Coord 2000 | 03492+2408 | Discov num | HL 28 | Comp | AB | Coord arcsec 2000 | 03 49 11.20 +24 08 12.6 | ||||
Date first | 1886 | Date last | 2011 | Obs | 4 | ||||||
Pa first | 223 | Pa last | 225.9 | P.A. Now (θ) | 225.9° | ||||||
Sep first | 171.7 | Sep last | 168.139 | Sep. Now (ρ) | 168.139" | ||||||
Mag pri | 5.09 | Mag sec | 12.00 | delta mag (ΔM) | 6.91 | Spectral class | B8Vpe (blue-white) | ||||
Pri motion ra | +018 | Sec motion ra | +000 | ||||||||
Pri motion dec | -047 | Sec motion dec | +008 | ||||||||
Notes | N (See Notes) |
Show | name | SAO | coord | wds_name | last | obs | pa | sep | mag1 | mag2 | d_mag | orb | current |
Show | 76229 | 03 49 11 +24 08 13 | CHR 125 Aa,Ab | 1991 | 3 | 37 | 0.2 | 5.09 | |||||
Show | Pleione | 76229 | 03 49 11 +24 08 13 | HL 28 AB | 2011 | 4 | 226 | 168.1 | 5.09 | 12.00 | 6.91 | <=== | |
Show | 76229 | 03 49 11 +24 08 13 | HL 28 AC | 2011 | 5 | 274 | 223.1 | 5.09 | 11.64 | 6.55 | |||
Show | 76229 | 03 49 11 +24 08 13 | HL 28 AD | 2011 | 4 | 66 | 143.7 | 5.09 | 14.67 | 9.58 | |||
Show | 76229 | 03 49 11 +24 08 13 | HL 28 AE | 2011 | 4 | 77 | 96.4 | 5.09 | 14.77 | 9.68 | |||
Show | 76229 | 03 49 11 +24 08 13 | RBR 4 AF | 2002 | 1 | 221 | 4.7 | 5.03 | 14.50 | 9.47 |
Common name | Pleione | Var name | BU Tau | Constellation | Taurus | SAO | 76229 | ||||
HIP | 17851 | Tycho2 | 1800-02200-1 | Gaia DR2 | 66529975427235712 | HD | 23862 | ||||
HR | 1180 | GC | 4587 | BD | BD+23 558 | Flamsteed | 28 Tauri | ||||
Flamsteed name | 28 Tau | Distance | 117.1 | Distance ly | 381.98 |
Meaning | Cook Islands proposal; means a large mystical black pearl in the Cook Islands M?ori language. |
discov_num | notes | refcode |
CHR 125 | Aa,Ab: Pleione, 28 Tau = BU Tau. Shell star and suspected long-period | |
spectroscopic binary (Hoffleit 1982) . Pleiades cluster member. | Hof1982 | |
Frequently unresolved, probably due to large Delta m. | Msn1993b | |
For their measure, Roberts et al. reports that the "The close | ||
proximity of the two star's PSFs prevented accurate measurement of the | ||
astrometry and photometry." | Rbr2007 | |
Aa,Ab: Observed 3 times 1987-1991 (all observations noted as weak), | Rbr2007 | |
then unresolved until a 2002 (0.24") measure at 900nm | Hrt2009 | |
RBR 4 | AF: 2002.0924: PA is measured in zenith mode. If data collected in | |
equatorial mode, PA = 119. Confirmation of the pair should establish | ||
the correct value for theta. | Rbr2007 |
refcode | metd | author | reference |
Hof1982 | - | Hoffleit, D. & Jaschek, C. | 1982bscf.book.....H |
Hof1982 | The Bright Star Catalogue, Fourth Revised Edition, 1982 | ||
Hrt2009 | Su j | Hartkopf, W.I. & Mason, B.D. | 2009AJ....138..813H |
Hrt2009 | +orb | AJ 138, 813, 2009 | |
Msn1993b | Sc j | Mason, B.D., Hartkopf, W.I., McAlister, H.A., & Sowell, J.R. | 1993AJ....106..637M |
Msn1993b | AJ 106, 637, 1993 | ||
Rbr2007 | A j | Roberts, L.C., Jr., Turner, N.H., & ten Brummelaar, T.A. | 2007AJ....133..545R |
Rbr2007 | AJ 133, 545, 2007 |
idgroup | discov | author |
1 | CHR | Center for High Ang. Res. Astronomy (speckle interferometry systems) |
3 | HL | Hall, A. |
coord_2000 | discov_num | comp | epoch | obs | pa | sep | mag_pri | mag_sec | spectr | notes | coord_arcsec_2000 |
03492+2408 | HL 28 | AB | 2000 | 2 | 226 | 168.5 | 5.09 | 12.00 | D | 034911.20+240812.6 | |
03492+2408 | HL 28 | AB | 2011 | 3 | 226 | 168.1 | 5.09 | 12.00 | N D | 034911.20+240812.6 |
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 | B | C | D | E | |
Ab | pa=34.6° sep=0.23" | |||||
B | pa=223.3° sep=160.74" | pa=223.3° sep=160.96" | ||||
C | pa=274.7° sep=203.71" | pa=274.7° sep=203.83" | pa=325.2° sep=162.81" | |||
D | pa=63.7° sep=133.39" | pa=63.7° sep=133.18" | pa=52.5° sep=289.52" | pa=82.5° sep=325.34" | ||
E | pa=75.3° sep=88.45" | pa=75.4° sep=88.27" | pa=54.5° sep=240.38" | pa=88.9° sep=288.61" | pa=222.9° sep=50.00" | |
F | pa=218.4° sep=4.49" | pa=218.2° sep=4.72" | pa=43.4° sep=156.26" | pa=95.8° sep=201.26" | pa=242.9° sep=137.46" | pa=253.6° sep=92.08" |
Common name | Pleione | Meaning | Cook Islands proposal; means a large mystical black pearl in the Cook Islands M?ori language. | Var name | BU Tau | Coord arcsec 2000 | 034911.20+240812.6 | ||||
Mag | 5.09 | Spectral class | B8Vpe (blue-white) | PmRA | 18.00 | PmDE | -47.0 | ||||
SAO | 76229 | HIP | 17851 | Tycho2 | 1800-02200-1 | HD | 23862 | ||||
HR | 1180 | GC | 4587 | BD | BD+23 558 | Flamsteed | 28 Tauri | ||||
Flamsteed name | 28 Tau |
Tycho2 | 1800-02200-1 | Pflag | RAmdeg | 57.29673613 | DEmdeg | 24.13670934 | |||||
PmRA | 20.4 | PmDE | -47.5 | E RAmdeg | 3 | E DEmdeg | 4 | ||||
E pmRA | 0.8 | E pmDE | 0.8 | EpRAm | 1991.50 | EpDEm | 1991.05 | ||||
Num | 18 | Q RAmdeg | 1.0 | Q DEmdeg | 1.2 | Q pmRA | 1.1 | ||||
Q pmDE | 1.2 | BTmag | 4.939 | E BTmag | 0.014 | VTmag | 5.028 | ||||
E VTmag | 0.009 | Prox | 999 | TYC | T | HIP | 17851 | ||||
CCDM | RAdeg | 57.29668444 | DEdeg | 24.13682222 | EpRA 1990 | 1.71 | |||||
EpDE 1990 | 1.45 | E RAdeg | 3.3 | E DEdeg | 3.7 | Posflg | |||||
Corr | -0.2 |
SAO | 76229 | DelFlag | RA1950 | PmRA1950 | 0.001 | ||||||
DE1950 | PmDE1950 | -0.047 | Vmag | 5.2 | SpType | B8p | |||||
Double code | Source | 70 | CatNum | 4587 | DM | BD+23 558 | |||||
DMcomp | BDsup | HD | 23862 | M HD | 0 | ||||||
GC | 4587 | RA1950rad | 0.98701213 | DE1950rad | 0.4186248 | PmRA2000 | 0.0009 | ||||
PmDE2000 | -0.05 |
Catalog | H | HIP | 17851 | Proxy | RAhms | 03 49 11.20 | |||||
DEdms | +24 08 12.6 | Vmag | 5.05 | VarFlag | 1 | R Vmag | H | ||||
RAdeg | 57.2967 | DEdeg | 24.1368 | AstroRef | Plx | 8.42 | |||||
CCDM | N CCDM | Nsys | Ncomp | 1 | |||||||
MultFlag | Source | Qual | S | M HIP | |||||||
Theta | Rho | HD | 23862 | BD | BD+23 558 | ||||||
CD | CP | Dm number | +23 558 | VIred | -0.06 | ||||||
SpType | B7p | R SpType | Coord arcsec 2000 | 034911.20+240812.6 |
HIP | 17851 | Sn | 5 | So | 0 | Nc | 1 | ||||
RArad | 1.0000157891 | DErad | 0.421267077 | Plx | 8.54 | PmRA | 18.07 | ||||
PmDE | -47.2 | E RArad | 0.28 | E DErad | 0.18 | E Plx | 0.31 | ||||
E pmRA | 0.3 | E pmDE | 0.27 | Hpmag | 5.0295 | E Hpmag | 0.0017 | ||||
SHp | 0.011 | VA | 2 | BV | -0.082 | E BV | 0.004 | ||||
VI | -0.06 |
Ccdm | 03492+2408 | RComp | Comp | A | Note1 | ||||||
Note2 | Discov num | DRAs | -0.81 | DDEs | 12.5 | ||||||
R dRAs | 81 | Year | Theta | Rho | |||||||
Obs | 2 | Vmag | 5.1 | Sp | B8 | PmNote | @ | ||||
PmRA | 15 | PmDE | -47 | Dm number | +23 558 | Cat1 | BD | ||||
Name2 | +23 332 | Cat2 | AGK2/3 | HD | 23862 | M HD | |||||
ADS BDS | M ADS BDS | N | N IDS | W | IDS | 03492+2408A | |||||
HIC | 17851 |
Coord arcsec 2000 | 034911.21+240812.8 | Calc delta mag | 5.09 | Calc coord | yes |
Coord arcsec 2000 | 034903.15+240615.6 | Mag | 12 | PmRA | 0.00 | PmDE | 8.0 | ||||
Calc delta mag | 6.91 | Calc coord | yes |
Ccdm | 03492+2408 | RComp | Comp | B | Note1 | ||||||
Note2 | Discov num | CHR 125 | DRAs | DDEs | |||||||
R dRAs | Year | 1987 | Theta | 55 | Rho | 0.2 | |||||
Obs | 1 | Vmag | Sp | PmNote | |||||||
PmRA | PmDE | Dm number | Cat1 | ||||||||
Name2 | Cat2 | HD | M HD | ||||||||
ADS BDS | M ADS BDS | N IDS | W | IDS | 03492+2408B | ||||||
HIC | 17851 |
Coord arcsec 2000 | 034856.37+240829.3 | Mag | 11.64 | PmRA | -12.00 | PmDE | -25.0 | ||||
Calc delta mag | 6.55 | Calc coord | yes |
Coord arcsec 2000 | 034919.93+240911.8 | Mag | 14.67 | PmRA | 20.00 | PmDE | -12.0 | ||||
Calc delta mag | 9.58 | Calc coord | yes |
Coord arcsec 2000 | 034917.45+240835.1 | Mag | 14.77 | PmRA | 17.00 | PmDE | -2.0 | ||||
Calc delta mag | 9.68 | Calc coord | yes |
Coord arcsec 2000 | 034911.00+240809.1 | Mag | 14.5 | Spectral class | M5V (red) | Calc delta mag | 9.41 | ||||
Calc coord | yes |