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Date and Time of the Query: 2019-02-21 T03:07:29 PST
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Spectral Energy Distribution (SED) for NGC 2550A:

32 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 15.50 +/- 0.01 mag 1.98E+15 2.29E-03 +/- 2.11E-05 Jy Broad-band 2007ApJS..173..185G 1
2 FUV (GALEX) AB 15.37 ... mag 1.98E+15 2.58E-03 ... Jy Broad-band 2007ApJS..173..404B 2
3 FUV (GALEX) AB 15.37 ... mag 1.98E+15 2.58E-03 ... Jy Broad-band 2007ApJS..173..404B 3
4 NUV (GALEX) AB 15.15 +/- 0.01 mag 1.32E+15 3.16E-03 +/- 2.91E-05 Jy Broad-band 2007ApJS..173..185G 4
5 B (m_B) 13.44 +/- 0.18 mag 6.81E+14 1.79E-02 +/- 3.23E-03 Jy Broad-band 1991RC3.9.C...0000d 5
6 B (m_B^0) 13.26 ... mag 6.81E+14 2.12E-02 ... Jy Broad-band 1991RC3.9.C...0000d 6
7 m_p 13.5 +/- 0.4 mag 6.81E+14 1.70E-02 +/- 7.55E-03 Jy Broad-band 1968CGCG4.C...0000Z 7
8 J (2MASS/FLWO) 14.198 +/- 0.03 mag 2.43E+14 3.34E-03 +/- 9.22E-05 Jy Broad-band 4" aperture 2006AJ....131.1163S 8
9 J (2MASS/FLWO) 14.822 +/- 0.08 mag 2.43E+14 1.88E-03 +/- 1.38E-04 Jy Broad-band Profile-fit 2006AJ....131.1163S 9
10 J 10.951 +/- 0.048 mag 2.40E+14 6.63E-02 +/- 3.00E-03 Jy Broad-band 20032MASX.C.......: 10
11 J_14arcsec (2MASS) 13.270 +/- 0.030 mag 2.40E+14 7.83E-03 +/- 2.19E-04 Jy Broad-band 14.0 x 14.0 arcsec aperture. 20032MASX.C.......: 11
12 J 11.324 +/- 0.039 mag 2.40E+14 4.70E-02 +/- 1.72E-03 Jy Broad-band 62.0 x 53.3 arcsec integration area. 20032MASX.C.......: 12
13 H 10.656 +/- 0.060 mag 1.82E+14 5.60E-02 +/- 3.18E-03 Jy Broad-band 62.0 x 53.3 arcsec integration area. 20032MASX.C.......: 13
14 H 10.320 +/- 0.068 mag 1.82E+14 7.63E-02 +/- 4.93E-03 Jy Broad-band 20032MASX.C.......: 14
15 H_14arcsec (2MASS) 12.590 +/- 0.040 mag 1.82E+14 9.43E-03 +/- 3.54E-04 Jy Broad-band 14.0 x 14.0 arcsec aperture. 20032MASX.C.......: 15
16 H (2MASS/FLWO) 14.141 +/- 0.096 mag 1.80E+14 2.26E-03 +/- 2.00E-04 Jy Broad-band Profile-fit 2006AJ....131.1163S 16
17 H (2MASS/FLWO) 13.512 +/- 0.03 mag 1.80E+14 4.03E-03 +/- 1.11E-04 Jy Broad-band 4" aperture 2006AJ....131.1163S 17
18 K_s (2MASS/FLWO) 13.532 +/- 0.069 mag 1.39E+14 2.58E-03 +/- 1.64E-04 Jy Broad-band Profile-fit 2006AJ....131.1163S 18
19 K_s (2MASS/FLWO) 13.014 +/- 0.047 mag 1.39E+14 4.15E-03 +/- 1.80E-04 Jy Broad-band 4" aperture 2006AJ....131.1163S 19
20 K_s 10.399 +/- 0.069 mag 1.38E+14 4.62E-02 +/- 3.03E-03 Jy Broad-band 62.0 x 53.3 arcsec integration area. 20032MASX.C.......: 20
21 K_s 10.046 +/- 0.075 mag 1.38E+14 6.39E-02 +/- 4.57E-03 Jy Broad-band 20032MASX.C.......: 21
22 K_s_14arcsec (2MASS) 12.203 +/- 0.040 mag 1.38E+14 8.77E-03 +/- 3.29E-04 Jy Broad-band 14.0 x 14.0 arcsec aperture. 20032MASX.C.......: 22
23 12 microns (IRAS) 1.004E-01 +/- 24 % Jy 2.50E+13 1.00E-01 +/- 2.41E-02 Jy Broad-band IRAS quality flag = 2 1990IRASF.C...0000M 23
24 25 microns (IRAS) 1.028E-01 +/- 21 % Jy 1.20E+13 1.03E-01 +/- 2.11E-02 Jy Broad-band IRAS quality flag = 2 1990IRASF.C...0000M 24
25 60 microns (IRAS) 8.486E-01 +/- 6 % Jy 5.00E+12 8.49E-01 +/- 5.09E-02 Jy Broad-band IRAS quality flag = 3 1990IRASF.C...0000M 25
26 100 microns (IRAS) 3.179E+00 +/- 6 % Jy 3.00E+12 3.18E+00 +/- 1.91E-01 Jy Broad-band IRAS quality flag = 2 1990IRASF.C...0000M 26
27 HI 21 cm line 9.32 ... Jy km s^-1^ 1.42E+09 4.36E+04 ... Jy-Hz Line Corrected line flux 2005ApJS..160..149S 27
28 HI 21 cm line 9.54 +/- 1.02 Jy km s^-1^ 1.42E+09 4.46E+04 +/- 4.77E+03 Jy-Hz Line Self-absorption corrected line flux 2005ApJS..160..149S 28
29 HI 21 cm line 9.13 ... Jy km s^-1^ 1.42E+09 4.27E+04 ... Jy-Hz Line 2005ApJS..160..149S 29
30 HI (21 cm line) 7.3 +/- 1.1 Jy km sec^-1^ 1.42E+09 3.36E+04 +/- 5.06E+03 Jy-Hz Line 1998A&AS..130..333T 30
31 1.4 GHz (VLA) 6.3 ... milliJy 1.40E+09 6.30E-03 ... Jy Broad-band 2002AJ....124..675C 31
32 1.4GHz 10.9 +/- 2.5 milliJy 1.40E+09 1.09E-02 +/- 2.50E-03 Jy Broad-band 1998AJ....115.1693C 32


Detailed Information for Each Entry

 No. 1
Reference Code : 2007ApJS..173..185G
Freq. targeted : FUV (GALEX) AB      
Measurement    :  15.50        mag                 = 2.29E-29 W m^-2^ Hz^-1^
Uncertainty    :  0.01         mag                 = 2.11E-31
Significance   : uncertainty
Freq or Vel.   :       1516   A            (OBS   )= 1.98E+15 Hz
Frequency mode : Broad-band measurement
Coord. targeted: 08 28 39.9      +73 44 52.8 (J2000)
Spatial mode   : Total flux
Notes          : From new raw data
Qualifiers     :                                         

No. 2 Reference Code : 2007ApJS..173..404B Freq. targeted : FUV (GALEX) AB Measurement : 15.37 mag = 2.58E-29 W m^-2^ Hz^-1^ Uncertainty : mag = 0.00E+00 Significance : no uncertainty reported Freq or Vel. : 1516 A (OBS )= 1.98E+15 Hz Frequency mode : Broad-band measurement Coord. targeted: Spatial mode : Flux in fixed aperture Notes : From reprocessed raw data; Extinction-corrected for Milky Way Qualifiers :
No. 3 Reference Code : 2007ApJS..173..404B Freq. targeted : FUV (GALEX) AB Measurement : 15.37 mag = 2.58E-29 W m^-2^ Hz^-1^ Uncertainty : mag = 0.00E+00 Significance : no uncertainty reported Freq or Vel. : 1516 A (OBS )= 1.98E+15 Hz Frequency mode : Broad-band measurement Coord. targeted: Spatial mode : Flux in fixed aperture Notes : From reprocessed raw data; Extinction-corrected for Milky Way Qualifiers :
No. 4 Reference Code : 2007ApJS..173..185G Freq. targeted : NUV (GALEX) AB Measurement : 15.15 mag = 3.16E-29 W m^-2^ Hz^-1^ Uncertainty : 0.01 mag = 2.91E-31 Significance : uncertainty Freq or Vel. : 2267 A (OBS )= 1.32E+15 Hz Frequency mode : Broad-band measurement Coord. targeted: 08 28 39.9 +73 44 52.8 (J2000) Spatial mode : Total flux Notes : From new raw data Qualifiers :
No. 5 Reference Code : 1991RC3.9.C...0000d Freq. targeted : B (m_B) Measurement : 13.44 mag = 1.79E-28 W m^-2^ Hz^-1^ Uncertainty : 0.18 mag = 3.23E-29 Significance : rms uncertainty Freq or Vel. : 4400 A (OBS )= 6.81E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 082259.0 +735453 (B1950) Spatial mode : Multiple methods Notes : Homogenized from new and previously published data; Standard Johnson UBVRI filters assumed Qualifiers :
No. 6 Reference Code : 1991RC3.9.C...0000d Freq. targeted : B (m_B^0) Measurement : 13.26 mag = 2.12E-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: 082259.0 +735453 (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 : 1968CGCG4.C...0000Z Freq. targeted : m_p Measurement : 13.5 mag = 1.70E-28 W m^-2^ Hz^-1^ Uncertainty : 0.4 mag = 7.55E-29 Significance : rms noise Freq or Vel. : 4400 A (OBS )= 6.81E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 082300.0 +735500. (B1950) Spatial mode : Estimated by eye Notes : From new raw data Qualifiers :
No. 8 Reference Code : 2006AJ....131.1163S Freq. targeted : J (2MASS/FLWO) Measurement : 14.198 mag = 3.34E-29 W m^-2^ Hz^-1^ Uncertainty : 0.03 mag = 9.22E-31 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. 9 Reference Code : 2006AJ....131.1163S Freq. targeted : J (2MASS/FLWO) Measurement : 14.822 mag = 1.88E-29 W m^-2^ Hz^-1^ Uncertainty : 0.08 mag = 1.38E-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. 10 Reference Code : 20032MASX.C.......: Freq. targeted : J Measurement : 10.951 mag = 6.63E-28 W m^-2^ Hz^-1^ Uncertainty : 0.048 mag = 3.00E-29 Significance : 1 sigma uncert. Freq or Vel. : 1.25 microns (OBS )= 2.40E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 082839.94 +734452.8 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers :
No. 11 Reference Code : 20032MASX.C.......: Freq. targeted : J_14arcsec (2MASS) Measurement : 13.270 mag = 7.83E-29 W m^-2^ Hz^-1^ Uncertainty : 0.030 mag = 2.19E-30 Significance : 1 sigma uncert. Freq or Vel. : 1.25 microns (OBS )= 2.40E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 082839.94 +734452.8 (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 : J Measurement : 11.324 mag = 4.70E-28 W m^-2^ Hz^-1^ Uncertainty : 0.039 mag = 1.72E-29 Significance : 1 sigma uncert. Freq or Vel. : 1.25 microns (OBS )= 2.40E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 082839.94 +734452.8 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : 62.0 x 53.3 arcsec integration area.
No. 13 Reference Code : 20032MASX.C.......: Freq. targeted : H Measurement : 10.656 mag = 5.60E-28 W m^-2^ Hz^-1^ Uncertainty : 0.060 mag = 3.18E-29 Significance : 1 sigma uncert. Freq or Vel. : 1.65 microns (OBS )= 1.82E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 082839.94 +734452.8 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : 62.0 x 53.3 arcsec integration area.
No. 14 Reference Code : 20032MASX.C.......: Freq. targeted : H Measurement : 10.320 mag = 7.63E-28 W m^-2^ Hz^-1^ Uncertainty : 0.068 mag = 4.93E-29 Significance : 1 sigma uncert. Freq or Vel. : 1.65 microns (OBS )= 1.82E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 082839.94 +734452.8 (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 : 12.590 mag = 9.43E-29 W m^-2^ Hz^-1^ Uncertainty : 0.040 mag = 3.54E-30 Significance : 1 sigma uncert. Freq or Vel. : 1.65 microns (OBS )= 1.82E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 082839.94 +734452.8 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : 14.0 x 14.0 arcsec aperture.
No. 16 Reference Code : 2006AJ....131.1163S Freq. targeted : H (2MASS/FLWO) Measurement : 14.141 mag = 2.26E-29 W m^-2^ Hz^-1^ Uncertainty : 0.096 mag = 2.00E-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. 17 Reference Code : 2006AJ....131.1163S Freq. targeted : H (2MASS/FLWO) Measurement : 13.512 mag = 4.03E-29 W m^-2^ Hz^-1^ Uncertainty : 0.03 mag = 1.11E-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. 18 Reference Code : 2006AJ....131.1163S Freq. targeted : K_s (2MASS/FLWO) Measurement : 13.532 mag = 2.58E-29 W m^-2^ Hz^-1^ Uncertainty : 0.069 mag = 1.64E-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. 19 Reference Code : 2006AJ....131.1163S Freq. targeted : K_s (2MASS/FLWO) Measurement : 13.014 mag = 4.15E-29 W m^-2^ Hz^-1^ Uncertainty : 0.047 mag = 1.80E-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. 20 Reference Code : 20032MASX.C.......: Freq. targeted : K_s Measurement : 10.399 mag = 4.62E-28 W m^-2^ Hz^-1^ Uncertainty : 0.069 mag = 3.03E-29 Significance : 1 sigma uncert. Freq or Vel. : 2.17 microns (OBS )= 1.38E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 082839.94 +734452.8 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : 62.0 x 53.3 arcsec integration area.
No. 21 Reference Code : 20032MASX.C.......: Freq. targeted : K_s Measurement : 10.046 mag = 6.39E-28 W m^-2^ Hz^-1^ Uncertainty : 0.075 mag = 4.57E-29 Significance : 1 sigma uncert. Freq or Vel. : 2.17 microns (OBS )= 1.38E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 082839.94 +734452.8 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers :
No. 22 Reference Code : 20032MASX.C.......: Freq. targeted : K_s_14arcsec (2MASS) Measurement : 12.203 mag = 8.77E-29 W m^-2^ Hz^-1^ Uncertainty : 0.040 mag = 3.29E-30 Significance : 1 sigma uncert. Freq or Vel. : 2.17 microns (OBS )= 1.38E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 082839.94 +734452.8 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : 14.0 x 14.0 arcsec aperture.
No. 23 Reference Code : 1990IRASF.C...0000M Freq. targeted : 12 microns (IRAS) Measurement : 1.004E-01 Jy = 1.00E-27 W m^-2^ Hz^-1^ Uncertainty : 24 % Jy = 2.41E-28 Significance : uncertainty Freq or Vel. : 12 microns (OBS )= 2.50E+13 Hz Frequency mode : Broad-band measurement Coord. targeted: 082304.8 +735446 (B1950) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : IRAS quality flag = 2
No. 24 Reference Code : 1990IRASF.C...0000M Freq. targeted : 25 microns (IRAS) Measurement : 1.028E-01 Jy = 1.03E-27 W m^-2^ Hz^-1^ Uncertainty : 21 % Jy = 2.11E-28 Significance : uncertainty Freq or Vel. : 25 microns (OBS )= 1.20E+13 Hz Frequency mode : Broad-band measurement Coord. targeted: 082304.8 +735446 (B1950) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : IRAS quality flag = 2
No. 25 Reference Code : 1990IRASF.C...0000M Freq. targeted : 60 microns (IRAS) Measurement : 8.486E-01 Jy = 8.49E-27 W m^-2^ Hz^-1^ Uncertainty : 6 % Jy = 5.09E-28 Significance : uncertainty Freq or Vel. : 60 microns (OBS )= 5.00E+12 Hz Frequency mode : Broad-band measurement Coord. targeted: 082304.8 +735446 (B1950) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : IRAS quality flag = 3
No. 26 Reference Code : 1990IRASF.C...0000M Freq. targeted : 100 microns (IRAS) Measurement : 3.179E+00 Jy = 3.18E-26 W m^-2^ Hz^-1^ Uncertainty : 6 % Jy = 1.91E-27 Significance : uncertainty Freq or Vel. : 100 microns (OBS )= 3.00E+12 Hz Frequency mode : Broad-band measurement Coord. targeted: 082304.8 +735446 (B1950) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : IRAS quality flag = 2
No. 27 Reference Code : 2005ApJS..160..149S Freq. targeted : HI 21 cm line Measurement : 9.32 Jy km s^-1^ = 4.36E-22 W m^-2^ Uncertainty : Jy km s^-1^ = 0.00E+00 Significance : no uncertainty reported Freq or Vel. : 3635 km s^-1^ (REST )= 1.42E+09 Hz Frequency mode : Line measurement; flux integrated over line; lines measured in emission Coord. targeted: 08 28 40.0 +73 44 53 (J2000) Spatial mode : Flux integrated from map Notes : From new raw data Qualifiers : Corrected line flux
No. 28 Reference Code : 2005ApJS..160..149S Freq. targeted : HI 21 cm line Measurement : 9.54 Jy km s^-1^ = 4.46E-22 W m^-2^ Uncertainty : 1.02 Jy km s^-1^ = 4.77E-23 Significance : uncertainty Freq or Vel. : 3635 km s^-1^ (REST )= 1.42E+09 Hz Frequency mode : Line measurement; flux integrated over line; lines measured in emission Coord. targeted: 08 28 40.0 +73 44 53 (J2000) Spatial mode : Flux integrated from map Notes : From new raw data Qualifiers : Self-absorption corrected line flux
No. 29 Reference Code : 2005ApJS..160..149S Freq. targeted : HI 21 cm line Measurement : 9.13 Jy km s^-1^ = 4.27E-22 W m^-2^ Uncertainty : Jy km s^-1^ = 0.00E+00 Significance : no uncertainty reported Freq or Vel. : 3635 km s^-1^ (REST )= 1.42E+09 Hz Frequency mode : Line measurement; flux integrated over line; lines measured in emission Coord. targeted: 08 28 40.0 +73 44 53 (J2000) Spatial mode : Flux integrated from map Notes : From new raw data Qualifiers :
No. 30 Reference Code : 1998A&AS..130..333T Freq. targeted : HI (21 cm line) Measurement : 7.3 Jy km sec^-1^ = 3.36E-22 W m^-2^ Uncertainty : 1.1 Jy km sec^-1^ = 5.06E-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: 082258. +735453. (B1950) Spatial mode : Integrated from scans; Beam filling or dilution corrected Notes : From new raw data Qualifiers :
No. 31 Reference Code : 2002AJ....124..675C Freq. targeted : 1.4 GHz (VLA) Measurement : 6.3 milliJy = 6.30E-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 :
No. 32 Reference Code : 1998AJ....115.1693C Freq. targeted : 1.4GHz Measurement : 10.9 milliJy = 1.09E-28 W m^-2^ Hz^-1^ Uncertainty : 2.5 milliJy = 2.50E-29 Significance : uncertainty Freq or Vel. : 1.40 GHz (OBS )= 1.40E+09 Hz Frequency mode : Broad-band measurement Coord. targeted: 08 28 38.25 +73 44 52.0 (J2000) Spatial mode : Flux integrated from map Notes : From new raw data Qualifiers :

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