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Select data type: CH3OH_I, CH3OH_II

CHE15 - Detection of a Methanol Megamaser in a Major-Merger Galaxy

  Interferometry data

Short title: Chen et al. (2015)
Authors: Chen, Xi Ellingsen, Simon P. Baan, Willem A. Qiao, Hai-Hua Li, Juan An, Tao Breen, Shari L.
Journal: The Astrophysical Journal Letters, Volume 800, Issue 1, article id. L2, 5 pp. (2015).
Bibcode: 2015ApJ...800L...2C

PDF: CHE15.pdf

Detection table from Chen et al. (2015)

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ID Obs. RA Obs. Dec RA offset Dec offset l b Group id # Source name Image Line Vpeak Fpeak ∫F dv Telescope Beam Detection Date
(J2000) (J2000) (arcsec) (arcsec) (deg.) (deg.) CH3OH (class II) (km/s) (mJy) (mJy*km/s) (arcsec) Yes/No
1+15 34 57.2+23 30 1236.62757253.028605G36.627+53.031
Arp 220 Image 37 GHz (II)
5138 .. 605524 .. 461.4 .. 3.6ATCA9 x 6.6+CH3OH I +CH3OH II -OH 2014 March 26
+15 34 57.2+23 30 120.00120.001236.62757253.0286051Arp 2205138(13)241.7(7.1)
+15 34 57.2+23 30 120.00120.001236.62757253.0286052Arp 2205346(7)422.4(6.3)
+15 34 57.2+23 30 120.00120.001236.62757253.0286053Arp 2205487(7)371.9(6.1)
+15 34 57.2+23 30 120.00120.001236.62757253.0286054Arp 2205675(11)373.6(9.3)
+15 34 57.2+23 30 120.00120.001236.62757253.0286055Arp 2205773(7)361.4(6.0)
+15 34 57.2+23 30 120.00120.001236.62757253.0286056Arp 2205861(5)461.7 ( 5.4)
+15 34 57.2+23 30 120.00120.001236.62757253.0286057Arp 2206055(13)313.5(9.3)
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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

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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 CHE15

    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 CHE15 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