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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): 10007/14105
    Number of observations (OH): 9692/14288
    Number of observations (SiO): 4040/5713
    Number of observations (CH3OH I): 3361/7476
    Number of observations (CH3OH II): 7823/10051
    Number of observations (NH3):
    Number of observations (H2CO):
    		Detected / Non-Detected
    Number of objects (H2O): 2802/6523
    Number of objects (OH): 3702/4614
    Number of objects (SiO): 1971/2329
    Number of objects (CH3OH I): 1430/1976
    Number of objects (CH3OH II): 1349/5328
    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 category1030 (24.8%)7 (53.8%)1 ( 8.3%)773 (46.4%)3 (30.0%)-1 88 (46.8%)
    Young Stellar Objects459 (22.0%)4 (57.1%)0 ( 0.0%)349 (37.9%)2 (33.3%)-1 51 (44.7%)
    Radio-emitting sources583 (31.3%)6 (66.7%)1 (16.7%)423 (45.8%)2 (33.3%)-1 63 (48.5%)
    Dense cores420 (41.8%)3 (75.0%)0 ( 0.0%)379 (54.0%)2 (66.7%)-1 56 (53.8%)
    HII regions348 (30.2%)3 (60.0%)1 (33.3%)295 (41.1%)1 (50.0%)-1 57 (46.0%)
    Molecular clouds330 (27.8%)4 (66.7%)0 ( 0.0%)263 (46.9%)2 (66.7%)-1 38 (45.2%)
    Outflow sources129 (70.5%)0 0 123 (83.7%)0 ( 0.0%)-1 7 (87.5%)
    Other SFR sources25 (22.9%)2 (100.0%)0 14 (56.0%)2 (100.0%)-1 6 (85.7%)
    Maser objects related to EVOLVED category50 ( 4.3%)0 ( 0.0%)0 20 (74.1%)0 -1 0 ( 0.0%)
    Stars9 ( 3.4%)0 0 4 (66.7%)0 -1 0
    Mira stars0 ( 0.0%)0 0 0 0 -1 0
    OH/IR stars0 ( 0.0%)0 0 0 0 -1 0
    AGB/Post-AGB stars9 ( 6.6%)0 0 5 (83.3%)0 -1 0 ( 0.0%)
    Other stars15 ( 5.6%)0 0 1 (33.3%)0 -1 0
    Star clusters1 ( 7.1%)0 ( 0.0%)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 sources223 (17.2%)10 (66.7%)0 ( 0.0%)46 (69.7%)8 (61.5%)-1 1 (50.0%)
    Unknown source types61 (37.2%)0 0 28 (93.3%)0 -1 0
    Extragalactic sources10 ( 8.5%)1 (100.0%)0 6 (42.9%)1 (100.0%)-1 1 (50.0%)
    No associated SIMBAD sources152 (15.0%)9 (64.3%)0 ( 0.0%)12 (54.5%)7 (58.3%)-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}} & 1030 (24.8\%) & 0 & 773 (46.4\%) & 1 ( 8.3\%) & 3 (30.0\%) & 7 (53.8\%) & 88 (46.8\%) \\
    Young Stellar Objects & \texttt{YSO, Candidate\_YSO} & 459 (22.0\%) & 0 & 349 (37.9\%) & 0 ( 0.0\%) & 2 (33.3\%) & 4 (57.1\%) & 51 (44.7\%) \\
    Radio-emitting sources & \texttt{Radio, Radio(sub-mm), Radio(mm), } & 583 (31.3\%) & 0 & 423 (45.8\%) & 1 (16.7\%) & 2 (33.3\%) & 6 (66.7\%) & 63 (48.5\%) \\
    & \texttt{Radio(cm)} & & & & \\
    Dense cores & \texttt{denseCore} & 420 (41.8\%) & 0 & 379 (54.0\%) & 0 ( 0.0\%) & 2 (66.7\%) & 3 (75.0\%) & 56 (53.8\%) \\
    HII regions & \texttt{HII, Bubble} & 348 (30.2\%) & 0 & 295 (41.1\%) & 1 (33.3\%) & 1 (50.0\%) & 3 (60.0\%) & 57 (46.0\%) \\
    Molecular clouds & \texttt{MolCld, PartOfCloud, Cloud, DkNeb} & 330 (27.8\%) & 0 & 263 (46.9\%) & 0 ( 0.0\%) & 2 (66.7\%) & 4 (66.7\%) & 38 (45.2\%) \\
    Outflow sources & \texttt{Outflow, outflow?} & 129 (70.5\%) & 0 & 123 (83.7\%) & 0 & 0 ( 0.0\%) & 0 & 7 (87.5\%) \\
    Other SFR sources & \texttt{Region, SFregion, ISM, HH} & 25 (22.9\%) & 0 & 14 (56.0\%) & 0 & 2 (100.0\%) & 2 (100.0\%) & 6 (85.7\%) \\
    \multicolumn{2}{l}{\textbf{Maser objects related to EVOLVED category}} & 50 ( 4.3\%) & 0 & 20 (74.1\%) & 0 & 0 & 0 ( 0.0\%) & 0 ( 0.0\%) \\
    Stars & \texttt{Star} & 9 ( 3.4\%) & 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} & 0 ( 0.0\%) & 0 & 0 & 0 & 0 & 0 & 0 \\
    AGB/Post-AGB stars & \texttt{AGB*, Candidate\_AGB*, post-AGB*, } & 9 ( 6.6\%) & 0 & 5 (83.3\%) & 0 & 0 & 0 & 0 ( 0.0\%) \\
    & \texttt{Candidate\_post-AGB*} & & & & \\
    Other stars & \fnsymbol{footnote} & 15 ( 5.6\%) & 0 & 1 (33.3\%) & 0 & 0 & 0 & 0 \\
    Star clusters & \texttt{OpCl, Cl*, Cl*?} & 1 ( 7.1\%) & 0 & 1 (100.0\%) & 0 & 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}} & 223 (17.2\%) & 0 & 46 (69.7\%) & 0 ( 0.0\%) & 8 (61.5\%) & 10 (66.7\%) & 1 (50.0\%) \\
    Unknown source types & \texttt{Maser, X, Unknown, multiple\_object, } & 61 (37.2\%) & 0 & 28 (93.3\%) & 0 & 0 & 0 & 0 \\
    & \texttt{EmObj} & & & & \\
    Extragalactic sources & \texttt{StarburstG, GinPair, Seyfert, } & 10 ( 8.5\%) & 0 & 6 (42.9\%) & 0 & 1 (100.0\%) & 1 (100.0\%) & 1 (50.0\%) \\
    & \texttt{AGN, Galaxy, EmG, LSB\_G, HII\_G, } & & & & \\
    No associated SIMBAD sources & & 152 (15.0\%) & 0 & 12 (54.5\%) & 0 ( 0.0\%) & 7 (58.3\%) & 9 (64.3\%) & 0



    target type Objects (total)SFREVOLVEDMIXEDOTHER
    targeted690/5306 (11.5) 467/2581 (15.3) 13/1114 (1.2) 0/0 (0) 97/850 (10.2)
    blind659/22 (96.8) 428/3 (99.3) 38/1 (97.4) 0/0 (0) 59/10 (85.5)
    • X
    DSS colored
    		2MASS colored
    		WISE colored
    PACS color (70-160 um)
    		SPIRE color (250-500 um)
    		GLIMPSE 360
    SDSS color
    		IRAC color I1,I2,I4
    		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