NASA/IPAC EXTRAGALACTIC DATABASE
Date and Time of the Query: 2019-03-24 T05:56:03 PDT
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Spectral Energy Distribution (SED) for NGC 1427A:

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 15.17 +/- 0.01 mag 1.98E+15 3.11E-03 +/- 2.86E-05 Jy Broad-band 2007ApJS..173..185G 1
2 NUV (GALEX) AB 14.88 +/- 0.01 mag 1.32E+15 4.06E-03 +/- 3.73E-05 Jy Broad-band 2007ApJS..173..185G 2
3 B (m_B) 13.42 +/- 0.21 mag 6.81E+14 1.83E-02 +/- 3.90E-03 Jy Broad-band 1991RC3.9.C...0000d 3
4 B (m_B^0) 13.27 ... mag 6.81E+14 2.10E-02 ... Jy Broad-band 1991RC3.9.C...0000d 4
5 B (Cousins) (B_T) 13.44 +/- 0.09 mag 6.81E+14 1.79E-02 +/- 1.55E-03 Jy Broad-band 1989ESOLV.C...0000L 5
6 B (Cousins) (B_25) 13.68 +/- 0.09 mag 6.81E+14 1.43E-02 +/- 1.24E-03 Jy Broad-band 1989ESOLV.C...0000L 6
7 B (Cousins) (B_26) 13.57 +/- 0.09 mag 6.81E+14 1.59E-02 +/- 1.38E-03 Jy Broad-band 1989ESOLV.C...0000L 7
8 b_J 14.80 +/- 0.12 mag 6.41E+14 4.75E-03 +/- 5.55E-04 Jy Broad-band 1990MNRAS.243..692M 8
9 B_J 13.1841 ... mag 6.41E+14 2.10E-02 ... Jy Broad-band 2005MNRAS.361...34D 9
10 R (Cousins) (R_T) 12.68 +/- 0.09 mag 4.68E+14 2.61E-02 +/- 2.25E-03 Jy Broad-band 1989ESOLV.C...0000L 10
11 R (Cousins) (R_25) 12.91 +/- 0.09 mag 4.68E+14 2.12E-02 +/- 1.83E-03 Jy Broad-band 1989ESOLV.C...0000L 11
12 R (Cousins) (R_26) 12.79 +/- 0.09 mag 4.68E+14 2.36E-02 +/- 2.04E-03 Jy Broad-band 1989ESOLV.C...0000L 12
13 R 13.3323 ... mag 4.68E+14 1.43E-02 ... Jy Broad-band 2005MNRAS.361...34D 13
14 I_t_ 12.26 ... mag 3.80E+14 2.97E-02 ... Jy Broad-band 1997AJ....113...22G 14
15 I_corr_ 12.16 +/- 0.09 mag 3.80E+14 3.26E-02 +/- 1.28E-02 Jy Broad-band 1997AJ....113...22G 15
16 I 13.3367 ... mag 3.79E+14 1.18E-02 ... Jy Broad-band 2005MNRAS.361...34D 16
17 12 microns (IRAS) ... <7.716E-02 Jy 2.50E+13 < 7.72E-02 Jy Broad-band 1990IRASF.C...0000M 17
18 25 microns (IRAS) ... <1.006E-01 Jy 1.20E+13 < 1.01E-01 Jy Broad-band 1990IRASF.C...0000M 18
19 60 microns (IRAS) 2.073E-01 +/- 16 % Jy 5.00E+12 2.07E-01 +/- 3.32E-02 Jy Broad-band IRAS quality flag = 3 1990IRASF.C...0000M 19
20 100 microns (IRAS) 7.782E-01 +/- 16 % Jy 3.00E+12 7.78E-01 +/- 1.24E-01 Jy Broad-band IRAS quality flag = 2 1990IRASF.C...0000M 20
21 HI (21 cm line) 13.86 +/- 0.20 m_21 mag 1.42E+09 1.25E+05 +/- 2.52E+04 Jy-Hz Line m_21 equiv. to S(HI) = 1.247E-21 W m^-2 1991RC3.9.C...0000d 21
22 HI 21cm line Parkes 22.5 +/- 3.0 Jy km/s 1.42E+09 1.06E+05 +/- 1.41E+04 Jy-Hz Line 2004AJ....128...16K 22
23 HI line (Parkes) 22.9 ... Jy km s^-1^ 1.42E+09 1.08E+05 ... Jy-Hz Line 2005MNRAS.361...34D 23
24 HI (21 cm line) 25.40 +/- 2.80 Jy km s^-1^ 1.42E+09 1.19E+05 +/- 1.31E+04 Jy-Hz Line 1989H&RHI.C...0000H 24


Detailed Information for Each Entry

 No. 1
Reference Code : 2007ApJS..173..185G
Freq. targeted : FUV (GALEX) AB      
Measurement    :  15.17        mag                 = 3.11E-29 W m^-2^ Hz^-1^
Uncertainty    :  0.01         mag                 = 2.86E-31
Significance   : uncertainty
Freq or Vel.   :       1516   A            (OBS   )= 1.98E+15 Hz
Frequency mode : Broad-band measurement
Coord. targeted: 03 40 09.3      -35 37 28.0 (J2000)
Spatial mode   : Total flux
Notes          : From new raw data
Qualifiers     :                                         

No. 2 Reference Code : 2007ApJS..173..185G Freq. targeted : NUV (GALEX) AB Measurement : 14.88 mag = 4.05E-29 W m^-2^ Hz^-1^ Uncertainty : 0.01 mag = 3.73E-31 Significance : uncertainty Freq or Vel. : 2267 A (OBS )= 1.32E+15 Hz Frequency mode : Broad-band measurement Coord. targeted: 03 40 09.3 -35 37 28.0 (J2000) Spatial mode : Total flux Notes : From new raw data Qualifiers :
No. 3 Reference Code : 1991RC3.9.C...0000d Freq. targeted : B (m_B) Measurement : 13.42 mag = 1.83E-28 W m^-2^ Hz^-1^ Uncertainty : 0.21 mag = 3.90E-29 Significance : rms uncertainty Freq or Vel. : 4400 A (OBS )= 6.81E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 033815.0 -354654 (B1950) Spatial mode : Multiple methods Notes : Homogenized from new and previously published data; Standard Johnson UBVRI filters assumed Qualifiers :
No. 4 Reference Code : 1991RC3.9.C...0000d Freq. targeted : B (m_B^0) Measurement : 13.27 mag = 2.10E-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: 033815.0 -354654 (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. 5 Reference Code : 1989ESOLV.C...0000L Freq. targeted : B (Cousins) (B_T) Measurement : 13.44 mag = 1.79E-28 W m^-2^ Hz^-1^ Uncertainty : 0.09 mag = 1.54E-29 Significance : typical accuracy Freq or Vel. : 4400 A (OBS )= 6.81E+14 Hz Frequency mode : Broad-band measurement; photometric system transformed Coord. targeted: 033815 -3546.9 (B1950) Spatial mode : Modelled datum Notes : From new raw data Qualifiers :
No. 6 Reference Code : 1989ESOLV.C...0000L Freq. targeted : B (Cousins) (B_25) Measurement : 13.68 mag = 1.43E-28 W m^-2^ Hz^-1^ Uncertainty : 0.09 mag = 1.24E-29 Significance : typical accuracy Freq or Vel. : 4400 A (OBS )= 6.81E+14 Hz Frequency mode : Broad-band measurement; photometric system transformed Coord. targeted: 033815 -3546.9 (B1950) Spatial mode : Modelled datum Notes : From new raw data Qualifiers :
No. 7 Reference Code : 1989ESOLV.C...0000L Freq. targeted : B (Cousins) (B_26) Measurement : 13.57 mag = 1.59E-28 W m^-2^ Hz^-1^ Uncertainty : 0.09 mag = 1.38E-29 Significance : typical accuracy Freq or Vel. : 4400 A (OBS )= 6.81E+14 Hz Frequency mode : Broad-band measurement; photometric system transformed Coord. targeted: 033815 -3546.9 (B1950) Spatial mode : Modelled datum Notes : From new raw data Qualifiers :
No. 8 Reference Code : 1990MNRAS.243..692M Freq. targeted : b_J Measurement : 14.80 mag = 4.75E-29 W m^-2^ Hz^-1^ Uncertainty : 0.12 mag = 5.55E-30 Significance : rms uncertainty Freq or Vel. : 4680 A (OBS )= 6.41E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 033815.97 -354715.4 (B1950) Spatial mode : Flux integrated from map Notes : From new raw data Qualifiers :
No. 9 Reference Code : 2005MNRAS.361...34D Freq. targeted : B_J Measurement : 13.1841 mag = 2.10E-28 W m^-2^ Hz^-1^ Uncertainty : mag = 0.00E+00 Significance : no uncertainty reported Freq or Vel. : 4680 A (OBS )= 6.41E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 034009.2 -353727.0 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers :
No. 10 Reference Code : 1989ESOLV.C...0000L Freq. targeted : R (Cousins) (R_T) Measurement : 12.68 mag = 2.60E-28 W m^-2^ Hz^-1^ Uncertainty : 0.09 mag = 2.25E-29 Significance : typical accuracy Freq or Vel. : 6400 A (OBS )= 4.68E+14 Hz Frequency mode : Broad-band measurement; photometric system transformed Coord. targeted: 033815 -3546.9 (B1950) Spatial mode : Modelled datum Notes : From new raw data Qualifiers :
No. 11 Reference Code : 1989ESOLV.C...0000L Freq. targeted : R (Cousins) (R_25) Measurement : 12.91 mag = 2.12E-28 W m^-2^ Hz^-1^ Uncertainty : 0.09 mag = 1.83E-29 Significance : typical accuracy Freq or Vel. : 6400 A (OBS )= 4.68E+14 Hz Frequency mode : Broad-band measurement; photometric system transformed Coord. targeted: 033815 -3546.9 (B1950) Spatial mode : Modelled datum Notes : From new raw data Qualifiers :
No. 12 Reference Code : 1989ESOLV.C...0000L Freq. targeted : R (Cousins) (R_26) Measurement : 12.79 mag = 2.36E-28 W m^-2^ Hz^-1^ Uncertainty : 0.09 mag = 2.04E-29 Significance : typical accuracy Freq or Vel. : 6400 A (OBS )= 4.68E+14 Hz Frequency mode : Broad-band measurement; photometric system transformed Coord. targeted: 033815 -3546.9 (B1950) Spatial mode : Modelled datum Notes : From new raw data Qualifiers :
No. 13 Reference Code : 2005MNRAS.361...34D Freq. targeted : R Measurement : 13.3323 mag = 1.43E-28 W m^-2^ Hz^-1^ Uncertainty : mag = 0.00E+00 Significance : no uncertainty reported Freq or Vel. : 6400 A (OBS )= 4.68E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 034009.2 -353727.0 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers :
No. 14 Reference Code : 1997AJ....113...22G Freq. targeted : I_t_ Measurement : 12.26 mag = 2.97E-28 W m^-2^ Hz^-1^ Uncertainty : mag = 0.00E+00 Significance : no uncertainty reported Freq or Vel. : 8060 A (OBS )= 3.80E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 033814.0 -354712. (B1950) Spatial mode : Total flux Notes : Transformed from previously published data; Corrected for contaminating foreground stars Qualifiers :
No. 15 Reference Code : 1997AJ....113...22G Freq. targeted : I_corr_ Measurement : 12.16 mag = 3.26E-28 W m^-2^ Hz^-1^ Uncertainty : 0.09 mag = 1.28E-28 Significance : uncertainty Freq or Vel. : 8060 A (OBS )= 3.80E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 033814.0 -354712. (B1950) Spatial mode : Total flux Notes : Transformed from previously published data; Extinction-corrected for internal and Milky Way and K-correction applied Qualifiers :
No. 16 Reference Code : 2005MNRAS.361...34D Freq. targeted : I Measurement : 13.3367 mag = 1.18E-28 W m^-2^ Hz^-1^ Uncertainty : mag = 0.00E+00 Significance : no uncertainty reported Freq or Vel. : 7900 A (OBS )= 3.79E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 034009.2 -353727.0 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers :
No. 17 Reference Code : 1990IRASF.C...0000M Freq. targeted : 12 microns (IRAS) Measurement : <7.716E-02 Jy < 7.72E-28 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: 033813.8 -354712 (B1950) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers :
No. 18 Reference Code : 1990IRASF.C...0000M Freq. targeted : 25 microns (IRAS) Measurement : <1.006E-01 Jy < 1.01E-27 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: 033813.8 -354712 (B1950) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers :
No. 19 Reference Code : 1990IRASF.C...0000M Freq. targeted : 60 microns (IRAS) Measurement : 2.073E-01 Jy = 2.07E-27 W m^-2^ Hz^-1^ Uncertainty : 16 % Jy = 3.32E-28 Significance : uncertainty Freq or Vel. : 60 microns (OBS )= 5.00E+12 Hz Frequency mode : Broad-band measurement Coord. targeted: 033813.8 -354712 (B1950) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : IRAS quality flag = 3
No. 20 Reference Code : 1990IRASF.C...0000M Freq. targeted : 100 microns (IRAS) Measurement : 7.782E-01 Jy = 7.78E-27 W m^-2^ Hz^-1^ Uncertainty : 16 % Jy = 1.24E-27 Significance : uncertainty Freq or Vel. : 100 microns (OBS )= 3.00E+12 Hz Frequency mode : Broad-band measurement Coord. targeted: 033813.8 -354712 (B1950) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : IRAS quality flag = 2
No. 21 Reference Code : 1991RC3.9.C...0000d Freq. targeted : HI (21 cm line) Measurement : 13.86 m_21 mag = 1.25E-21 W m^-2^ Uncertainty : 0.20 m_21 mag = 2.52E-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: 033815.0 -354654 (B1950) Spatial mode : Multiple methods Notes : Homogenized from new and previously published data Qualifiers : m_21 equiv. to S(HI) = 1.247E-21 W m^-2
No. 22 Reference Code : 2004AJ....128...16K Freq. targeted : HI 21cm line Parkes Measurement : 22.5 Jy km/s = 1.06E-21 W m^-2^ Uncertainty : 3.0 Jy km/s = 1.41E-22 Significance : uncertainty Freq or Vel. : 2029 km s^-1^ (REST )= 1.42E+09 Hz Frequency mode : Line measurement; flux integrated over line Coord. targeted: 03 40 08 -35 37 39 (J2000) Spatial mode : Flux integrated from map Notes : From new raw data Qualifiers :
No. 23 Reference Code : 2005MNRAS.361...34D Freq. targeted : HI line (Parkes) Measurement : 22.9 Jy km s^-1^ = 1.08E-21 W m^-2^ Uncertainty : Jy km s^-1^ = 0.00E+00 Significance : no uncertainty reported Freq or Vel. : 2022.2 km s^-1^ (REST )= 1.42E+09 Hz Frequency mode : Line measurement; flux integrated over line; lines measured in emission Coord. targeted: 034008.0 -353753. (J2000) Spatial mode : Flux integrated from map Notes : Averaged from previously published data Qualifiers :
No. 24 Reference Code : 1989H&RHI.C...0000H Freq. targeted : HI (21 cm line) Measurement : 25.40 Jy km s^-1^ = 1.19E-21 W m^-2^ Uncertainty : 2.80 Jy km s^-1^ = 1.31E-22 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: 033814.0 -354712. (B1950) Spatial mode : Not reported in paper Notes : Transformed from previously published data Qualifiers :

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