NASA/IPAC EXTRAGALACTIC DATABASE
Date and Time of the Query: 2019-05-19 T05:54:59 PDT
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Spectral Energy Distribution (SED) for NGC 0451:

30 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 17.5893 +/- 0.0472607 mag 1.95E+15 3.34E-04 +/- 1.46E-05 Jy Broad-band Kron flux in elliptical aperture 2012GASC..C...0000S 1
2 FUV (GALEX) AB 19.7880 +/- 0.150624 mag 1.95E+15 4.41E-05 +/- 6.12E-06 Jy Broad-band Flux in 7.5 arcsec diameter aperture 2012GASC..C...0000S 2
3 NUV (GALEX) AB 17.0462 +/- 0.0207076 mag 1.29E+15 5.52E-04 +/- 1.05E-05 Jy Broad-band Kron flux in elliptical aperture 2012GASC..C...0000S 3
4 NUV (GALEX) AB 19.3701 +/- 0.0697694 mag 1.29E+15 6.49E-05 +/- 4.17E-06 Jy Broad-band Flux in 7.5 arcsec diameter aperture 2012GASC..C...0000S 4
5 m_p 14.8 +/- 0.4 mag 6.81E+14 5.12E-03 +/- 2.28E-03 Jy Broad-band 1968CGCG6.C...0000Z 5
6 B (m_B^0) 14.42 ... mag 6.81E+14 7.27E-03 ... Jy Broad-band 1991RC3.9.C...0000d 6
7 B (m_B) 14.89 +/- 0.20 mag 6.81E+14 4.71E-03 +/- 9.54E-04 Jy Broad-band 1991RC3.9.C...0000d 7
8 J_pg 15.8 +/- 0.3 mag 6.41E+14 1.89E-03 +/- 5.22E-04 Jy Broad-band Isophotal mag 2007ApJS..170...33P 8
9 F_pg 14.4 +/- 0.3 mag 4.68E+14 5.35E-03 +/- 1.48E-03 Jy Broad-band Isophotal mag 2007ApJS..170...33P 9
10 J (2MASS/FLWO) 14.121 +/- 0.043 mag 2.43E+14 3.58E-03 +/- 1.42E-04 Jy Broad-band 4" aperture 2006AJ....131.1163S 10
11 J (2MASS/FLWO) 15.023 +/- 0.12 mag 2.43E+14 1.56E-03 +/- 1.72E-04 Jy Broad-band Profile-fit 2006AJ....131.1163S 11
12 J_14arcsec (2MASS) 13.315 +/- 0.028 mag 2.40E+14 7.52E-03 +/- 1.96E-04 Jy Broad-band 14.0 x 14.0 arcsec aperture. 20032MASX.C.......: 12
13 J 12.513 +/- 0.043 mag 2.40E+14 1.57E-02 +/- 6.36E-04 Jy Broad-band 33.2 x 26.6 arcsec integration area. 20032MASX.C.......: 13
14 J 12.298 +/- 0.046 mag 2.40E+14 1.92E-02 +/- 8.30E-04 Jy Broad-band 20032MASX.C.......: 14
15 H_14arcsec (2MASS) 12.655 +/- 0.036 mag 1.82E+14 8.88E-03 +/- 2.99E-04 Jy Broad-band 14.0 x 14.0 arcsec aperture. 20032MASX.C.......: 15
16 H 11.921 +/- 0.063 mag 1.82E+14 1.75E-02 +/- 1.04E-03 Jy Broad-band 33.2 x 26.6 arcsec integration area. 20032MASX.C.......: 16
17 H 11.704 +/- 0.064 mag 1.82E+14 2.13E-02 +/- 1.29E-03 Jy Broad-band 20032MASX.C.......: 17
18 H (2MASS/FLWO) 14.407 +/- 0.185 mag 1.80E+14 1.77E-03 +/- 3.01E-04 Jy Broad-band Profile-fit 2006AJ....131.1163S 18
19 H (2MASS/FLWO) 13.43 +/- 0.024 mag 1.80E+14 4.35E-03 +/- 9.61E-05 Jy Broad-band 4" aperture 2006AJ....131.1163S 19
20 K_s (2MASS/FLWO) 13.107 +/- 0.048 mag 1.39E+14 3.81E-03 +/- 1.69E-04 Jy Broad-band 4" aperture 2006AJ....131.1163S 20
21 K_s (2MASS/FLWO) 14.006 +/- 0.125 mag 1.39E+14 1.67E-03 +/- 1.92E-04 Jy Broad-band Profile-fit 2006AJ....131.1163S 21
22 K_s 11.564 +/- 0.081 mag 1.38E+14 1.58E-02 +/- 1.22E-03 Jy Broad-band 33.2 x 26.6 arcsec integration area. 20032MASX.C.......: 22
23 K_s 11.393 +/- 0.076 mag 1.38E+14 1.85E-02 +/- 1.34E-03 Jy Broad-band 20032MASX.C.......: 23
24 K_s_14arcsec (2MASS) 12.347 +/- 0.043 mag 1.38E+14 7.68E-03 +/- 3.10E-04 Jy Broad-band 14.0 x 14.0 arcsec aperture. 20032MASX.C.......: 24
25 4.755 GHz (GBT) 22 +/- 4 milliJy 4.76E+09 2.20E-02 +/- 4.00E-03 Jy Broad-band Signal not associated with the MRK 1995ApJS...98..369B 25
26 HI (21 cm line) 16.43 +/- 0.30 m_21 mag 1.42E+09 1.17E+04 +/- 3.72E+03 Jy-Hz Line m_21 equiv. to S(HI) = 1.169E-22 W m^-2 1991RC3.9.C...0000d 26
27 HI 21 cm line 2.90 +/- 0.30 Jy km s^-1^ 1.42E+09 1.35E+04 +/- 1.40E+03 Jy-Hz Line Self-absorption corrected line flux 2005ApJS..160..149S 27
28 HI 21 cm line 2.85 ... Jy km s^-1^ 1.42E+09 1.33E+04 ... Jy-Hz Line Corrected line flux 2005ApJS..160..149S 28
29 HI 21 cm line 2.62 ... Jy km s^-1^ 1.42E+09 1.22E+04 ... Jy-Hz Line 2005ApJS..160..149S 29
30 HI (21 cm line) 2.21 +/- 0.42 Jy km s^-1^ 1.42E+09 1.03E+04 +/- 1.95E+03 Jy-Hz Line 1989H&RHI.C...0000H 30


Detailed Information for Each Entry

 No. 1
Reference Code : 2012GASC..C...0000S
Freq. targeted : FUV (GALEX) AB      
Measurement    :  17.5893     mag                  = 3.34E-30 W m^-2^ Hz^-1^
Uncertainty    :  0.0472607   mag                  = 1.46E-31
Significance   : uncertainty
Freq or Vel.   : 1538.6       A            (OBS   )= 1.95E+15 Hz
Frequency mode : Broad-band measurement
Coord. targeted: 19.051618556072 33.064761912906 (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 : 19.7880 mag = 4.41E-31 W m^-2^ Hz^-1^ Uncertainty : 0.150624 mag = 6.12E-32 Significance : uncertainty Freq or Vel. : 1538.6 A (OBS )= 1.95E+15 Hz Frequency mode : Broad-band measurement Coord. targeted: 19.051618556072 33.064761912906 (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 : 17.0462 mag = 5.52E-30 W m^-2^ Hz^-1^ Uncertainty : 0.0207076 mag = 1.05E-31 Significance : uncertainty Freq or Vel. : 2315.7 A (OBS )= 1.29E+15 Hz Frequency mode : Broad-band measurement Coord. targeted: 19.051618556072 33.064761912906 (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 : 19.3701 mag = 6.49E-31 W m^-2^ Hz^-1^ Uncertainty : 0.0697694 mag = 4.17E-32 Significance : uncertainty Freq or Vel. : 2315.7 A (OBS )= 1.29E+15 Hz Frequency mode : Broad-band measurement Coord. targeted: 19.051618556072 33.064761912906 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : Flux in 7.5 arcsec diameter aperture
No. 5 Reference Code : 1968CGCG6.C...0000Z Freq. targeted : m_p Measurement : 14.8 mag = 5.12E-29 W m^-2^ Hz^-1^ Uncertainty : 0.4 mag = 2.28E-29 Significance : rms noise Freq or Vel. : 4400 A (OBS )= 6.81E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 011324.0 +324800. (B1950) Spatial mode : Estimated by eye Notes : From new raw data Qualifiers :
No. 6 Reference Code : 1991RC3.9.C...0000d Freq. targeted : B (m_B^0) Measurement : 14.42 mag = 7.27E-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: 011324.9 +324801 (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 : 1991RC3.9.C...0000d Freq. targeted : B (m_B) Measurement : 14.89 mag = 4.71E-29 W m^-2^ Hz^-1^ Uncertainty : 0.20 mag = 9.54E-30 Significance : rms uncertainty Freq or Vel. : 4400 A (OBS )= 6.81E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 011324.9 +324801 (B1950) Spatial mode : Multiple methods Notes : Homogenized from new and previously published data; Standard Johnson UBVRI filters assumed Qualifiers :
No. 8 Reference Code : 2007ApJS..170...33P Freq. targeted : J_pg Measurement : 15.8 mag = 1.89E-29 W m^-2^ Hz^-1^ Uncertainty : 0.3 mag = 5.22E-30 Significance : estimated error Freq or Vel. : 4680 A (OBS )= 6.41E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 01 16 12.46 +33 03 51.6 (J2000) Spatial mode : Flux in fixed aperture Notes : From reprocessed raw data Qualifiers : Isophotal mag
No. 9 Reference Code : 2007ApJS..170...33P Freq. targeted : F_pg Measurement : 14.4 mag = 5.35E-29 W m^-2^ Hz^-1^ Uncertainty : 0.3 mag = 1.48E-29 Significance : estimated error Freq or Vel. : 6400 A (OBS )= 4.68E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 01 16 12.46 +33 03 51.6 (J2000) Spatial mode : Flux in fixed aperture Notes : From reprocessed raw data Qualifiers : Isophotal mag
No. 10 Reference Code : 2006AJ....131.1163S Freq. targeted : J (2MASS/FLWO) Measurement : 14.121 mag = 3.58E-29 W m^-2^ Hz^-1^ Uncertainty : 0.043 mag = 1.42E-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. 11 Reference Code : 2006AJ....131.1163S Freq. targeted : J (2MASS/FLWO) Measurement : 15.023 mag = 1.56E-29 W m^-2^ Hz^-1^ Uncertainty : 0.12 mag = 1.72E-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
No. 12 Reference Code : 20032MASX.C.......: Freq. targeted : J_14arcsec (2MASS) Measurement : 13.315 mag = 7.52E-29 W m^-2^ Hz^-1^ Uncertainty : 0.028 mag = 1.96E-30 Significance : 1 sigma uncert. Freq or Vel. : 1.25 microns (OBS )= 2.40E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 011612.40 +330350.8 (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 : 12.513 mag = 1.57E-28 W m^-2^ Hz^-1^ Uncertainty : 0.043 mag = 6.36E-30 Significance : 1 sigma uncert. Freq or Vel. : 1.25 microns (OBS )= 2.40E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 011612.40 +330350.8 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : 33.2 x 26.6 arcsec integration area.
No. 14 Reference Code : 20032MASX.C.......: Freq. targeted : J Measurement : 12.298 mag = 1.92E-28 W m^-2^ Hz^-1^ Uncertainty : 0.046 mag = 8.30E-30 Significance : 1 sigma uncert. Freq or Vel. : 1.25 microns (OBS )= 2.40E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 011612.40 +330350.8 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers :
No. 15 Reference Code : 20032MASX.C.......: Freq. targeted : H_14arcsec (2MASS) Measurement : 12.655 mag = 8.88E-29 W m^-2^ Hz^-1^ Uncertainty : 0.036 mag = 2.99E-30 Significance : 1 sigma uncert. Freq or Vel. : 1.65 microns (OBS )= 1.82E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 011612.40 +330350.8 (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 : H Measurement : 11.921 mag = 1.75E-28 W m^-2^ Hz^-1^ Uncertainty : 0.063 mag = 1.04E-29 Significance : 1 sigma uncert. Freq or Vel. : 1.65 microns (OBS )= 1.82E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 011612.40 +330350.8 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : 33.2 x 26.6 arcsec integration area.
No. 17 Reference Code : 20032MASX.C.......: Freq. targeted : H Measurement : 11.704 mag = 2.13E-28 W m^-2^ Hz^-1^ Uncertainty : 0.064 mag = 1.29E-29 Significance : 1 sigma uncert. Freq or Vel. : 1.65 microns (OBS )= 1.82E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 011612.40 +330350.8 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers :
No. 18 Reference Code : 2006AJ....131.1163S Freq. targeted : H (2MASS/FLWO) Measurement : 14.407 mag = 1.77E-29 W m^-2^ Hz^-1^ Uncertainty : 0.185 mag = 3.01E-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. 19 Reference Code : 2006AJ....131.1163S Freq. targeted : H (2MASS/FLWO) Measurement : 13.43 mag = 4.35E-29 W m^-2^ Hz^-1^ Uncertainty : 0.024 mag = 9.61E-31 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. 20 Reference Code : 2006AJ....131.1163S Freq. targeted : K_s (2MASS/FLWO) Measurement : 13.107 mag = 3.81E-29 W m^-2^ Hz^-1^ Uncertainty : 0.048 mag = 1.69E-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 : 4" aperture
No. 21 Reference Code : 2006AJ....131.1163S Freq. targeted : K_s (2MASS/FLWO) Measurement : 14.006 mag = 1.67E-29 W m^-2^ Hz^-1^ Uncertainty : 0.125 mag = 1.92E-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. 22 Reference Code : 20032MASX.C.......: Freq. targeted : K_s Measurement : 11.564 mag = 1.58E-28 W m^-2^ Hz^-1^ Uncertainty : 0.081 mag = 1.22E-29 Significance : 1 sigma uncert. Freq or Vel. : 2.17 microns (OBS )= 1.38E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 011612.40 +330350.8 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : 33.2 x 26.6 arcsec integration area.
No. 23 Reference Code : 20032MASX.C.......: Freq. targeted : K_s Measurement : 11.393 mag = 1.85E-28 W m^-2^ Hz^-1^ Uncertainty : 0.076 mag = 1.34E-29 Significance : 1 sigma uncert. Freq or Vel. : 2.17 microns (OBS )= 1.38E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 011612.40 +330350.8 (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 : 12.347 mag = 7.68E-29 W m^-2^ Hz^-1^ Uncertainty : 0.043 mag = 3.10E-30 Significance : 1 sigma uncert. Freq or Vel. : 2.17 microns (OBS )= 1.38E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 011612.40 +330350.8 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : 14.0 x 14.0 arcsec aperture.
No. 25 Reference Code : 1995ApJS...98..369B Freq. targeted : 4.755 GHz (GBT) Measurement : 22 milliJy = 2.20E-28 W m^-2^ Hz^-1^ Uncertainty : 4 milliJy = 4.00E-29 Significance : rms uncertainty Freq or Vel. : 4.755 GHz (OBS )= 4.76E+09 Hz Frequency mode : Broad-band measurement Coord. targeted: Spatial mode : Flux integrated from map Notes : From new raw data Qualifiers : Signal not associated with the MRK
No. 26 Reference Code : 1991RC3.9.C...0000d Freq. targeted : HI (21 cm line) Measurement : 16.43 m_21 mag = 1.17E-22 W m^-2^ Uncertainty : 0.30 m_21 mag = 3.72E-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: 011324.9 +324801 (B1950) Spatial mode : Multiple methods Notes : Homogenized from new and previously published data Qualifiers : m_21 equiv. to S(HI) = 1.169E-22 W m^-2
No. 27 Reference Code : 2005ApJS..160..149S Freq. targeted : HI 21 cm line Measurement : 2.90 Jy km s^-1^ = 1.35E-22 W m^-2^ Uncertainty : 0.30 Jy km s^-1^ = 1.40E-23 Significance : uncertainty Freq or Vel. : 4862 km s^-1^ (REST )= 1.42E+09 Hz Frequency mode : Line measurement; flux integrated over line; lines measured in emission Coord. targeted: 01 16 12.4 +33 03 50 (J2000) Spatial mode : Flux integrated from map Notes : From new raw data Qualifiers : Self-absorption corrected line flux
No. 28 Reference Code : 2005ApJS..160..149S Freq. targeted : HI 21 cm line Measurement : 2.85 Jy km s^-1^ = 1.33E-22 W m^-2^ Uncertainty : Jy km s^-1^ = 0.00E+00 Significance : no uncertainty reported Freq or Vel. : 4862 km s^-1^ (REST )= 1.42E+09 Hz Frequency mode : Line measurement; flux integrated over line; lines measured in emission Coord. targeted: 01 16 12.4 +33 03 50 (J2000) Spatial mode : Flux integrated from map Notes : From new raw data Qualifiers : Corrected line flux
No. 29 Reference Code : 2005ApJS..160..149S Freq. targeted : HI 21 cm line Measurement : 2.62 Jy km s^-1^ = 1.22E-22 W m^-2^ Uncertainty : Jy km s^-1^ = 0.00E+00 Significance : no uncertainty reported Freq or Vel. : 4862 km s^-1^ (REST )= 1.42E+09 Hz Frequency mode : Line measurement; flux integrated over line; lines measured in emission Coord. targeted: 01 16 12.4 +33 03 50 (J2000) Spatial mode : Flux integrated from map Notes : From new raw data Qualifiers :
No. 30 Reference Code : 1989H&RHI.C...0000H Freq. targeted : HI (21 cm line) Measurement : 2.21 Jy km s^-1^ = 1.03E-22 W m^-2^ Uncertainty : 0.42 Jy km s^-1^ = 1.95E-23 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: 011324.5 +324800. (B1950) Spatial mode : Not reported in paper Notes : Transformed from previously published data Qualifiers :

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