NASA/IPAC EXTRAGALACTIC DATABASE
Date and Time of the Query: 2019-05-22 T04:23:33 PDT
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Spectral Energy Distribution (SED) for NGC 2308:

19 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 B (m_B) 14.10 +/- 0.20 mag 6.81E+14 9.76E-03 +/- 1.97E-03 Jy Broad-band 1991RC3.9.C...0000d 1
2 B (m_B^0) 13.38 ... mag 6.81E+14 1.89E-02 ... Jy Broad-band 1991RC3.9.C...0000d 2
3 m_p 14.4 +/- 0.4 mag 6.81E+14 7.40E-03 +/- 3.30E-03 Jy Broad-band 1966CGCG3.C...0000Z 3
4 J (2MASS/FLWO) 12.921 +/- 0.088 mag 2.43E+14 1.08E-02 +/- 8.77E-04 Jy Broad-band Profile-fit; Poor quality 2006AJ....131.1163S 4
5 J (2MASS/FLWO) 12.313 +/- 0.004 mag 2.43E+14 1.89E-02 +/- 6.98E-05 Jy Broad-band 4" aperture 2006AJ....131.1163S 5
6 J 10.704 +/- 0.023 mag 2.40E+14 8.32E-02 +/- 1.78E-03 Jy Broad-band 20032MASX.C.......: 6
7 J_14arcsec (2MASS) 11.813 +/- 0.007 mag 2.40E+14 3.00E-02 +/- 1.94E-04 Jy Broad-band 14.0 x 14.0 arcsec aperture. 20032MASX.C.......: 7
8 J 10.827 +/- 0.021 mag 2.40E+14 7.43E-02 +/- 1.45E-03 Jy Broad-band 72.0 x 46.1 arcsec integration area. 20032MASX.C.......: 8
9 H 9.974 +/- 0.023 mag 1.82E+14 1.05E-01 +/- 2.25E-03 Jy Broad-band 20032MASX.C.......: 9
10 H_14arcsec (2MASS) 11.079 +/- 0.007 mag 1.82E+14 3.79E-02 +/- 2.45E-04 Jy Broad-band 14.0 x 14.0 arcsec aperture. 20032MASX.C.......: 10
11 H 10.096 +/- 0.026 mag 1.82E+14 9.37E-02 +/- 2.27E-03 Jy Broad-band 72.0 x 46.1 arcsec integration area. 20032MASX.C.......: 11
12 H (2MASS/FLWO) 12.198 +/- 0.092 mag 1.80E+14 1.35E-02 +/- 1.15E-03 Jy Broad-band Profile-fit; Poor quality 2006AJ....131.1163S 12
13 H (2MASS/FLWO) 11.559 +/- 0.007 mag 1.80E+14 2.44E-02 +/- 1.57E-04 Jy Broad-band 4" aperture 2006AJ....131.1163S 13
14 K_s (2MASS/FLWO) 11.265 +/- 0.008 mag 1.39E+14 2.08E-02 +/- 1.53E-04 Jy Broad-band 4" aperture 2006AJ....131.1163S 14
15 K_s (2MASS/FLWO) 12.089 +/- 0.088 mag 1.39E+14 9.74E-03 +/- 7.89E-04 Jy Broad-band Profile-fit; Poor quality 2006AJ....131.1163S 15
16 K_s 9.661 +/- 0.030 mag 1.38E+14 9.11E-02 +/- 2.55E-03 Jy Broad-band 20032MASX.C.......: 16
17 K_s_14arcsec (2MASS) 10.768 +/- 0.009 mag 1.38E+14 3.29E-02 +/- 2.74E-04 Jy Broad-band 14.0 x 14.0 arcsec aperture. 20032MASX.C.......: 17
18 K_s 9.815 +/- 0.034 mag 1.38E+14 7.91E-02 +/- 2.52E-03 Jy Broad-band 72.0 x 46.1 arcsec integration area. 20032MASX.C.......: 18
19 HI (21 cm line) 1.6 +/- 0.8 Jy km sec^-1^ 1.42E+09 7.27E+03 +/- 3.63E+03 Jy-Hz Line 1998A&AS..130..333T 19


Detailed Information for Each Entry

 No. 1
Reference Code : 1991RC3.9.C...0000d
Freq. targeted : B (m_B)             
Measurement    :  14.10       mag                  = 9.76E-29 W m^-2^ Hz^-1^
Uncertainty    :  0.20        mag                  = 1.97E-29
Significance   : rms uncertainty
Freq or Vel.   : 4400         A            (OBS   )= 6.81E+14 Hz
Frequency mode : Broad-band measurement
Coord. targeted: 065458.8        +451646 (B1950)
Spatial mode   : Multiple methods
Notes          : Homogenized from new and previously published data; Standard
                 Johnson UBVRI filters assumed
Qualifiers     :                                         

No. 2 Reference Code : 1991RC3.9.C...0000d Freq. targeted : B (m_B^0) Measurement : 13.38 mag = 1.89E-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: 065458.8 +451646 (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. 3 Reference Code : 1966CGCG3.C...0000Z Freq. targeted : m_p Measurement : 14.4 mag = 7.40E-29 W m^-2^ Hz^-1^ Uncertainty : 0.4 mag = 3.30E-29 Significance : rms noise Freq or Vel. : 4400 A (OBS )= 6.81E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 065500.0 +451700. (B1950) Spatial mode : Estimated by eye Notes : From new raw data Qualifiers :
No. 4 Reference Code : 2006AJ....131.1163S Freq. targeted : J (2MASS/FLWO) Measurement : 12.921 mag = 1.08E-28 W m^-2^ Hz^-1^ Uncertainty : 0.088 mag = 8.77E-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; Poor quality
No. 5 Reference Code : 2006AJ....131.1163S Freq. targeted : J (2MASS/FLWO) Measurement : 12.313 mag = 1.89E-28 W m^-2^ Hz^-1^ Uncertainty : 0.004 mag = 6.98E-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. 6 Reference Code : 20032MASX.C.......: Freq. targeted : J Measurement : 10.704 mag = 8.32E-28 W m^-2^ Hz^-1^ Uncertainty : 0.023 mag = 1.78E-29 Significance : 1 sigma uncert. Freq or Vel. : 1.25 microns (OBS )= 2.40E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 065837.62 +451238.1 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers :
No. 7 Reference Code : 20032MASX.C.......: Freq. targeted : J_14arcsec (2MASS) Measurement : 11.813 mag = 3.00E-28 W m^-2^ Hz^-1^ Uncertainty : 0.007 mag = 1.94E-30 Significance : 1 sigma uncert. Freq or Vel. : 1.25 microns (OBS )= 2.40E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 065837.62 +451238.1 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : 14.0 x 14.0 arcsec aperture.
No. 8 Reference Code : 20032MASX.C.......: Freq. targeted : J Measurement : 10.827 mag = 7.43E-28 W m^-2^ Hz^-1^ Uncertainty : 0.021 mag = 1.45E-29 Significance : 1 sigma uncert. Freq or Vel. : 1.25 microns (OBS )= 2.40E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 065837.62 +451238.1 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data; Corrected for contaminating sources Qualifiers : 72.0 x 46.1 arcsec integration area.
No. 9 Reference Code : 20032MASX.C.......: Freq. targeted : H Measurement : 9.974 mag = 1.05E-27 W m^-2^ Hz^-1^ Uncertainty : 0.023 mag = 2.25E-29 Significance : 1 sigma uncert. Freq or Vel. : 1.65 microns (OBS )= 1.82E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 065837.62 +451238.1 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers :
No. 10 Reference Code : 20032MASX.C.......: Freq. targeted : H_14arcsec (2MASS) Measurement : 11.079 mag = 3.79E-28 W m^-2^ Hz^-1^ Uncertainty : 0.007 mag = 2.45E-30 Significance : 1 sigma uncert. Freq or Vel. : 1.65 microns (OBS )= 1.82E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 065837.62 +451238.1 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : 14.0 x 14.0 arcsec aperture.
No. 11 Reference Code : 20032MASX.C.......: Freq. targeted : H Measurement : 10.096 mag = 9.37E-28 W m^-2^ Hz^-1^ Uncertainty : 0.026 mag = 2.27E-29 Significance : 1 sigma uncert. Freq or Vel. : 1.65 microns (OBS )= 1.82E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 065837.62 +451238.1 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data; Corrected for contaminating sources Qualifiers : 72.0 x 46.1 arcsec integration area.
No. 12 Reference Code : 2006AJ....131.1163S Freq. targeted : H (2MASS/FLWO) Measurement : 12.198 mag = 1.35E-28 W m^-2^ Hz^-1^ Uncertainty : 0.092 mag = 1.15E-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. 13 Reference Code : 2006AJ....131.1163S Freq. targeted : H (2MASS/FLWO) Measurement : 11.559 mag = 2.44E-28 W m^-2^ Hz^-1^ Uncertainty : 0.007 mag = 1.57E-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. 14 Reference Code : 2006AJ....131.1163S Freq. targeted : K_s (2MASS/FLWO) Measurement : 11.265 mag = 2.08E-28 W m^-2^ Hz^-1^ Uncertainty : 0.008 mag = 1.53E-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. 15 Reference Code : 2006AJ....131.1163S Freq. targeted : K_s (2MASS/FLWO) Measurement : 12.089 mag = 9.74E-29 W m^-2^ Hz^-1^ Uncertainty : 0.088 mag = 7.89E-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; Poor quality
No. 16 Reference Code : 20032MASX.C.......: Freq. targeted : K_s Measurement : 9.661 mag = 9.11E-28 W m^-2^ Hz^-1^ Uncertainty : 0.030 mag = 2.55E-29 Significance : 1 sigma uncert. Freq or Vel. : 2.17 microns (OBS )= 1.38E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 065837.62 +451238.1 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers :
No. 17 Reference Code : 20032MASX.C.......: Freq. targeted : K_s_14arcsec (2MASS) Measurement : 10.768 mag = 3.29E-28 W m^-2^ Hz^-1^ Uncertainty : 0.009 mag = 2.74E-30 Significance : 1 sigma uncert. Freq or Vel. : 2.17 microns (OBS )= 1.38E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 065837.62 +451238.1 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : 14.0 x 14.0 arcsec aperture.
No. 18 Reference Code : 20032MASX.C.......: Freq. targeted : K_s Measurement : 9.815 mag = 7.91E-28 W m^-2^ Hz^-1^ Uncertainty : 0.034 mag = 2.52E-29 Significance : 1 sigma uncert. Freq or Vel. : 2.17 microns (OBS )= 1.38E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 065837.62 +451238.1 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data; Corrected for contaminating sources Qualifiers : 72.0 x 46.1 arcsec integration area.
No. 19 Reference Code : 1998A&AS..130..333T Freq. targeted : HI (21 cm line) Measurement : 1.6 Jy km sec^-1^ = 7.27E-23 W m^-2^ Uncertainty : 0.8 Jy km sec^-1^ = 3.63E-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: 065458. +451646. (B1950) Spatial mode : Integrated from scans; Beam filling or dilution corrected Notes : From new raw data Qualifiers :

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