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Date and Time of the Query: 2019-03-25 T04:57:44 PDT
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Spectral Energy Distribution (SED) for IC 1977:

31 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) 14.29 +/- 0.19 mag 6.81E+14 8.19E-03 +/- 1.57E-03 Jy Broad-band 1991RC3.9.C...0000d 1
2 B (m_B^0) 13.29 ... mag 6.81E+14 2.06E-02 ... Jy Broad-band 1991RC3.9.C...0000d 2
3 m_p 14.6 +/- 0.4 mag 6.81E+14 6.16E-03 +/- 2.74E-03 Jy Broad-band 1965CGCG5.C...0000Z 3
4 B (Johnson) 14.94 +/- 0.11 mag 6.81E+14 4.50E-03 +/- 4.80E-04 Jy Broad-band 25.5" aperture. 1995AJ....110.1083T 4
5 V (Johnson) 14.04 +/- 0.11 mag 5.42E+14 8.81E-03 +/- 9.40E-04 Jy Broad-band 25.5" aperture. 1995AJ....110.1083T 5
6 J (2MASS/FLWO) 13.5 +/- 0.06 mag 2.43E+14 6.35E-03 +/- 3.51E-04 Jy Broad-band Profile-fit; Poor quality 2006AJ....131.1163S 6
7 J (2MASS/FLWO) 13.017 +/- 0.017 mag 2.43E+14 9.90E-03 +/- 1.55E-04 Jy Broad-band 4" aperture 2006AJ....131.1163S 7
8 J 11.366 +/- 0.021 mag 2.40E+14 4.52E-02 +/- 8.84E-04 Jy Broad-band 49.8 x 33.9 arcsec integration area. 20032MASX.C.......: 8
9 J 11.269 +/- 0.027 mag 2.40E+14 4.95E-02 +/- 1.25E-03 Jy Broad-band 20032MASX.C.......: 9
10 J_14arcsec (2MASS) 12.373 +/- 0.010 mag 2.40E+14 1.79E-02 +/- 1.66E-04 Jy Broad-band 14.0 x 14.0 arcsec aperture. 20032MASX.C.......: 10
11 H 10.594 +/- 0.024 mag 1.82E+14 5.93E-02 +/- 1.32E-03 Jy Broad-band 49.8 x 33.9 arcsec integration area. 20032MASX.C.......: 11
12 H 10.517 +/- 0.023 mag 1.82E+14 6.36E-02 +/- 1.36E-03 Jy Broad-band 20032MASX.C.......: 12
13 H_14arcsec (2MASS) 11.560 +/- 0.010 mag 1.82E+14 2.43E-02 +/- 2.25E-04 Jy Broad-band 14.0 x 14.0 arcsec aperture. 20032MASX.C.......: 13
14 H (2MASS/FLWO) 12.711 +/- 0.068 mag 1.80E+14 8.43E-03 +/- 5.28E-04 Jy Broad-band Profile-fit; Poor quality 2006AJ....131.1163S 14
15 H (2MASS/FLWO) 12.178 +/- 0.015 mag 1.80E+14 1.38E-02 +/- 1.90E-04 Jy Broad-band 4" aperture 2006AJ....131.1163S 15
16 K_s (2MASS/FLWO) 11.736 +/- 0.017 mag 1.39E+14 1.35E-02 +/- 2.11E-04 Jy Broad-band 4" aperture 2006AJ....131.1163S 16
17 K_s (2MASS/FLWO) 12.161 +/- 0.055 mag 1.39E+14 9.11E-03 +/- 4.62E-04 Jy Broad-band Profile-fit; Poor quality 2006AJ....131.1163S 17
18 K_s 10.138 +/- 0.037 mag 1.38E+14 5.87E-02 +/- 2.04E-03 Jy Broad-band 20032MASX.C.......: 18
19 K_s_14arcsec (2MASS) 11.131 +/- 0.015 mag 1.38E+14 2.35E-02 +/- 3.27E-04 Jy Broad-band 14.0 x 14.0 arcsec aperture. 20032MASX.C.......: 19
20 K_s 10.216 +/- 0.040 mag 1.38E+14 5.47E-02 +/- 2.05E-03 Jy Broad-band 49.8 x 33.9 arcsec integration area. 20032MASX.C.......: 20
21 12 microns (IRAS) 9.671E-02 +/- 25 % Jy 2.50E+13 9.67E-02 +/- 2.42E-02 Jy Broad-band IRAS quality flag = 2 1990IRASF.C...0000M 21
22 25 microns (IRAS) 2.168E-01 +/- 24 % Jy 1.20E+13 2.17E-01 +/- 2.32E-02 Jy Broad-band IRAS quality flag = 2 1990IRASF.C...0000M 22
23 60 microns (IRAS) 1.314E+00 +/- 6 % Jy 5.00E+12 1.31E+00 +/- 7.88E-02 Jy Broad-band IRAS quality flag = 3 1990IRASF.C...0000M 23
24 100 microns (IRAS) 3.778E+00 +/- 11 % Jy 3.00E+12 3.78E+00 +/- 4.16E-01 Jy Broad-band IRAS quality flag = 2 1990IRASF.C...0000M 24
25 HI (21 cm line) 1.99 ... Jy km sec^-1^ 1.42E+09 9.12E+03 ... Jy-Hz Line rms noise = 0.52 mJy 1993AJ....105.1271G 25
26 HI (21 cm line)_c_ 2.37 ... Jy km sec^-1^ 1.42E+09 1.09E+04 ... Jy-Hz Line rms noise = 0.52 mJy 1993AJ....105.1271G 26
27 HI 21 cm line 2.69 +/- 0.31 Jy km s^-1^ 1.42E+09 1.23E+04 +/- 1.42E+03 Jy-Hz Line Self-absorption corrected line flux 2005ApJS..160..149S 27
28 HI 21 cm line 2.46 ... Jy km s^-1^ 1.42E+09 1.13E+04 ... Jy-Hz Line Corrected line flux 2005ApJS..160..149S 28
29 HI 21 cm line 2.07 ... Jy km s^-1^ 1.42E+09 9.49E+03 ... Jy-Hz Line 2005ApJS..160..149S 29
30 1.4GHz 14.3 +/- 1.0 milliJy 1.40E+09 1.43E-02 +/- 1.00E-03 Jy Broad-band 1998AJ....115.1693C 30
31 1.4 GHz (VLA) 13.1 ... milliJy 1.40E+09 1.31E-02 ... Jy Broad-band 2002AJ....124..675C 31


Detailed Information for Each Entry

 No. 1
Reference Code : 1991RC3.9.C...0000d
Freq. targeted : B (m_B)             
Measurement    :  14.29       mag                  = 8.19E-29 W m^-2^ Hz^-1^
Uncertainty    :  0.19        mag                  = 1.57E-29
Significance   : rms uncertainty
Freq or Vel.   : 4400         A            (OBS   )= 6.81E+14 Hz
Frequency mode : Broad-band measurement
Coord. targeted: 0337.8          +1734 (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 : 13.29 mag = 2.06E-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: 0337.8 +1734 (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 : 1965CGCG5.C...0000Z Freq. targeted : m_p Measurement : 14.6 mag = 6.16E-29 W m^-2^ Hz^-1^ Uncertainty : 0.4 mag = 2.74E-29 Significance : rms noise Freq or Vel. : 4400 A (OBS )= 6.81E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 033754.0 +173500. (B1950) Spatial mode : Estimated by eye Notes : From new raw data Qualifiers :
No. 4 Reference Code : 1995AJ....110.1083T Freq. targeted : B (Johnson) Measurement : 14.94 mag = 4.50E-29 W m^-2^ Hz^-1^ Uncertainty : 0.11 mag = 4.80E-30 Significance : internal error Freq or Vel. : 4400 A (OBS )= 6.81E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 033754.0 +173500. (B1950) Spatial mode : Flux in fixed aperture Notes : From reprocessed raw data Qualifiers : 25.5" aperture.
No. 5 Reference Code : 1995AJ....110.1083T Freq. targeted : V (Johnson) Measurement : 14.04 mag = 8.81E-29 W m^-2^ Hz^-1^ Uncertainty : 0.11 mag = 9.40E-30 Significance : internal error Freq or Vel. : 5530 A (OBS )= 5.42E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 033754.0 +173500. (B1950) Spatial mode : From multi-aperture data Notes : From reprocessed raw data Qualifiers : 25.5" aperture.
No. 6 Reference Code : 2006AJ....131.1163S Freq. targeted : J (2MASS/FLWO) Measurement : 13.5 mag = 6.35E-29 W m^-2^ Hz^-1^ Uncertainty : 0.06 mag = 3.51E-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. 7 Reference Code : 2006AJ....131.1163S Freq. targeted : J (2MASS/FLWO) Measurement : 13.017 mag = 9.90E-29 W m^-2^ Hz^-1^ Uncertainty : 0.017 mag = 1.55E-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. 8 Reference Code : 20032MASX.C.......: Freq. targeted : J Measurement : 11.366 mag = 4.52E-28 W m^-2^ Hz^-1^ Uncertainty : 0.021 mag = 8.84E-30 Significance : 1 sigma uncert. Freq or Vel. : 1.25 microns (OBS )= 2.40E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 034045.12 +174428.2 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : 49.8 x 33.9 arcsec integration area.
No. 9 Reference Code : 20032MASX.C.......: Freq. targeted : J Measurement : 11.269 mag = 4.95E-28 W m^-2^ Hz^-1^ Uncertainty : 0.027 mag = 1.25E-29 Significance : 1 sigma uncert. Freq or Vel. : 1.25 microns (OBS )= 2.40E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 034045.12 +174428.2 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers :
No. 10 Reference Code : 20032MASX.C.......: Freq. targeted : J_14arcsec (2MASS) Measurement : 12.373 mag = 1.79E-28 W m^-2^ Hz^-1^ Uncertainty : 0.010 mag = 1.66E-30 Significance : 1 sigma uncert. Freq or Vel. : 1.25 microns (OBS )= 2.40E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 034045.12 +174428.2 (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 : 10.594 mag = 5.93E-28 W m^-2^ Hz^-1^ Uncertainty : 0.024 mag = 1.32E-29 Significance : 1 sigma uncert. Freq or Vel. : 1.65 microns (OBS )= 1.82E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 034045.12 +174428.2 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : 49.8 x 33.9 arcsec integration area.
No. 12 Reference Code : 20032MASX.C.......: Freq. targeted : H Measurement : 10.517 mag = 6.36E-28 W m^-2^ Hz^-1^ Uncertainty : 0.023 mag = 1.36E-29 Significance : 1 sigma uncert. Freq or Vel. : 1.65 microns (OBS )= 1.82E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 034045.12 +174428.2 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers :
No. 13 Reference Code : 20032MASX.C.......: Freq. targeted : H_14arcsec (2MASS) Measurement : 11.560 mag = 2.43E-28 W m^-2^ Hz^-1^ Uncertainty : 0.010 mag = 2.25E-30 Significance : 1 sigma uncert. Freq or Vel. : 1.65 microns (OBS )= 1.82E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 034045.12 +174428.2 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : 14.0 x 14.0 arcsec aperture.
No. 14 Reference Code : 2006AJ....131.1163S Freq. targeted : H (2MASS/FLWO) Measurement : 12.711 mag = 8.43E-29 W m^-2^ Hz^-1^ Uncertainty : 0.068 mag = 5.28E-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; Poor quality
No. 15 Reference Code : 2006AJ....131.1163S Freq. targeted : H (2MASS/FLWO) Measurement : 12.178 mag = 1.38E-28 W m^-2^ Hz^-1^ Uncertainty : 0.015 mag = 1.90E-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. 16 Reference Code : 2006AJ....131.1163S Freq. targeted : K_s (2MASS/FLWO) Measurement : 11.736 mag = 1.35E-28 W m^-2^ Hz^-1^ Uncertainty : 0.017 mag = 2.11E-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. 17 Reference Code : 2006AJ....131.1163S Freq. targeted : K_s (2MASS/FLWO) Measurement : 12.161 mag = 9.11E-29 W m^-2^ Hz^-1^ Uncertainty : 0.055 mag = 4.62E-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. 18 Reference Code : 20032MASX.C.......: Freq. targeted : K_s Measurement : 10.138 mag = 5.87E-28 W m^-2^ Hz^-1^ Uncertainty : 0.037 mag = 2.04E-29 Significance : 1 sigma uncert. Freq or Vel. : 2.17 microns (OBS )= 1.38E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 034045.12 +174428.2 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers :
No. 19 Reference Code : 20032MASX.C.......: Freq. targeted : K_s_14arcsec (2MASS) Measurement : 11.131 mag = 2.35E-28 W m^-2^ Hz^-1^ Uncertainty : 0.015 mag = 3.27E-30 Significance : 1 sigma uncert. Freq or Vel. : 2.17 microns (OBS )= 1.38E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 034045.12 +174428.2 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : 14.0 x 14.0 arcsec aperture.
No. 20 Reference Code : 20032MASX.C.......: Freq. targeted : K_s Measurement : 10.216 mag = 5.47E-28 W m^-2^ Hz^-1^ Uncertainty : 0.040 mag = 2.05E-29 Significance : 1 sigma uncert. Freq or Vel. : 2.17 microns (OBS )= 1.38E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 034045.12 +174428.2 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : 49.8 x 33.9 arcsec integration area.
No. 21 Reference Code : 1990IRASF.C...0000M Freq. targeted : 12 microns (IRAS) Measurement : 9.671E-02 Jy = 9.67E-28 W m^-2^ Hz^-1^ Uncertainty : 25 % Jy = 2.42E-28 Significance : uncertainty Freq or Vel. : 12 microns (OBS )= 2.50E+13 Hz Frequency mode : Broad-band measurement Coord. targeted: 033754.9 +173452 (B1950) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : IRAS quality flag = 2
No. 22 Reference Code : 1990IRASF.C...0000M Freq. targeted : 25 microns (IRAS) Measurement : 2.168E-01 Jy = 2.17E-27 W m^-2^ Hz^-1^ Uncertainty : 24 % Jy = 2.32E-28 Significance : uncertainty Freq or Vel. : 25 microns (OBS )= 1.20E+13 Hz Frequency mode : Broad-band measurement Coord. targeted: 033754.9 +173452 (B1950) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : IRAS quality flag = 2
No. 23 Reference Code : 1990IRASF.C...0000M Freq. targeted : 60 microns (IRAS) Measurement : 1.314E+00 Jy = 1.31E-26 W m^-2^ Hz^-1^ Uncertainty : 6 % Jy = 7.88E-28 Significance : uncertainty Freq or Vel. : 60 microns (OBS )= 5.00E+12 Hz Frequency mode : Broad-band measurement Coord. targeted: 033754.9 +173452 (B1950) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : IRAS quality flag = 3
No. 24 Reference Code : 1990IRASF.C...0000M Freq. targeted : 100 microns (IRAS) Measurement : 3.778E+00 Jy = 3.78E-26 W m^-2^ Hz^-1^ Uncertainty : 11 % Jy = 4.16E-27 Significance : uncertainty Freq or Vel. : 100 microns (OBS )= 3.00E+12 Hz Frequency mode : Broad-band measurement Coord. targeted: 033754.9 +173452 (B1950) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : IRAS quality flag = 2
No. 25 Reference Code : 1993AJ....105.1271G Freq. targeted : HI (21 cm line) Measurement : 1.99 Jy km sec^-1^ = 9.12E-23 W m^-2^ Uncertainty : See Qualifier Jy km sec^-1^ = 0.00E+00 Significance : no uncertainty reported Freq or Vel. : 9936 km sec^-1^ (REST )= 1.42E+09 Hz Frequency mode : Line measurement; flux integrated over line; lines measured in emission Coord. targeted: 033753.9 +173453 (B1950) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : rms noise = 0.52 mJy
No. 26 Reference Code : 1993AJ....105.1271G Freq. targeted : HI (21 cm line)_c_ Measurement : 2.37 Jy km sec^-1^ = 1.09E-22 W m^-2^ Uncertainty : See Qualifier Jy km sec^-1^ = 0.00E+00 Significance : no uncertainty reported Freq or Vel. : 9936 km sec^-1^ (REST )= 1.42E+09 Hz Frequency mode : Line measurement; flux integrated over line; lines measured in emission Coord. targeted: 033753.9 +173453 (B1950) Spatial mode : Corrected to total flux from single aperture measurement; Pointing and beam filling corrected Notes : From new raw data; Extinction-corrected internal to object Qualifiers : rms noise = 0.52 mJy
No. 27 Reference Code : 2005ApJS..160..149S Freq. targeted : HI 21 cm line Measurement : 2.69 Jy km s^-1^ = 1.23E-22 W m^-2^ Uncertainty : 0.31 Jy km s^-1^ = 1.42E-23 Significance : uncertainty Freq or Vel. : 9931 km s^-1^ (REST )= 1.42E+09 Hz Frequency mode : Line measurement; flux integrated over line; lines measured in emission Coord. targeted: 03 40 45.1 +17 44 28 (J2000) Spatial mode : Flux integrated from map Notes : From new raw data Qualifiers : Self-absorption corrected line flux
No. 28 Reference Code : 2005ApJS..160..149S Freq. targeted : HI 21 cm line Measurement : 2.46 Jy km s^-1^ = 1.13E-22 W m^-2^ Uncertainty : Jy km s^-1^ = 0.00E+00 Significance : no uncertainty reported Freq or Vel. : 9931 km s^-1^ (REST )= 1.42E+09 Hz Frequency mode : Line measurement; flux integrated over line; lines measured in emission Coord. targeted: 03 40 45.1 +17 44 28 (J2000) Spatial mode : Flux integrated from map Notes : From new raw data Qualifiers : Corrected line flux
No. 29 Reference Code : 2005ApJS..160..149S Freq. targeted : HI 21 cm line Measurement : 2.07 Jy km s^-1^ = 9.49E-23 W m^-2^ Uncertainty : Jy km s^-1^ = 0.00E+00 Significance : no uncertainty reported Freq or Vel. : 9931 km s^-1^ (REST )= 1.42E+09 Hz Frequency mode : Line measurement; flux integrated over line; lines measured in emission Coord. targeted: 03 40 45.1 +17 44 28 (J2000) Spatial mode : Flux integrated from map Notes : From new raw data Qualifiers :
No. 30 Reference Code : 1998AJ....115.1693C Freq. targeted : 1.4GHz Measurement : 14.3 milliJy = 1.43E-28 W m^-2^ Hz^-1^ Uncertainty : 1.0 milliJy = 1.00E-29 Significance : uncertainty Freq or Vel. : 1.40 GHz (OBS )= 1.40E+09 Hz Frequency mode : Broad-band measurement Coord. targeted: 03 40 45.12 +17 44 27.7 (J2000) Spatial mode : Flux integrated from map Notes : From new raw data Qualifiers :
No. 31 Reference Code : 2002AJ....124..675C Freq. targeted : 1.4 GHz (VLA) Measurement : 13.1 milliJy = 1.31E-28 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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