vel. : 1.25 microns (OBS )= 2.40E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 204417.98 +023541.5 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers :
No. 7 Reference Code : 20032MASX.C.......: Freq. targeted : J_14arcsec (2MASS) Measurement : 12.913 mag = 1.09E-28 W m^-2^ Hz^-1^ Uncertainty : 0.019 mag = 1.92E-30 Significance : 1 sigma uncert. Freq or Vel. : 1.25 microns (OBS )= 2.40E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 204417.98 +023541.5 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : 14.0 x 14.0 arcsec aperture.
No. 8 Reference Code : 20032MASX.C.......: Freq. targeted : H Measurement : 11.056 mag = 3.87E-28 W m^-2^ Hz^-1^ Uncertainty : 0.053 mag = 1.94E-29 Significance : 1 sigma uncert. Freq or Vel. : 1.65 microns (OBS )= 1.82E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 204417.98 +023541.5 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers :
No. 9 Reference Code : 20032MASX.C.......: Freq. targeted : H Measurement : 11.318 mag = 3.04E-28 W m^-2^ Hz^-1^ Uncertainty : 0.049 mag = 1.40E-29 Significance : 1 sigma uncert. Freq or Vel. : 1.65 microns (OBS )= 1.82E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 204417.98 +023541.5 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : 47.4 x 28.4 arcsec integration area.
No. 10 Reference Code : 20032MASX.C.......: Freq. targeted : H_14arcsec (2MASS) Measurement : 12.156 mag = 1.41E-28 W m^-2^ Hz^-1^ Uncertainty : 0.022 mag = 2.88E-30 Significance : 1 sigma uncert. Freq or Vel. : 1.65 microns (OBS )= 1.82E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 204417.98 +023541.5 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : 14.0 x 14.0 arcsec aperture.
No. 11 Reference Code : 2006AJ....131.1163S Freq. targeted : H (2MASS/CTIO) Measurement : 13.174 mag = 5.50E-29 W m^-2^ Hz^-1^ Uncertainty : 0.078 mag = 3.95E-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. 12 Reference Code : 2006AJ....131.1163S Freq. targeted : H (2MASS/CTIO) Measurement : 12.676 mag = 8.71E-29 W m^-2^ Hz^-1^ Uncertainty : 0.027 mag = 2.17E-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 : K_s (2MASS/CTIO) Measurement : 12.932 mag = 4.48E-29 W m^-2^ Hz^-1^ Uncertainty : 0.076 mag = 3.14E-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. 14 Reference Code : 2006AJ....131.1163S Freq. targeted : K_s (2MASS/CTIO) Measurement : 12.452 mag = 6.97E-29 W m^-2^ Hz^-1^ Uncertainty : 0.024 mag = 1.54E-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. 15 Reference Code : 20032MASX.C.......: Freq. targeted : K_s_14arcsec (2MASS) Measurement : 11.901 mag = 1.16E-28 W m^-2^ Hz^-1^ Uncertainty : 0.027 mag = 2.91E-30 Significance : 1 sigma uncert. Freq or Vel. : 2.17 microns (OBS )= 1.38E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 204417.98 +023541.5 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : 14.0 x 14.0 arcsec aperture.
No. 16 Reference Code : 20032MASX.C.......: Freq. targeted : K_s Measurement : 11.074 mag = 2.48E-28 W m^-2^ Hz^-1^ Uncertainty : 0.067 mag = 1.58E-29 Significance : 1 sigma uncert. Freq or Vel. : 2.17 microns (OBS )= 1.38E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 204417.98 +023541.5 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : 47.4 x 28.4 arcsec integration area.
No. 17 Reference Code : 20032MASX.C.......: Freq. targeted : K_s Measurement : 10.802 mag = 3.19E-28 W m^-2^ Hz^-1^ Uncertainty : 0.060 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: 204417.98 +023541.5 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers :
No. 18 Reference Code : 1990IRASF.C...0000M Freq. targeted : 12 microns (IRAS) Measurement : <1.019E-01 Jy < 1.02E-27 W m^-2^ Hz^-1^ Uncertainty : Significance : 90% confidence Freq or Vel. : 12 microns (OBS )= 2.50E+13 Hz Frequency mode : Broad-band measurement Coord. targeted: 204147.9 +022455 (B1950) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers :
No. 19 Reference Code : 1990IRASF.C...0000M Freq. targeted : 25 microns (IRAS) Measurement : <8.862E-02 Jy < 8.86E-28 W m^-2^ Hz^-1^ Uncertainty : Significance : 90% confidence Freq or Vel. : 25 microns (OBS )= 1.20E+13 Hz Frequency mode : Broad-band measurement Coord. targeted: 204147.9 +022455 (B1950) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers :
No. 20 Reference Code : 1990IRASF.C...0000M Freq. targeted : 60 microns (IRAS) Measurement : 3.315E-01 Jy = 3.31E-27 W m^-2^ Hz^-1^ Uncertainty : 15 % Jy = 4.97E-28 Significance : uncertainty Freq or Vel. : 60 microns (OBS )= 5.00E+12 Hz Frequency mode : Broad-band measurement Coord. targeted: 204147.9 +022455 (B1950) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : IRAS quality flag = 3
No. 21 Reference Code : 1990IRASF.C...0000M Freq. targeted : 100 microns (IRAS) Measurement : 2.110E+00 Jy = 2.11E-26 W m^-2^ Hz^-1^ Uncertainty : 21 % Jy = 4.43E-27 Significance : uncertainty Freq or Vel. : 100 microns (OBS )= 3.00E+12 Hz Frequency mode : Broad-band measurement Coord. targeted: 204147.9 +022455 (B1950) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : IRAS quality flag = 2
No. 22 Reference Code : 2005ApJS..160..149S Freq. targeted : HI 21 cm line Measurement : 9.84 Jy km s^-1^ = 4.54E-22 W m^-2^ Uncertainty : 1.05 Jy km s^-1^ = 4.84E-23 Significance : uncertainty Freq or Vel. : 8162 km s^-1^ (REST )= 1.42E+09 Hz Frequency mode : Line measurement; flux integrated over line; lines measured in emission Coord. targeted: 20 44 18.0 +02 35 40 (J2000) Spatial mode : Flux integrated from map Notes : From new raw data Qualifiers : Self-absorption corrected line flux
No. 23 Reference Code : 2005ApJS..160..149S Freq. targeted : HI 21 cm line Measurement : 7.95 Jy km s^-1^ = 3.67E-22 W m^-2^ Uncertainty : Jy km s^-1^ = 0.00E+00 Significance : no uncertainty reported Freq or Vel. : 8162 km s^-1^ (REST )= 1.42E+09 Hz Frequency mode : Line measurement; flux integrated over line; lines measured in emission Coord. targeted: 20 44 18.0 +02 35 40 (J2000) Spatial mode : Flux integrated from map Notes : From new raw data Qualifiers :
No. 24 Reference Code : 2005ApJS..160..149S Freq. targeted : HI 21 cm line Measurement : 9.84 Jy km s^-1^ = 4.54E-22 W m^-2^ Uncertainty : Jy km s^-1^ = 0.00E+00 Significance : no uncertainty reported Freq or Vel. : 8162 km s^-1^ (REST )= 1.42E+09 Hz Frequency mode : Line measurement; flux integrated over line; lines measured in emission Coord. targeted: 20 44 18.0 +02 35 40 (J2000) Spatial mode : Flux integrated from map Notes : From new raw data Qualifiers : Corrected line flux

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