The Distance to Supernova Remnant CTB 109 Deduced from Its Environment | Zendy

R. Kothes | Zendy; Bülent Uyanıker | Zendy; A. Yar | Zendy

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The Distance to Supernova Remnant CTB 109 Deduced from Its Environment

Author(s) -

R. Kothes,

Bülent Uyanıker,

A. Yar

Publication year - 2002

Publication title -

the astrophysical journal

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 2.376

H-Index - 489

eISSN - 1538-4357

pISSN - 0004-637X

DOI - 10.1086/341545

Subject(s) - spiral galaxy , supernova remnant , physics , astrophysics , spiral (railway) , galactic plane , supernova , enhanced data rates for gsm evolution , shock (circulatory) , astronomy , stars , computer science , mathematics , artificial intelligence , medicine , mathematical analysis

We conducted a study of the environment around the supernova remnant CTB109.We found that the SNR is part of a large complex of HII regions extending overan area of 400 pc along the Galactic plane at a distance of about 3 kpc at thecloser edge of the Perseus spiral arm. At this distance CTB109 has a diameterof about 24 pc. We demonstrated that including spiral shocks in the distanceestimation is an ultimate requirement to determine reliable distances toobjects located in the Perseus arm. The most likely explanation for the highconcentration of HII regions and SNRs is that the star formation in this partof the Perseus arm is triggered by the spiral shock.Comment: 6 pages, 6 figures. accepted for publication in the Astrophysical Journa

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