Contacts :
R. Romagnan
M. Pick
S. Masson





User Guide

The Plots-Movies page display five surveys :

Each survey combines :
  • data from various spectrographs
  • display of brightness distribution projected onto the heliocentric East/West or North/South direction versus time form the Nancay Radioheligraph
  • positions of CMEs

  • They are organised with a "daily page" which displays survey from 08h to 16h (for the Composites and Spectral pages) or from 00h to 24h (for the 24h Waves/Swaves page) and several "zoom pages" for every hour (except for 24h Waves/Swaves page which displays 3h long zooms).
    From each survey page, you can access directly to the other surveys of the same date, NRH movies and the LASCO and STEREO CMEs pages.

    You can check out the avalability of each survey in the below table :

    SurveyFirst available dayLast available day
    Composite I 24 June 2017
    Composite IIa 24 June 2017
    Composite IIb 24 June 2017
    24h Waves/Swaves
    (launch of the STEREO spacecraft)
    23 June 2017
    Spectral UT 00h->08h 23 June 2017

    For a detailed explanation of each survey and the NRH Movies:
  • Composite I (large spectral frequency range)
  • Composites II ( Decimetric frequency range)
  • STEREO/SWAVES and WIND/WAVES
  • Spectral 00h to 08h UT survey
  • NRH Movies




  • 1- COMPOSITE I




    The COMPOSITE SURVEY I covers the 08-16 UT time range (1pixel/60sec) and zooms are 1 hour long (1pixel/10sec).

    It is composed of
  • a spectrum (A)
  • a display of brightness distribution projected onto the heliocentric East/West or North/South direction versus time at 150/164MHz (B)
  • a position of CMEs detected by SOHO (C)
  • Multi-instrument Spectrum (A)
    Frequency range 600 MHz-20 kHz. Logarithmic scale.
    Combines data obtained with :

    InstrumentFminFmaxTime
    resolution
    date
    Waves RAD120 KHz1 MHz1 min
    Waves RAD21.04 MHz13.8 MHz16 sec
    DAM20 MHz70 MHz1 sec
    Artemis70 MHz600 MHz5 secUntil 01 nov 2012
    ORFEES70 MHz1000 MHz1 secSince 01 nov 2012

    Note : When DAM is unavailable, Artemis is used also for the frequency range from 20 MHz to 70 MHz or Humain since 1st july 2016.
    EW and NS brightness distribution versus time (B)
  • 150 MHz (164 MHz before 01 Dec 2006)
  • Integration time 10s (1 point/ 60s)
  • Each frame contains a display of brightness distribution projected onto the heliocentric East/West or North/South direction versus time ; the units of the vertical axis are solar radius.
    Coronal Mass Ejections (CMEs) (C)
    The CMEs are reported in the composite1 survey from 08 to 16 UT.
  • Time of appearance in SOHO/LASCO C2 and direction (arrow)
  • Speed V(First order, km/sec), angular width W(deg)
  • Black: detected in C2 and C3
  • Grey: detected in C2 only






  • 2- COMPOSITE IIa and COMPOSITE IIb


    IIa




    IIb




    The COMPOSITES SURVEYS IIa and IIb covers the 08-16 UT time range (1pixel/60sec) and zooms are 1 hour long (1pixel/10sec).

    These two surveys are similars except for the EW and NS brightness distributions versus time (C and D) which is :
  • greyscale (same as COMPOSITE I) for the COMPOSITE IIa
  • contour plot for the COMPOSITE IIb
  • The two spectra (A and B) reported in these two surveys are similars .


    They are composed of
  • two spectra (A and B)
  • two displays of brightness distribution projected onto the heliocentric East/West or North/South direction versus time at 150/164MHz (C) and 432MHz (D)
  • a position of CMEs detected by SOHO (E)


  • Two Spectra
    1) from 10 (or 20) MHz to 70 MHz. Linear scale.(A)

    This spectrum displays data from DAM. When DAM is unavailable, Artemis is used instead.

    InstrumentFminFmaxTime resolutionDates
    DAM20 MHz70 MHz1 secFrom 1st Jan 2002 to present
    Artemis20 MHz70 MHz5 secFrom 1st Jan 2002 to present



    2) from 100 MHz to 2000 or 600 MHz. Linear scale.(B)

    This spectrum displays data from Phoenix 2 because of his frequency range (which goes to 2Ghz).
    When Phoenix 2 is unavailable, Artemis is used instead up to 600Mhz.
    Please note that Phoenix 2 is no longer operationnal from 16 march 2009. So after this date, Artemis is systematicaly used.

    InstrumentFminFmaxTime resolutionDates
    Artemis100 MHz600 MHz5 secFrom 1st Jan 2002 to present
    Phoenix 2112 MHz2000 MHz1 secFrom 1st Jan 2002 to 16 march 2009


    EW and NS brightness distributions versus time at two frequencies
  • 150 MHz (164 MHz before 01 Dec 2006) (C)
  • 432 MHz (D)
  • Each frame contains a display of brightness distribution projected onto the heliocentric East/West or North/South direction versus time ; the units of the vertical axis are solar radius.

  • IIa displays in greyscale : each scan is normalised to its maximum. All the bursts are visibles but the intensity variations during the day are not well described.
  • IIb displays in contour plot : the normalisation is made on the maximum intensity in the whole day. Contour levels are chosen in order to describe the quiet sun (at least one level) and intenses bursts. This gives a good estimate of intensity variation with the day.

  • Survey  Integration time
    IIa 8h-16h 120s
    IIazoom 10s
    IIb8h-16h60s
    IIb zoom 10s


    Coronal Mass Ejections (CMEs) (E)(same as Composite I survey)
    The CMEs are reported in the composites IIa and IIb survey from 08 to 16 UT.
  • Time of appearance in SOHO/LASCO C2 and direction (arrow)
  • Speed V(First order, km/sec), angular width W(deg)
  • Black: detected in C2 and C3
  • Grey: detected in C2 only




  • 3- STEREO/SWAVES and WIND/WAVES






    The STEREO/SWAVES and WIND/WAVES 24h SURVEY covers the 00-24 UT time range (1pixel/180sec) and zooms are 3 hours long (1pixel/22.5sec).

    It is composed of :
  • three spectra from spatials data (A,B and C)
  • a position of CMEs detected by STEREO A and B layered over the spectra (Red and blue triangles)
  • a position of CMEs detected by SOHO in a 24 hours time range (D)

  • It is available from the STEREO launch on october 2006.

    3 spectra

    Logarithmic frequency axis.

    1) STEREO WAVES A (A)
    2) STEREO WAVES B (B)
    The spectra from SWAVES A and SWAVES B are placed head to tail.

    InstrumentFminFmaxTime resolution
    SWAVES LFR0.04 MHz0.160 MHzbetween 15s and 30s
    SWAVES HFR0.125 MHz16.025 MHzbetween 15s and 30s


    3) WIND/WAVES (C)

    InstrumentFminFmaxTime resolution
    Waves RAD120 KHz1 MHz1 min
    Waves RAD21.04 MHz13.8 MHz16 sec


    Coronal Mass Ejections (CMEs) form LASCO (same as Composite I survey but in a 24h time range) and STEREO
    LASCO CMEs (D)
  • Time of appearance in SOHO/LASCO C2 and direction (arrow)
  • Speed V(First order, km/sec), angular width W(deg)
  • Black: detected in C2 and C3
  • Grey: detected in C2 only
  • STEREO CMEs (Red and blue triangles)
  • Time of appearance in STEREO A (red triangle) and STEREO B (blue triangle)




  • 4- Spectral 00h to 08h UT survey






    The Spectral 00h to 08h UT SURVEY covers the 00-08 UT time range (?pixel/???sec) and zooms are 1 hours long (?pixel/???sec).

    It is composed of :
  • a spectrum (A)
  • Multi-instrument Spectrum (A)
    Frequency range 0.02 MHz kHz. Logarithmic scale.
    Combines data obtained with :

    InstrumentFminFmaxTime resolution
    Waves RAD120 KHz1 MHz1 min
    Waves RAD21.04 MHz13.8 MHz16 sec
    Culgoora25 MHz100 MHz? sec
    Ynao100 MHz700 MHz? sec

    Note : Sometimes, Learmonth is used also for the frequency range from 25 MHz to 100 MHz instead of Culgoora.






    MOVIES FROM NRH

    The MOVIES page is accessible via every survey page.

    Movies are availables with 120sec and 10sec time resolution at two frequencies :
  • 164MHz (150 MHz after 01 Dec 2006)
  • 432 MHz

  • They are composed by successives png images.
    Each image can be saved individually (pause the movie, then drag and drop the image or save it using floating menu).

    In order to view a movie, select
  • a starting time (hh:min)
  • a frame rate (time resolution 10 or 120 sec),
  • the frequency,
  • the number of images
  • and press LOAD MOVIE.

    The loading of the movie may take some time.