WDS ID Discovr Comp # Sep PA Epoch Obs Telescope Camera Note ------------------------------------------------------------------------------------------------- 17146+1423 STF 2140 AB 1 4.78" 101.6° B2022.483 HWI 120/900 APO ASI120MC 17146+1423 STF 2140 AB 2 4.80" 100.5° B2025.468 HWI 120/900 APO ASI678MM
wds_id : 17146+1423 discoverer_code : STF discoverer_number : 2140 discoverer_components : AB date_first : 1779 date_last : 2023 num_of_obs : 513 pa_first : 112 pa_last : 102 sep_first : 4.8 sep_last : 4.8 mag_primary : 3.48 mag_secondary : 5.4 spectral_type : M5Ib-II primary_proper_motion_RA : -17 primary_proper_motion_DEC : 47 secondary_proper_motion_RA : -7 secondary_proper_motion_DEC : 33 dm_number : notes : NO precise_coordinate : 171438.86+142324.9 WDS Notes: ---------- N: Notes found in WDSNOT MEMO of WDS O: Orbit described in WDSNOT MEMO and has entry in Orbit Catalog
| WDS: | STF 2140 AB | WDS ID/Discoverer |
| P: | 3600.000 | Orbital period (years) |
| a: | 4.68 | Semi-major axis (arcseconds) |
| i: | 155.8 | Inclination (degrees) |
| Ω: | 119.6 | Longitude of ascending node (degrees) |
| T: | 1835.000 | Epoch of periastron passage (year) |
| e: | 0.0 | Eccentricity |
| ω: | 0.0 | Longitude of periastron (degrees) |
| Start-Year: | 225.0 | Year |
| End-Year: | 3825.0 | Year |
| Epoch: | 2025.99 | Besselian Epoch |
Further data from the WDS Sixth Catalog of Orbits for STF 2140 AB |
||
| Position: | 171438.86+142324.9 | Epoch-2000 right ascension and declination |
| WDS-ID: | 17146+1423 | WDS designation |
| Discoverer Code: | STF 2140 AB | Discover designation and components |
| ADS number: | 10418 | Aitken Double Star catalog |
| HD number: | 156014 | HD catalog number |
| Hipparcos number: | 84345 | Hipparcos catalog number |
| V1: | 3.48 | Magnitude of the primary |
| V2: | 5.40 | Magnitude of the secondary |
| Equinox: | Equinox | |
| Date: | 1970 | Date of last observation |
| Orbit grade: | 4 | Orbit grade, ranging from : 1 = Definitive 2 = Good 3 = Reliable 4 = Preliminary 5 = Indeterminate |
| Flags: | n | Flags |
-- Image from the USNO WDS 6th Orbit Catalog (see Acknowledgements) --
Legend:| Green plus signs: | Visual (micrometric) measures |
| Violet asterisks: | Photographic measures |
| Blue symbols: | Various interferometric techniques |
| Dot-dash line: | Indicates the line of nodes |
Year Sep[“] PA[°] --------------------------------------------- 2025.99 4.638 102.1 ------------------------- 225.0 4.638 282.2 235.0 4.634 281.2 245.0 4.629 280.3 255.0 4.624 279.4 265.0 4.620 278.4 275.0 4.614 277.5 285.0 4.609 276.6 295.0 4.604 275.6 305.0 4.598 274.7 315.0 4.593 273.7 325.0 4.587 272.8 335.0 4.581 271.8 345.0 4.575 270.9 355.0 4.568 269.9 365.0 4.562 269.0 375.0 4.555 268.0 385.0 4.549 267.0 395.0 4.542 266.1 405.0 4.535 265.1 415.0 4.529 264.1 425.0 4.522 263.1 435.0 4.515 262.2 445.0 4.508 261.2 455.0 4.501 260.2 465.0 4.493 259.2 475.0 4.486 258.2 485.0 4.479 257.2 495.0 4.472 256.2 505.0 4.465 255.2 515.0 4.458 254.2 525.0 4.450 253.2 535.0 4.443 252.2 545.0 4.436 251.2 555.0 4.429 250.2 565.0 4.422 249.2 575.0 4.415 248.1 585.0 4.408 247.1 595.0 4.401 246.1 605.0 4.395 245.0 615.0 4.388 244.0 625.0 4.382 243.0 635.0 4.375 241.9 645.0 4.369 240.9 655.0 4.363 239.8 665.0 4.357 238.8 675.0 4.351 237.7 685.0 4.345 236.7 695.0 4.339 235.6 705.0 4.334 234.6 715.0 4.329 233.5 725.0 4.324 232.4 735.0 4.319 231.4 745.0 4.314 230.3 755.0 4.310 229.2 765.0 4.305 228.1 775.0 4.301 227.1 785.0 4.298 226.0 795.0 4.294 224.9 805.0 4.290 223.8 815.0 4.287 222.7 825.0 4.284 221.6 835.0 4.282 220.5 845.0 4.279 219.5 855.0 4.277 218.4 865.0 4.275 217.3 875.0 4.273 216.2 885.0 4.272 215.1 895.0 4.271 214.0 905.0 4.270 212.9 915.0 4.269 211.8 925.0 4.269 210.7 935.0 4.269 209.6 945.0 4.269 208.5 955.0 4.269 207.4 965.0 4.270 206.3 975.0 4.271 205.2 985.0 4.272 204.1 995.0 4.273 203.0 1005.0 4.275 201.9 1015.0 4.277 200.8 1025.0 4.279 199.7 1035.0 4.282 198.7 1045.0 4.284 197.6 1055.0 4.287 196.5 1065.0 4.290 195.4 1075.0 4.294 194.3 1085.0 4.298 193.2 1095.0 4.301 192.1 1105.0 4.305 191.1 1115.0 4.310 190.0 1125.0 4.314 188.9 1135.0 4.319 187.8 1145.0 4.324 186.8 1155.0 4.329 185.7 1165.0 4.334 184.6 1175.0 4.339 183.6 1185.0 4.345 182.5 1195.0 4.351 181.5 1205.0 4.357 180.4 1215.0 4.363 179.4 1225.0 4.369 178.3 1235.0 4.375 177.3 1245.0 4.382 176.2 1255.0 4.388 175.2 1265.0 4.395 174.2 1275.0 4.401 173.1 1285.0 4.408 172.1 1295.0 4.415 171.1 1305.0 4.422 170.0 1315.0 4.429 169.0 1325.0 4.436 168.0 1335.0 4.443 167.0 1345.0 4.450 166.0 1355.0 4.458 165.0 1365.0 4.465 164.0 1375.0 4.472 163.0 1385.0 4.479 162.0 1395.0 4.486 161.0 1405.0 4.493 160.0 1415.0 4.501 159.0 1425.0 4.508 158.0 1435.0 4.515 157.0 1445.0 4.522 156.1 1455.0 4.529 155.1 1465.0 4.535 154.1 1475.0 4.542 153.1 1485.0 4.549 152.2 1495.0 4.555 151.2 1505.0 4.562 150.2 1515.0 4.568 149.3 1525.0 4.575 148.3 1535.0 4.581 147.4 1545.0 4.587 146.4 1555.0 4.593 145.5 1565.0 4.598 144.5 1575.0 4.604 143.6 1585.0 4.609 142.6 1595.0 4.614 141.7 1605.0 4.620 140.8 1615.0 4.624 139.8 1625.0 4.629 138.9 1635.0 4.634 138.0 1645.0 4.638 137.0 1655.0 4.642 136.1 1665.0 4.646 135.2 1675.0 4.650 134.3 1685.0 4.654 133.3 1695.0 4.657 132.4 1705.0 4.660 131.5 1715.0 4.663 130.6 1725.0 4.666 129.7 1735.0 4.668 128.7 1745.0 4.670 127.8 1755.0 4.672 126.9 1765.0 4.674 126.0 1775.0 4.676 125.1 1785.0 4.677 124.2 1795.0 4.678 123.2 1805.0 4.679 122.3 1815.0 4.680 121.4 1825.0 4.680 120.5 1835.0 4.680 119.6 1845.0 4.680 118.7 1855.0 4.680 117.8 1865.0 4.679 116.9 1875.0 4.678 116.0 1885.0 4.677 115.0 1895.0 4.676 114.1 1905.0 4.674 113.2 1915.0 4.672 112.3 1925.0 4.670 111.4 1935.0 4.668 110.5 1945.0 4.666 109.5 1955.0 4.663 108.6 1965.0 4.660 107.7 1975.0 4.657 106.8 1985.0 4.654 105.9 1995.0 4.650 104.9 2005.0 4.646 104.0 2015.0 4.642 103.1 2025.0 4.638 102.2 2035.0 4.634 101.2 2045.0 4.629 100.3 2055.0 4.624 99.4 2065.0 4.620 98.4 2075.0 4.614 97.5 2085.0 4.609 96.6 2095.0 4.604 95.6 2105.0 4.598 94.7 2115.0 4.593 93.7 2125.0 4.587 92.8 2135.0 4.581 91.8 2145.0 4.575 90.9 2155.0 4.568 89.9 2165.0 4.562 89.0 2175.0 4.555 88.0 2185.0 4.549 87.0 2195.0 4.542 86.1 2205.0 4.535 85.1 2215.0 4.529 84.1 2225.0 4.522 83.1 2235.0 4.515 82.2 2245.0 4.508 81.2 2255.0 4.501 80.2 2265.0 4.493 79.2 2275.0 4.486 78.2 2285.0 4.479 77.2 2295.0 4.472 76.2 2305.0 4.465 75.2 2315.0 4.458 74.2 2325.0 4.450 73.2 2335.0 4.443 72.2 2345.0 4.436 71.2 2355.0 4.429 70.2 2365.0 4.422 69.2 2375.0 4.415 68.1 2385.0 4.408 67.1 2395.0 4.401 66.1 2405.0 4.395 65.0 2415.0 4.388 64.0 2425.0 4.382 63.0 2435.0 4.375 61.9 2445.0 4.369 60.9 2455.0 4.363 59.8 2465.0 4.357 58.8 2475.0 4.351 57.7 2485.0 4.345 56.7 2495.0 4.339 55.6 2505.0 4.334 54.6 2515.0 4.329 53.5 2525.0 4.324 52.4 2535.0 4.319 51.4 2545.0 4.314 50.3 2555.0 4.310 49.2 2565.0 4.305 48.1 2575.0 4.301 47.1 2585.0 4.298 46.0 2595.0 4.294 44.9 2605.0 4.290 43.8 2615.0 4.287 42.7 2625.0 4.284 41.6 2635.0 4.282 40.5 2645.0 4.279 39.5 2655.0 4.277 38.4 2665.0 4.275 37.3 2675.0 4.273 36.2 2685.0 4.272 35.1 2695.0 4.271 34.0 2705.0 4.270 32.9 2715.0 4.269 31.8 2725.0 4.269 30.7 2735.0 4.269 29.6 2745.0 4.269 28.5 2755.0 4.269 27.4 2765.0 4.270 26.3 2775.0 4.271 25.2 2785.0 4.272 24.1 2795.0 4.273 23.0 2805.0 4.275 21.9 2815.0 4.277 20.8 2825.0 4.279 19.7 2835.0 4.282 18.7 2845.0 4.284 17.6 2855.0 4.287 16.5 2865.0 4.290 15.4 2875.0 4.294 14.3 2885.0 4.298 13.2 2895.0 4.301 12.1 2905.0 4.305 11.1 2915.0 4.310 10.0 2925.0 4.314 8.9 2935.0 4.319 7.8 2945.0 4.324 6.8 2955.0 4.329 5.7 2965.0 4.334 4.6 2975.0 4.339 3.6 2985.0 4.345 2.5 2995.0 4.351 1.5 3005.0 4.357 0.4 3015.0 4.363 359.4 3025.0 4.369 358.3 3035.0 4.375 357.3 3045.0 4.382 356.2 3055.0 4.388 355.2 3065.0 4.395 354.2 3075.0 4.401 353.1 3085.0 4.408 352.1 3095.0 4.415 351.1 3105.0 4.422 350.0 3115.0 4.429 349.0 3125.0 4.436 348.0 3135.0 4.443 347.0 3145.0 4.450 346.0 3155.0 4.458 345.0 3165.0 4.465 344.0 3175.0 4.472 343.0 3185.0 4.479 342.0 3195.0 4.486 341.0 3205.0 4.493 340.0 3215.0 4.501 339.0 3225.0 4.508 338.0 3235.0 4.515 337.0 3245.0 4.522 336.1 3255.0 4.529 335.1 3265.0 4.535 334.1 3275.0 4.542 333.1 3285.0 4.549 332.2 3295.0 4.555 331.2 3305.0 4.562 330.2 3315.0 4.568 329.3 3325.0 4.575 328.3 3335.0 4.581 327.4 3345.0 4.587 326.4 3355.0 4.593 325.5 3365.0 4.598 324.5 3375.0 4.604 323.6 3385.0 4.609 322.6 3395.0 4.614 321.7 3405.0 4.620 320.8 3415.0 4.624 319.8 3425.0 4.629 318.9 3435.0 4.634 318.0 3445.0 4.638 317.0 3455.0 4.642 316.1 3465.0 4.646 315.2 3475.0 4.650 314.3 3485.0 4.654 313.3 3495.0 4.657 312.4 3505.0 4.660 311.5 3515.0 4.663 310.6 3525.0 4.666 309.7 3535.0 4.668 308.7 3545.0 4.670 307.8 3555.0 4.672 306.9 3565.0 4.674 306.0 3575.0 4.676 305.1 3585.0 4.677 304.2 3595.0 4.678 303.2 3605.0 4.679 302.3 3615.0 4.680 301.4 3625.0 4.680 300.5 3635.0 4.680 299.6 3645.0 4.680 298.7 3655.0 4.680 297.8 3665.0 4.679 296.9 3675.0 4.678 296.0 3685.0 4.677 295.0 3695.0 4.676 294.1 3705.0 4.674 293.2 3715.0 4.672 292.3 3725.0 4.670 291.4 3735.0 4.668 290.5 3745.0 4.666 289.5 3755.0 4.663 288.6 3765.0 4.660 287.7 3775.0 4.657 286.8 3785.0 4.654 285.9 3795.0 4.650 284.9 3805.0 4.646 284.0 3815.0 4.642 283.1
| Observation Date: |
| Double Star Calculator: |
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| Report created: |
2025-12-29 22:52:43 +0100 |