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Select maser type: H2O, OH, CH3OH(I), CH3OH(II), SiO, H2CO, NH3

Actual statistics of known maser sources

  • Transitions of masers included in the database

    TransitionShort freq.  Rest frequency  
    (MHz) 
    Detected  
       in
    Det.  
    obj.
    Non-Det.  
    obj.
    References
    5-1→60 A+ View   6.6 GHz (II)6668.519212855287MEN91B*, MAC92B, MAC92, GAY93, SCH93, CAS95B, ... (in total 65 papers)
    20→3-1 E View   12 GHz (II)12178.64950CAS93*, GAY94, CAS95C, CAS95, MAC98, BLA04, BRE10B, BRE12B, BRE12,
    BRE14, BRE16, VAN16 (in total 12 papers)
    21→30 E View   19 GHz (II)19967.396180MEN89*, ELL04, KRI13 (in total 3 papers)
    92→101 A+ View   23 GHz (II)23121.0210MEN89*, CRA04, KRI13 (in total 3 papers)
    7-2→8-1 E View   37 GHz (II)37703.7233ELL11B*, ELL13, CHE15, ELL18 (in total 4 papers)
    62→53 A+ View   38.2 GHz (II)38293.26893ELL11B*, ELL13, ELL18 (in total 3 papers)
    62→53 A- View   38.4 GHz (II)38452.67773ELL11B*, ELL13, ELL18 (in total 3 papers)
    31→40 A+ View   107 GHz (II)107013.84416VAL95B*, VAL99, RAM99, CAS00, WIE04 (in total 5 papers)
    00→1-1 E View   108 GHz (II)108893.96163VAL99* (in total 1 papers)
    62→71 A- View   132.6 GHz (II)132621.94141SLY99B* (in total 1 papers)
    5-2→6-1 E View   133.6 GHz (II)133605.5331SLY99B* (in total 1 papers)
    80→8-1 E View   156.4 GHz (II)156488.86840SLY99B* (in total 1 papers)
    21→30 A+ View   156.6 GHz (II)156602.41370CAS00* (in total 1 papers)
    70→7-1 E View   156.8 GHz (II)156828.53340SLY99B* (in total 1 papers)
    60→6-1 E View   157.0 GHz (II)157048.63210SLY99B*, WIE04 (in total 2 papers)
    50→5-1 E View   157.1 GHz (II)157179.02560SLY99B* (in total 1 papers)
    10→1-1 E View   157.270 GHz (II)157270.856517SLY99B* (in total 1 papers)
    30→3-1 E View   157.272 GHz (II)157272.37580SLY99B* (in total 1 papers)
    20→2-1 E View   157.276 GHz (II)157276.06580SLY99B* (in total 1 papers)
    71→70 E View   166 GHz (II)166169.260SLY99B* (in total 1 papers)