Table 2.

Sizes and isotopic compositions of presolar O-rich grains.

Grain	Size (nm)	Size (nm, corrected)	Group	17O/16O (× 10−4)	18O/16O (× 10−3)	Si−/O− (× 10−3)	AlO−/O− (× 10−4)
DOM-1	207	168	1	5.30 ± 0.26	1.990 ± 0.049	8.81 ± 0.10	4.5 ± 0.2
DOM-2	237	205	1	5.26 ± 0.24	1.944 ± 0.046	13.50 ± 0.12	4.4 ± 0.2
DOM-3	545	532	1	9.91 ± 0.18	1.820 ± 0.023	10.21 ± 0.05	13.2 ± 0.2
DOM-4	229	195	1	5.49 ± 0.29	1.892 ± 0.056	7.66 ± 0.11	10.9 ± 0.4
DOM-5	192	150	3	3.42 ± 0.26	1.700 ± 0.057	8.81 ± 0.12	2.0 ± 0.2
DOM-6	261	232	1	5.56 ± 0.28	2.010 ± 0.050	7.38 ± 0.10	25.6 ± 0.6
DOM-7	275	248	1	6.09 ± 0.32	1.348 ± 0.055	10.14 ± 0.13	5.1 ± 0.3
DOM-8	522	508	1	8.83 ± 0.17	1.972 ± 0.025	10.19 ± 0.06	23.2 ± 0.3
DOM-9	241	209	1	6.34 ± 0.39	1.978 ± 0.066	9.19 ± 0.14	10.0 ± 0.5
DOM-10	333	310	1	6.14 ± 0.30	1.949 ± 0.051	5.63 ± 0.09	41.8 ± 0.7
DOM-11	938	930	1	4.97 ± 0.18	1.917 ± 0.034	7.74 ± 0.07	21.7 ± 0.4
DOM-12	382	362	1	6.21 ± 0.17	1.576 ± 0.029	16.89 ± 0.09	13.6 ± 0.2
DOM-13	257	227	1	7.05 ± 0.24	2.006 ± 0.039	13.88 ± 0.10	15.1 ± 0.3
DOM-14	282	255	1	8.20 ± 0.31	1.994 ± 0.046	11.96 ± 0.11	15.0 ± 0.4
DOM-15	268	240	1	5.03 ± 0.21	2.043 ± 0.041	13.05 ± 0.11	16.7 ± 0.4
DOM-16	330	307	1	6.57 ± 0.19	1.473 ± 0.031	12.21 ± 0.08	28.2 ± 0.4
DOM-17	363	343	1	23.63 ± 0.57	2.050 ± 0.051	17.57 ± 0.15	7.8 ± 0.3
DOM-18	324	301	1	6.75 ± 0.21	1.325 ± 0.035	15.20 ± 0.10	24.6 ± 0.4
DOM-19	225	190	1	5.89 ± 0.34	1.886 ± 0.060	18.11 ± 0.18	8.4 ± 0.4
DOM-20	176	129	4	5.97 ± 0.48	2.259 ± 0.088	15.90 ± 0.24	7.2 ± 0.5
DOM-21	369	349	1	7.47 ± 0.37	1.989 ± 0.057	15.11 ± 0.16	3.5 ± 0.2
DOM-22	245	214	1	6.90 ± 0.33	1.993 ± 0.053	12.65 ± 0.13	8.4 ± 0.3
DOM-23	268	240	2	5.76 ± 0.36	1.048 ± 0.063	12.27 ± 0.16	42.7 ± 0.9
DOM-24	361	340	1	6.21 ± 0.16	1.944 ± 0.028	8.88 ± 0.06	120.5 ± 0.7
DOM-25	253	223	1	5.54 ± 0.22	1.967 ± 0.039	10.62 ± 0.09	180.7 ± 1.2
DOM-26	257	227	1	5.47 ± 0.42	1.604 ± 0.077	15.39 ± 0.22	15.9 ± 0.7
DOM-27	245	214	1	7.17 ± 0.28	2.092 ± 0.045	11.93 ± 0.11	37.4 ± 0.6
DOM-28	245	214	1	5.30 ± 0.23	1.891 ± 0.043	13.33 ± 0.11	73.1 ± 0.8
DOM-29	350	329	4	3.72 ± 0.19	2.490 ± 0.047	9.33 ± 0.09	5.2 ± 0.2
DOM-30	176	129	1	3.78 ± 0.46	2.573 ± 0.123	5.11 ± 0.18	27.0 ± 1.3
DOM-31	384	365	1	8.12 ± 0.20	1.866 ± 0.032	10.57 ± 0.07	15.3 ± 0.3
DOM-32	318	294	1	8.60 ± 0.25	2.001 ± 0.039	8.06 ± 0.08	22.3 ± 0.4
DOM-33	427	410	1	9.11 ± 0.24	1.724 ± 0.037	4.60 ± 0.06	108.6 ± 0.9
DOM-34	268	240	1	5.37 ± 0.23	1.636 ± 0.046	7.32 ± 0.09	12.5 ± 0.4
DOM-35	257	227	1	4.92 ± 0.22	2.066 ± 0.046	4.84 ± 0.07	46.1 ± 0.7
DOM-36	275	248	1	6.29 ± 0.27	1.918 ± 0.050	8.55 ± 0.11	24.3 ± 0.6
DOM-37	330	307	1	7.08 ± 0.28	1.966 ± 0.048	9.59 ± 0.11	6.4 ± 0.3
DOM-38	275	248	1	5.21 ± 0.22	2.013 ± 0.044	7.37 ± 0.09	34.5 ± 0.6
DOM-39	279	252	1	6.97 ± 0.27	1.868 ± 0.046	8.06 ± 0.10	31.2 ± 0.6
DOM-40	268	240	1	5.07 ± 0.28	1.512 ± 0.057	9.45 ± 0.13	9.8 ± 0.4
DOM-41	305	281	1	6.25 ± 0.21	2.034 ± 0.038	10.97 ± 0.10	57.1 ± 0.7
DOM-42	245	214	4	5.71 ± 0.33	1.610 ± 0.064	9.92 ± 0.16	11.8 ± 0.5
DOM-43	253	223	4	3.76 ± 0.23	2.365 ± 0.058	7.78 ± 0.11	17.6 ± 0.5
DOM-44	241	209	1	6.43 ± 0.42	1.635 ± 0.073	12.14 ± 0.18	n.m.
DOM-45	282	255	1	6.18 ± 0.18	1.654 ± 0.031	8.84 ± 0.06	n.m.
DOM-46	229	195	4	5.22 ± 0.24	2.685 ± 0.053	16.53 ± 0.12	n.m.
DOM-47	257	227	1	6.16 ± 0.19	1.576 ± 0.034	8.76 ± 0.07	n.m.
DOM-48	436	420	1	4.70 ± 0.11	1.973 ± 0.022	12.80 ± 0.06	n.m.
DOM-49	220	185	1	5.10 ± 0.30	2.052 ± 0.059	19.24 ± 0.15	n.m.
DOM-50	253	223	1	5.91 ± 0.25	2.009 ± 0.045	12.67 ± 0.10	n.m.
DOM-51	296	270	1	4.44 ± 0.22	1.657 ± 0.045	22.83 ± 0.12	n.m.
DOM-52	299	274	1	6.02 ± 0.19	1.962 ± 0.034	17.33 ± 0.09	n.m.
DOM-53	220	185	1	5.13 ± 0.19	1.946 ± 0.037	5.58 ± 0.06	n.m.
DOM-54	296	270	1	5.40 ± 0.19	1.926 ± 0.036	17.33 ± 0.10	n.m.
DOM-55	197	156	4	4.36 ± 0.40	2.449 ± 0.095	14.02 ± 0.23	n.m.
DOM-56	176	129	1	6.22 ± 0.45	2.017 ± 0.080	7.12 ± 0.15	n.m.
DOM-57	207	168	4	4.30 ± 0.34	2.488 ± 0.082	7.51 ± 0.14	n.m.
DOM-58	237	205	4	4.61 ± 0.57	3.101 ± 0.146	11.88 ± 0.29	n.m.
DOM-59	225	190	1	5.34 ± 0.29	1.964 ± 0.055	2.56 ± 0.06	n.m.
DOM-60	202	162	4	3.18 ± 0.44	2.809 ± 0.119	1.47 ± 0.09	n.m.
DOM-61	344	323	1	4.73 ± 0.12	2.042 ± 0.024	12.32 ± 0.06	n.m.
DOM-62	253	223	1	5.45 ± 0.19	1.684 ± 0.036	10.53 ± 0.08	n.m.
DOM-63	344	323	1	7.58 ± 0.21	1.964 ± 0.033	13.22 ± 0.09	n.m.
DOM-64	153	094	4	3.35 ± 0.44	2.559 ± 0.111	12.59 ± 0.25	n.m.
DOM-65	220	185	4	4.05 ± 0.24	2.664 ± 0.059	14.01 ± 0.14	n.m.
DOM-66	268	240	1	8.21 ± 0.26	1.909 ± 0.039	8.16 ± 0.08	n.m.
DOM-67	153	094	4	4.12 ± 0.26	2.248 ± 0.059	13.93 ± 0.15	n.m.
DOM-68	292	267	1	5.94 ± 0.17	1.628 ± 0.031	16.49 ± 0.10	n.m.
DOM-69	197	156	1	7.70 ± 0.42	1.974 ± 0.066	20.68 ± 0.23	n.m.
DOM-70	299	274	1	4.75 ± 0.20	1.671 ± 0.039	17.33 ± 0.12	n.m.
DOM-71	272	244	1	6.08 ± 0.18	1.910 ± 0.032	7.22 ± 0.06	n.m.
DOM-72	197	156	4	3.69 ± 0.21	2.285 ± 0.051	14.38 ± 0.14	n.m.
DOM-73	253	223	1	6.39 ± 0.34	2.096 ± 0.059	20.37 ± 0.20	n.m.
DOM-74	257	227	1	5.61 ± 0.20	1.973 ± 0.037	11.20 ± 0.09	n.m.
DOM-75	220	185	4	3.86 ± 0.18	2.709 ± 0.047	10.52 ± 0.09	n.m.
DOM-76	253	223	1	6.24 ± 0.22	1.481 ± 0.038	13.91 ± 0.10	n.m.
DOM-77	369	349	1	6.01 ± 0.16	1.259 ± 0.052	15.10 ± 0.08	n.m.
DOM-78	264	236	1	6.93 ± 0.32	1.915 ± 0.060	13.57 ± 0.11	n.m.
DOM-79	416	398	1	5.41 ± 0.13	2.067 ± 0.042	12.25 ± 0.06	n.m.
DOM-80	416	398	1	8.17 ± 0.16	2.056 ± 0.026	5.02 ± 0.04	32.6 ± 0.3
DOM-81	279	252	1	6.40 ± 0.20	1.460 ± 0.037	6.25 ± 0.06	26.1 ± 0.4
DOM-82	211	174	1	5.93 ± 0.26	2.053 ± 0.050	5.02 ± 0.08	79.7 ± 1.0
DOM-83	341	320	1	8.98 ± 0.20	1.810 ± 0.030	5.95 ± 0.05	37.8 ± 0.4
DOM-84	237	205	1	5.37 ± 0.25	1.925 ± 0.050	5.96 ± 0.09	43.0 ± 0.7
DOM-85	299	274	1	15.41 ± 0.83	2.082 ± 0.099	7.00 ± 0.18	51.4 ± 1.5
DOM-86	182	136	1	4.72 ± 0.21	2.173 ± 0.046	2.79 ± 0.05	77.6 ± 0.9
DOM-87	302	277	1	5.09 ± 0.15	1.951 ± 0.031	2.82 ± 0.04	35.6 ± 0.4
DOM-88	253	223	1	5.13 ± 0.18	1.957 ± 0.037	3.78 ± 0.05	28.3 ± 0.4
DOM-89	402	383	2	7.80 ± 0.18	1.124 ± 0.031	4.46 ± 0.05	223.5 ± 1.0
DOM-90	279	252	1	5.65 ± 0.20	1.935 ± 0.039	4.99 ± 0.06	27.5 ± 0.5
DOM-91	296	270	1	5.54 ± 0.20	1.725 ± 0.038	3.60 ± 0.05	49.4 ± 0.6
DOM-92	220	185	1	4.58 ± 0.26	1.655 ± 0.056	2.82 ± 0.07	93.7 ± 1.2
DOM-93	207	168	1	5.37 ± 0.29	2.105 ± 0.057	4.79 ± 0.09	73.6 ± 1.1
DOM-94	358	337	1	5.25 ± 0.14	1.917 ± 0.028	2.93 ± 0.04	83.1 ± 0.6
DOM-95	192	150	4	3.44 ± 0.31	2.368 ± 0.077	4.07 ± 0.11	48.6 ± 1.2
DOM-96	533	519	4	3.51 ± 0.17	4.773 ± 0.060	3.30 ± 0.05	2.2 ± 0.1
DOM-97	341	320	1	5.14 ± 0.18	1.952 ± 0.035	4.16 ± 0.05	158.9 ± 1.0
DOM-98	387	368	1	5.57 ± 0.17	1.477 ± 0.032	5.68 ± 0.06	139.7 ± 0.9
DOM-99	523	509	1	6.03 ± 0.14	1.891 ± 0.025	4.03 ± 0.04	38.5 ± 0.4
DOM-100	377	357	1	6.61 ± 0.19	1.372 ± 0.034	4.21 ± 0.05	43.1 ± 0.5
DOM-101	379	360	1	6.17 ± 0.22	1.619 ± 0.039	7.23 ± 0.08	23.2 ± 0.5