| Coord 2000 | 17033+5935 | Discov num | STF2128 | Comp | Coord arcsec 2000 | 17 03 18.66 +59 35 07.3 | |||||
| Date first | 1830 | Date last | 2019 | Obs | 72 | ||||||
| Pa first | 58 | Pa last | 42.4 | P.A. Now (θ) | 42.4° | ||||||
| Sep first | 11.6 | Sep last | 12.178 | Sep. Now (ρ) | 12.178" | ||||||
| Mag pri | 8.76 | Mag sec | 10.34 | delta mag (ΔM) | 1.58 | Spectral class | K4V (yellow-orange) | ||||
| Pri motion ra | -356 | Sec motion ra | -345 | ||||||||
| Pri motion dec | +236 | Sec motion dec | +237 | ||||||||
| Notes | N O V (See Notes, Orbital solution, Proper motion indicates physical) | ||||||||||
| Name | HD 154712 | Constellation | Draco | SAO | 30220 | HIP | 83451 | ||||
| Tycho2 | 3898-01334-1 | HD | 154712 | ADS | 10329 | BD | BD+59 1783 | ||||
| Distance | 24.04 | Distance ly | 78.42 |
| Period (P) | 2294.4944y | ± 871.8519 | Periastron (T) | 2463.2278y | ± 829.428 | Semi-major axis (a) | 14.30151a | ± 7.3557 |
| Eccentricity (e) | 0.62903 | ± 0.28108 | Inclination (i) | 112.446° | ± 12.93 | Longitude of periastron (ω) | 92.278° | ± 25.22 |
| Node (Ω) | 20.339° | ± 53.251 | Notes | n | Reference | Izm2019 | ||
| Equinox | Last observation | 2015 | Grade | 5 | (1=Definitive, 9=Indet.) |
|
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Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st. ![]() Measures: green=micrometric, blue=interferometric, purple=photographic |
|
| discov_num | notes | refcode |
| STF2128 | LDS1437. Mt. Wilson spectral types K5 and M0. | |
| NLTT 44134/44135 | Chm2004 | |
| HJL 243. | HJL1986 |
| refcode | metd | author | reference |
| Chm2004 | E - | Chaname, J. & Gould, A. | 2004ApJ...601..289C |
| Chm2004 | ApJ 601, 289, 2004 | ||
| Chm2004 | (Photometry, coordinates, and astrometry from rNLTT. Astrometry from early | ||
| Chm2004 | versions of 2MASS and UCAC, with date given only as "circa 2000". Measures | ||
| Chm2004 | identical to discovery observations - predominantly close pairs - were assumed | ||
| Chm2004 | not new observations, so not included in WDS. Similar concerns when primary and | ||
| Chm2004 | secondary magnitudes or proper motions were the same.) | ||
| HJL1986 | Pa - | Halbwachs, J.L. | 1986A&AS...66..131H |
| HJL1986 | A&AS 66, 131, 1986 | ||
| HJL1986 | (Possible CPM pairs from AGK2/3. Coarse astrometry, incl. mean 1950 dates, added | ||
| HJL1986 | only for previously unknown pairs. Table 1: HJL 1 - 326, Table 2: HJL1001 - 1113) | ||
| Izm2019 | orb u | Izmailov, I.S. | 2019AstL...45...30I |
| Izm2019 | Ast. Lett. 45, 30, 2019 | ||
| Izm2019 | |||
| Izm2019 |
| discov | author |
| CHM | Chaname, J. & Gould, A. |
| HJL | Halbwachs, J.L., Boffin, H.M.J., Le Bouquin, J.-B., Kiefer, F., Famaey, B., |
| HJL | Salomon, J.-B., Arenou, F., Pourbaix, D., Anthonioz, F., Grellmann, R., Guieu, S., |
| HJL | Sana, H., et al. |
| HJL | Halbwachs, J.-L., Kiefer, F., Lebreton, Y., Boffin, H.M.J., Arenou, F., LeBouquin, |
| IZM | Izmailov, I.S., Kiselev, A. A., Kiseleva, T.P., & Khrutskaya, E.V. |
| IZM | Izmailov, I.S., Khovricheva, M.L., Khovrichev, M. Yu., Kiyaeva, O.V., Khrutskaya, |
| IZM | E.V., Romanenko, L.G., Grosheva, E.A., Maslennikov, K.L. & Kalinichenko, O.A. |
| coord_2000 | discov_num | comp | epoch | obs | pa | sep | mag_pri | mag_sec | spectr | dm_number | notes | coord_arcsec_2000 |
| 17033+5935 | STF2128 | 2006 | 45 | 44 | 12.2 | 8.76 | 10.34 | K4V | +59 1783 | NZDV | 170318.66+593507.3 | |
| 17033+5935 | STF2128 | 2013 | 61 | 43 | 12.2 | 8.76 | 10.34 | K4V | +59 1783 | NO V | 170318.66+593507.3 | |
| 17033+5935 | STF2128 | 2017 | 64 | 43 | 12.2 | 8.76 | 10.34 | K4V | +59 1783 | NO V | 170318.66+593507.3 | |
| 17033+5935 | STF2128 | 2018 | 67 | 43 | 12.2 | 8.76 | 10.34 | K4V | +59 1783 | NO V | 170318.66+593507.3 | |
| 17033+5935 | STF2128 | 2019 | 71 | 42 | 12.2 | 8.76 | 10.34 | K4V | +59 1783 | NO V | 170318.66+593507.3 |
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Click on the map to see the double of your interest. Pass over with the mouse cursor to display the catalog designation. |
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Click on the map to see the double of your interest. Pass over with the mouse cursor to display the catalog designation. |
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| A | |
| B | pa=42.4° sep=12.18" |
| Name | HD 154712 | Coord arcsec 2000 | 170318.66+593507.3 | Mag | 8.76 | Spectral class | K4V (yellow-orange) | ||||
| PmRA | -356.00 | PmDE | 236.0 | Tycho2 | 3898-01334-1 |
| Tycho2 | 3898-01334-1 | Pflag | RAmdeg | 255.82775401 | DEmdeg | 59.58535144 | |||||
| PmRA | -354.8 | PmDE | 237.6 | E RAmdeg | 10 | E DEmdeg | 11 | ||||
| E pmRA | 1.1 | E pmDE | 1.3 | EpRAm | 1990.42 | EpDEm | 1990.43 | ||||
| Num | 10 | Q RAmdeg | 1.1 | Q DEmdeg | 0.9 | Q pmRA | 1.1 | ||||
| Q pmDE | 0.9 | BTmag | 10.019 | E BTmag | 0.027 | VTmag | 8.755 | ||||
| E VTmag | 0.015 | Prox | 122 | TYC | T | HIP | 83451 | ||||
| CCDM | A | RAdeg | 255.82938333 | DEdeg | 59.58479944 | EpRA 1990 | 1.63 | ||||
| EpDE 1990 | 1.64 | E RAdeg | 10.0 | E DEdeg | 10.8 | Posflg | |||||
| Corr | 0.0 |
| Ccdm | 17033+5935 | RComp | Comp | A | Note1 | ||||||
| Note2 | Discov num | DRAs | 0.52 | DDEs | 7.4 | ||||||
| R dRAs | 10 | Year | Theta | Rho | |||||||
| Obs | 2 | Vmag | 9.4 | Sp | K0 | PmNote | * | ||||
| PmRA | -378 | PmDE | 245 | Dm number | +59 1783 | Cat1 | BD | ||||
| Name2 | +59 1092 | Cat2 | AGK2/3 | HD | 154712 | M HD | |||||
| ADS BDS | A10329 | M ADS BDS | N IDS | IDS | 17020N5943A | ||||||
| HIC | 83451 |
| Coord arcsec 2000 | 170319.74+593516.3 | Mag | 10.34 | PmRA | -345.00 | PmDE | 237.0 | ||||
| Delta magnitude | 1.58 | Coordinate calculated | yes |
| Ccdm | 17033+5935 | RComp | Comp | B | Note1 | ||||||
| Note2 | Discov num | STF2128 | DRAs | 1.63 | DDEs | 16.3 | |||||
| R dRAs | 91 | Year | 1953 | Theta | 047 | Rho | 12.1 | ||||
| Obs | 14 | Vmag | 10.6 | Sp | PmNote | * | |||||
| PmRA | -384 | PmDE | 257 | Dm number | Cat1 | ||||||
| Name2 | +59 1093 | Cat2 | AGK2/3 | HD | M HD | ||||||
| ADS BDS | A10329 | M ADS BDS | N | N IDS | IDS | 17020N5943B | |||||
| HIC | 83454 |