NASA/IPAC EXTRAGALACTIC DATABASE
Date and Time of the Query: 2019-08-23 T04:49:54 PDT
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Spectral Energy Distribution (SED) for NGC 6577:

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 B (B_T) 13.70 +/- 0.20 mag 6.81E+14 1.41E-02 +/- 2.85E-03 Jy Broad-band 1991RC3.9.C...0000d 1
2 B (m_B) 13.94 +/- 0.19 mag 6.81E+14 1.13E-02 +/- 2.16E-03 Jy Broad-band 1991RC3.9.C...0000d 2
3 m_p 14.7 +/- 0.4 mag 6.81E+14 5.62E-03 +/- 2.50E-03 Jy Broad-band 1963CGCG2.C...0000Z 3
4 V (V_T) 12.64 +/- 0.20 mag 5.42E+14 3.20E-02 +/- 6.55E-03 Jy Broad-band 1991RC3.9.C...0000d 4
5 J (2MASS/FLWO) 12.491 +/- 0.073 mag 2.43E+14 1.61E-02 +/- 1.08E-03 Jy Broad-band Profile-fit; Poor quality 2006AJ....131.1163S 5
6 J (2MASS/FLWO) 11.998 +/- 0.009 mag 2.43E+14 2.53E-02 +/- 2.10E-04 Jy Broad-band 4" aperture 2006AJ....131.1163S 6
7 J 10.640 +/- 0.017 mag 2.40E+14 8.83E-02 +/- 1.39E-03 Jy Broad-band 20032MASX.C.......: 7
8 J_14arcsec (2MASS) 11.534 +/- 0.005 mag 2.40E+14 3.88E-02 +/- 1.79E-04 Jy Broad-band 14.0 x 14.0 arcsec aperture. 20032MASX.C.......: 8
9 J 10.803 +/- 0.018 mag 2.40E+14 7.60E-02 +/- 1.27E-03 Jy Broad-band 49.4 x 47.4 arcsec integration area. 20032MASX.C.......: 9
10 H 9.946 +/- 0.022 mag 1.82E+14 1.08E-01 +/- 2.20E-03 Jy Broad-band 20032MASX.C.......: 10
11 H_14arcsec (2MASS) 10.796 +/- 0.007 mag 1.82E+14 4.92E-02 +/- 3.18E-04 Jy Broad-band 14.0 x 14.0 arcsec aperture. 20032MASX.C.......: 11
12 H 10.093 +/- 0.025 mag 1.82E+14 9.40E-02 +/- 2.19E-03 Jy Broad-band 49.4 x 47.4 arcsec integration area. 20032MASX.C.......: 12
13 H (2MASS/FLWO) 11.997 +/- 0.111 mag 1.80E+14 1.63E-02 +/- 1.66E-03 Jy Broad-band Profile-fit; Poor quality 2006AJ....131.1163S 13
14 H (2MASS/FLWO) 11.22 +/- 0.01 mag 1.80E+14 3.33E-02 +/- 3.07E-04 Jy Broad-band 4" aperture 2006AJ....131.1163S 14
15 K_s (2MASS/FLWO) 10.952 +/- 0.008 mag 1.39E+14 2.77E-02 +/- 2.04E-04 Jy Broad-band 4" aperture 2006AJ....131.1163S 15
16 K_s (2MASS/FLWO) 11.501 +/- 0.069 mag 1.39E+14 1.67E-02 +/- 1.06E-03 Jy Broad-band Profile-fit; Poor quality 2006AJ....131.1163S 16
17 K_s_14arcsec (2MASS) 10.505 +/- 0.007 mag 1.38E+14 4.19E-02 +/- 2.71E-04 Jy Broad-band 14.0 x 14.0 arcsec aperture. 20032MASX.C.......: 17
18 K_s 9.846 +/- 0.029 mag 1.38E+14 7.68E-02 +/- 2.08E-03 Jy Broad-band 49.4 x 47.4 arcsec integration area. 20032MASX.C.......: 18
19 K_s 9.735 +/- 0.026 mag 1.38E+14 8.51E-02 +/- 2.06E-03 Jy Broad-band 20032MASX.C.......: 19
20 12 microns (IRAS) ... <0.025 Jy 2.50E+13 < 2.50E-02 Jy Broad-band 1994PrivC.U..J....K 20
21 25 microns (IRAS) ... <0.031 Jy 1.20E+13 < 3.10E-02 Jy Broad-band 1994PrivC.U..J....K 21
22 60 microns (IRAS) ... <0.044 Jy 5.00E+12 < 4.40E-02 Jy Broad-band 1994PrivC.U..J....K 22
23 100 microns (IRAS) ... <0.291 Jy 3.00E+12 < 2.91E-01 Jy Broad-band 1994PrivC.U..J....K 23
24 1.4 GHz (VLA) 346.6 ... milliJy 1.40E+09 3.47E-01 ... Jy Broad-band 2002AJ....124..675C 24
25 1.4GHz 90.6 +/- 3.1 milliJy 1.40E+09 9.06E-02 +/- 3.10E-03 Jy Broad-band High peak 1998AJ....115.1693C 25


Detailed Information for Each Entry

 No. 1
Reference Code : 1991RC3.9.C...0000d
Freq. targeted : B (B_T)             
Measurement    :  13.70       mag                  = 1.41E-28 W m^-2^ Hz^-1^
Uncertainty    :  0.20        mag                  = 2.85E-29
Significance   : rms uncertainty
Freq or Vel.   : 4400         A            (OBS   )= 6.81E+14 Hz
Frequency mode : Broad-band measurement
Coord. targeted: 1809.9          +2128 (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 : B (m_B) Measurement : 13.94 mag = 1.13E-28 W m^-2^ Hz^-1^ Uncertainty : 0.19 mag = 2.16E-29 Significance : rms uncertainty Freq or Vel. : 4400 A (OBS )= 6.81E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 1809.9 +2128 (B1950) Spatial mode : Multiple methods Notes : Homogenized from new and previously published data; Standard Johnson UBVRI filters assumed Qualifiers :
No. 3 Reference Code : 1963CGCG2.C...0000Z Freq. targeted : m_p Measurement : 14.7 mag = 5.62E-29 W m^-2^ Hz^-1^ Uncertainty : 0.4 mag = 2.50E-29 Significance : rms noise Freq or Vel. : 4400 A (OBS )= 6.81E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 180954.0 +212800. (B1950) Spatial mode : Estimated by eye Notes : From new raw data Qualifiers :
No. 4 Reference Code : 1991RC3.9.C...0000d Freq. targeted : V (V_T) Measurement : 12.64 mag = 3.20E-28 W m^-2^ Hz^-1^ Uncertainty : 0.20 mag = 6.55E-29 Significance : rms uncertainty Freq or Vel. : 5530 A (OBS )= 5.42E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 1809.9 +2128 (B1950) Spatial mode : From multi-aperture data Notes : Homogenized from new and previously published data; Standard Johnson UBVRI filters assumed Qualifiers :
No. 5 Reference Code : 2006AJ....131.1163S Freq. targeted : J (2MASS/FLWO) Measurement : 12.491 mag = 1.61E-28 W m^-2^ Hz^-1^ Uncertainty : 0.073 mag = 1.08E-29 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. 6 Reference Code : 2006AJ....131.1163S Freq. targeted : J (2MASS/FLWO) Measurement : 11.998 mag = 2.53E-28 W m^-2^ Hz^-1^ Uncertainty : 0.009 mag = 2.10E-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 : 4" aperture
No. 7 Reference Code : 20032MASX.C.......: Freq. targeted : J Measurement : 10.640 mag = 8.83E-28 W m^-2^ Hz^-1^ Uncertainty : 0.017 mag = 1.39E-29 Significance : 1 sigma uncert. Freq or Vel. : 1.25 microns (OBS )= 2.40E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 181201.23 +212748.6 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers :
No. 8 Reference Code : 20032MASX.C.......: Freq. targeted : J_14arcsec (2MASS) Measurement : 11.534 mag = 3.88E-28 W m^-2^ Hz^-1^ Uncertainty : 0.005 mag = 1.79E-30 Significance : 1 sigma uncert. Freq or Vel. : 1.25 microns (OBS )= 2.40E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 181201.23 +212748.6 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : 14.0 x 14.0 arcsec aperture.
No. 9 Reference Code : 20032MASX.C.......: Freq. targeted : J Measurement : 10.803 mag = 7.60E-28 W m^-2^ Hz^-1^ Uncertainty : 0.018 mag = 1.27E-29 Significance : 1 sigma uncert. Freq or Vel. : 1.25 microns (OBS )= 2.40E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 181201.23 +212748.6 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : 49.4 x 47.4 arcsec integration area.
No. 10 Reference Code : 20032MASX.C.......: Freq. targeted : H Measurement : 9.946 mag = 1.08E-27 W m^-2^ Hz^-1^ Uncertainty : 0.022 mag = 2.20E-29 Significance : 1 sigma uncert. Freq or Vel. : 1.65 microns (OBS )= 1.82E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 181201.23 +212748.6 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers :
No. 11 Reference Code : 20032MASX.C.......: Freq. targeted : H_14arcsec (2MASS) Measurement : 10.796 mag = 4.92E-28 W m^-2^ Hz^-1^ Uncertainty : 0.007 mag = 3.18E-30 Significance : 1 sigma uncert. Freq or Vel. : 1.65 microns (OBS )= 1.82E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 181201.23 +212748.6 (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 : H Measurement : 10.093 mag = 9.40E-28 W m^-2^ Hz^-1^ Uncertainty : 0.025 mag = 2.19E-29 Significance : 1 sigma uncert. Freq or Vel. : 1.65 microns (OBS )= 1.82E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 181201.23 +212748.6 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : 49.4 x 47.4 arcsec integration area.
No. 13 Reference Code : 2006AJ....131.1163S Freq. targeted : H (2MASS/FLWO) Measurement : 11.997 mag = 1.63E-28 W m^-2^ Hz^-1^ Uncertainty : 0.111 mag = 1.66E-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. 14 Reference Code : 2006AJ....131.1163S Freq. targeted : H (2MASS/FLWO) Measurement : 11.22 mag = 3.33E-28 W m^-2^ Hz^-1^ Uncertainty : 0.01 mag = 3.07E-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. 15 Reference Code : 2006AJ....131.1163S Freq. targeted : K_s (2MASS/FLWO) Measurement : 10.952 mag = 2.77E-28 W m^-2^ Hz^-1^ Uncertainty : 0.008 mag = 2.04E-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. 16 Reference Code : 2006AJ....131.1163S Freq. targeted : K_s (2MASS/FLWO) Measurement : 11.501 mag = 1.67E-28 W m^-2^ Hz^-1^ Uncertainty : 0.069 mag = 1.06E-29 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. 17 Reference Code : 20032MASX.C.......: Freq. targeted : K_s_14arcsec (2MASS) Measurement : 10.505 mag = 4.19E-28 W m^-2^ Hz^-1^ Uncertainty : 0.007 mag = 2.71E-30 Significance : 1 sigma uncert. Freq or Vel. : 2.17 microns (OBS )= 1.38E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 181201.23 +212748.6 (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 : 9.846 mag = 7.68E-28 W m^-2^ Hz^-1^ Uncertainty : 0.029 mag = 2.08E-29 Significance : 1 sigma uncert. Freq or Vel. : 2.17 microns (OBS )= 1.38E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 181201.23 +212748.6 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : 49.4 x 47.4 arcsec integration area.
No. 19 Reference Code : 20032MASX.C.......: Freq. targeted : K_s Measurement : 9.735 mag = 8.51E-28 W m^-2^ Hz^-1^ Uncertainty : 0.026 mag = 2.06E-29 Significance : 1 sigma uncert. Freq or Vel. : 2.17 microns (OBS )= 1.38E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 181201.23 +212748.6 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers :
No. 20 Reference Code : 1994PrivC.U..J....K Freq. targeted : 12 microns (IRAS) Measurement : <0.025 Jy < 2.50E-28 W m^-2^ Hz^-1^ Uncertainty : Significance : 1 sigma Freq or Vel. : 12 microns (OBS )= 2.50E+13 Hz Frequency mode : Broad-band measurement Coord. targeted: 180954. +212800 (B1950) Spatial mode : From fitting to map Notes : From reprocessed raw data Qualifiers :
No. 21 Reference Code : 1994PrivC.U..J....K Freq. targeted : 25 microns (IRAS) Measurement : <0.031 Jy < 3.10E-28 W m^-2^ Hz^-1^ Uncertainty : Significance : 1 sigma Freq or Vel. : 25 microns (OBS )= 1.20E+13 Hz Frequency mode : Broad-band measurement Coord. targeted: 180954. +212800 (B1950) Spatial mode : From fitting to map Notes : From reprocessed raw data Qualifiers :
No. 22 Reference Code : 1994PrivC.U..J....K Freq. targeted : 60 microns (IRAS) Measurement : <0.044 Jy < 4.40E-28 W m^-2^ Hz^-1^ Uncertainty : Significance : 1 sigma Freq or Vel. : 60 microns (OBS )= 5.00E+12 Hz Frequency mode : Broad-band measurement Coord. targeted: 180954. +212800 (B1950) Spatial mode : From fitting to map Notes : From reprocessed raw data Qualifiers :
No. 23 Reference Code : 1994PrivC.U..J....K Freq. targeted : 100 microns (IRAS) Measurement : <0.291 Jy < 2.91E-27 W m^-2^ Hz^-1^ Uncertainty : Significance : 1 sigma Freq or Vel. : 100 microns (OBS )= 3.00E+12 Hz Frequency mode : Broad-band measurement Coord. targeted: 180954. +212800 (B1950) Spatial mode : From fitting to map Notes : From reprocessed raw data Qualifiers :
No. 24 Reference Code : 2002AJ....124..675C Freq. targeted : 1.4 GHz (VLA) Measurement : 346.6 milliJy = 3.47E-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: Spatial mode : Flux integrated from map Notes : Averaged from previously published data Qualifiers :
No. 25 Reference Code : 1998AJ....115.1693C Freq. targeted : 1.4GHz Measurement : 90.6 milliJy = 9.06E-28 W m^-2^ Hz^-1^ Uncertainty : 3.1 milliJy = 3.10E-29 Significance : uncertainty Freq or Vel. : 1.40 GHz (OBS )= 1.40E+09 Hz Frequency mode : Broad-band measurement Coord. targeted: 18 12 1.22 +21 27 47.0 (J2000) Spatial mode : Flux integrated from map Notes : From new raw data Qualifiers : High peak

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