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Doubles in session


Current system
04256+1556
BUP 57 AB
70 Tau


Nearby doubles
9' : 04251+1559
LDS5554

13' : 04248+1552
GWP 582AB

23' : 04263+1537
BUP 59AB

33' : 04238+1539
LDS2231

34' : 04242+1623
MET 38

34' : 04237+1538
MET 3AB

34' : 04234+1546
TOK 876

36' : 04255+1631
LDS2234

36' : 04268+1525
LDS2236

37' : 04271+1626
LDS2240

40' : 04271+1523
LDS2241

45' : 04287+1552
STFA 10AB
Chamukuy

45' : 04283+1618
OCC9091

48' : 04280+1629
SKF2121

48' : 04284+1622
RCH 2

51' : 04290+1610
HU 1080

51' : 04267+1645
GUE 4

52' : 04234+1638
OCC 527

54' : 04220+1547
OCC1011

54' : 04283+1518
LDS3589

55' : 04261+1502
KPP3569

56' : 04264+1651
OCC 553

59' : 04220+1530
DCH 50AB

59' : 04273+1503
LDS3587

60' : 04245+1653
PAT 6

60' : 04219+1530
CHX 1



Selections
Full WDS
Binocular doubles
Binary Systems
Triple Systems
Quadruple Systems
Multiple Systems
Neglected List I
Neglected List II
Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.
 
 
WDS 04256+1556 : COMPONENTS
 
 
  A Ab
Ab pa=157.8°
sep=0.09"
 
B pa=339.7°
sep=128.85"
pa=339.7°
sep=128.94"
 
 
04256+1556 A
 
 
Name 70 Tau Coord arcsec 2000 042537.25+155627.9 Mag 6.45 Spectral class F7V (yellow-white)
PmRA 105.00 PmDE -29.0 SAO 93925 HIP 20661
Tycho2 1265-01171-1 HD 27991 HR 1391 GC 5356
BD BD+15 621 Flamsteed 70 Tauri Flamsteed name 70 Tau
Tycho2
Tycho2 1265-01171-1 Pflag RAmdeg 66.40548893 DEmdeg 15.94102023
PmRA 105.1 PmDE -24.7 E RAmdeg 4 E DEmdeg 4
E pmRA 1.0 E pmDE 1.0 EpRAm 1991.45 EpDEm 1991.06
Num 15 Q RAmdeg 1.2 Q DEmdeg 1.8 Q pmRA 1.4
Q pmDE 1.7 BTmag 7.023 E BTmag 0.015 VTmag 6.490
E VTmag 0.010 Prox 999 TYC T HIP 20661
CCDM AP RAdeg 66.40523778 DEdeg 15.94108000 EpRA 1990 1.75
EpDE 1990 1.33 E RAdeg 3.5 E DEdeg 4.1 Posflg P
Corr -0.4
SAO
SAO 93925 DelFlag RA1950 PmRA1950 0.0074
DE1950 PmDE1950 -0.027 Vmag 6.4 SpType F8
Double code Source 70 CatNum 5356 DM BD+15 621
DMcomp BDsup HD 27991 M HD 0
GC 5356 RA1950rad 1.14652452 DE1950rad 0.27625532 PmRA2000 0.0074
PmDE2000 -0.028
Hipparcos
Catalog H HIP 20661 Proxy H RAhms 04 25 37.25
DEdms +15 56 27.9 Vmag 6.44 VarFlag R Vmag H
RAdeg 66.4052 DEdeg 15.9411 AstroRef * Plx 21.47
CCDM 04256+1557 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source S Qual A M HIP PA
Theta 156 Rho 0.099 HD 27991 BD BD+15 621
CD CP Dm number +15 621 VIred 0.57
SpType F7V R SpType Coord arcsec 2000 042537.25+155627.9
Hipparcos 2
HIP 20661 Sn 55 So 3 Nc 2
RArad 1.1589897843 DErad 0.2782243366 Plx 21.2 PmRA 104.06
PmDE -27.71 E RArad 0.84 E DErad 0.45 E Plx 0.92
E pmRA 1.17 E pmDE 0.79 Hpmag 6.5556 E Hpmag 0.0008
SHp 0.007 VA 0 BV 0.509 E BV 0.005
VI 0.58
 
 
04256+1556 Ab
 
 
Coord arcsec 2000 042537.25+155627.8 Mag 7 Calc delta mag 0.74 Calc coord yes
 
 
04256+1556 B
 
 
Coord arcsec 2000 042534.16+155828.8 Mag 13.39 PmRA 1.00 PmDE -3.0
Calc delta mag 5.65 Calc coord yes