| Coord 2000 | 14411+1344 | Discov num | STF1865 | Comp | AB | Coord arcsec 2000 | 14 41 08.92 +13 43 42.0 | ||||
| Date first | 1796 | Date last | 2022 | Obs | 761 | ||||||
| Pa first | 312 | Pa last | 265 | P.A. Now (θ) | 250.3° | ||||||
| Sep first | 1.0 | Sep last | 0.148 | Sep. Now (ρ) | 0.087" | ||||||
| Mag pri | 4.46 | Mag sec | 4.55 | delta mag (ΔM) | 0.09 | Spectral class | A0V+A0V (white/white) | ||||
| Pri motion ra | +066 | Sec motion ra | +066 | ||||||||
| Pri motion dec | -021 | Sec motion dec | -021 | ||||||||
| Notes | N O (See Notes, Orbital solution) | ||||||||||
| Show | name | SAO | coord | wds_name | last | obs | pa | sep | mag1 | mag2 | d_mag | orb | current |
| Show | 101145 | 14 41 09 +13 43 42 | STF 1865 AB | 2022 | 761 | 265 | 0.1 | 4.46 | 4.55 | 0.09 | Y | <=== | |
| Show | Zet Boo | 101145 | 14 41 09 +13 43 42 | H 6 104 AB,C | 2020 | 18 | 259 | 104.3 | 4.52 | 10.98 | 6.46 |
| Var name | NSV6766 Boo | Constellation | Bootes | SAO | 101145 | HIP | 71795 | ||||
| Tycho2 | 0917-01471-1 | HD | 129246 | HR | 5477 | GC | 19777 | ||||
| ADS | 9343 | BD | BD+14 2770 | Bayer | Zeta Bootis | Bayer name | Zet Boo | ||||
| Flamsteed | 30 Bootis | Flamsteed name | 30 Boo | Distance | 53.88 | Distance ly | 175.76 | ||||
| Bayer greek | ζ Boo |
| Period (P) | 125.24y | Periastron (T) | 1898.58y | Semi-major axis (a) | 0.825a | |||
| Eccentricity (e) | 0.98 | Inclination (i) | 126° | Longitude of periastron (ω) | 61.8° | |||
| Node (Ω) | 176.5° | Notes | n | Reference | Sca2007f | |||
| Equinox | 2000 | Last observation | 2006 | Grade | 2 | (1=Definitive, 9=Indet.) |
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Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st. |
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 Measures: green=micrometric, blue=interferometric, purple=photographic |
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| discov_num | notes | refcode |
| STF1865 | zet Boo = 30 Boo. | |
| Spectral types and masses of components assigned by ten Brummelaar et | ||
| al., based on adaptive optics observations. | TtB2000 | |
| See Baize & Petit (1989) catalog of doubles with variable component. | Baz1989d | |
| Errors for orbit of Alzner (2007) provided by author (private comm.) | Alz2007 | |
| Hipparcos parallax yields a mass sum 7.95 Msun, rather high for a pair | ||
| of A0V stars. Increasing parallax by 1 sigma (1.24mas) yields a more | ||
| reasonable mass sum of 6.51 Msun, however. | ||
| Calculated mass sum is 122 +/- 275 Msun, unconstrained. | Mut2010b | |
| AB: Additional notes may be found in Fu et al. (1997) | McA1997 | |
| AB: Malkov et al. (2012) derive dynamical, photometric, and | ||
| spectroscopic masses 5.60 +/- 1.66, 5.20, and 4.48 Msun, respectively. | Mlk2012 | |
| H 6 104 | H VI 104. |
| refcode | metd | author | reference |
| Alz2007 | orb - | Alzner, A. | 2007IAUDS.163....1A |
| Alz2007 | Inf. Circ. 163, 1, 2007 | ||
| Baz1989d | - | Baize, P. & Petit, M. | 1989A&AS...77..497B |
| Baz1989d | A&AS 77, 497, 1989 | ||
| McA1997 | Sc j | Fu, H.-H., Hartkopf, W.I., Mason, B.D., McAlister, H.A., Dombrowski, E.G., & | 1997AJ....114.1623F |
| McA1997 | Franz, O.G. | ||
| McA1997 | AJ 114, 1623, 1997 | ||
| Mlk2012 | not - | Malkov, O.Yu., Tamazian, V.S., Docobo, J.A., & Chulkov, D.A. | 2012A&A...546A..69M |
| Mlk2012 | A&A 546, A69, 2012 | ||
| Mut2010b | Kp - | Muterspaugh, M.W., Hartkopf, W.I., Lane. B.F., O'Connell, J., Williamson, M., | 2010AJ....140.1623M |
| Mut2010b | Kulkarni, S.R., Konacki, M., Burke, B.F., Colavita, M.M., Shao, M., & | ||
| Mut2010b | Wiktorowicz, S.J. | ||
| Mut2010b | AJ 140, 1623, 2010 | ||
| Sca2007f | orb - | Scardia, M., Prieur, J.-L., Pansecchi, L., & Argyle, R.W. | 2007IAUDS.163....1S |
| Sca2007f | Inf. Circ. 163, 1, 2007 | ||
| TtB2000 | Ac j | ten Brummelaar, T.A., Mason, B.D., McAlister, H.A., Roberts, L.C., Jr., | 2000AJ....119.2403T |
| TtB2000 | Turner, N.H., Hartkopf, W.I., & Bagnuolo, W.G., Jr. | ||
| TtB2000 | AJ 119, 2403, 2000 (magnitude differences from Mt. Wilson AO) |
| idgroup | discov | author |
| 1 | STF | Struve, F.G.W. |
| coord_2000 | discov_num | comp | epoch | obs | pa | sep | mag_pri | mag_sec | spectr | notes | coord_arcsec_2000 |
| 14411+1344 | STF1865 | AB | 2007 | 720 | 298 | 0.7 | 4.46 | 4.55 | A0V+A0V | NOD | 144108.92+134342.0 |
| 14411+1344 | STF1865 | AB | 2008 | 726 | 296 | 0.6 | 4.46 | 4.55 | A0V+A0V | NOD | 144108.92+134342.0 |
| 14411+1344 | STF1865 | AB | 2009 | 727 | 295 | 0.6 | 4.46 | 4.55 | A0V+A0V | NOD | 144108.92+134342.0 |
| 14411+1344 | STF1865 | AB | 2010 | 736 | 293 | 0.6 | 4.46 | 4.55 | A0V+A0V | NOD | 144108.92+134342.0 |
| 14411+1344 | STF1865 | AB | 2012 | 767 | 297 | 0.5 | 4.46 | 4.55 | A0V A0V | NOD | 144108.92+134342.0 |
| 14411+1344 | STF1865 | AB | 2013 | 744 | 291 | 0.5 | 4.46 | 4.55 | A0V A0V | NOD | 144108.92+134342.0 |
| 14411+1344 | STF1865 | AB | 2015 | 746 | 287 | 0.5 | 4.46 | 4.55 | A0V+A0V | NO | 144108.92+134342.0 |
| 14411+1344 | STF1865 | AB | 2018 | 750 | 283 | 0.3 | 4.46 | 4.55 | A0V+A0V | NO | 144108.92+134342.0 |
| 14411+1344 | STF1865 | AB | 2019 | 758 | 282 | 0.3 | 4.46 | 4.55 | A0V+A0V | NO | 144108.92+134342.0 |
| 14411+1344 | STF1865 | AB | 2020 | 759 | 278 | 0.2 | 4.46 | 4.55 | A0V+A0V | NO | 144108.92+134342.0 |
| 14411+1344 | STF1865 | AB | 2021 | 760 | 273 | 0.2 | 4.46 | 4.55 | A0V+A0V | NO | 144108.92+134342.0 |
| 14411+1344 | STF1865 | AB | 2022 | 761 | 265 | 0.1 | 4.46 | 4.55 | A0V+A0V | NO | 144108.92+134342.0 |
| Show | date | username | difficulty | separation | pa_estim | interest | notes |
| Show | 15/05/10 | rbotero | very difficult | oblunged | 300 | interesting but to observe in better conditions |
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