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 |
Click on the map to see the double of your interest. Pass over with the mouse cursor to display the catalog designation. |
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 | |
B | pa=264.9° sep=0.14" | |
C | pa=259.0° sep=101.39" | pa=259.0° sep=101.24" |
Coord arcsec 2000 | 144108.92+134342.0 | Mag | 4.46 | Spectral class | A0V (white) | PmRA | 66.00 | ||||
PmDE | -21.0 | SAO | 101145 | HIP | 71795 | Tycho2 | 0917-01471-1 | ||||
HD | 129246 | HR | 5477 | GC | 19777 | BD | BD+14 2770 | ||||
Bayer | Zeta Bootis | Bayer name | Zet Boo | Flamsteed | 30 Bootis | Flamsteed name | 30 Boo |
Tycho2 | 0917-01471-1 | Pflag | P | RAmdeg | 220.28722647 | DEmdeg | 13.72834690 | ||||
PmRA | 66.3 | PmDE | -20.6 | E RAmdeg | 3 | E DEmdeg | 4 | ||||
E pmRA | 2.3 | E pmDE | 2.2 | EpRAm | 1991.61 | EpDEm | 1991.54 | ||||
Num | 3 | Q RAmdeg | 2.7 | Q DEmdeg | 1.5 | Q pmRA | 2.7 | ||||
Q pmDE | 1.6 | BTmag | 4.546 | E BTmag | 0.014 | VTmag | 4.464 | ||||
E VTmag | 0.009 | Prox | 9 | TYC | T | HIP | 71795 | ||||
CCDM | B | RAdeg | 220.28696750 | DEdeg | 13.72845833 | EpRA 1990 | 1.64 | ||||
EpDE 1990 | 1.59 | E RAdeg | 3.4 | E DEdeg | 3.6 | Posflg | D | ||||
Corr | 0.3 |
SAO | 101145 | DelFlag | RA1950 | PmRA1950 | 0.0036 | ||||||
DE1950 | PmDE1950 | -0.02 | Vmag | 3.9 | SpType | A2 | |||||
Double code | Source | 71 | CatNum | 543 | DM | BD+14 2770 | |||||
DMcomp | BDsup | HD | 129246 | M HD | 9 | ||||||
GC | 19777 | RA1950rad | 3.83430946 | DE1950rad | 0.24333033 | PmRA2000 | 0.0037 | ||||
PmDE2000 | -0.016 |
Catalog | H | HIP | 71795 | Proxy | H | RAhms | 14 41 08.92 | ||||
DEdms | +13 43 42.0 | Vmag | 3.78 | VarFlag | R Vmag | G | |||||
RAdeg | 220.287 | DEdeg | 13.7283 | AstroRef | A | Plx | 18.07 | ||||
CCDM | 14411+1344 | N CCDM | I | Nsys | 1 | Ncomp | 2 | ||||
MultFlag | C | Source | Qual | A | M HIP | AB | |||||
Theta | 303 | Rho | 0.906 | HD | 129246 | BD | BD+14 2770 | ||||
CD | CP | Dm number | +14 2770 | VIred | 0.06 | ||||||
SpType | A3IVn | R SpType | Coord arcsec 2000 | 144108.92+134342.0 |
HIP | 71795 | Sn | 15 | So | 3 | Nc | 2 | ||||
RArad | 3.8447363858 | DErad | 0.2396045866 | Plx | 18.56 | PmRA | 51.95 | ||||
PmDE | -11.08 | E RArad | 0.65 | E DErad | 0.49 | E Plx | 0.76 | ||||
E pmRA | 0.81 | E pmDE | 0.53 | Hpmag | 3.7971 | E Hpmag | 0.0006 | ||||
SHp | 0.004 | VA | 0 | BV | 0.044 | E BV | 0.003 | ||||
VI | 0.06 |
Ccdm | 14411+1344 | RComp | Comp | A | Note1 | ||||||
Note2 | Discov num | DRAs | 2.97 | DDEs | -18.3 | ||||||
R dRAs | 65 | Year | Theta | Rho | |||||||
Obs | 3 | Vmag | 4.4 | Sp | A2 | PmNote | * | ||||
PmRA | 50 | PmDE | -18 | Dm number | +14 2770 | Cat1 | BD | ||||
Name2 | 101145 | Cat2 | SAO | HD | 129247 | M HD | |||||
ADS BDS | A 9343 | M ADS BDS | N IDS | IDS | 14364N1409A | ||||||
HIC | 71795 |
Coord arcsec 2000 | 144108.91+134342.0 | Mag | 4.55 | Spectral class | A0V (white) | PmRA | 66.00 | ||||
PmDE | -21.0 | Tycho2 | 0917-01471-2 | HD | 129247 | HR | 5478 | ||||
Flamsteed | 30 Bootis | Flamsteed name | 30 Boo | Calc delta mag | 0.09 | Calc coord | yes |
Tycho2 | 0917-01471-2 | Pflag | P | RAmdeg | 220.28722647 | DEmdeg | 13.72834690 | ||||
PmRA | 66.3 | PmDE | -20.6 | E RAmdeg | 3 | E DEmdeg | 4 | ||||
E pmRA | 2.3 | E pmDE | 2.2 | EpRAm | 1991.61 | EpDEm | 1991.54 | ||||
Num | 3 | Q RAmdeg | 2.7 | Q DEmdeg | 1.5 | Q pmRA | 2.7 | ||||
Q pmDE | 1.6 | BTmag | 4.616 | E BTmag | 0.014 | VTmag | 4.554 | ||||
E VTmag | 0.009 | Prox | 9 | TYC | T | HIP | 71795 | ||||
CCDM | A | RAdeg | 220.28718167 | DEdeg | 13.72832306 | EpRA 1990 | 1.63 | ||||
EpDE 1990 | 1.61 | E RAdeg | 3.4 | E DEdeg | 3.6 | Posflg | D | ||||
Corr | 0.3 |
Ccdm | 14411+1344 | RComp | Comp | B | Note1 | * | |||||
Note2 | Discov num | STF1865 | DRAs | DDEs | |||||||
R dRAs | Year | 1830 | Theta | Rho | |||||||
Obs | 99 | Vmag | 4.8 | Sp | A2 | PmNote | |||||
PmRA | PmDE | Dm number | Cat1 | ||||||||
Name2 | Cat2 | HD | 129246 | M HD | |||||||
ADS BDS | A 9343 | M ADS BDS | N IDS | IDS | 14364N1409B | ||||||
HIC | 71795 |
Coord arcsec 2000 | 144102.09+134322.6 | Mag | 10.98 | PmRA | 8.00 | PmDE | -5.0 | ||||
Calc delta mag | 6.52 | Calc coord | yes |
Ccdm | 14411+1344 | RComp | Comp | C | Note1 | ||||||
Note2 | Discov num | H 104 | DRAs | -4.10 | DDEs | -37.6 | |||||
R dRAs | 65 | Year | 1901 | Theta | 259 | Rho | 99.3 | ||||
Obs | 5 | Vmag | 10.9 | Sp | PmNote | ||||||
PmRA | PmDE | Dm number | Cat1 | ||||||||
Name2 | Cat2 | HD | M HD | ||||||||
ADS BDS | A 9343 | M ADS BDS | N | N IDS | IDS | 14364N1409C | |||||
HIC |