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We report Chandra and XMM-Newton observations of the transient neutron starlow-mass X-ray binary GRS 1741.9-2853. Chandra detected the source in outburston 2000 October 26 at an X-ray luminosity of ~10^{36} erg/s (2--8 keV; 8 kpc),and in quiescence on 2001 July 18 at ~10^{32} erg/s. The latter observation isthe first detection of GRS 1741.9-2853 in quiescence. We obtain an accurateposition for the source of 17h 45m 2.33s, -28o 54' 49.7" (J2000), with anuncertainty of 0.7". GRS 1741.9-2853 was not detected significantly in threeother Chandra observations, nor in three XMM-Newton observations, indicatingthat the luminosity of the source in quiescence varies by at least a factor of5 between (< 0.9 - 5.0) \times 10^{32} erg/s (2--8 keV). A weak X-ray burstwith a peak luminosity of 5 \times 10^{36} erg/s above the persistent level wasobserved with Chandra during the outburst on 2000 October 26. The energy ofthis burst, 10^{38} erg, is unexpectedly low, and may suggest that the accretedmaterial is confined to the polar caps of the neutron star. A search of theliterature reveals that GRS 1741.9-2853 was observed in outburst with ASCA inFall 1996 as well, when the BeppoSAX WFC detected the three previous X-raybursts from this source. The lack of X-ray bursts from GRS 1741.9-2853 at otherepochs suggests that it produces bursts only during transient outbursts whenthe accretion rate onto the surface of the neutron star is about 10^{-10}M_sun/yr. A similar situation may hold for other low-luminosity burstersrecently identified from WFC data.Comment: Submitted to ApJ. 9 pages, including 5 figure

The X‐Ray Binary GRS 1741.9−2853 in Outburst and Quiescence