NASA/IPAC EXTRAGALACTIC DATABASE
Date and Time of the Query: 2019-08-17 T08:47:24 PDT
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Spectral Energy Distribution (SED) for [HB89] 0237-027:

25 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 0.15-3.5 keV (IPC) 0.75E-12 +/- 0.20E-12 erg cm^-2^ s^-1^ 4.42E+17 1.70E-07 +/- 4.52E-08 Jy Broad-band 1981ApJ...250L..55O 1
2 0.1-2.4 keV (ROSAT) 0.520E-12 ... erg/cm^2^/s 3.02E+17 1.72E-07 ... Jy Broad-band 2009A&A...495..691M 2
3 U 19.05 ... mag 8.19E+14 4.34E-05 ... Jy Broad-band 1978ApJS...36..317W 3
4 B 19.86 ... mag 6.81E+14 4.85E-05 ... Jy Broad-band 1978ApJS...36..317W 4
5 V 19.39 ... mag 5.42E+14 6.38E-05 ... Jy Broad-band 1978ApJS...36..317W 5
6 R 19.04 ... mag 4.68E+14 7.46E-05 ... Jy Broad-band 2008ApJS..175...97H 6
7 90 GHz (NRAO) 1.72 +/- 0.17 Jy 9.00E+10 1.72E+00 +/- 1.70E-01 Jy Broad-band 1981ApJ...250L..55O 7
8 43 GHz (VLBA) 0.43 ... Jy 4.30E+10 4.30E-01 ... Jy Broad-band 2010AJ....139.1695L 8
9 31 GHz (OVRO) 738.70 +/- 34.86 milliJy 3.10E+10 7.39E-01 +/- 3.49E-02 Jy Broad-band 2009ApJ...704.1433M 9
10 24 GHz (VLBA) 0.63 ... Jy 2.40E+10 6.30E-01 ... Jy Broad-band 2010AJ....139.1695L 10
11 22 GHz (VERA) 0.34 ... Jy 2.20E+10 3.40E-01 ... Jy Broad-band [100,200] megawavelength baseline proj 2007AJ....133.2487P 11
12 22 GHz (VERA) 0.26 ... Jy 2.20E+10 2.60E-01 ... Jy Broad-band [0,70] megawavelength baseline proj 2007AJ....133.2487P 12
13 20 GHz (ATCA) 895 +/- 39 milliJy 1.99E+10 8.95E-01 +/- 3.90E-02 Jy Broad-band 2010MNRAS.402.2403M 13
14 15 GHz (OVRO) 0.912 +/- 0.011 Jy 1.50E+10 9.12E-01 +/- 1.10E-02 Jy Broad-band 2011ApJS..194...29R 14
15 8.6 GHz (VLA) 445.0 ... milliJy 8.48E+09 4.45E-01 ... Jy Broad-band 2005ApJ...618..108B 15
16 8.4 GHz (VLA) 595.00 +/- 18.00 milliJy 8.40E+09 5.95E-01 +/- 1.80E-02 Jy Broad-band Core flux 2004ApJ...609..564S 16
17 8.4 GHz (VLA) 750.7 ... milliJy 8.40E+09 7.51E-01 ... Jy Broad-band 2007ApJS..171...61H 17
18 8400 MHz 0.73 ... Jy 8.40E+09 7.30E-01 ... Jy Broad-band 1990PKS90.C...0000W 18
19 5000 MHz 1.160 ... Jy 5.00E+09 1.16E+00 ... Jy Broad-band 1990PKS90.C...0000W 19
20 4.85 GHz 708 +/- 38 milliJy 4.85E+09 7.08E-01 +/- 3.80E-02 Jy Broad-band 1995ApJS...97..347G 20
21 2700 MHz 0.680 ... Jy 2.70E+09 6.80E-01 ... Jy Broad-band 1990PKS90.C...0000W 21
22 1410 MHz 0.370 ... Jy 1.41E+09 3.70E-01 ... Jy Broad-band 1990PKS90.C...0000W 22
23 1.40 GHz 396 ... milliJy 1.40E+09 3.96E-01 ... Jy Broad-band 1992ApJS...79..331W 23
24 1.4GHz 304.4 +/- 9.1 milliJy 1.40E+09 3.04E-01 +/- 9.10E-03 Jy Broad-band 1998AJ....115.1693C 24
25 365 MHz (Texas) 0.250 +/- 0.022 Jy 3.65E+08 2.50E-01 +/- 2.20E-02 Jy Broad-band Model:P;MFlag:+;EFlag:+;LFlag:C. 1996AJ....111.1945D 25


Detailed Information for Each Entry

 No. 1
Reference Code : 1981ApJ...250L..55O
Freq. targeted : 0.15-3.5 keV (IPC)  
Measurement    :  0.75E-12    erg cm^-2^ s^-1^     = 7.50E-16 W m^-2^
Uncertainty    :  0.20E-12    erg cm^-2^ s^-1^     = 2.00E-16
Significance   : 1 sigma
Freq or Vel.   :     1.83     keV          (OBS   )= 4.42E+17 Hz
Frequency mode : Broad-band measurement
Coord. targeted:
Spatial mode   : Flux integrated from map
Notes          : From new raw data; NED frequency assigned to mid-point of
                 band in keV
Qualifiers     :                                         

No. 2 Reference Code : 2009A&A...495..691M Freq. targeted : 0.1-2.4 keV (ROSAT) Measurement : 0.520E-12 erg/cm^2^/s = 5.20E-16 W m^-2^ Uncertainty : erg/cm^2^/s = 0.00E+00 Significance : no uncertainty reported Freq or Vel. : 1.25 keV (OBS )= 3.02E+17 Hz Frequency mode : Broad-band measurement Coord. targeted: 02 39 45.4 -02 34 40.0 (J2000) Spatial mode : Not reported in paper Notes : Averaged from previously published data; NED frequency assigned to mid-point of band in keV Qualifiers :
No. 3 Reference Code : 1978ApJS...36..317W Freq. targeted : U Measurement : 19.05 mag = 4.34E-31 W m^-2^ Hz^-1^ Uncertainty : mag = 0.00E+00 Significance : no uncertainty reported Freq or Vel. : 3660 A (OBS )= 8.19E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: Spatial mode : Flux integrated from map Notes : Averaged new and previously published data; derived from a flux in a different band and a color; Standard Johnson UBVRI filters assumed Qualifiers :
No. 4 Reference Code : 1978ApJS...36..317W Freq. targeted : B Measurement : 19.86 mag = 4.85E-31 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: Spatial mode : Flux integrated from map Notes : Averaged new and previously published data; derived from a flux in a different band and a color; Standard Johnson UBVRI filters assumed Qualifiers :
No. 5 Reference Code : 1978ApJS...36..317W Freq. targeted : V Measurement : 19.39 mag = 6.38E-31 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: Spatial mode : Estimated by eye Notes : Averaged new and previously published data; Standard Johnson UBVRI filters assumed Qualifiers :
No. 6 Reference Code : 2008ApJS..175...97H Freq. targeted : R Measurement : 19.04 mag = 7.46E-31 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: 02 39 45.47 -02 34 41.0 (J2000) Spatial mode : Flux integrated from map Notes : Averaged new and previously published data Qualifiers :
No. 7 Reference Code : 1981ApJ...250L..55O Freq. targeted : 90 GHz (NRAO) Measurement : 1.72 Jy = 1.72E-26 W m^-2^ Hz^-1^ Uncertainty : 0.17 Jy = 1.70E-27 Significance : uncertainty Freq or Vel. : 90 GHz (OBS )= 9.00E+10 Hz Frequency mode : Broad-band measurement Coord. targeted: Spatial mode : Flux integrated from map Notes : From new raw data Qualifiers :
No. 8 Reference Code : 2010AJ....139.1695L Freq. targeted : 43 GHz (VLBA) Measurement : 0.43 Jy = 4.30E-27 W m^-2^ Hz^-1^ Uncertainty : Jy = 0.00E+00 Significance : no uncertainty reported Freq or Vel. : 43 GHz (OBS )= 4.30E+10 Hz Frequency mode : Broad-band measurement Coord. targeted: 02 39 45.472261 -02 34 40.91464 (J2000) Spatial mode : Total flux Notes : From new raw data Qualifiers :
No. 9 Reference Code : 2009ApJ...704.1433M Freq. targeted : 31 GHz (OVRO) Measurement : 738.70 milliJy = 7.39E-27 W m^-2^ Hz^-1^ Uncertainty : 34.86 milliJy = 3.49E-28 Significance : uncertainty Freq or Vel. : 31 GHz (OBS )= 3.10E+10 Hz Frequency mode : Broad-band measurement Coord. targeted: 02 39 45.48 -02 34 41.4 (J2000) Spatial mode : Flux integrated from map Notes : From new raw data Qualifiers :
No. 10 Reference Code : 2010AJ....139.1695L Freq. targeted : 24 GHz (VLBA) Measurement : 0.63 Jy = 6.30E-27 W m^-2^ Hz^-1^ Uncertainty : Jy = 0.00E+00 Significance : no uncertainty reported Freq or Vel. : 24 GHz (OBS )= 2.40E+10 Hz Frequency mode : Broad-band measurement Coord. targeted: 02 39 45.472255 -02 34 40.91404 (J2000) Spatial mode : Total flux Notes : From new raw data Qualifiers :
No. 11 Reference Code : 2007AJ....133.2487P Freq. targeted : 22 GHz (VERA) Measurement : 0.34 Jy = 3.40E-27 W m^-2^ Hz^-1^ Uncertainty : Jy = 0.00E+00 Significance : no uncertainty reported Freq or Vel. : 22 GHz (OBS )= 2.20E+10 Hz Frequency mode : Broad-band measurement Coord. targeted: 02 39 45.47 -02 34 40.9 (J2000) Spatial mode : Flux integrated from map Notes : From new raw data Qualifiers : [100,200] megawavelength baseline proj
No. 12 Reference Code : 2007AJ....133.2487P Freq. targeted : 22 GHz (VERA) Measurement : 0.26 Jy = 2.60E-27 W m^-2^ Hz^-1^ Uncertainty : Jy = 0.00E+00 Significance : no uncertainty reported Freq or Vel. : 22 GHz (OBS )= 2.20E+10 Hz Frequency mode : Broad-band measurement Coord. targeted: 02 39 45.47 -02 34 40.9 (J2000) Spatial mode : Flux integrated from map Notes : From new raw data Qualifiers : [0,70] megawavelength baseline proj
No. 13 Reference Code : 2010MNRAS.402.2403M Freq. targeted : 20 GHz (ATCA) Measurement : 895 milliJy = 8.95E-27 W m^-2^ Hz^-1^ Uncertainty : 39 milliJy = 3.90E-28 Significance : rms uncertainty Freq or Vel. : 19.904 GHz (OBS )= 1.99E+10 Hz Frequency mode : Broad-band measurement Coord. targeted: 02 39 45.56 -02 34 40.6 (J2000) Spatial mode : Flux integrated from map Notes : From new raw data Qualifiers :
No. 14 Reference Code : 2011ApJS..194...29R Freq. targeted : 15 GHz (OVRO) Measurement : 0.912 Jy = 9.12E-27 W m^-2^ Hz^-1^ Uncertainty : 0.011 Jy = 1.10E-28 Significance : 1 sigma Freq or Vel. : 15.0 GHz (OBS )= 1.50E+10 Hz Frequency mode : Broad-band measurement Coord. targeted: 02 39 45.47 -02 34 41.0 (J2000) Spatial mode : Flux integrated from map Notes : From new raw data Qualifiers :
No. 15 Reference Code : 2005ApJ...618..108B Freq. targeted : 8.6 GHz (VLA) Measurement : 445.0 milliJy = 4.45E-27 W m^-2^ Hz^-1^ Uncertainty : milliJy = 0.00E+00 Significance : no uncertainty reported Freq or Vel. : 8.48 GHz (OBS )= 8.48E+09 Hz Frequency mode : Broad-band measurement Coord. targeted: 02 37 13.71 -02 47 32.8 (B1950) Spatial mode : Flux integrated from map Notes : Averaged new and previously published data Qualifiers :
No. 16 Reference Code : 2004ApJ...609..564S Freq. targeted : 8.4 GHz (VLA) Measurement : 595.00 milliJy = 5.95E-27 W m^-2^ Hz^-1^ Uncertainty : 18.00 milliJy = 1.80E-28 Significance : uncertainty Freq or Vel. : 8.4 GHz (OBS )= 8.40E+09 Hz Frequency mode : Broad-band measurement Coord. targeted: 02 39 45.472 -02 34 40.91 (J2000) Spatial mode : From fitting to map Notes : From new raw data Qualifiers : Core flux
No. 17 Reference Code : 2007ApJS..171...61H Freq. targeted : 8.4 GHz (VLA) Measurement : 750.7 milliJy = 7.51E-27 W m^-2^ Hz^-1^ Uncertainty : milliJy = 0.00E+00 Significance : no uncertainty reported Freq or Vel. : 8.4 GHz (OBS )= 8.40E+09 Hz Frequency mode : Broad-band measurement Coord. targeted: 02 39 45.47 -02 34 41.0 (J2000) Spatial mode : Flux integrated from map Notes : From new raw data Qualifiers :
No. 18 Reference Code : 1990PKS90.C...0000W Freq. targeted : 8400 MHz Measurement : 0.73 Jy = 7.30E-27 W m^-2^ Hz^-1^ Uncertainty : Jy = 0.00E+00 Significance : no uncertainty reported Freq or Vel. : 8400 MHz (OBS )= 8.40E+09 Hz Frequency mode : Broad-band measurement Coord. targeted: 02 37 13.7 -02 47 33 (B1950) Spatial mode : Integrated from scans Notes : Homogenized from new and previously published data Qualifiers :
No. 19 Reference Code : 1990PKS90.C...0000W Freq. targeted : 5000 MHz Measurement : 1.160 Jy = 1.16E-26 W m^-2^ Hz^-1^ Uncertainty : Jy = 0.00E+00 Significance : no uncertainty reported Freq or Vel. : 5000 MHz (OBS )= 5.00E+09 Hz Frequency mode : Broad-band measurement Coord. targeted: 02 37 13.7 -02 47 33 (B1950) Spatial mode : Integrated from scans Notes : Homogenized from new and previously published data Qualifiers :
No. 20 Reference Code : 1995ApJS...97..347G Freq. targeted : 4.85 GHz Measurement : 708 milliJy = 7.08E-27 W m^-2^ Hz^-1^ Uncertainty : 38 milliJy = 3.80E-28 Significance : rms noise Freq or Vel. : 4.85 GHz (OBS )= 4.85E+09 Hz Frequency mode : Broad-band measurement Coord. targeted: 023945.2 -023446 (J2000) Spatial mode : Modelled datum Notes : From new raw data; Corrected for contaminating sources Qualifiers :
No. 21 Reference Code : 1990PKS90.C...0000W Freq. targeted : 2700 MHz Measurement : 0.680 Jy = 6.80E-27 W m^-2^ Hz^-1^ Uncertainty : Jy = 0.00E+00 Significance : no uncertainty reported Freq or Vel. : 2700 MHz (OBS )= 2.70E+09 Hz Frequency mode : Broad-band measurement Coord. targeted: 02 37 13.7 -02 47 33 (B1950) Spatial mode : Integrated from scans Notes : Homogenized from new and previously published data Qualifiers :
No. 22 Reference Code : 1990PKS90.C...0000W Freq. targeted : 1410 MHz Measurement : 0.370 Jy = 3.70E-27 W m^-2^ Hz^-1^ Uncertainty : Jy = 0.00E+00 Significance : no uncertainty reported Freq or Vel. : 1410 MHz (OBS )= 1.41E+09 Hz Frequency mode : Broad-band measurement Coord. targeted: 02 37 13.7 -02 47 33 (B1950) Spatial mode : Integrated from scans Notes : Homogenized from new and previously published data Qualifiers :
No. 23 Reference Code : 1992ApJS...79..331W Freq. targeted : 1.40 GHz Measurement : 396 milliJy = 3.96E-27 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: 023713.1 -024735 (B1950) Spatial mode : Peak flux Notes : From new raw data Qualifiers :
No. 24 Reference Code : 1998AJ....115.1693C Freq. targeted : 1.4GHz Measurement : 304.4 milliJy = 3.04E-27 W m^-2^ Hz^-1^ Uncertainty : 9.1 milliJy = 9.10E-29 Significance : uncertainty Freq or Vel. : 1.40 GHz (OBS )= 1.40E+09 Hz Frequency mode : Broad-band measurement Coord. targeted: 02 39 45.48 -02 34 41.4 (J2000) Spatial mode : Flux integrated from map Notes : From new raw data Qualifiers :
No. 25 Reference Code : 1996AJ....111.1945D Freq. targeted : 365 MHz (Texas) Measurement : 0.250 Jy = 2.50E-27 W m^-2^ Hz^-1^ Uncertainty : 0.022 Jy = 2.20E-28 Significance : internal error Freq or Vel. : 365 MHz (OBS )= 3.65E+08 Hz Frequency mode : Broad-band measurement; obtained by interpolation over frequency Coord. targeted: 023713.432 -024733.62 (B1950) Spatial mode : Integrated from scans Notes : From new raw data Qualifiers : Model:P;MFlag:+;EFlag:+;LFlag:C.

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