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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
    9-1→8-2 E View   9.93 GHz (I)9936.20272SLY93*, VOR06, VOR10B, VOR11 (in total 4 papers)
    43→52 A+ View   9.97 GHz9978.732124SLY93*, ROL99 (in total 2 papers)
    43→52 A- View   10.05 GHz10058.304124SLY93*, ROL99 (in total 2 papers)
    101→92 A- View   23 GHz (I)2344550MEN86B*, VOR11, NAK15 (in total 3 papers)
    32→31 E View   24.928 GHz (I)24928.70730BEU05*, VOR06, VOR11 (in total 3 papers)
    42→41 E View   24.933 GHz (I)24933.468373BAR71*, VOR06, VOR11, GOM14 (in total 4 papers)
    22→21 E View   24.934 GHz (I)24934.38220VOR06*, VOR11 (in total 2 papers)
    52→51 E View   24.959 GHz (I)24959.0789140BAR71*, VOR05, VOR06, VOR11, TOW17 (in total 5 papers)
    62→61 E View   25.0 GHz (I)25018.122570BAR71*, MAT80, MEN86, JOH92, VOR06, VOR11 (in total 6 papers)
    72→71 E View   25.1 GHz (I)25124.8719315BAR71*, MAT80, VOR06, VOR11 (in total 4 papers)
    82→81 E View   25.2 GHz (I)25294.416530BAR71*, VOR06, VOR11 (in total 3 papers)
    92→91 E View   25.5 GHz (I)25541.397910VOR06* (in total 1 papers)
    4-1→30 E View   36 GHz (I)36169.26591051TUR72*, MOR85, HAS89, KAL92, BER92, KAL93, ... (in total 32 papers)
    70→61 A+ View   44 GHz (I)44069.41483467HAS90*, BAC90, FOR90, KAL92, KAL93, SLY94, ... (in total 48 papers)
    5-1→40 E View   84 GHz (I)84521.1691261BAT88*, KAL01, WIE04, KAL06, VOR06, WAN14, MCC18B, BRE19 (in total 8 papers)
    80→71 A+ View   95 GHz (I)95169.465361206NAK86*, PLA90, KAL94B, VAL95, VAL98, VAL00, ... (in total 29 papers)
    11-1→10-2 E View   104 GHz (I)104300.41410VOR06* (in total 1 papers)
    6-1→50 E View   132.8 GHz (I)132890.69150SLY97*, VAL98, WIE04, CHO12, KAN13, LYO14 (in total 6 papers)
    40→4-1 E View   157.24 GHz157246.0610VAL98* (in total 1 papers)
    11→10 E View   165 GHz165050.1940SLY02* (in total 1 papers)
    42→31 E View   218 GHz (I)21844020HUN14*, CHE19 (in total 2 papers)
    8-1→70 E View   229 GHz (I)229758.7650VAL98*, SLY02, HUN14, CHE19 (in total 4 papers)
    52→41 E View   266.8 GHz (I)266838.110CHE19* (in total 1 papers)
    9-1→80 E View   278 GHz (I)27830510YAN14* (in total 1 papers)