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Doubles in session


Current system
20184+4033
ARN 49
HD 228839


Nearby doubles
8' : 20177+4030
HDS2897

12' : 20181+4044
STF2666AB

17' : 20176+4020
BRT2259

20' : 20169+4022
BU 661AB

23' : 20170+4017
CNT 5

26' : 20204+4021
TDT2186

27' : 20207+4031
TDT2193

31' : 20158+4024
TDS1055

32' : 20210+4041
TDT2199

34' : 20155+4030
A 390

36' : 20163+4007
MLB1013

37' : 20199+4000
MLB1015

38' : 20178+3956
HJ 2951AB

39' : 20198+3958
MLB1014

39' : 20197+4108
STTA205

40' : 20183+3953
BKO 822

41' : 20203+3958
BRT2260

42' : 20187+4113
COU2640

42' : 20148+4035
TDT2118

43' : 20184+3950
A 1424

44' : 20221+4042
ES 1676

48' : 20189+3945
COU2537

49' : 20144+4048
TDT2113

50' : 20181+4122
ES 1674

51' : 20185+4123
TDT2154

54' : 20231+4037
TDT2228



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 20184+4033 : COMPONENTS
 
 
  A
B pa=321.0°
sep=26.55"
 
 
20184+4033 A
 
 
Name HD 228846 Coord arcsec 2000 201824.24+403232.8 Mag 9.59 Spectral class K2 (yellow-orange)
PmRA 8.00 PmDE 16.0 SAO 49446 Tycho2 3155-00379-1
HD 228846 DM BD+40 4105
Tycho2
Tycho2 3155-00379-1 Pflag RAmdeg 304.60098324 DEmdeg 40.54244750
PmRA 8.7 PmDE 13.8 E RAmdeg 18 E DEmdeg 17
E pmRA 1.1 E pmDE 1.1 EpRAm 1987.53 EpDEm 1987.64
Num 8 Q RAmdeg 1.3 Q DEmdeg 1.0 Q pmRA 1.4
Q pmDE 0.9 BTmag 11.042 E BTmag 0.051 VTmag 9.585
E VTmag 0.023 Prox 305 TYC T HIP
CCDM RAdeg 304.60095778 DEdeg 40.54241667 EpRA 1990 1.68
EpDE 1990 1.71 E RAdeg 19.5 E DEdeg 18.6 Posflg
Corr -0.2
SAO
SAO 49446 DelFlag RA1950 PmRA1950 -0.0005
DE1950 PmDE1950 0.022 Vmag 8.9 SpType B9
Double code Source 4 CatNum 2007 DM BD+40 4105
DMcomp BDsup HD 228846 M HD 0
GC RA1950rad 5.30852252 DE1950rad 0.70485431 PmRA2000 -0.0002
PmDE2000 0.02
 
 
20184+4033 B
 
 
Coord arcsec 2000 201822.77+403253.4 Mag 10.36 PmRA 15.00 PmDE 8.0
Tycho2 3155-00166-1 HD 228839 Calc delta mag 0.77 Calc coord yes
Tycho2
Tycho2 3155-00166-1 Pflag RAmdeg 304.59288213 DEmdeg 40.54821883
PmRA 15.3 PmDE 5.4 E RAmdeg 26 E DEmdeg 24
E pmRA 1.2 E pmDE 1.1 EpRAm 1984.25 EpDEm 1984.54
Num 7 Q RAmdeg 0.6 Q DEmdeg 0.6 Q pmRA 0.6
Q pmDE 0.6 BTmag 10.798 E BTmag 0.045 VTmag 10.359
E VTmag 0.043 Prox 305 TYC T HIP
CCDM RAdeg 304.59283806 DEdeg 40.54820361 EpRA 1990 1.68
EpDE 1990 1.73 E RAdeg 30.1 E DEdeg 28.1 Posflg
Corr -0.1