2012ApJ...747..121A

Query : 2012ApJ...747..121A

2012ApJ...747..121A - Astrophys. J., 747, 121 (2012/March-2)

Search for dark matter satellites using Fermi-LAT.

ACKERMANN M., ALBERT A., BALDINI L., BALLET J., BARBIELLINI G., BASTIERI D., BECHTOL K., BELLAZZINI R., BLANDFORD R.D., BLOOM E.D., BONAMENTE E., BORGLAND A.W., BOTTACINI E., BRANDT T.J., BREGEON J., BRIGIDA M., BRUEL P., BUEHLER R., BURNETT T.H., CALIANDRO G.A., CAMERON R.A., CARAVEO P.A., CASANDJIAN J.M., CECCHI C., CHARLES E., CHIANG J., CIPRINI S., CLAUS R., COHEN-TANUGI J., CONRAD J., CUTINI S., DE PALMA F., DERMER C.D., DIGEL S.W., DO COUTO E SILVA E., DRELL P.S., DRLICA-WAGNER A., ESSIG R., FALLETTI L., FAVUZZI C., FEGAN S.J., FOCKE W.B., FUKAZAWA Y., FUNK S., FUSCO P., GARGANO F., GERMANI S., GIGLIETTO N., GIORDANO F., GIROLETTI M., GLANZMAN T., GODFREY G., GRENIER I.A., GUIRIEC S., GUSTAFSSON M., HADASCH D., HAYASHIDA M., HOU X., HUGHES R.E., JOHNSON R.P., JOHNSON A.S., KAMAE T., KATAGIRI H., KATAOKA J., KNODLSEDER J., KUSS M., LANDE J., LATRONICO L., LEE S.-H., LIONETTO A.M., GARDE M.L., LONGO F., LOPARCO F., LOVELLETTE M.N., LUBRANO P., MAZZIOTTA M.N., McENERY J.E., MICHELSON P.F., MITTHUMSIRI W., MIZUNO T., MOISEEV A.A., MONTE C., MONZANI M.E., MORSELLI A., MOSKALENKO I.V., MURGIA S., NAUMANN-GODO M., NORRIS J.P., NUSS E., OHSUGI T., OKUMURA A., ORLANDO E., ORMES J.F., OZAKI M., PANEQUE D., PELASSA V., PIERBATTISTA M., PIRON F., PIVATO G., PORTER T.A., RAINO S., RANDO R., RAZZANO M., REIMER A., REIMER O., RITZ S., SADROZINSKI H.F.-W., SEHGAL N., SGRO C., SISKIND E.J., SPINELLI P., STRIGARI L., SUSON D.J., TAJIMA H., TAKAHASHI H., TANAKA T., THAYER J.G., THAYER J.B., TIBALDO L., TINIVELLA M., TORRES D.F., TROJA E., UCHIYAMA Y., USHER T.L., VANDENBROUCKE J., VASILEIOU V., VIANELLO G., VITALE V., WAITE A.P., WANG P., WINER B.L., WOOD K.S., YANG Z., ZALEWSKI S. and ZIMMER S.

Abstract (from CDS):

Numerical simulations based on the ΛCDM model of cosmology predict a large number of as yet unobserved Galactic dark matter satellites. We report the results of a Large Area Telescope (LAT) search for these satellites via the γ-ray emission expected from the annihilation of weakly interacting massive particle (WIMP) dark matter. Some dark matter satellites are expected to have hard γ-ray spectra, finite angular extents, and a lack of counterparts at other wavelengths. We sought to identify LAT sources with these characteristics, focusing on γ-ray spectra consistent with WIMP annihilation through the b{bar}b channel. We found no viable dark matter satellite candidates using one year of data, and we present a framework for interpreting this result in the context of numerical simulations to constrain the velocity-averaged annihilation cross section for a conventional 100 GeV WIMP annihilating through the b{bar}b channel.

Abstract Copyright: ∼

Journal keyword(s): dark matter - galaxies: dwarf - gamma rays: galaxies

Simbad objects: 7

Full paper

View the references in ADS

Number of rows : 7

N	Identifier	Otype	ICRS (J2000) RA	ICRS (J2000) DEC	Mag U	Mag B	Mag V	Mag R	Sp type	#ref 1850 - 2026	#notes
1	PSR J0030+0451	Psr	00 30 27.42348	+04 51 39.7144					~	596	1
2	NAME Segue 1	G	10 07 03.2	+16 04 25			15.3		~	517	1
3	PSR J1302-32	Psr	13 02 25.5358887	-32 58 36.833496					~	35	0
4	Z 300-12	G	17 20 14.335	+57 55 16.39		12.40	10.6		~	1428	1
5	NAME Galactic Center	reg	17 45 39.60213	-29 00 22.0000					~	16269	0
6	RX J2324.7-4040	BLL	23 24 44.6723616768	-40 40 49.444171248	15.88	15.72	15.54	16.84	~	88	1
7	PKS 2322-411	rG	23 25 03.37926431	-40 51 30.0883046					~	21	1

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