Coord 2000 | 04286+1911 | Discov num | WSI 53 | Comp | Aa,Ab | Coord arcsec 2000 | 04 28 37.00 +19 10 49.6 | ||||
Date first | 2005 | Date last | 2005 | Obs | 1 | ||||||
Pa first | 108 | Pa last | 108.3 | P.A. Now (θ) | 108.3° | ||||||
Sep first | 0.2 | Sep last | 0.237 | Sep. Now (ρ) | 0.237" | ||||||
Mag pri | 3.60 | Mag sec | 6.00 | delta mag (ΔM) | 2.4 | Spectral class | G8III (yellow) | ||||
Pri motion ra | +107 | Sec motion ra | |||||||||
Pri motion dec | -037 | Sec motion dec | |||||||||
Notes | N (See Notes) |
Show | name | SAO | coord | wds_name | last | obs | pa | sep | mag1 | mag2 | d_mag | orb | current |
Show | 93954 | 04 28 37 +19 10 50 | WSI 53 Aa,Ab | 2005 | 1 | 108 | 0.2 | 3.60 | 6.00 | 2.40 | <=== | ||
Show | Ain | 93954 | 04 28 37 +19 10 50 | BUP 61 AB | 2015 | 12 | 269 | 190.4 | 3.53 | 10.60 | 7.07 |
Constellation | Taurus | SAO | 93954 | HIP | 20889 | Tycho2 | 1273-01104-1 | ||||
Gaia DR2 | 48026706557926528 | HD | 28305 | HR | 1409 | GC | 5430 | ||||
BD | BD+18 640 | Bayer | Epsilon Tauri | Bayer name | Eps Tau | Flamsteed | 74 Tauri | ||||
Flamsteed name | 74 Tau | FK5 | 164 | Distance | 44.96 | Distance ly | 146.66 | ||||
Bayer greek | ε Tau |
discov_num | notes | refcode |
BUP 61 | eps Tau = 74 Tau = Ain | |
Mk III Limb-darkened diameter 2.67 +/- 0.04 mas. | MkT2001 | |
Mk III Limb-darkened diameter 2.671 +/- 0.032 mas. | MkT2003 | |
NPOI Limd-darkened diameter 2.41 +/- 0.11 mas. | NOI2001b | |
CHARA Array Limb-darkened diameter 2.734 +/- 0.031 mas. | CIA2009a | |
R = 13.4 +/- 0.2 \rsun, Teff = 4827 +/- 44 K. | ||
NPOI Limb-darkened diameter 2.592 +/- 0.050 mas, Sp = G8III, | NOI2018 | |
R =12.53 +/- 0.28 \rsun, Teff = 4880 +/- 77 K, L = 80.3 +/- 4.4 \lsun, | ||
M = 2.69 +/- 0.11 \msun, Age = 0.55 +/- 0.10 Gyr. |
refcode | metd | author | reference |
CIA2009a | not j | Baines, E.K., McAlister, H.A., ten Brummelaar, T.A., Sturmann, J., Sturmann, L., | 2009ApJ...701..154B |
CIA2009a | Turner, N.H. & Ridgway, S.T. | . | |
CIA2009a | ApJ 701, 154, 2009 | . | |
MkT2001 | not j | Nordgren, T.E., Sudol, J.J. & Mozurkewich, D. | 2001AJ....122.2707N |
MkT2001 | AJ 122, 2707, 2001 | . | |
MkT2003 | Km - | Mozurkewich, D., Armstrong, J.T., Hindsley, R., Quirrenbach, A., Hummel, C.A., | 2003AJ....126.2502M |
MkT2003 | +not | Hutter, D., Johnston, K.J., Hajian, A., Elias, N.M., II, Buscher, D., & Simon, R. | |
MkT2003 | AJ 126, 2502, 2003 | ||
NOI2001b | not j | Nordgren, T.E., Sudol, J.J. & Mozurkewich, D. | 2001AJ....122.2707N |
NOI2001b | AJ 122, 2707, 2001 | . | |
NOI2018 | not j | Baines, E.K., Armstrong, J.T., Schmitt, H.R., Zavala, R.T., Benson, J.A., Hutter, | 2018AJ....155...30B |
NOI2018 | D.J., Tycner, C. & van Belle, G.T. | ||
NOI2018 | AJ 155, 30, 2018 |
idgroup | discov | author |
1 | BUP | Burnham proper motion stars (see Burnham, Carnegie Inst. Wash. #168, 1913) |
1 | WSI | Douglass, G.G., Hindsley, R.B., & Worley, C.E. |
10 | WSI | Mason, B.D., Hartkopf, W.I., Holdenried, E.R., Rafferty, T.J., Wycoff, G.L., |
10 | WSI | Hennessy, G.S., Hall, D.M., Urban, S.E., et al. |
13 | WSI | Mason, B.D., Hartkopf, W.I., Wycoff, G.L., Holdenried, E.R., Platais, I., |
13 | WSI | Rafferty, T.J., Hall, D.M., Hennessy, G.S., et al. |
14 | WSI | Mason, B.D., Hartkopf, W.I., Urban, S.E., Wycoff, G.L., Pascu, D., Hall, D.M., |
14 | WSI | Hennessy, G.S., Platais, I., et al. |
15 | WSI | Mason, B.D., Hartkopf, W.I., Wycoff, G.L., Pascu, D., Urban, S.E., Hall, D.M., |
15 | WSI | Hennessy, G.S., Rafferty, T.J., et al. |
42 | WSI | Mason, B.D., Hartkopf, W.I., Bredthauer, G., Ferguson, E.W., Finch, C.T., Kilian, |
42 | WSI | C.M., Rafferty, T.J., Ragan, T.J. & Wieder, G.D. |
52 | WSI | Mason, B.D., Williams, S.J., Matson, R.A., Josties, J.D., Eakens, P.D., Justice, |
52 | WSI | M., Kilian, C.M. & Warner, R. |
coord_2000 | discov_num | comp | epoch | obs | pa | sep | mag_pri | mag_sec | spectr | notes | coord_arcsec_2000 |
04286+1911 | WSI 53 | Aa,Ab | 2005 | 1 | 108 | 0.2 | 3.60 | 6.00 | G9.5III | 042837.00+191049.6 |
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 | Ab | |
Ab | pa=109.3° sep=0.23" | |
B | pa=269.0° sep=179.80" | pa=269.1° sep=180.01" |
Common name | Ain | Meaning | eye | Other names | OCULUS BOREUS | Coord arcsec 2000 | 042837.00+191049.6 | ||||
Mag | 3.53 | Spectral class | G9.5III (yellow) | PmRA | 107.00 | PmDE | -38.0 | ||||
SAO | 93954 | HIP | 20889 | Tycho2 | 1273-01104-1 | HD | 28305 | ||||
HR | 1409 | GC | 5430 | BD | BD+18 640 | Bayer | Epsilon Tauri | ||||
Bayer name | Eps Tau | Flamsteed | 74 Tauri | Flamsteed name | 74 Tau | FK5 | 164 |
Tycho2 | 1273-01104-1 | Pflag | RAmdeg | 67.15416140 | DEmdeg | 19.18043252 | |||||
PmRA | 106.7 | PmDE | -35.6 | E RAmdeg | 3 | E DEmdeg | 4 | ||||
E pmRA | 0.3 | E pmDE | 0.3 | EpRAm | 1990.07 | EpDEm | 1988.95 | ||||
Num | 32 | Q RAmdeg | 1.3 | Q DEmdeg | 1.2 | Q pmRA | 1.3 | ||||
Q pmDE | 1.3 | BTmag | 4.813 | E BTmag | 0.014 | VTmag | 3.635 | ||||
E VTmag | 0.009 | Prox | 999 | TYC | T | HIP | 20889 | ||||
CCDM | RAdeg | 67.15390278 | DEdeg | 19.18051806 | EpRA 1990 | 1.78 | |||||
EpDE 1990 | 1.34 | E RAdeg | 3.3 | E DEdeg | 3.6 | Posflg | |||||
Corr | -0.2 |
SAO | 93954 | DelFlag | RA1950 | PmRA1950 | 0.0076 | ||||||
DE1950 | PmDE1950 | -0.036 | Vmag | 3.6 | SpType | K0 | |||||
Double code | Source | 74 | CatNum | 164 | DM | BD+18 640 | |||||
DMcomp | BDsup | HD | 28305 | M HD | 0 | ||||||
GC | 5430 | RA1950rad | 1.15930475 | DE1950rad | 0.33285542 | PmRA2000 | 0.0076 | ||||
PmDE2000 | -0.037 |
Catalog | H | HIP | 20889 | Proxy | RAhms | 04 28 36.93 | |||||
DEdms | +19 10 49.9 | Vmag | 3.53 | VarFlag | R Vmag | H | |||||
RAdeg | 67.1539 | DEdeg | 19.1805 | AstroRef | Plx | 21.04 | |||||
CCDM | 04286+1911 | N CCDM | I | Nsys | 1 | Ncomp | 1 | ||||
MultFlag | Source | Qual | M HIP | ||||||||
Theta | Rho | HD | 28305 | BD | BD+18 640 | ||||||
CD | CP | Dm number | +18 640 | VIred | 1.04 | ||||||
SpType | K0III | R SpType | Coord arcsec 2000 | 042836.93+191049.9 |
HIP | 20889 | Sn | 5 | So | 0 | Nc | 1 | ||||
RArad | 1.1720564593 | DErad | 0.3347632442 | Plx | 22.24 | PmRA | 106.19 | ||||
PmDE | -37.84 | E RArad | 0.23 | E DErad | 0.17 | E Plx | 0.25 | ||||
E pmRA | 0.38 | E pmDE | 0.3 | Hpmag | 3.6992 | E Hpmag | 0.0005 | ||||
SHp | 0.005 | VA | 0 | BV | 1.014 | E BV | 0.006 | ||||
VI | 1.04 |
Ccdm | 04286+1911 | RComp | Comp | A | Note1 | ||||||
Note2 | Discov num | DRAs | 1.00 | DDEs | -10.5 | ||||||
R dRAs | 10 | Year | Theta | Rho | |||||||
Obs | 2 | Vmag | 3.6 | Sp | K0 | PmNote | * | ||||
PmRA | 108 | PmDE | -36 | Dm number | +18 640 | Cat1 | BD | ||||
Name2 | 93954 | Cat2 | SAO | HD | 28305 | M HD | |||||
ADS BDS | M ADS BDS | N IDS | IDS | 04228N1858A | |||||||
HIC | 20889 |
Coord arcsec 2000 | 042837.02+191049.5 | Mag | 6 | Calc delta mag | 2.4 | Calc coord | yes |
Coord arcsec 2000 | 042824.31+191046.6 | Mag | 10.6 | Calc delta mag | 7 | Calc coord | yes |
Ccdm | 04286+1911 | RComp | Comp | B | Note1 | ||||||
Note2 | Discov num | BUP | DRAs | -12.35 | DDEs | -13.6 | |||||
R dRAs | 65 | Year | 1901 | Theta | 268 | Rho | 181.6 | ||||
Obs | 1 | Vmag | 10.6 | Sp | PmNote | # | |||||
PmRA | PmDE | Dm number | Cat1 | ||||||||
Name2 | Cat2 | HD | M HD | ||||||||
ADS BDS | M ADS BDS | N IDS | IDS | 04228N1858B | |||||||
HIC |