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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 category868 (64.2%)491 (57.8%)530 (78.9%)515 (79.6%)341 (85.7%)-1 74 (88.1%)
    Young Stellar Objects236 (66.5%)156 (57.6%)172 (77.5%)182 (76.8%)127 (83.6%)-1 38 (90.5%)
    Radio-emitting sources305 (73.3%)198 (66.0%)237 (77.7%)249 (77.6%)164 (82.0%)-1 49 (92.5%)
    Dense cores219 (77.7%)163 (73.1%)189 (79.7%)205 (80.4%)140 (87.0%)-1 42 (97.7%)
    HII regions218 (65.9%)179 (62.2%)172 (69.9%)189 (70.8%)117 (79.6%)-1 49 (90.7%)
    Molecular clouds177 (50.3%)118 (63.1%)144 (78.7%)146 (79.8%)111 (86.7%)-1 40 (90.9%)
    Outflow sources81 (73.0%)60 (67.4%)71 (71.7%)77 (72.6%)40 (85.1%)-1 5 (83.3%)
    Other SFR sources22 (73.3%)18 (69.2%)13 (100.0%)16 (88.9%)16 (94.1%)-1 7 (100.0%)
    Maser objects related to EVOLVED category2896/6363 (45.5%)2552/5974 (42.7%)246/295 (83.4%)39/42 (92.9%)27/31 (87.1%)-1/-2 7/14 (50.0%)
    Stars345 (46.9%)288 (42.9%)29 (78.4%)5 (100.0%)4 (100.0%)-1 2 (50.0%)
    Mira stars320 (23.4%)292 (22.1%)13 (86.7%)5 (100.0%)1 (100.0%)-1 0
    OH/IR stars2139 (98.3%)1905 (98.4%)184 (98.4%)30 (100.0%)20 (90.9%)-1 2 (100.0%)
    AGB/Post-AGB stars361 (31.7%)305 (28.2%)39 (66.1%)3 (60.0%)4 (100.0%)-1 2 (66.7%)
    Other stars745 (32.5%)645 (29.6%)39 (69.6%)13 (100.0%)8 (80.0%)-1 1 (25.0%)
    Star clusters5 (38.5%)4 (33.3%)0 ( 0.0%)0 0 ( 0.0%)-1 0
    Planetary nebulas34 (18.5%)34 (18.9%)7 (53.8%)1 (50.0%)0 -1 4 (57.1%)
    Supernova Remnats4 (66.7%)1 (33.3%)0 0 0 -1 0
    Other sources185 (38.1%)39 (12.2%)26 (83.9%)7 (58.3%)6 (75.0%)-1 1 (50.0%)
    Unknown source types80 (28.4%)19 ( 8.8%)10 (90.9%)1 (100.0%)2 (100.0%)-1 1 (100.0%)
    Extragalactic sources11 (15.1%)10 (14.5%)3 (50.0%)4 (50.0%)3 (75.0%)-1 0
    No associated SIMBAD sources94 (71.8%)10 (29.4%)13 (92.9%)2 (66.7%)1 (50.0%)-1 0 ( 0.0%)


    \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*}
    Maser objects related to SFR+MIX category & & 868/485 & 137/41 & 515/132 & 530/142 & 341/57 & 491/358 & 74/10 \\
    Young Stellar Objects & \texttt{YSO, Candidate\_YSO} & 236/119 & 2/2 & 182/55 & 172/50 & 127/25 & 156/115 & 38/4 \\
    Radio-emitting sources & \texttt{Radio, Radio(sub-mm), Radio(mm), } & 305/111 & 1/2 & 249/72 & 237/68 & 164/36 & 198/102 & 49/4 \\
    & \texttt{Radio(cm)} & & & & \\
    Dense cores & \texttt{denseCore} & 219/63 & 0/0 & 205/50 & 189/48 & 140/21 & 163/60 & 42/1 \\
    HII regions & \texttt{HII, Bubble} & 218/113 & 2/0 & 189/78 & 172/74 & 117/30 & 179/109 & 49/5 \\
    Molecular clouds & \texttt{MolCld, PartOfCloud, Cloud, DkNeb} & 177/175 & 0/1 & 146/37 & 144/39 & 111/17 & 118/69 & 40/4 \\
    Outflow sources & \texttt{Outflow, outflow?} & 81/30 & 0/0 & 77/29 & 71/28 & 40/7 & 60/29 & 5/1 \\
    Other SFR sources & \texttt{Region, SFregion, ISM, HH} & 22/8 & 0/0 & 16/2 & 13/0 & 16/1 & 18/8 & 7/0 \\
    \multicolumn{2}{l}{\textbf{Maser objects related to EVOLVED category}} & 2896/3467 & 410/1231 & 39/3 & 246/49 & 27/4 & 2552/3422 & 7/7 \\
    Stars & \texttt{Star} & 345/391 & 48/107 & 5/0 & 29/8 & 4/0 & 288/384 & 2/2 \\
    Mira stars & \texttt{Mira, Candidate\_Mi*} & 320/1045 & 136/589 & 5/0 & 13/2 & 1/0 & 292/1030 & 0/0 \\
    OH/IR stars & \texttt{OH/IR} & 2139/38 & 236/7 & 30/0 & 184/3 & 20/2 & 1905/30 & 2/0 \\
    AGB/Post-AGB stars & \texttt{AGB*, Candidate\_AGB*, post-AGB*, } & 361/778 & 29/72 & 3/2 & 39/20 & 4/0 & 305/777 & 2/1 \\
    & \texttt{Candidate\_post-AGB*} & & & & \\
    Other stars & \fnsymbol{footnote} & 745/1548 & 76/575 & 13/0 & 39/17 & 8/2 & 645/1531 & 1/3 \\
    Star clusters & \texttt{OpCl, Cl*, Cl*?} & 5/8 & 0/4 & 0/0 & 0/1 & 0/1 & 4/8 & 0/0 \\
    Planetary nebulas & \texttt{PN, PN?, RfNeb, BrNeb, *inNeb} & 34/150 & 0/18 & 1/1 & 7/6 & 0/0 & 34/146 & 4/3 \\
    Supernova Remnats & \texttt{SN, SNR, SNR?} & 4/2 & 0/0 & 0/0 & 0/0 & 0/0 & 1/2 & 0/0 \\
    \multicolumn{2}{l}{\textbf{Other sources}} & 185/301 & 6/51 & 7/5 & 26/5 & 6/2 & 39/280 & 1/1 \\
    Unknown source types & \texttt{Maser, X, Unknown, multiple\_object, } & 80/202 & 0/32 & 1/0 & 10/1 & 2/0 & 19/197 & 1/0 \\
    & \texttt{EmObj} & & & & \\
    Extragalactic sources & \texttt{StarburstG, GinPair, Seyfert, } & 11/62 & 4/13 & 4/4 & 3/3 & 3/1 & 10/59 & 0/0 \\
    & \texttt{AGN, Galaxy, EmG, LSB\_G, HII\_G, } & & & & \\
    No associated SIMBAD sources & & 94/37 & 2/6 & 2/1 & 13/1 & 1/1 & 10/24 & 0/1



    target type Objects (total)SFREVOLVEDMIXEDOTHER
    targeted3489/4250 (45.1) 353/327 (51.9) 2608/3465 (42.9) 0/0 (0) 92/36 (71.9)
    blind460/3 (99.4) 74/0 (100.0) 288/2 (99.3) 0/0 (0) 2/1 (66.7)
    • 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