X-ray Study of Low-mass Young Stellar Objects in the ρ Ophiuchi ...

44 CHAPTER 5. CHANDRA OBSERVATIONS OF THE ρ OPHIUCHI CLOUDTable 5.2 (Continued)No. Counts * R.A. † Decl. † < kT > ‡ log(< EM >) ‡ N ‡ H Flux § L § X Red-χ 2‖ Comment(J2000) (J2000) (keV) (cm −3 ) (10 22 cm −2 )BF-68 # 25.1 27 29.42 39 16.0 5.0(fixed) 51.6(51.2–52.1) 10.5(4.2– 0.6 0.5 1.47(3)38.0)BF-69 95.1 27 29.99 33 36.7 3.2(1.6– 52.2(51.8–52.7) 6.1(4.0–9.6) 2.1 1.8 0.71(14)10.1)BF-70 # 12.9 27 30.13 38 03.7 1.0(fixed) 52.7(51.3–53.8) 18.4(3.0– 0.2 4.2 0.73(2)78.4)5.0(fixed) 51.0(50.5–51.6) 3.9(1.1–27.1) 0.3 0.2 0.19(2)BF-71 233.7 27 30.15 27 43.6 1.6(0.9–2.6) 52.6(52.2–53.2) 3.5(2.3–5.3) 2.6 3.6 1.47(46)BF-72 194.8 27 31.09 34 03.4 1.6(1.3–2.3) 52.0(51.8–52.4) 1.3(0.9–1.5) 1.2 1.0 1.11(31) Quiescent1.2(>0.4) 52.6(52.3–53.9) ... 3.7 3.8 ... FlareBF-73 74.7 27 31.33 31 10.1 3.1(>1.2) 52.1(51.6–53.0) 7.9(4.3–15.1) 1.5 1.6 1.14(13)BF-74 # 9.8 27 32.12 29 43.3 1.0(fixed) 51.9(51.3–52.3) 5.1(2.6–9.6) 0.1 0.7 1.30(1)BF-75 357.5 27 32.72 33 24.3 1.9(1.4–2.8) 52.7(52.5–53.0) 3.8(3.2–4.8) 4.8 5.3 1.13(60)BF-76 189.2 27 32.89 32 35.0 1.7(1.2–2.5) 52.4(52.2–52.7) 3.1(2.4–4.1) 2.1 2.4 1.11(31)BF-77 # 14.3 27 33.04 31 48.3 1.0(fixed) 52.8(51.8–54.8) 22.7(7.0– 0.2 2.0 1.95(1)173.4)5.0(fixed) 51.4(50.7–52.3) 11.4(1.8– 0.4 0.2 0.81(1)81.4)BF-78 2853.7 27 33.15 41 15.4 2.1(1.9–2.3) 53.4(53.3–53.4) 1.9(1.8–2.0) 32.2 23.1 1.60(117) Quiescent4.0(3.2–5.0) 53.6(53.5–53.7) ... 105.0 52.8 ... FlareBF-79 96.4 27 35.29 38 33.7 0.7(0.6–0.8) 51.6(51.3–51.9) 0.6(0.3–0.8) 0.4 0.4 1.06(19)BF-80 # 27.9 27 36.01 32 18.0 5.0(fixed) 51.5(50.8–51.8) 6.3(0.8–15.2) 0.6 0.4 1.21(5)BF-81 # 11.1 27 36.08 34 30.6 1.0(fixed) 53.5(52.4–54.8) 40.8(13.1– 0.4 26.4 0.53(1)113.5)5.0(fixed) 51.7(51.0–52.8) 18.5(5.2– 0.6 0.7 0.19(1)78.6)BF-82 26.4 27 37.26 42 37.4 1.6(0.6–5.1) 51.9(51.2–53.1) 3.7(1.9–8.1) 0.5 0.7 0.77(9)BF-83 # 18.8 27 37.83 36 04.7 1.0(fixed) 52.7(51.9–53.2) 15.6(5.9– 0.3 4.8 0.71(3)34.5)5.0(fixed) 51.2(50.7–51.6) 4.5(1.2–17.6) 0.4 0.2 0.50(3)BF-84 175.7 27 38.16 30 42.6 1.1(0.9–1.5) 52.3(52.1–52.4) 1.9(1.6–2.2) 1.1 1.7 0.92(31) Quiescent1.2(0.8–1.8) 52.7(52.4–53.1) ... 3.0 4.2 ... FlareBF-85 1162.0 27 38.35 36 58.4 1.7(1.5–1.9) 53.1(53.0–53.2) 1.9(1.7–2.1) 12.3 10.7 1.25(48)BF-86 264.6 27 38.67 38 39.2 1.6(0.9–2.0) 52.1(51.9–52.5) 0.8(0.6–1.5) 1.7 1.0 1.19(46)BF-87 764.1 27 38.98 40 20.5 3.2(2.3–4.4) 52.9(52.7–53.1) 8.8(7.5–10.6) 8.2 8.7 1.04(71) Quiescent4.5(3.8–5.9) 54.0(53.8–54.2) ... 148.7 126.1 ... FlareBF-88 6909.3 27 39.47 39 15.5 2.2(2.0–2.5) 53.6(53.5–53.6) 1.8(1.7–1.9) 54.7 36.5 1.18(290) Quiescent3.2(2.9–3.7) 53.7(53.7–53.8) ... 119.8 64.8 ... Flare12.9(2.6–3.1) 53.8(53.7–53.8) ... 111.1 64.1 ... Flare22.2(1.9–2.7) 53.7(53.6–53.7) ... 66.9 44.7 ... Flare3BF-89 908.5 27 39.88 43 15.3 1.8(1.6–2.1) 53.3(53.2–53.5) 5.4(4.9–6.1) 12.6 18.5 0.84(115) Quiescent# 5.0(fixed) 53.6(53.6–53.7) ... 93.2 61.2 ... Flare12.3(1.6–3.0) 53.5(53.3–53.7) ... 27.3 30.5 ... Flare22.5(1.5–5.9) 53.8(53.5–54.1) ... 64.5 65.1 ... Flare3BF-90 52.2 27 41.53 35 37.6 1.4(0.7–3.7) 51.9(51.4–52.8) 2.6(1.9–4.3) 0.5 0.7 1.18(9)BF-91 125.9 27 42.79 38 51.0 0.9(0.7–1.1) 52.6(52.0–53.0) 2.9(1.7–3.9) 0.9 3.3 1.41(21)BF- 229.0 27 43.63 31 26.5 >5.8 52.3(52.3–52.4) 6.0(4.9–7.5) 6.5 3.6 1.03(22) Quiescent92 ‖‖‖ >1.5 52.8(52.5–52.9) ... 17.9 10.0 ... FlareBF-93 # 15.9 27 45.51 38 08.9 5.0(fixed) 51.9(50.1–56.8) 29.1(