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MEH97 - 44 GHz Methanol Masers and Quasi-Thermal Emission in Sagittarius B2

  Interferometry data

Short title: Mehringer & Menten (1997)
Authors: Mehringer, David M. Menten, Karl M.
Journal: The Astrophysical Journal, Volume 474, Issue 1, pp. 346-361.
Bibcode: 1997ApJ...474..346M

Detection table from Mehringer & Menten (1997)

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ID Obs. RA Obs. Dec RA offset Dec offset l b Group id # Location Source name Image Line Vpeak Fpeak Telescope Beam Detection
(J2000) (J2000) (arcsec) (arcsec) (deg.) (deg.) CH3OH (class I) (km/s) (Jy) (arcsec) Yes/No
1+17 47 19.7879-28 22 17.29960.677384-0.027155G0.667-0.036
Sgr B2(N) Image 44 GHz (I)
46 .. 77.30.71 .. 9.3NRAOVLA1.4 x 2.4+H2O +CH3OH I +CH3OH II +OH +SiO
+17 47 20.1921-28 22 3.170026.0614414.12920.681509-0.0263891ASgr B2(N)55.30.79
+17 47 18.804-28 22 8.27108-14.76039.028120.677661-0.0227702BSgr B2(N)67.50.88
+17 47 18.7145-28 22 9.47761-16.1037.821590.677204-0.0226633CSgr B2(N)70.10.84
+17 47 19.7147-28 22 9.50485-1.100177.794350.679097-0.0258034DSgr B2(N)69.11.97
+17 47 19.7347-28 22 9.60339-0.7994947.695810.679112-0.0258805ESgr B2(N)65.51.03
+17 47 19.3851-28 22 10.7288-6.043386.570360.678181-0.0249466FSgr B2(N)65.53.44
+17 47 17.4318-28 22 27.6712-35.3425-10.3720.670446-0.0212587GSgr B2(N)61.83.06
+17 47 17.3961-28 22 37.974-35.8781-20.67480.667930-0.0226298HSgr B2(N)72.71.38
+17 47 17.5395-28 22 45.9637-33.7276-28.66450.666304-0.0242289ISgr B2(N)751.12
+17 47 18.1109-28 22 49.0221-25.1569-31.72290.666662-0.02646010JSgr B2(N)770.85
+17 47 15.9811-28 22 50.4771-57.1035-33.17790.662272-0.01999111KSgr B2(N)73.73.3
+17 47 18.3317-28 22 50.8061-21.8452-33.50690.666658-0.02740912LSgr B2(N)77.30.86
+17 47 18.4437-28 22 55.698-20.1642-38.39880.665708-0.02846413MSgr B2(N)72.70.74
+17 47 18.8361-28 23 1.16958-14.2789-43.87040.665153-0.03048214NSgr B2(N)64.20.74
+17 47 18.8476-28 23 4.7688-14.1063-47.46960.664320-0.03103615OSgr B2(N)67.20.79
+17 47 17.3877-28 23 5.67502-36.0045-48.37580.661332-0.02658916PSgr B2(N)460.71
+17 47 17.8301-28 23 11.1429-29.3691-53.84370.660873-0.02876317QSgr B2(N)57.21.15
+17 47 18.4328-28 23 41.2995-20.3285-84.00030.654852-0.03499218RSgr B2(N)71.49.3
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  • Distribution of sources in all sky (l,b)

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  • Distribution of sources in all sky using Aladin

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  • Distribution of sources in IRAS color-color diagram

    Tip: Use "Box select" or "Lasso select" to display colour-selected sources in Aladin all-sky view

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    Original color diagram is taken form van der Veen & Habing (1987)

    Type Description
    I Oxygen-rich non-variable stars without circumstellar shells
    II Variable stars with "young" O-rich circumstellar shells
    IIIa Variable stars with more evolved O-rich circumstellar shells
    IIIb Variable stars with thick O-rich circumstellar shells
    IV Variable stars with very thick O-rich circumstellar shells
    V Planetary nebulae and non- variable stars with very cool circumstellar shells
    VIa Variable stars with relatively cold dust at large distances; a significant part of the stars is carbon-rich
    VIb Variable stars with relatively hot dust close to the star and relatively cold dust at large distances; Some of the objects have proven to be O-rich
    VII Variable stars with more evolved C-rich circumstellar shells
    VIII Different sort of objects

  • Distribution of the detection velocities versus galactic longitude from MEH97

    Tip: Use "Box select" or "Lasso select" to display velocity-selected sources in Aladin all-sky view

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    Longitude-Velocity Map is taken form Dame, Hartmann & Thaddeus (2001)

  • Distribution of sources from MEH97 in (l,b) histograms



    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
    2MASS K