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Doubles in session


Current system
22087+4545
YSC 15 AB
AR Lac


Nearby doubles
23' : 22070+4559
COU2139

24' : 22105+4531
DYL 11

25' : 22105+4530
DYL 10AB

26' : 22074+4523
DYL 8

30' : 22066+4524
A 623

33' : 22079+4616
TDT3361

35' : 22077+4617
TDT3358

38' : 22059+4522
A 183

39' : 22104+4619
COU2237

42' : 22063+4511
DYL 7

44' : 22093+4628
HJ 1738

45' : 22118+4515
DYL 16

45' : 22129+4555
BUR 1AB

45' : 22091+4500
DYL 9

51' : 22110+4501
DYL 13AB

55' : 22093+4451
HJ 1735AB

55' : 22135+4520
J 3160

56' : 22048+4508
DYL 4

56' : 22061+4456
LYS 20

56' : 22035+4534
SAN 2AB

56' : 22053+4629
HJ 1725

57' : 22138+4526
DCH 118

58' : 22046+4624
BRT1157

59' : 22141+4531
ES 1342

59' : 22053+4458
DYL 6

59' : 22138+4520
BRT1159



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 22087+4545 : COMPONENTS
 
 
  A
B pa=349.1°
sep=0.03"
 
 
22087+4545 A
 
 
Name AR Lac Coord arcsec 2000 220840.86+454431.7 Mag 6.25 Spectral class G3V (yellow)
PmRA -52.00 PmDE 48.0 SAO 51684 HIP 109303
Tycho2 3606-00784-1 HD 210334 HR 8448 GC 30985
BD BD+45 3813
Tycho2
Tycho2 3606-00784-1 Pflag RAmdeg 332.17007720 DEmdeg 45.74225742
PmRA -51.8 PmDE 49.1 E RAmdeg 4 E DEmdeg 4
E pmRA 0.8 E pmDE 0.8 EpRAm 1991.22 EpDEm 1991.33
Num 20 Q RAmdeg 1.0 Q DEmdeg 0.8 Q pmRA 0.9
Q pmDE 0.9 BTmag 7.061 E BTmag 0.015 VTmag 6.226
E VTmag 0.009 Prox 999 TYC T HIP 109303
CCDM RAdeg 332.17024806 DEdeg 45.74214417 EpRA 1990 1.71
EpDE 1990 1.72 E RAdeg 3.5 E DEdeg 3.5 Posflg
Corr 0.1
SAO
SAO 51684 DelFlag RA1950 PmRA1950 -0.0028
DE1950 PmDE1950 0.035 Vmag 6.5 SpType G5
Double code Source 70 CatNum 30985 DM BD+45 3813
DMcomp BDsup HD 210334 M HD 0
GC 30985 RA1950rad 5.78864078 DE1950rad 0.79405221 PmRA2000 -0.0026
PmDE2000 0.031
Hipparcos
Catalog H HIP 109303 Proxy RAhms 22 08 40.86
DEdms +45 44 31.7 Vmag 6.11 VarFlag 3 R Vmag H
RAdeg 332.17 DEdeg 45.7421 AstroRef Plx 23.79
CCDM N CCDM Nsys Ncomp 1
MultFlag Source Qual S M HIP
Theta Rho HD 210334 BD BD+45 3813
CD CP Dm number +45 3813 VIred 0.79
SpType K2III comp R SpType Coord arcsec 2000 220840.86+454431.7
Hipparcos 2
HIP 109303 Sn 5 So 0 Nc 1
RArad 5.7974646771 DErad 0.7983509151 Plx 23.38 PmRA -52.57
PmDE 47.68 E RArad 0.23 E DErad 0.25 E Plx 0.35
E pmRA 0.29 E pmDE 0.3 Hpmag 6.2527 E Hpmag 0.0043
SHp 0.131 VA 1 BV 0.763 E BV 0.011
VI 0.8
 
 
22087+4545 B
 
 
Coord arcsec 2000 220840.86+454431.7 Mag 8.61 Calc delta mag 2.36 Calc coord yes