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Extra resources for Dark Matter in Astro- and Particle Physics: Proceedings of the International Conference DARK 2004 College Station, USA, October 3–9, 2004
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De Boer -1 rot. 5 25 R [kpc] Fig. 5. The rotation curve from our galaxy with the DM contribution determined from the EGRET excess of diffuse gamma rays. The data are averaged from [10]. WIMP is between 50 and 100 GeV, one can determine the mass in the ring and consequently predict the rotation curve2 . The two ring model describes the peculiar change of slope at 11 kpc well, as shown in Fig. 5. The contributions from each of the mass terms have been shown separately. The basic explanation for the negative contribution from the outer ring is that a tracer star at the inside of the ring at 14 kpc feels an outward force from the ring, thus a negative contribution to the rotation velocity.
5 25 R [kpc] Fig. 5. The rotation curve from our galaxy with the DM contribution determined from the EGRET excess of diffuse gamma rays. The data are averaged from [10]. WIMP is between 50 and 100 GeV, one can determine the mass in the ring and consequently predict the rotation curve2 . The two ring model describes the peculiar change of slope at 11 kpc well, as shown in Fig. 5. The contributions from each of the mass terms have been shown separately. The basic explanation for the negative contribution from the outer ring is that a tracer star at the inside of the ring at 14 kpc feels an outward force from the ring, thus a negative contribution to the rotation velocity.
0M they limit Machos to being less than 25% of the dark halo, inconsistent with larger values of the MACHO allowed region, but consistent with the central value and the lower regions. Over the mass range between 10−6 M and 10−1 M they limit the total contribution of Machos to the dark matter 30 K. Griest to be less than 20%. 5 × 10−5 M make up less than 10% of the dark matter [6]. 3 Results on Dark Matter Towards M31 The MEGA [3] collaboration found 4 microlensing candidates on sources in the M31, the Andromeda galaxy.