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Select maser type: H2O, OH, CH3OH_I, CH3OH_II, SiO

Actual statistics of known maser sources

  • Detected / Non-Detected
    Number of observations (H2O): 9697/14109
    Number of observations (OH): 9202/11381
    Number of observations (SiO): 4040/5713
    Number of observations (CH3OH I): 3361/7476
    Number of observations (CH3OH II): 7901/10525
    Number of observations (NH3):
    Number of observations (H2CO):
    Detected / Non-Detected
    Number of objects (H2O): 2659/6533
    Number of objects (OH): 3949/4253
    Number of objects (SiO): 1971/2329
    Number of objects (CH3OH I): 1430/1976
    Number of objects (CH3OH II): 1392/5340
    Number of objects (NH3):
    Number of objects (H2CO):
  • Classification of objects with masers

    Total IRAS
    (12-100 um)
    HiGAL
    (70-500 um)
    ATLASGAL
    (870 um)
    Bolocam
    (1.1 mm)
    THOR
    (1-2 GHz)
    CORNISH
    (5 GHz)
    Maser objects related to SFR+MIX category1130 (26.6%)0 ( 0.0%)0 ( 0.0%)859 (48.8%)0 ( 0.0%)-1 109 (51.7%)
    Young Stellar Objects530 (24.2%)0 ( 0.0%)0 ( 0.0%)404 (40.4%)0 -1 60 (48.0%)
    Radio-emitting sources666 (33.7%)0 ( 0.0%)0 ( 0.0%)493 (48.8%)0 -1 82 (53.6%)
    Dense cores482 (44.4%)0 0 435 (56.3%)0 -1 70 (57.9%)
    HII regions410 (33.3%)0 ( 0.0%)0 ( 0.0%)352 (44.7%)0 -1 75 (51.0%)
    Molecular clouds379 (30.2%)0 0 305 (49.5%)0 -1 48 (50.0%)
    Outflow sources149 (72.7%)0 0 143 (84.6%)0 -1 10 (90.9%)
    Other SFR sources33 (28.0%)0 0 23 (67.6%)0 -1 11 (78.6%)
    Maser objects related to EVOLVED category49 ( 4.0%)0 0 19 (73.1%)0 -1 0 ( 0.0%)
    Stars9 ( 3.2%)0 0 4 (66.7%)0 -1 0
    Mira stars0 ( 0.0%)0 0 0 0 -1 0
    OH/IR stars1 ( 0.8%)0 0 0 0 -1 0
    AGB/Post-AGB stars10 ( 7.5%)0 0 5 (83.3%)0 -1 0 ( 0.0%)
    Other stars11 ( 4.2%)0 0 1 (33.3%)0 -1 0
    Star clusters1 ( 7.7%)0 0 1 (100.0%)0 -1 0
    Planetary nebulas0 ( 0.0%)0 0 0 ( 0.0%)0 -1 0 ( 0.0%)
    Supernova Remnats0 0 0 0 0 -1 0
    Other sources120 (11.1%)0 0 39 (75.0%)0 -1 2 (66.7%)
    Unknown source types59 (61.5%)0 0 28 (96.6%)0 -1 0
    Extragalactic sources11 ( 9.5%)0 0 7 (46.7%)0 -1 2 (66.7%)
    No associated SIMBAD sources50 ( 5.7%)0 0 4 (50.0%)0 -1 0


    \texttt{**, Symbiotic*, LPV*, Be*, Candidate\_LP*, },\texttt{RRLyr, C*, Candidate\_C*, Orion\_V*, },\texttt{SG*, Candidate\_SG*, V*, V*?, },\texttt{RedSG*, FUOr, Em*, Ae*, Candidate\_Ae*, },\texttt{brownD*, Candidate\_brownD*, S*, },\texttt{PulsV*RVTau, EB*, SB*, PM*, pMS*, },\texttt{HMXB, EB*Algol, BlueSG*, Candidate\_PulsV*WVi, },\texttt{Candidate\_RSG*, PulsV*delSct, },\texttt{TTau*}
    \multicolumn{2}{l}{\textbf{Maser objects related to SFR+MIX category}} & 1130 (26.6\%) & 0 & 859 (48.8\%) & 0 ( 0.0\%) & 0 ( 0.0\%) & 0 ( 0.0\%) & 109 (51.7\%) \\
    Young Stellar Objects & \texttt{YSO, Candidate\_YSO} & 530 (24.2\%) & 0 & 404 (40.4\%) & 0 ( 0.0\%) & 0 & 0 ( 0.0\%) & 60 (48.0\%) \\
    Radio-emitting sources & \texttt{Radio, Radio(sub-mm), Radio(mm), } & 666 (33.7\%) & 0 & 493 (48.8\%) & 0 ( 0.0\%) & 0 & 0 ( 0.0\%) & 82 (53.6\%) \\
    & \texttt{Radio(cm)} & & & & \\
    Dense cores & \texttt{denseCore} & 482 (44.4\%) & 0 & 435 (56.3\%) & 0 & 0 & 0 & 70 (57.9\%) \\
    HII regions & \texttt{HII, Bubble} & 410 (33.3\%) & 0 & 352 (44.7\%) & 0 ( 0.0\%) & 0 & 0 ( 0.0\%) & 75 (51.0\%) \\
    Molecular clouds & \texttt{MolCld, PartOfCloud, Cloud, DkNeb} & 379 (30.2\%) & 0 & 305 (49.5\%) & 0 & 0 & 0 & 48 (50.0\%) \\
    Outflow sources & \texttt{Outflow, outflow?} & 149 (72.7\%) & 0 & 143 (84.6\%) & 0 & 0 & 0 & 10 (90.9\%) \\
    Other SFR sources & \texttt{Region, SFregion, ISM, HH} & 33 (28.0\%) & 0 & 23 (67.6\%) & 0 & 0 & 0 & 11 (78.6\%) \\
    \multicolumn{2}{l}{\textbf{Maser objects related to EVOLVED category}} & 49 ( 4.0\%) & 0 & 19 (73.1\%) & 0 & 0 & 0 & 0 ( 0.0\%) \\
    Stars & \texttt{Star} & 9 ( 3.2\%) & 0 & 4 (66.7\%) & 0 & 0 & 0 & 0 \\
    Mira stars & \texttt{Mira, Candidate\_Mi*} & 0 ( 0.0\%) & 0 & 0 & 0 & 0 & 0 & 0 \\
    OH/IR stars & \texttt{OH/IR} & 1 ( 0.8\%) & 0 & 0 & 0 & 0 & 0 & 0 \\
    AGB/Post-AGB stars & \texttt{AGB*, Candidate\_AGB*, post-AGB*, } & 10 ( 7.5\%) & 0 & 5 (83.3\%) & 0 & 0 & 0 & 0 ( 0.0\%) \\
    & \texttt{Candidate\_post-AGB*} & & & & \\
    Other stars & \fnsymbol{footnote} & 11 ( 4.2\%) & 0 & 1 (33.3\%) & 0 & 0 & 0 & 0 \\
    Star clusters & \texttt{OpCl, Cl*, Cl*?} & 1 ( 7.7\%) & 0 & 1 (100.0\%) & 0 & 0 & 0 & 0 \\
    Planetary nebulas & \texttt{PN, PN?, RfNeb, BrNeb, *inNeb} & 0 ( 0.0\%) & 0 & 0 ( 0.0\%) & 0 & 0 & 0 & 0 ( 0.0\%) \\
    Supernova Remnats & \texttt{SN, SNR, SNR?} & 0 & 0 & 0 & 0 & 0 & 0 & 0 \\
    \multicolumn{2}{l}{\textbf{Other sources}} & 120 (11.1\%) & 0 & 39 (75.0\%) & 0 & 0 & 0 & 2 (66.7\%) \\
    Unknown source types & \texttt{Maser, X, Unknown, multiple\_object, } & 59 (61.5\%) & 0 & 28 (96.6\%) & 0 & 0 & 0 & 0 \\
    & \texttt{EmObj} & & & & \\
    Extragalactic sources & \texttt{StarburstG, GinPair, Seyfert, } & 11 ( 9.5\%) & 0 & 7 (46.7\%) & 0 & 0 & 0 & 2 (66.7\%) \\
    & \texttt{AGN, Galaxy, EmG, LSB\_G, HII\_G, } & & & & \\
    No associated SIMBAD sources & & 50 ( 5.7\%) & 0 & 4 (50.0\%) & 0 & 0 & 0 & 0



    target type Objects (total)SFREVOLVEDMIXEDOTHER
    targeted708/5319 (11.7) 547/2636 (17.2) 14/1176 (1.2) 0/0 (0) 23/858 (2.6)
    blind684/21 (97.0) 472/2 (99.6) 36/0 (100.0) 0/0 (0) 57/12 (82.6)
  • X
    DSS colored
    2MASS colored
    WISE colored
    SDSS color
    IRAC color I1,I2,I4
    GLIMPSE 360
    PACS color (70-160 um)
    SPIRE color (250-500 um)
    NVSS (1.4GHz)
    ATLASGAL 870 um
    ATLASGAL 870 um + Planck
    Bolocam 1.1 mm
    UKIDSS K

    Download UKIDSS K FITS
    2MASS K

    Download 2MASS K FITS