NASA/IPAC EXTRAGALACTIC DATABASE
Date and Time of the Query: 2019-04-21 T03:51:32 PDT
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Spectral Energy Distribution (SED) for NGC 6835:

27 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 U (U_T) 13.59 +/- 0.13 mag 8.19E+14 6.63E-03 +/- 8.54E-04 Jy Broad-band 1991RC3.9.C...0000d 1
2 U (U_T^0) 12.00 ... mag 8.19E+14 2.87E-02 ... Jy Broad-band 1991RC3.9.C...0000d 2
3 B (B_T) 13.41 +/- 0.13 mag 6.81E+14 1.84E-02 +/- 2.34E-03 Jy Broad-band 1991RC3.9.C...0000d 3
4 B (m_B) 13.13 +/- 0.18 mag 6.81E+14 2.39E-02 +/- 4.30E-03 Jy Broad-band 1991RC3.9.C...0000d 4
5 B (B_T^0) 12.04 ... mag 6.81E+14 6.51E-02 ... Jy Broad-band 1991RC3.9.C...0000d 5
6 B_J 13.2901 ... mag 6.41E+14 1.91E-02 ... Jy Broad-band 2005MNRAS.361...34D 6
7 V (Johnson) 13.41 +/- 0.02 mag 5.42E+14 1.57E-02 +/- 2.93E-04 Jy Broad-band 29.8" aperture 1978ApJ...223..707S 7
8 V (V_T^0) 11.49 ... mag 5.42E+14 9.23E-02 ... Jy Broad-band 1991RC3.9.C...0000d 8
9 V (V_T) 12.54 +/- 0.13 mag 5.42E+14 3.51E-02 +/- 4.52E-03 Jy Broad-band 1991RC3.9.C...0000d 9
10 R 13.2651 ... mag 4.68E+14 1.52E-02 ... Jy Broad-band 2005MNRAS.361...34D 10
11 I 12.7294 ... mag 3.79E+14 2.06E-02 ... Jy Broad-band 2005MNRAS.361...34D 11
12 12 microns (IRAS) 0.65 +/- 0.024 Jy 2.50E+13 6.50E-01 +/- 2.40E-02 Jy Broad-band Size, Method, Flag codes: RIg;see paper 2003AJ....126.1607S 12
13 12 microns (IRAS) 4.742E-01 +/- 7 % Jy 2.50E+13 4.74E-01 +/- 3.32E-02 Jy Broad-band IRAS quality flag = 3 1990IRASF.C...0000M 13
14 25 microns (IRAS) 1.37 +/- 0.042 Jy 1.20E+13 1.37E+00 +/- 4.20E-02 Jy Broad-band Size, Method, Flag codes: UTg;see paper 2003AJ....126.1607S 14
15 25 microns (IRAS) 1.533E+00 +/- 6 % Jy 1.20E+13 1.53E+00 +/- 2.84E-02 Jy Broad-band IRAS quality flag = 3 1990IRASF.C...0000M 15
16 60 microns (IRAS) 11.16 +/- 0.066 Jy 5.00E+12 1.12E+01 +/- 6.60E-02 Jy Broad-band Size, Method, Flag codes: UTg;see paper 2003AJ....126.1607S 16
17 60 microns (IRAS) 1.131E+01 +/- 4 % Jy 5.00E+12 1.13E+01 +/- 4.52E-01 Jy Broad-band IRAS quality flag = 2 1990IRASF.C...0000M 17
18 100 microns (IRAS) 16.82 +/- 0.175 Jy 3.00E+12 1.68E+01 +/- 1.75E-01 Jy Broad-band Size, Method, Flag codes: UPg;see paper 2003AJ....126.1607S 18
19 100 microns (IRAS) 1.671E+01 +/- 5 % Jy 3.00E+12 1.67E+01 +/- 8.36E-01 Jy Broad-band IRAS quality flag = 2 1990IRASF.C...0000M 19
20 1.425 GHz (VLA) 52.4 ... milliJy 1.43E+09 5.24E-02 ... Jy Broad-band Beamwidth = 18" 1996ApJS..103...81C 20
21 1.425 GHz (VLA) 49.4 ... milliJy 1.43E+09 4.94E-02 ... Jy Broad-band Beamwidth = 18" 1996ApJS..103...81C 21
22 HI (21 cm line) 14.04 +/- 0.20 m_21 mag 1.42E+09 1.06E+05 +/- 2.14E+04 Jy-Hz Line m_21 equiv. to S(HI) = 1.057E-21 W m^-2 1991RC3.9.C...0000d 22
23 HI 21 cm line 18.92 ... Jy km s^-1^ 1.42E+09 8.91E+04 ... Jy-Hz Line 2005ApJS..160..149S 23
24 HI 21 cm line 23.22 +/- 2.43 Jy km s^-1^ 1.42E+09 1.09E+05 +/- 1.15E+04 Jy-Hz Line Self-absorption corrected line flux 2005ApJS..160..149S 24
25 HI 21 cm line 19.47 ... Jy km s^-1^ 1.42E+09 9.17E+04 ... Jy-Hz Line Corrected line flux 2005ApJS..160..149S 25
26 HI (21 cm line) 13.40 +/- 1.00 Jy km s^-1^ 1.42E+09 6.29E+04 +/- 4.70E+03 Jy-Hz Line 1989H&RHI.C...0000H 26
27 1.4GHz 54.2 +/- 2.0 milliJy 1.40E+09 5.42E-02 +/- 2.00E-03 Jy Broad-band High peak 1998AJ....115.1693C 27


Detailed Information for Each Entry

 No. 1
Reference Code : 1991RC3.9.C...0000d
Freq. targeted : U (U_T)             
Measurement    :  13.59       mag                  = 6.63E-29 W m^-2^ Hz^-1^
Uncertainty    :  0.13        mag                  = 8.54E-30
Significance   : rms uncertainty
Freq or Vel.   : 3660         A            (OBS   )= 8.19E+14 Hz
Frequency mode : Broad-band measurement
Coord. targeted: 195146.1        -124157 (B1950)
Spatial mode   : From multi-aperture data
Notes          : Homogenized from new and previously published data; Standard
                 Johnson UBVRI filters assumed
Qualifiers     :                                         

No. 2 Reference Code : 1991RC3.9.C...0000d Freq. targeted : U (U_T^0) Measurement : 12.00 mag = 2.87E-28 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: 195146.1 -124157 (B1950) Spatial mode : From multi-aperture data 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 : 1991RC3.9.C...0000d Freq. targeted : B (B_T) Measurement : 13.41 mag = 1.84E-28 W m^-2^ Hz^-1^ Uncertainty : 0.13 mag = 2.34E-29 Significance : rms uncertainty Freq or Vel. : 4400 A (OBS )= 6.81E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 195146.1 -124157 (B1950) Spatial mode : From multi-aperture data 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) Measurement : 13.13 mag = 2.39E-28 W m^-2^ Hz^-1^ Uncertainty : 0.18 mag = 4.30E-29 Significance : rms uncertainty Freq or Vel. : 4400 A (OBS )= 6.81E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 195146.1 -124157 (B1950) Spatial mode : Multiple methods Notes : Homogenized from new and previously published data; Standard Johnson UBVRI filters assumed Qualifiers :
No. 5 Reference Code : 1991RC3.9.C...0000d Freq. targeted : B (B_T^0) Measurement : 12.04 mag = 6.51E-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: 195146.1 -124157 (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. 6 Reference Code : 2005MNRAS.361...34D Freq. targeted : B_J Measurement : 13.2901 mag = 1.91E-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: 195433.0 -123403.4 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers :
No. 7 Reference Code : 1978ApJ...223..707S Freq. targeted : V (Johnson) Measurement : 13.41 mag = 1.57E-28 W m^-2^ Hz^-1^ Uncertainty : 0.02 mag = 2.93E-30 Significance : uncertainty Freq or Vel. : 5530 A (OBS )= 5.42E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : 29.8" aperture
No. 8 Reference Code : 1991RC3.9.C...0000d Freq. targeted : V (V_T^0) Measurement : 11.49 mag = 9.23E-28 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: 195146.1 -124157 (B1950) Spatial mode : From multi-aperture data 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. 9 Reference Code : 1991RC3.9.C...0000d Freq. targeted : V (V_T) Measurement : 12.54 mag = 3.51E-28 W m^-2^ Hz^-1^ Uncertainty : 0.13 mag = 4.52E-29 Significance : rms uncertainty Freq or Vel. : 5530 A (OBS )= 5.42E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 195146.1 -124157 (B1950) Spatial mode : From multi-aperture data Notes : Homogenized from new and previously published data; Standard Johnson UBVRI filters assumed Qualifiers :
No. 10 Reference Code : 2005MNRAS.361...34D Freq. targeted : R Measurement : 13.2651 mag = 1.52E-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: 195433.0 -123403.4 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers :
No. 11 Reference Code : 2005MNRAS.361...34D Freq. targeted : I Measurement : 12.7294 mag = 2.06E-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: 195433.0 -123403.4 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers :
No. 12 Reference Code : 2003AJ....126.1607S Freq. targeted : 12 microns (IRAS) Measurement : 0.65 Jy = 6.50E-27 W m^-2^ Hz^-1^ Uncertainty : 0.024 Jy = 2.40E-28 Significance : 1 sigma Freq or Vel. : 12 microns (OBS )= 2.50E+13 Hz Frequency mode : Broad-band measurement Coord. targeted: 19 54 33.5 -12 34 02 (J2000) Spatial mode : Total flux Notes : From reprocessed raw data Qualifiers : Size, Method, Flag codes: RIg;see paper
No. 13 Reference Code : 1990IRASF.C...0000M Freq. targeted : 12 microns (IRAS) Measurement : 4.742E-01 Jy = 4.74E-27 W m^-2^ Hz^-1^ Uncertainty : 7 % Jy = 3.32E-28 Significance : uncertainty Freq or Vel. : 12 microns (OBS )= 2.50E+13 Hz Frequency mode : Broad-band measurement Coord. targeted: 195146.5 -124157 (B1950) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : IRAS quality flag = 3
No. 14 Reference Code : 2003AJ....126.1607S Freq. targeted : 25 microns (IRAS) Measurement : 1.37 Jy = 1.37E-26 W m^-2^ Hz^-1^ Uncertainty : 0.042 Jy = 4.20E-28 Significance : 1 sigma Freq or Vel. : 25 microns (OBS )= 1.20E+13 Hz Frequency mode : Broad-band measurement Coord. targeted: 19 54 33.5 -12 34 02 (J2000) Spatial mode : Total flux Notes : From reprocessed raw data Qualifiers : Size, Method, Flag codes: UTg;see paper
No. 15 Reference Code : 1990IRASF.C...0000M Freq. targeted : 25 microns (IRAS) Measurement : 1.533E+00 Jy = 1.53E-26 W m^-2^ Hz^-1^ Uncertainty : 6 % Jy = 2.84E-28 Significance : uncertainty Freq or Vel. : 25 microns (OBS )= 1.20E+13 Hz Frequency mode : Broad-band measurement Coord. targeted: 195146.5 -124157 (B1950) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : IRAS quality flag = 3
No. 16 Reference Code : 2003AJ....126.1607S Freq. targeted : 60 microns (IRAS) Measurement : 11.16 Jy = 1.12E-25 W m^-2^ Hz^-1^ Uncertainty : 0.066 Jy = 6.60E-28 Significance : 1 sigma Freq or Vel. : 60 microns (OBS )= 5.00E+12 Hz Frequency mode : Broad-band measurement Coord. targeted: 19 54 33.5 -12 34 02 (J2000) Spatial mode : Total flux Notes : From reprocessed raw data Qualifiers : Size, Method, Flag codes: UTg;see paper
No. 17 Reference Code : 1990IRASF.C...0000M Freq. targeted : 60 microns (IRAS) Measurement : 1.131E+01 Jy = 1.13E-25 W m^-2^ Hz^-1^ Uncertainty : 4 % Jy = 4.52E-27 Significance : uncertainty Freq or Vel. : 60 microns (OBS )= 5.00E+12 Hz Frequency mode : Broad-band measurement Coord. targeted: 195146.5 -124157 (B1950) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : IRAS quality flag = 2
No. 18 Reference Code : 2003AJ....126.1607S Freq. targeted : 100 microns (IRAS) Measurement : 16.82 Jy = 1.68E-25 W m^-2^ Hz^-1^ Uncertainty : 0.175 Jy = 1.75E-27 Significance : 1 sigma Freq or Vel. : 100 microns (OBS )= 3.00E+12 Hz Frequency mode : Broad-band measurement Coord. targeted: 19 54 33.5 -12 34 02 (J2000) Spatial mode : Total flux Notes : From reprocessed raw data Qualifiers : Size, Method, Flag codes: UPg;see paper
No. 19 Reference Code : 1990IRASF.C...0000M Freq. targeted : 100 microns (IRAS) Measurement : 1.671E+01 Jy = 1.67E-25 W m^-2^ Hz^-1^ Uncertainty : 5 % Jy = 8.36E-27 Significance : uncertainty Freq or Vel. : 100 microns (OBS )= 3.00E+12 Hz Frequency mode : Broad-band measurement Coord. targeted: 195146.5 -124157 (B1950) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : IRAS quality flag = 2
No. 20 Reference Code : 1996ApJS..103...81C Freq. targeted : 1.425 GHz (VLA) Measurement : 52.4 milliJy = 5.24E-28 W m^-2^ Hz^-1^ Uncertainty : milliJy = 0.00E+00 Significance : no uncertainty reported Freq or Vel. : 1.425 GHz (OBS )= 1.43E+09 Hz Frequency mode : Broad-band measurement Coord. targeted: 195145.9 -124200 (B1950) Spatial mode : Total flux Notes : From new raw data Qualifiers : Beamwidth = 18"
No. 21 Reference Code : 1996ApJS..103...81C Freq. targeted : 1.425 GHz (VLA) Measurement : 49.4 milliJy = 4.94E-28 W m^-2^ Hz^-1^ Uncertainty : milliJy = 0.00E+00 Significance : no uncertainty reported Freq or Vel. : 1.425 GHz (OBS )= 1.43E+09 Hz Frequency mode : Broad-band measurement Coord. targeted: 195145.9 -124159 (B1950) Spatial mode : Flux integrated from map Notes : From new raw data Qualifiers : Beamwidth = 18"
No. 22 Reference Code : 1991RC3.9.C...0000d Freq. targeted : HI (21 cm line) Measurement : 14.04 m_21 mag = 1.06E-21 W m^-2^ Uncertainty : 0.20 m_21 mag = 2.14E-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: 195146.1 -124157 (B1950) Spatial mode : Multiple methods Notes : Homogenized from new and previously published data Qualifiers : m_21 equiv. to S(HI) = 1.057E-21 W m^-2
No. 23 Reference Code : 2005ApJS..160..149S Freq. targeted : HI 21 cm line Measurement : 18.92 Jy km s^-1^ = 8.91E-22 W m^-2^ Uncertainty : Jy km s^-1^ = 0.00E+00 Significance : no uncertainty reported Freq or Vel. : 1623 km s^-1^ (REST )= 1.42E+09 Hz Frequency mode : Line measurement; flux integrated over line; lines measured in emission Coord. targeted: 19 54 33.1 -12 34 09 (J2000) Spatial mode : Flux integrated from map Notes : From new raw data Qualifiers :
No. 24 Reference Code : 2005ApJS..160..149S Freq. targeted : HI 21 cm line Measurement : 23.22 Jy km s^-1^ = 1.09E-21 W m^-2^ Uncertainty : 2.43 Jy km s^-1^ = 1.15E-22 Significance : uncertainty Freq or Vel. : 1623 km s^-1^ (REST )= 1.42E+09 Hz Frequency mode : Line measurement; flux integrated over line; lines measured in emission Coord. targeted: 19 54 33.1 -12 34 09 (J2000) Spatial mode : Flux integrated from map Notes : From new raw data Qualifiers : Self-absorption corrected line flux
No. 25 Reference Code : 2005ApJS..160..149S Freq. targeted : HI 21 cm line Measurement : 19.47 Jy km s^-1^ = 9.17E-22 W m^-2^ Uncertainty : Jy km s^-1^ = 0.00E+00 Significance : no uncertainty reported Freq or Vel. : 1623 km s^-1^ (REST )= 1.42E+09 Hz Frequency mode : Line measurement; flux integrated over line; lines measured in emission Coord. targeted: 19 54 33.1 -12 34 09 (J2000) Spatial mode : Flux integrated from map Notes : From new raw data Qualifiers : Corrected line flux
No. 26 Reference Code : 1989H&RHI.C...0000H Freq. targeted : HI (21 cm line) Measurement : 13.40 Jy km s^-1^ = 6.29E-22 W m^-2^ Uncertainty : 1.00 Jy km s^-1^ = 4.70E-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: 195145.4 -124145. (B1950) Spatial mode : Not reported in paper Notes : Transformed from previously published data Qualifiers :
No. 27 Reference Code : 1998AJ....115.1693C Freq. targeted : 1.4GHz Measurement : 54.2 milliJy = 5.42E-28 W m^-2^ Hz^-1^ Uncertainty : 2.0 milliJy = 2.00E-29 Significance : uncertainty Freq or Vel. : 1.40 GHz (OBS )= 1.40E+09 Hz Frequency mode : Broad-band measurement Coord. targeted: 19 54 32.95 -12 34 2.0 (J2000) Spatial mode : Flux integrated from map Notes : From new raw data Qualifiers : High peak

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