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Doubles in session


Current system
20473+4535
HO 280
HD 198237


Nearby doubles
17' : 20489+4537
HDS2965

19' : 20485+4519
LDS2456

20' : 20464+4551
CVR 230

20' : 20490+4525
SMA 120

22' : 20492+4525
COU2646

32' : 20500+4521
ES 2702

34' : 20504+4525
LDS5912

37' : 20489+4607
HJ 1581

38' : 20440+4521
KPP3361

43' : 20494+4458
GRV 384

44' : 20504+4518
SMA 121

44' : 20494+4613
ES 670

45' : 20436+4514
CBL 85

45' : 20461+4452
ES 30

46' : 20514+4519
ARG 40

48' : 20519+4537
SMA 122

48' : 20494+4452
TDS1103

50' : 20459+4448
ES 2701

50' : 20456+4621
HDS2955

51' : 20427+4521
ES 1270

52' : 20438+4610
TDT2503

53' : 20511+4459
LDS2459

54' : 20434+4501
ES 668AB

55' : 20423+4549
STT 411AB

56' : 20421+4532
BKO 157

56' : 20420+4532
BRT2271



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 20473+4535 : COMPONENTS
 
 
  A
B pa=69.6°
sep=8.42"
 
 
20473+4535 A
 
 
Componente originario normalizzato AB Name HD 198237 Coord arcsec 2000 204720.77+453448.0 Mag 6.4
Spectral class M2III (red) PmRA 2.00 PmDE -22.0 SAO 50060
HIP 102585 Tycho2 3574-01163-1 HD 198237 HR 7966
GC 28997 ADS 14298 BD BD+45 3275
Tycho2
Tycho2 3574-01163-1 Pflag RAmdeg 311.83653734 DEmdeg 45.57993560
PmRA 4.1 PmDE -22.4 E RAmdeg 4 E DEmdeg 4
E pmRA 0.8 E pmDE 0.9 EpRAm 1991.38 EpDEm 1991.42
Num 13 Q RAmdeg 0.8 Q DEmdeg 0.5 Q pmRA 0.8
Q pmDE 0.6 BTmag 8.550 E BTmag 0.017 VTmag 6.609
E VTmag 0.010 Prox 999 TYC T HIP 102585
CCDM RAdeg 311.83652361 DEdeg 45.57998722 EpRA 1990 1.75
EpDE 1990 1.69 E RAdeg 4.2 E DEdeg 4.4 Posflg
Corr -0.1
SAO
SAO 50060 DelFlag RA1950 PmRA1950 0.0001
DE1950 PmDE1950 -0.022 Vmag 6.7 SpType K5
Double code Source 70 CatNum 28997 DM BD+45 3275
DMcomp BDsup HD 198237 M HD 0
GC 28997 RA1950rad 5.43508385 DE1950rad 0.79229702 PmRA2000 0.0004
PmDE2000 -0.025
Hipparcos
Catalog H HIP 102585 Proxy RAhms 20 47 20.77
DEdms +45 34 48.0 Vmag 6.41 VarFlag R Vmag H
RAdeg 311.837 DEdeg 45.58 AstroRef Plx 2.49
CCDM 20473+4535 N CCDM I Nsys 1 Ncomp 1
MultFlag Source Qual M HIP
Theta Rho HD 198237 BD BD+45 3275
CD CP Dm number +45 3275 VIred 1.58
SpType K3III R SpType Coord arcsec 2000 204720.77+453448.0
Hipparcos 2
HIP 102585 Sn 5 So 0 Nc 1
RArad 5.4425740552 DErad 0.7955208776 Plx 2.83 PmRA 4.93
PmDE -22.35 E RArad 0.32 E DErad 0.28 E Plx 0.39
E pmRA 0.39 E pmDE 0.31 Hpmag 6.5246 E Hpmag 0.0011
SHp 0.012 VA 0 BV 1.606 E BV 0.005
VI 1.58
CCDM
Ccdm 20473+4535 RComp Comp A Note1
Note2 Discov num DRAs 2.76 DDEs -12.2
R dRAs 10 Year Theta Rho
Obs 2 Vmag 7.0 Sp K5 PmNote *
PmRA 0 PmDE -18 Dm number +45 3275 Cat1 BD
Name2 +45 1747 Cat2 AGK2/3 HD 198237 M HD
ADS BDS A14298 M ADS BDS N IDS IDS 20439N4513A
HIC 102585
 
 
20473+4535 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 204721.52+453450.9 Mag 12.4 Calc delta mag 6
Calc coord yes
CCDM
Ccdm 20473+4535 RComp Comp B Note1
Note2 Discov num HO 280 DRAs 4.02 DDEs -9.2
R dRAs 90 Year 1960 Theta 078 Rho 12.9
Obs 6 Vmag 13.0 Sp PmNote
PmRA 0 PmDE -18 Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A14298 M ADS BDS N IDS IDS 20439N4513B
HIC