NASA/IPAC EXTRAGALACTIC DATABASE
Date and Time of the Query: 2019-04-25 T22:42:25 PDT
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Spectral Energy Distribution (SED) for NGC 3447b:

20 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 (SDSS PSF) AB 21.893 +/- 0.265 asinh mag 8.36E+14 6.55E-06 +/- 1.62E-06 Jy Broad-band SDSS Qualifiers 2007SDSS6.C...0000: 1
2 u (SDSS CModel) AB 21.764 ... asinh mag 8.36E+14 7.38E-06 ... Jy Broad-band SDSS Qualifiers 2007SDSS6.C...0000: 2
3 u (SDSS Model) AB 21.650 +/- 0.206 asinh mag 8.36E+14 8.21E-06 +/- 1.57E-06 Jy Broad-band SDSS Qualifiers 2007SDSS6.C...0000: 3
4 g (SDSS PSF) AB 21.667 +/- 0.102 asinh mag 6.17E+14 7.81E-06 +/- 7.36E-07 Jy Broad-band SDSS Qualifiers 2007SDSS6.C...0000: 4
5 g (SDSS CModel) AB 21.486 ... asinh mag 6.17E+14 9.23E-06 ... Jy Broad-band SDSS Qualifiers 2007SDSS6.C...0000: 5
6 g (SDSS Model) AB 21.399 +/- 0.069 asinh mag 6.17E+14 1.00E-05 +/- 6.37E-07 Jy Broad-band SDSS Qualifiers 2007SDSS6.C...0000: 6
7 r (SDSS PSF) AB 21.890 +/- 0.154 asinh mag 4.77E+14 6.34E-06 +/- 9.08E-07 Jy Broad-band SDSS Qualifiers 2007SDSS6.C...0000: 7
8 r (SDSS CModel) AB 21.553 ... asinh mag 4.77E+14 8.66E-06 ... Jy Broad-band SDSS Qualifiers 2007SDSS6.C...0000: 8
9 r (SDSS Model) AB 21.553 +/- 0.110 asinh mag 4.77E+14 8.66E-06 +/- 8.82E-07 Jy Broad-band SDSS Qualifiers 2007SDSS6.C...0000: 9
10 i (SDSS CModel) AB 20.946 ... asinh mag 3.89E+14 1.52E-05 ... Jy Broad-band SDSS Qualifiers 2007SDSS6.C...0000: 10
11 i (SDSS PSF) AB 21.540 +/- 0.168 asinh mag 3.89E+14 8.74E-06 +/- 1.37E-06 Jy Broad-band SDSS Qualifiers 2007SDSS6.C...0000: 11
12 i (SDSS Model) AB 21.080 +/- 0.115 asinh mag 3.89E+14 1.34E-05 +/- 1.43E-06 Jy Broad-band SDSS Qualifiers 2007SDSS6.C...0000: 12
13 z (SDSS PSF) AB 21.449 +/- 0.455 asinh mag 3.25E+14 8.64E-06 +/- 4.24E-06 Jy Broad-band SDSS Qualifiers 2007SDSS6.C...0000: 13
14 z (SDSS CModel) AB 21.193 ... asinh mag 3.25E+14 1.13E-05 ... Jy Broad-band SDSS Qualifiers 2007SDSS6.C...0000: 14
15 z (SDSS Model) AB 21.091 +/- 0.384 asinh mag 3.25E+14 1.25E-05 +/- 4.80E-06 Jy Broad-band SDSS Qualifiers 2007SDSS6.C...0000: 15
16 2380 MHz -5. +/- 4. milliJy 2.38E+09 -5.00E-03 +/- 4.00E-03 Jy Broad-band 1978ApJS...36...53D 16
17 HI (21 cm line) 14.30 +/- 0.30 m_21 mag 1.42E+09 8.32E+04 +/- 2.65E+04 Jy-Hz Line m_21 equiv. to S(HI) = 8.318E-22 W m^-2 1991RC3.9.C...0000d 17
18 HI (21 cm line) 15.78 ... Jy km s^-1^ 1.42E+09 7.42E+04 ... Jy-Hz Line 1989H&RHI.C...0000H 18
19 HI (observed) 13.69 +/- 0.22 Jy km s^-1^ 1.42E+09 6.44E+04 +/- 1.03E+03 Jy-Hz Line 1990ApJS...72..245S 19
20 1.4 GHz (VLA) 6.8 ... milliJy 1.40E+09 6.80E-03 ... Jy Broad-band 2002AJ....124..675C 20


Detailed Information for Each Entry

 No. 1
Reference Code : 2007SDSS6.C...0000:
Freq. targeted : u (SDSS PSF) AB     
Measurement    :  21.893      asinh mag            = 6.55E-32 W m^-2^ Hz^-1^
Uncertainty    :  0.265       asinh mag            = 1.62E-32
Significance   : based on count statistics only
Freq or Vel.   : 3585         A            (OBS   )= 8.36E+14 Hz
Frequency mode : Broad-band measurement
Coord. targeted: 163.3742627148  16.7853015078 (J2000)
Spatial mode   : Modelled datum
Notes          : From new raw data
Qualifiers     : SDSS flags
                 CANONICAL_CENTER - used canonical, not local, center
                 CHILD - object is part of a blended parent object
                 BAD_RADIAL - some low S/N radial points
                 DEBLENDED_AS_PSF - child object is unresolved
                 BINNED1 - detected at >=5 sigma in original imaging frame
                 BINNED_CENTER - image was binned while centroiding
                 DEBLEND_NOPEAK - object has no detected peak

No. 2 Reference Code : 2007SDSS6.C...0000: Freq. targeted : u (SDSS CModel) AB Measurement : 21.764 asinh mag = 7.38E-32 W m^-2^ Hz^-1^ Uncertainty : asinh mag = 0.00E+00 Significance : no uncertainty reported Freq or Vel. : 3585 A (OBS )= 8.36E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 163.3742627148 16.7853015078 (J2000) Spatial mode : Modelled datum Notes : From new raw data Qualifiers : SDSS flags CANONICAL_CENTER - used canonical, not local, center CHILD - object is part of a blended parent object BAD_RADIAL - some low S/N radial points DEBLENDED_AS_PSF - child object is unresolved BINNED1 - detected at >=5 sigma in original imaging frame BINNED_CENTER - image was binned while centroiding DEBLEND_NOPEAK - object has no detected peak
No. 3 Reference Code : 2007SDSS6.C...0000: Freq. targeted : u (SDSS Model) AB Measurement : 21.650 asinh mag = 8.21E-32 W m^-2^ Hz^-1^ Uncertainty : 0.206 asinh mag = 1.57E-32 Significance : based on count statistics only Freq or Vel. : 3585 A (OBS )= 8.36E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 163.3742627148 16.7853015078 (J2000) Spatial mode : Modelled datum Notes : From new raw data Qualifiers : SDSS flags CANONICAL_CENTER - used canonical, not local, center CHILD - object is part of a blended parent object BAD_RADIAL - some low S/N radial points DEBLENDED_AS_PSF - child object is unresolved BINNED1 - detected at >=5 sigma in original imaging frame BINNED_CENTER - image was binned while centroiding DEBLEND_NOPEAK - object has no detected peak
No. 4 Reference Code : 2007SDSS6.C...0000: Freq. targeted : g (SDSS PSF) AB Measurement : 21.667 asinh mag = 7.81E-32 W m^-2^ Hz^-1^ Uncertainty : 0.102 asinh mag = 7.36E-33 Significance : based on count statistics only Freq or Vel. : 4858 A (OBS )= 6.17E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 163.3742627148 16.7853015078 (J2000) Spatial mode : Modelled datum Notes : From new raw data Qualifiers : SDSS flags CHILD - object is part of a blended parent object BAD_RADIAL - some low S/N radial points DEBLENDED_AS_PSF - child object is unresolved BINNED1 - detected at >=5 sigma in original imaging frame
No. 5 Reference Code : 2007SDSS6.C...0000: Freq. targeted : g (SDSS CModel) AB Measurement : 21.486 asinh mag = 9.23E-32 W m^-2^ Hz^-1^ Uncertainty : asinh mag = 0.00E+00 Significance : no uncertainty reported Freq or Vel. : 4858 A (OBS )= 6.17E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 163.3742627148 16.7853015078 (J2000) Spatial mode : Modelled datum Notes : From new raw data Qualifiers : SDSS flags CHILD - object is part of a blended parent object BAD_RADIAL - some low S/N radial points DEBLENDED_AS_PSF - child object is unresolved BINNED1 - detected at >=5 sigma in original imaging frame
No. 6 Reference Code : 2007SDSS6.C...0000: Freq. targeted : g (SDSS Model) AB Measurement : 21.399 asinh mag = 1.00E-31 W m^-2^ Hz^-1^ Uncertainty : 0.069 asinh mag = 6.37E-33 Significance : based on count statistics only Freq or Vel. : 4858 A (OBS )= 6.17E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 163.3742627148 16.7853015078 (J2000) Spatial mode : Modelled datum Notes : From new raw data Qualifiers : SDSS flags CHILD - object is part of a blended parent object BAD_RADIAL - some low S/N radial points DEBLENDED_AS_PSF - child object is unresolved BINNED1 - detected at >=5 sigma in original imaging frame
No. 7 Reference Code : 2007SDSS6.C...0000: Freq. targeted : r (SDSS PSF) AB Measurement : 21.890 asinh mag = 6.34E-32 W m^-2^ Hz^-1^ Uncertainty : 0.154 asinh mag = 9.08E-33 Significance : based on count statistics only Freq or Vel. : 6290 A (OBS )= 4.77E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 163.3742627148 16.7853015078 (J2000) Spatial mode : Modelled datum Notes : From new raw data Qualifiers : SDSS flags CANONICAL_CENTER - used canonical, not local, center CHILD - object is part of a blended parent object BAD_RADIAL - some low S/N radial points DEBLENDED_AS_PSF - child object is unresolved BINNED1 - detected at >=5 sigma in original imaging frame BINNED_CENTER - image was binned while centroiding DEBLEND_NOPEAK - object has no detected peak CANONICAL_BAND - this band was primary (usually r)
No. 8 Reference Code : 2007SDSS6.C...0000: Freq. targeted : r (SDSS CModel) AB Measurement : 21.553 asinh mag = 8.66E-32 W m^-2^ Hz^-1^ Uncertainty : asinh mag = 0.00E+00 Significance : no uncertainty reported Freq or Vel. : 6290 A (OBS )= 4.77E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 163.3742627148 16.7853015078 (J2000) Spatial mode : Modelled datum Notes : From new raw data Qualifiers : SDSS flags CANONICAL_CENTER - used canonical, not local, center CHILD - object is part of a blended parent object BAD_RADIAL - some low S/N radial points DEBLENDED_AS_PSF - child object is unresolved BINNED1 - detected at >=5 sigma in original imaging frame BINNED_CENTER - image was binned while centroiding DEBLEND_NOPEAK - object has no detected peak CANONICAL_BAND - this band was primary (usually r)
No. 9 Reference Code : 2007SDSS6.C...0000: Freq. targeted : r (SDSS Model) AB Measurement : 21.553 asinh mag = 8.66E-32 W m^-2^ Hz^-1^ Uncertainty : 0.110 asinh mag = 8.82E-33 Significance : based on count statistics only Freq or Vel. : 6290 A (OBS )= 4.77E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 163.3742627148 16.7853015078 (J2000) Spatial mode : Modelled datum Notes : From new raw data Qualifiers : SDSS flags CANONICAL_CENTER - used canonical, not local, center CHILD - object is part of a blended parent object BAD_RADIAL - some low S/N radial points DEBLENDED_AS_PSF - child object is unresolved BINNED1 - detected at >=5 sigma in original imaging frame BINNED_CENTER - image was binned while centroiding DEBLEND_NOPEAK - object has no detected peak CANONICAL_BAND - this band was primary (usually r)
No. 10 Reference Code : 2007SDSS6.C...0000: Freq. targeted : i (SDSS CModel) AB Measurement : 20.946 asinh mag = 1.52E-31 W m^-2^ Hz^-1^ Uncertainty : asinh mag = 0.00E+00 Significance : no uncertainty reported Freq or Vel. : 7706 A (OBS )= 3.89E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 163.3742627148 16.7853015078 (J2000) Spatial mode : Modelled datum Notes : From new raw data Qualifiers : SDSS flags CHILD - object is part of a blended parent object BAD_RADIAL - some low S/N radial points DEBLENDED_AS_PSF - child object is unresolved BINNED1 - detected at >=5 sigma in original imaging frame BINNED_CENTER - image was binned while centroiding
No. 11 Reference Code : 2007SDSS6.C...0000: Freq. targeted : i (SDSS PSF) AB Measurement : 21.540 asinh mag = 8.74E-32 W m^-2^ Hz^-1^ Uncertainty : 0.168 asinh mag = 1.37E-32 Significance : based on count statistics only Freq or Vel. : 7706 A (OBS )= 3.89E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 163.3742627148 16.7853015078 (J2000) Spatial mode : Modelled datum Notes : From new raw data Qualifiers : SDSS flags CHILD - object is part of a blended parent object BAD_RADIAL - some low S/N radial points DEBLENDED_AS_PSF - child object is unresolved BINNED1 - detected at >=5 sigma in original imaging frame BINNED_CENTER - image was binned while centroiding
No. 12 Reference Code : 2007SDSS6.C...0000: Freq. targeted : i (SDSS Model) AB Measurement : 21.080 asinh mag = 1.34E-31 W m^-2^ Hz^-1^ Uncertainty : 0.115 asinh mag = 1.43E-32 Significance : based on count statistics only Freq or Vel. : 7706 A (OBS )= 3.89E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 163.3742627148 16.7853015078 (J2000) Spatial mode : Modelled datum Notes : From new raw data Qualifiers : SDSS flags CHILD - object is part of a blended parent object BAD_RADIAL - some low S/N radial points DEBLENDED_AS_PSF - child object is unresolved BINNED1 - detected at >=5 sigma in original imaging frame BINNED_CENTER - image was binned while centroiding
No. 13 Reference Code : 2007SDSS6.C...0000: Freq. targeted : z (SDSS PSF) AB Measurement : 21.449 asinh mag = 8.64E-32 W m^-2^ Hz^-1^ Uncertainty : 0.455 asinh mag = 4.24E-32 Significance : based on count statistics only Freq or Vel. : 9222 A (OBS )= 3.25E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 163.3742627148 16.7853015078 (J2000) Spatial mode : Modelled datum Notes : From new raw data Qualifiers : SDSS flags CANONICAL_CENTER - used canonical, not local, center CHILD - object is part of a blended parent object BAD_RADIAL - some low S/N radial points DEBLENDED_AS_PSF - child object is unresolved
No. 14 Reference Code : 2007SDSS6.C...0000: Freq. targeted : z (SDSS CModel) AB Measurement : 21.193 asinh mag = 1.13E-31 W m^-2^ Hz^-1^ Uncertainty : asinh mag = 0.00E+00 Significance : no uncertainty reported Freq or Vel. : 9222 A (OBS )= 3.25E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 163.3742627148 16.7853015078 (J2000) Spatial mode : Modelled datum Notes : From new raw data Qualifiers : SDSS flags CANONICAL_CENTER - used canonical, not local, center CHILD - object is part of a blended parent object BAD_RADIAL - some low S/N radial points DEBLENDED_AS_PSF - child object is unresolved
No. 15 Reference Code : 2007SDSS6.C...0000: Freq. targeted : z (SDSS Model) AB Measurement : 21.091 asinh mag = 1.25E-31 W m^-2^ Hz^-1^ Uncertainty : 0.384 asinh mag = 4.80E-32 Significance : based on count statistics only Freq or Vel. : 9222 A (OBS )= 3.25E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 163.3742627148 16.7853015078 (J2000) Spatial mode : Modelled datum Notes : From new raw data Qualifiers : SDSS flags CANONICAL_CENTER - used canonical, not local, center CHILD - object is part of a blended parent object BAD_RADIAL - some low S/N radial points DEBLENDED_AS_PSF - child object is unresolved
No. 16 Reference Code : 1978ApJS...36...53D Freq. targeted : 2380 MHz Measurement : -5. milliJy = -5.00E-29 W m^-2^ Hz^-1^ Uncertainty : 4. milliJy = 4.00E-29 Significance : rms uncertainty Freq or Vel. : 2380 MHz (OBS )= 2.38E+09 Hz Frequency mode : Broad-band measurement; peak value reported Coord. targeted: Spatial mode : Peak flux Notes : From new raw data Qualifiers :
No. 17 Reference Code : 1991RC3.9.C...0000d Freq. targeted : HI (21 cm line) Measurement : 14.30 m_21 mag = 8.32E-22 W m^-2^ Uncertainty : 0.30 m_21 mag = 2.65E-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: 105049.4 +17 305 (B1950) Spatial mode : Multiple methods Notes : Homogenized from new and previously published data Qualifiers : m_21 equiv. to S(HI) = 8.318E-22 W m^-2
No. 18 Reference Code : 1989H&RHI.C...0000H Freq. targeted : HI (21 cm line) Measurement : 15.78 Jy km s^-1^ = 7.42E-22 W m^-2^ Uncertainty : Jy km s^-1^ = 0.00E+00 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: 105049. +170305. (B1950) Spatial mode : Not reported in paper Notes : Transformed from previously published data Qualifiers :
No. 19 Reference Code : 1990ApJS...72..245S Freq. targeted : HI (observed) Measurement : 13.69 Jy km s^-1^ = 6.44E-22 W m^-2^ Uncertainty : 0.22 Jy km s^-1^ = 1.03E-23 Significance : internal error Freq or Vel. : 1098 km s^-1^ (REST )= 1.42E+09 Hz Frequency mode : Line measurement; flux integrated over line; lines measured in emission Coord. targeted: 105049.0 +170305 (B1950) Spatial mode : Integrated from scans Notes : From new raw data; Uncorrected for known sources in beam Qualifiers :
No. 20 Reference Code : 2002AJ....124..675C Freq. targeted : 1.4 GHz (VLA) Measurement : 6.8 milliJy = 6.80E-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 :

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