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User:Amaurea/s stars

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Inferred orbits of stars around supermassive black hole candidate Sagittarius A* at the Milky Way's center according to Gillessen et al. 2017,[1] with the exception of S2 which is from GRAVITY 2019.[2] Here id is the star's name in the Gillessen catalog. a, e, i, Ω and ω are standard orbital elements, with a measured in arcseconds. Tp is the epoch of pericenter passage, P is the orbital period in years and Kmag is the K-band apparent magnitude of the star. r and v are the pericenter distance in AU and pericenter speed in percent of the speed of light,[3] and Δ indicates the standard deviation of the associated quantities.

id a Δa e Δe i (°) Δi Ω (°) ΔΩ ω (°) Δω Tp (yr) ΔTp P (yr) ΔP Kmag r (AU) Δr v (%c) Δv
S1 0.5950 0.0240 0.5560 0.0180 119.14 0.21 342.04 0.32 122.30 1.40 2001.800 0.150 166.0 5.8 14.70 2160.7 6.7 0.55 0.03
S2 0.1251 0.0001 0.8843 0.0001 133.91 0.05 228.07 0.04 66.25 0.04 2018.379 0.001 16.1 0.0 13.95 118.4 0.2 2.56 0.00
S4 0.3570 0.0037 0.3905 0.0059 80.33 0.08 258.84 0.07 290.80 1.50 1957.400 1.200 77.0 1.0 14.40 1779.7 25.1 0.57 0.01
S6 0.6574 0.0006 0.8400 0.0003 87.24 0.06 85.07 0.12 116.23 0.07 2108.610 0.030 192.0 0.2 15.40 860.3 4.4 0.94 0.00
S8 0.4047 0.0014 0.8031 0.0075 74.37 0.30 315.43 0.19 346.70 0.41 1983.640 0.240 92.9 0.4 14.50 651.7 22.5 1.07 0.01
S9 0.2724 0.0041 0.6440 0.0200 82.41 0.24 156.60 0.10 150.60 1.00 1976.710 0.920 51.3 0.7 15.10 793.2 36.9 0.93 0.02
S12 0.2987 0.0018 0.8883 0.0017 33.56 0.49 230.10 1.80 317.90 1.50 1995.590 0.040 58.9 0.2 15.50 272.9 2.0 1.69 0.01
S13 0.2641 0.0016 0.4250 0.0023 24.70 0.48 74.50 1.70 245.20 2.40 2004.860 0.040 49.0 0.1 15.80 1242.0 2.4 0.69 0.01
S14 0.2863 0.0036 0.9761 0.0037 100.59 0.87 226.38 0.64 334.59 0.87 2000.120 0.060 55.3 0.5 15.70 56.0 3.8 3.83 0.06
S17 0.3559 0.0096 0.3970 0.0110 96.83 0.11 191.62 0.21 326.00 1.90 1991.190 0.410 76.6 1.0 15.30 1755.3 16.4 0.57 0.02
S18 0.2379 0.0015 0.4710 0.0120 110.67 0.18 49.11 0.18 349.46 0.66 1993.860 0.160 41.9 0.2 16.70 1029.3 3.8 0.77 0.01
S19 0.5200 0.0940 0.7500 0.0430 71.96 0.35 344.60 0.62 155.20 2.30 2005.390 0.160 135.0 14.0 16.00 1063.3 4.5 0.83 0.20
S21 0.2190 0.0017 0.7640 0.0140 58.80 1.00 259.64 0.62 166.40 1.10 2027.400 0.170 37.0 0.3 16.90 422.7 3.6 1.32 0.02
S22 1.3100 0.2800 0.4490 0.0880 105.76 0.95 291.70 1.40 95.00 20.00 1996.900 10.200 540.0 63.0 16.60 5903.7 9.7 0.32 0.10
S23 0.2530 0.0120 0.5600 0.1400 48.00 7.10 249.00 13.00 39.00 6.70 2024.700 3.700 45.8 1.6 17.80 910.5 1.6 0.85 0.06
S24 0.9440 0.0480 0.8970 0.0049 103.67 0.42 7.93 0.37 290.00 15.00 2024.500 0.030 331.0 16.0 15.60 795.3 30.8 0.99 0.07
S29 0.4280 0.0190 0.7280 0.0520 105.80 1.70 161.96 0.80 346.50 5.90 2025.960 0.940 101.0 2.0 16.70 952.2 67.4 0.87 0.05
S31 0.4490 0.0100 0.5497 0.0025 109.03 0.27 137.16 0.30 308.00 3.00 2018.070 0.140 108.0 1.2 15.70 1653.7 14.6 0.63 0.02
S33 0.6570 0.0260 0.6080 0.0640 60.50 2.50 100.10 5.50 303.70 1.60 1928.000 12.000 192.0 5.2 16.00 2106.5 179.7 0.56 0.03
S38 0.1416 0.0002 0.8201 0.0007 171.10 2.10 101.06 0.24 17.99 0.25 2003.190 0.010 19.2 0.0 17.00 208.4 1.5 1.91 0.01
S39 0.3700 0.0150 0.9236 0.0021 89.36 0.73 159.03 0.10 23.30 3.80 2000.060 0.060 81.1 1.5 16.80 231.2 3.3 1.86 0.09
S42 0.9500 0.1800 0.5670 0.0830 67.16 0.66 196.14 0.75 35.80 3.20 2008.240 0.750 335.0 58.0 17.50 3364.4 24.8 0.44 0.13
S54 1.2000 0.8700 0.8930 0.0780 62.20 1.40 288.35 0.70 140.80 2.30 2004.460 0.070 477.0 199.0 17.50 1050.2 1.9 0.86 0.78
S55 0.1078 0.0010 0.7209 0.0077 150.10 2.20 325.50 4.00 331.50 3.90 2009.340 0.040 12.8 0.1 17.50 246.1 4.1 1.70 0.02
S60 0.3877 0.0070 0.7179 0.0051 126.87 0.30 170.54 0.85 29.37 0.29 2023.890 0.090 87.1 1.4 16.30 894.5 1.7 0.89 0.02
S66 1.5020 0.0950 0.1280 0.0430 128.50 1.60 92.30 3.20 134.00 17.00 1771.000 38.000 664.0 37.0 14.80 10712.4 620.5 0.21 0.02
S67 1.1260 0.0260 0.2930 0.0570 136.00 1.10 96.50 6.40 213.50 1.60 1705.000 22.000 431.0 10.0 12.10 6511.2 360.6 0.29 0.01
S71 0.9730 0.0400 0.8990 0.0130 74.00 1.30 35.16 0.86 337.80 4.90 1695.000 21.000 346.0 11.0 16.10 803.8 1.4 0.99 0.06
S83 1.4900 0.1900 0.3650 0.0750 127.20 1.40 87.70 1.20 203.60 6.00 2046.800 6.300 656.0 69.0 13.60 7738.6 22.5 0.27 0.05
S85 4.6000 3.3000 0.7800 0.1500 84.78 0.29 107.36 0.43 156.30 6.80 1930.200 9.800 3580.0 2550.0 15.60 8277.1 29.6 0.30 0.33
S87 2.7400 0.1600 0.2240 0.0270 119.54 0.87 106.32 0.99 336.10 7.70 611.000 154.000 1640.0 105.0 13.60 17390.5 2572.9 0.17 0.02
S89 1.0810 0.0550 0.6390 0.0380 87.61 0.16 238.99 0.18 126.40 4.00 1783.000 26.000 406.0 27.0 15.30 3191.8 407.2 0.46 0.04
S91 1.9170 0.0890 0.3030 0.0340 114.49 0.32 105.35 0.74 356.40 1.60 1108.000 69.000 958.0 50.0 12.20 10928.4 74.5 0.22 0.02
S96 1.4990 0.0570 0.1740 0.0220 126.36 0.96 115.66 0.59 233.60 2.40 1646.000 16.000 662.0 29.0 10.00 10127.0 530.0 0.22 0.02
S97 2.3200 0.4600 0.3500 0.1100 113.00 1.30 113.20 1.40 28.00 14.00 2132.000 29.000 1270.0 309.0 10.30 12333.9 305.9 0.21 0.08
S145 1.1200 0.1800 0.5000 0.2500 83.70 1.60 263.92 0.94 185.00 16.00 1808.000 58.000 426.0 71.0 17.50 4580.2 1471.2 0.37 0.10
S175 0.4140 0.0390 0.9867 0.0018 88.53 0.60 326.83 0.78 68.52 0.40 2009.510 0.010 96.2 5.0 17.50 45.0 0.8 4.27 0.47
R34 1.8100 0.1500 0.6410 0.0980 136.00 8.30 330.00 19.00 57.00 8.00 1522.000 52.000 877.0 83.0 14.00 5314.6 856.3 0.36 0.05
R44 3.9000 1.4000 0.2700 0.2700 131.00 5.20 80.50 7.10 217.00 24.00 1963.000 85.000 2730.0 1350.0 14.00 23285.6 901.5 0.15 0.11
  1. ^ Gillessen, S.; et al. (February 2017). "An Update on Monitoring Stellar Orbits in the Galactic Center". The Astrophysical Journal. 837 (1). arXiv:1611.09144. doi:10.3847/1538-4357/aa5c41.{{cite journal}}: CS1 maint: unflagged free DOI (link)
  2. ^ "A geometric distance measurement to the Galactic center black hole with 0.3% uncertainty". Astronomy&Astrophysics. 625. April 2019. arXiv:1904.05721. doi:10.1051/0004-6361/201935656. {{cite journal}}: Unknown parameter |authors= ignored (help)
  3. ^ Næss, S. (October 4, 2019). "Galactic center S-star orbital parameters".
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