NASA/IPAC EXTRAGALACTIC DATABASE
Date and Time of the Query: 2019-02-23 T02:20:14 PST
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Spectral Energy Distribution (SED) for NGC 7444:

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 FUV (GALEX) AB 19.9231 +/- 0.258653 mag 1.95E+15 3.90E-05 +/- 9.28E-06 Jy Broad-band Kron flux in elliptical aperture 2012GASC..C...0000S 1
2 FUV (GALEX) AB 21.3621 +/- 0.459545 mag 1.95E+15 1.04E-05 +/- 4.38E-06 Jy Broad-band Flux in 7.5 arcsec diameter aperture 2012GASC..C...0000S 2
3 NUV (GALEX) AB 18.6307 +/- 0.0823224 mag 1.29E+15 1.28E-04 +/- 9.71E-06 Jy Broad-band Kron flux in elliptical aperture 2012GASC..C...0000S 3
4 NUV (GALEX) AB 20.3076 +/- 0.164548 mag 1.29E+15 2.74E-05 +/- 4.14E-06 Jy Broad-band Flux in 7.5 arcsec diameter aperture 2012GASC..C...0000S 4
5 B (B_T^0) 13.70 ... mag 6.81E+14 1.41E-02 ... Jy Broad-band 1991RC3.9.C...0000d 5
6 B (B_T) 13.85 +/- 0.13 mag 6.81E+14 1.23E-02 +/- 1.56E-03 Jy Broad-band 1991RC3.9.C...0000d 6
7 b_J 14.50 +/- 0.12 mag 6.41E+14 6.26E-03 +/- 7.32E-04 Jy Broad-band 1990MNRAS.243..692M 7
8 V (V_T^0) 12.71 ... mag 5.42E+14 3.00E-02 ... Jy Broad-band 1991RC3.9.C...0000d 8
9 V (V_T) 12.81 +/- 0.13 mag 5.42E+14 2.74E-02 +/- 3.52E-03 Jy Broad-band 1991RC3.9.C...0000d 9
10 J (2MASS/CTIO) 11.924 +/- 0.046 mag 2.43E+14 2.71E-02 +/- 1.15E-03 Jy Broad-band Profile-fit; Poor quality 2006AJ....131.1163S 10
11 J (2MASS/CTIO) 11.729 +/- 0.007 mag 2.43E+14 3.24E-02 +/- 2.09E-04 Jy Broad-band 4" aperture 2006AJ....131.1163S 11
12 J_14arcsec (2MASS) 11.322 +/- 0.004 mag 2.40E+14 4.71E-02 +/- 1.74E-04 Jy Broad-band 14.0 x 14.0 arcsec aperture. 20032MASX.C.......: 12
13 J 10.555 +/- 0.013 mag 2.40E+14 9.55E-02 +/- 1.15E-03 Jy Broad-band 81.0 x 29.2 arcsec integration area. 20032MASX.C.......: 13
14 J 10.472 +/- 0.014 mag 2.40E+14 1.03E-01 +/- 1.34E-03 Jy Broad-band 20032MASX.C.......: 14
15 H 9.840 +/- 0.016 mag 1.82E+14 1.19E-01 +/- 1.76E-03 Jy Broad-band 81.0 x 29.2 arcsec integration area. 20032MASX.C.......: 15
16 H_14arcsec (2MASS) 10.588 +/- 0.004 mag 1.82E+14 5.96E-02 +/- 2.20E-04 Jy Broad-band 14.0 x 14.0 arcsec aperture. 20032MASX.C.......: 16
17 H 9.765 +/- 0.019 mag 1.82E+14 1.27E-01 +/- 2.24E-03 Jy Broad-band 20032MASX.C.......: 17
18 H (2MASS/CTIO) 10.989 +/- 0.009 mag 1.80E+14 4.12E-02 +/- 3.41E-04 Jy Broad-band 4" aperture 2006AJ....131.1163S 18
19 H (2MASS/CTIO) 11.162 +/- 0.048 mag 1.80E+14 3.51E-02 +/- 1.55E-03 Jy Broad-band Profile-fit; Poor quality 2006AJ....131.1163S 19
20 K_s (2MASS/CTIO) 10.709 +/- 0.034 mag 1.39E+14 3.47E-02 +/- 1.09E-03 Jy Broad-band Profile-fit; Poor quality 2006AJ....131.1163S 20
21 K_s (2MASS/CTIO) 10.729 +/- 0.008 mag 1.39E+14 3.41E-02 +/- 2.51E-04 Jy Broad-band 4" aperture 2006AJ....131.1163S 21
22 K_s 9.593 +/- 0.021 mag 1.38E+14 9.70E-02 +/- 1.89E-03 Jy Broad-band 81.0 x 29.2 arcsec integration area. 20032MASX.C.......: 22
23 K_s 9.505 +/- 0.020 mag 1.38E+14 1.05E-01 +/- 1.96E-03 Jy Broad-band 20032MASX.C.......: 23
24 K_s_14arcsec (2MASS) 10.328 +/- 0.006 mag 1.38E+14 4.93E-02 +/- 2.73E-04 Jy Broad-band 14.0 x 14.0 arcsec aperture. 20032MASX.C.......: 24


Detailed Information for Each Entry

 No. 1
Reference Code : 2012GASC..C...0000S
Freq. targeted : FUV (GALEX) AB      
Measurement    :  19.9231     mag                  = 3.90E-31 W m^-2^ Hz^-1^
Uncertainty    :  0.258653    mag                  = 9.28E-32
Significance   : uncertainty
Freq or Vel.   : 1538.6       A            (OBS   )= 1.95E+15 Hz
Frequency mode : Broad-band measurement
Coord. targeted: 345.03726320769 -12.83358486459 (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 : 21.3621 mag = 1.04E-31 W m^-2^ Hz^-1^ Uncertainty : 0.459545 mag = 4.38E-32 Significance : uncertainty Freq or Vel. : 1538.6 A (OBS )= 1.95E+15 Hz Frequency mode : Broad-band measurement Coord. targeted: 345.03726320769 -12.83358486459 (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 : 18.6307 mag = 1.28E-30 W m^-2^ Hz^-1^ Uncertainty : 0.0823224 mag = 9.71E-32 Significance : uncertainty Freq or Vel. : 2315.7 A (OBS )= 1.29E+15 Hz Frequency mode : Broad-band measurement Coord. targeted: 345.03726320769 -12.83358486459 (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 : 20.3076 mag = 2.74E-31 W m^-2^ Hz^-1^ Uncertainty : 0.164548 mag = 4.14E-32 Significance : uncertainty Freq or Vel. : 2315.7 A (OBS )= 1.29E+15 Hz Frequency mode : Broad-band measurement Coord. targeted: 345.03726320769 -12.83358486459 (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 : B (B_T^0) Measurement : 13.70 mag = 1.41E-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: 2257.5 -1306 (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. 6 Reference Code : 1991RC3.9.C...0000d Freq. targeted : B (B_T) Measurement : 13.85 mag = 1.23E-28 W m^-2^ Hz^-1^ Uncertainty : 0.13 mag = 1.56E-29 Significance : rms uncertainty Freq or Vel. : 4400 A (OBS )= 6.81E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 2257.5 -1306 (B1950) Spatial mode : From multi-aperture data Notes : Homogenized from new and previously published data; Standard Johnson UBVRI filters assumed Qualifiers :
No. 7 Reference Code : 1990MNRAS.243..692M Freq. targeted : b_J Measurement : 14.50 mag = 6.26E-29 W m^-2^ Hz^-1^ Uncertainty : 0.12 mag = 7.32E-30 Significance : rms uncertainty Freq or Vel. : 4680 A (OBS )= 6.41E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 225731.17 -130607.2 (B1950) Spatial mode : Flux integrated from map Notes : From new raw data Qualifiers :
No. 8 Reference Code : 1991RC3.9.C...0000d Freq. targeted : V (V_T^0) Measurement : 12.71 mag = 3.00E-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: 2257.5 -1306 (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. 9 Reference Code : 1991RC3.9.C...0000d Freq. targeted : V (V_T) Measurement : 12.81 mag = 2.74E-28 W m^-2^ Hz^-1^ Uncertainty : 0.13 mag = 3.52E-29 Significance : rms uncertainty Freq or Vel. : 5530 A (OBS )= 5.42E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 2257.5 -1306 (B1950) Spatial mode : From multi-aperture data Notes : Homogenized from new and previously published data; Standard Johnson UBVRI filters assumed Qualifiers :
No. 10 Reference Code : 2006AJ....131.1163S Freq. targeted : J (2MASS/CTIO) Measurement : 11.924 mag = 2.71E-28 W m^-2^ Hz^-1^ Uncertainty : 0.046 mag = 1.15E-29 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. 11 Reference Code : 2006AJ....131.1163S Freq. targeted : J (2MASS/CTIO) Measurement : 11.729 mag = 3.24E-28 W m^-2^ Hz^-1^ Uncertainty : 0.007 mag = 2.09E-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. 12 Reference Code : 20032MASX.C.......: Freq. targeted : J_14arcsec (2MASS) Measurement : 11.322 mag = 4.71E-28 W m^-2^ Hz^-1^ Uncertainty : 0.004 mag = 1.74E-30 Significance : 1 sigma uncert. Freq or Vel. : 1.25 microns (OBS )= 2.40E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 230008.97 -125003.4 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : 14.0 x 14.0 arcsec aperture.
No. 13 Reference Code : 20032MASX.C.......: Freq. targeted : J Measurement : 10.555 mag = 9.55E-28 W m^-2^ Hz^-1^ Uncertainty : 0.013 mag = 1.15E-29 Significance : 1 sigma uncert. Freq or Vel. : 1.25 microns (OBS )= 2.40E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 230008.97 -125003.4 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : 81.0 x 29.2 arcsec integration area.
No. 14 Reference Code : 20032MASX.C.......: Freq. targeted : J Measurement : 10.472 mag = 1.03E-27 W m^-2^ Hz^-1^ Uncertainty : 0.014 mag = 1.34E-29 Significance : 1 sigma uncert. Freq or Vel. : 1.25 microns (OBS )= 2.40E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 230008.97 -125003.4 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers :
No. 15 Reference Code : 20032MASX.C.......: Freq. targeted : H Measurement : 9.840 mag = 1.19E-27 W m^-2^ Hz^-1^ Uncertainty : 0.016 mag = 1.76E-29 Significance : 1 sigma uncert. Freq or Vel. : 1.65 microns (OBS )= 1.82E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 230008.97 -125003.4 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : 81.0 x 29.2 arcsec integration area.
No. 16 Reference Code : 20032MASX.C.......: Freq. targeted : H_14arcsec (2MASS) Measurement : 10.588 mag = 5.96E-28 W m^-2^ Hz^-1^ Uncertainty : 0.004 mag = 2.20E-30 Significance : 1 sigma uncert. Freq or Vel. : 1.65 microns (OBS )= 1.82E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 230008.97 -125003.4 (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 : 9.765 mag = 1.27E-27 W m^-2^ Hz^-1^ Uncertainty : 0.019 mag = 2.24E-29 Significance : 1 sigma uncert. Freq or Vel. : 1.65 microns (OBS )= 1.82E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 230008.97 -125003.4 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers :
No. 18 Reference Code : 2006AJ....131.1163S Freq. targeted : H (2MASS/CTIO) Measurement : 10.989 mag = 4.12E-28 W m^-2^ Hz^-1^ Uncertainty : 0.009 mag = 3.41E-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. 19 Reference Code : 2006AJ....131.1163S Freq. targeted : H (2MASS/CTIO) Measurement : 11.162 mag = 3.51E-28 W m^-2^ Hz^-1^ Uncertainty : 0.048 mag = 1.55E-29 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. 20 Reference Code : 2006AJ....131.1163S Freq. targeted : K_s (2MASS/CTIO) Measurement : 10.709 mag = 3.47E-28 W m^-2^ Hz^-1^ Uncertainty : 0.034 mag = 1.09E-29 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. 21 Reference Code : 2006AJ....131.1163S Freq. targeted : K_s (2MASS/CTIO) Measurement : 10.729 mag = 3.41E-28 W m^-2^ Hz^-1^ Uncertainty : 0.008 mag = 2.51E-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. 22 Reference Code : 20032MASX.C.......: Freq. targeted : K_s Measurement : 9.593 mag = 9.70E-28 W m^-2^ Hz^-1^ Uncertainty : 0.021 mag = 1.89E-29 Significance : 1 sigma uncert. Freq or Vel. : 2.17 microns (OBS )= 1.38E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 230008.97 -125003.4 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : 81.0 x 29.2 arcsec integration area.
No. 23 Reference Code : 20032MASX.C.......: Freq. targeted : K_s Measurement : 9.505 mag = 1.05E-27 W m^-2^ Hz^-1^ Uncertainty : 0.020 mag = 1.96E-29 Significance : 1 sigma uncert. Freq or Vel. : 2.17 microns (OBS )= 1.38E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 230008.97 -125003.4 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers :
No. 24 Reference Code : 20032MASX.C.......: Freq. targeted : K_s_14arcsec (2MASS) Measurement : 10.328 mag = 4.93E-28 W m^-2^ Hz^-1^ Uncertainty : 0.006 mag = 2.73E-30 Significance : 1 sigma uncert. Freq or Vel. : 2.17 microns (OBS )= 1.38E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 230008.97 -125003.4 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : 14.0 x 14.0 arcsec aperture.

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