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Date and Time of the Query: 2019-02-21 T04:37:06 PST
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Spectral Energy Distribution (SED) for NGC 3649:

21 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 NUV (GALEX) AB 17.35 +/- 0.03 mag 1.32E+15 4.17E-04 +/- 1.15E-05 Jy Broad-band 2007ApJS..173..185G 1
2 B (m_B) 14.57 +/- 0.18 mag 6.81E+14 6.33E-03 +/- 1.14E-03 Jy Broad-band 1991RC3.9.C...0000d 2
3 B (m_B^0) 14.17 ... mag 6.81E+14 9.15E-03 ... Jy Broad-band 1991RC3.9.C...0000d 3
4 m_p 14.7 +/- 0.4 mag 6.81E+14 5.62E-03 +/- 2.50E-03 Jy Broad-band 1963CGCG2.C...0000Z 4
5 J (2MASS/FLWO) 12.443 +/- 0.007 mag 2.43E+14 1.68E-02 +/- 1.08E-04 Jy Broad-band 4" aperture 2006AJ....131.1163S 5
6 J (2MASS/FLWO) 12.79 +/- 0.047 mag 2.43E+14 1.22E-02 +/- 5.28E-04 Jy Broad-band Profile-fit; Poor quality 2006AJ....131.1163S 6
7 J 11.545 +/- 0.018 mag 2.40E+14 3.84E-02 +/- 6.41E-04 Jy Broad-band 40.2 x 28.9 arcsec integration area. 20032MASX.C.......: 7
8 J 11.436 +/- 0.024 mag 2.40E+14 4.24E-02 +/- 9.48E-04 Jy Broad-band 20032MASX.C.......: 8
9 J_14arcsec (2MASS) 12.001 +/- 0.007 mag 2.40E+14 2.52E-02 +/- 1.63E-04 Jy Broad-band 14.0 x 14.0 arcsec aperture. 20032MASX.C.......: 9
10 H 10.799 +/- 0.026 mag 1.82E+14 4.91E-02 +/- 1.19E-03 Jy Broad-band 20032MASX.C.......: 10
11 H_14arcsec (2MASS) 11.274 +/- 0.008 mag 1.82E+14 3.17E-02 +/- 2.34E-04 Jy Broad-band 14.0 x 14.0 arcsec aperture. 20032MASX.C.......: 11
12 H 10.849 +/- 0.027 mag 1.82E+14 4.68E-02 +/- 1.18E-03 Jy Broad-band 40.2 x 28.9 arcsec integration area. 20032MASX.C.......: 12
13 H (2MASS/FLWO) 11.682 +/- 0.009 mag 1.80E+14 2.18E-02 +/- 1.80E-04 Jy Broad-band 4" aperture 2006AJ....131.1163S 13
14 H (2MASS/FLWO) 11.994 +/- 0.045 mag 1.80E+14 1.63E-02 +/- 6.76E-04 Jy Broad-band Profile-fit; Poor quality 2006AJ....131.1163S 14
15 K_s (2MASS/FLWO) 11.342 +/- 0.007 mag 1.39E+14 1.94E-02 +/- 1.25E-04 Jy Broad-band 4" aperture 2006AJ....131.1163S 15
16 K_s (2MASS/FLWO) 11.681 +/- 0.04 mag 1.39E+14 1.42E-02 +/- 5.22E-04 Jy Broad-band Profile-fit; Poor quality 2006AJ....131.1163S 16
17 K_s 10.526 +/- 0.032 mag 1.38E+14 4.11E-02 +/- 1.23E-03 Jy Broad-band 40.2 x 28.9 arcsec integration area. 20032MASX.C.......: 17
18 K_s_14arcsec (2MASS) 10.943 +/- 0.009 mag 1.38E+14 2.80E-02 +/- 2.33E-04 Jy Broad-band 14.0 x 14.0 arcsec aperture. 20032MASX.C.......: 18
19 K_s 10.403 +/- 0.029 mag 1.38E+14 4.60E-02 +/- 1.25E-03 Jy Broad-band 20032MASX.C.......: 19
20 HI (21 cm line) 15.47 +/- 0.30 m_21 mag 1.42E+09 2.83E+04 +/- 9.01E+03 Jy-Hz Line m_21 equiv. to S(HI) = 2.831E-22 W m^-2 1991RC3.9.C...0000d 20
21 1.4 GHz (VLA) 3.9 ... milliJy 1.40E+09 3.90E-03 ... Jy Broad-band 2002AJ....124..675C 21


Detailed Information for Each Entry

 No. 1
Reference Code : 2007ApJS..173..185G
Freq. targeted : NUV (GALEX) AB      
Measurement    :  17.35        mag                 = 4.17E-30 W m^-2^ Hz^-1^
Uncertainty    :  0.03         mag                 = 1.15E-31
Significance   : uncertainty
Freq or Vel.   :       2267   A            (OBS   )= 1.32E+15 Hz
Frequency mode : Broad-band measurement
Coord. targeted: 11 22 14.7      +20 12 30.7 (J2000)
Spatial mode   : Total flux
Notes          : From new raw data
Qualifiers     :                                         

No. 2 Reference Code : 1991RC3.9.C...0000d Freq. targeted : B (m_B) Measurement : 14.57 mag = 6.33E-29 W m^-2^ Hz^-1^ Uncertainty : 0.18 mag = 1.14E-29 Significance : rms uncertainty Freq or Vel. : 4400 A (OBS )= 6.81E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 111936.8 +202901 (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 (m_B^0) Measurement : 14.17 mag = 9.15E-29 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: 111936.8 +202901 (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 : 1963CGCG2.C...0000Z Freq. targeted : m_p Measurement : 14.7 mag = 5.62E-29 W m^-2^ Hz^-1^ Uncertainty : 0.4 mag = 2.50E-29 Significance : rms noise Freq or Vel. : 4400 A (OBS )= 6.81E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 111936.0 +202800. (B1950) Spatial mode : Estimated by eye Notes : From new raw data Qualifiers :
No. 5 Reference Code : 2006AJ....131.1163S Freq. targeted : J (2MASS/FLWO) Measurement : 12.443 mag = 1.68E-28 W m^-2^ Hz^-1^ Uncertainty : 0.007 mag = 1.08E-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. 6 Reference Code : 2006AJ....131.1163S Freq. targeted : J (2MASS/FLWO) Measurement : 12.79 mag = 1.22E-28 W m^-2^ Hz^-1^ Uncertainty : 0.047 mag = 5.28E-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. 7 Reference Code : 20032MASX.C.......: Freq. targeted : J Measurement : 11.545 mag = 3.84E-28 W m^-2^ Hz^-1^ Uncertainty : 0.018 mag = 6.41E-30 Significance : 1 sigma uncert. Freq or Vel. : 1.25 microns (OBS )= 2.40E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 112214.74 +201230.7 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data; Corrected for contaminating sources Qualifiers : 40.2 x 28.9 arcsec integration area.
No. 8 Reference Code : 20032MASX.C.......: Freq. targeted : J Measurement : 11.436 mag = 4.24E-28 W m^-2^ Hz^-1^ Uncertainty : 0.024 mag = 9.48E-30 Significance : 1 sigma uncert. Freq or Vel. : 1.25 microns (OBS )= 2.40E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 112214.74 +201230.7 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers :
No. 9 Reference Code : 20032MASX.C.......: Freq. targeted : J_14arcsec (2MASS) Measurement : 12.001 mag = 2.52E-28 W m^-2^ Hz^-1^ Uncertainty : 0.007 mag = 1.63E-30 Significance : 1 sigma uncert. Freq or Vel. : 1.25 microns (OBS )= 2.40E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 112214.74 +201230.7 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : 14.0 x 14.0 arcsec aperture.
No. 10 Reference Code : 20032MASX.C.......: Freq. targeted : H Measurement : 10.799 mag = 4.91E-28 W m^-2^ Hz^-1^ Uncertainty : 0.026 mag = 1.19E-29 Significance : 1 sigma uncert. Freq or Vel. : 1.65 microns (OBS )= 1.82E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 112214.74 +201230.7 (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 : 11.274 mag = 3.17E-28 W m^-2^ Hz^-1^ Uncertainty : 0.008 mag = 2.34E-30 Significance : 1 sigma uncert. Freq or Vel. : 1.65 microns (OBS )= 1.82E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 112214.74 +201230.7 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : 14.0 x 14.0 arcsec aperture.
No. 12 Reference Code : 20032MASX.C.......: Freq. targeted : H Measurement : 10.849 mag = 4.68E-28 W m^-2^ Hz^-1^ Uncertainty : 0.027 mag = 1.18E-29 Significance : 1 sigma uncert. Freq or Vel. : 1.65 microns (OBS )= 1.82E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 112214.74 +201230.7 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data; Corrected for contaminating sources Qualifiers : 40.2 x 28.9 arcsec integration area.
No. 13 Reference Code : 2006AJ....131.1163S Freq. targeted : H (2MASS/FLWO) Measurement : 11.682 mag = 2.18E-28 W m^-2^ Hz^-1^ Uncertainty : 0.009 mag = 1.80E-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. 14 Reference Code : 2006AJ....131.1163S Freq. targeted : H (2MASS/FLWO) Measurement : 11.994 mag = 1.63E-28 W m^-2^ Hz^-1^ Uncertainty : 0.045 mag = 6.76E-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. 15 Reference Code : 2006AJ....131.1163S Freq. targeted : K_s (2MASS/FLWO) Measurement : 11.342 mag = 1.94E-28 W m^-2^ Hz^-1^ Uncertainty : 0.007 mag = 1.25E-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 : 2006AJ....131.1163S Freq. targeted : K_s (2MASS/FLWO) Measurement : 11.681 mag = 1.42E-28 W m^-2^ Hz^-1^ Uncertainty : 0.04 mag = 5.22E-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. 17 Reference Code : 20032MASX.C.......: Freq. targeted : K_s Measurement : 10.526 mag = 4.11E-28 W m^-2^ Hz^-1^ Uncertainty : 0.032 mag = 1.23E-29 Significance : 1 sigma uncert. Freq or Vel. : 2.17 microns (OBS )= 1.38E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 112214.74 +201230.7 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data; Corrected for contaminating sources Qualifiers : 40.2 x 28.9 arcsec integration area.
No. 18 Reference Code : 20032MASX.C.......: Freq. targeted : K_s_14arcsec (2MASS) Measurement : 10.943 mag = 2.80E-28 W m^-2^ Hz^-1^ Uncertainty : 0.009 mag = 2.33E-30 Significance : 1 sigma uncert. Freq or Vel. : 2.17 microns (OBS )= 1.38E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 112214.74 +201230.7 (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 : K_s Measurement : 10.403 mag = 4.60E-28 W m^-2^ Hz^-1^ Uncertainty : 0.029 mag = 1.25E-29 Significance : 1 sigma uncert. Freq or Vel. : 2.17 microns (OBS )= 1.38E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 112214.74 +201230.7 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers :
No. 20 Reference Code : 1991RC3.9.C...0000d Freq. targeted : HI (21 cm line) Measurement : 15.47 m_21 mag = 2.83E-22 W m^-2^ Uncertainty : 0.30 m_21 mag = 9.01E-23 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: 111936.8 +202901 (B1950) Spatial mode : Multiple methods Notes : Homogenized from new and previously published data Qualifiers : m_21 equiv. to S(HI) = 2.831E-22 W m^-2
No. 21 Reference Code : 2002AJ....124..675C Freq. targeted : 1.4 GHz (VLA) Measurement : 3.9 milliJy = 3.90E-29 W m^-2^ Hz^-1^ Uncertainty : milliJy = 0.00E+00 Significance : no uncertainty reported Freq or Vel. : 1.4 GHz (OBS )= 1.40E+09 Hz Frequency mode : Broad-band measurement Coord. targeted: Spatial mode : Flux integrated from map Notes : Averaged from previously published data Qualifiers :

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