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Doubles in session


Current system
02157+2503
COU 79 AB
21 Ari


Nearby doubles
7' : 02154+2507
POU 165

11' : 02162+2455
POU 168

32' : 02159+2431
POU 166

34' : 02136+2521
GRV 116

38' : 02157+2426
HDO 57

40' : 02140+2431
POU 164

48' : 02127+2439
POU 163

51' : 02168+2415
POU 170

51' : 02194+2512
POU 173

52' : 02189+2529
POU 172

58' : 02197+2446
POU 174

64' : 02204+2456
POU 175

69' : 02165+2355
POU 169

74' : 02174+2353
STF 240

77' : 02105+2435
POU 161

79' : 02203+2415
J 1120

81' : 02123+2357
STF 226AB

82' : 02131+2616
LDS3358

84' : 02140+2342
HU 424

87' : 02112+2604
BRT3260AB

89' : 02092+2458
POU 160

91' : 02218+2425
POU 179

92' : 02222+2437
POU 180

99' : 02143+2326
AZC 22

100' : 02109+2348
HDS 292

100' : 02209+2353
POU 176



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 02157+2503 : COMPONENTS
 
 
  A B C
B pa=36.5°
sep=0.19"
 
C pa=160.5°
sep=239.30"
pa=160.6°
sep=239.40"
 
Cb pa=160.5°
sep=239.96"
pa=160.5°
sep=240.07"
pa=152.5°
sep=0.67"
 
 
02157+2503 A
 
 
Name 21 Ari Coord arcsec 2000 021542.83+250235.7 Mag 6.4 Spectral class F6V (yellow-white)
PmRA -88.00 PmDE -87.0 SAO 75238 HIP 10535
Tycho2 1769-01309-1 HD 13872 HR 657 GC 2706
BD BD+24 329 Flamsteed 21 Arietis Flamsteed name 21 Ari FK5 1059
Tycho2
Tycho2 1769-01309-1 Pflag RAmdeg 33.92823939 DEmdeg 25.04303817
PmRA -88.1 PmDE -89.3 E RAmdeg 3 E DEmdeg 4
E pmRA 0.7 E pmDE 0.7 EpRAm 1991.46 EpDEm 1991.27
Num 21 Q RAmdeg 1.3 Q DEmdeg 1.0 Q pmRA 1.6
Q pmDE 0.9 BTmag 6.178 E BTmag 0.014 VTmag 5.637
E VTmag 0.009 Prox 999 TYC T HIP 10535
CCDM AB RAdeg 33.92846111 DEdeg 25.04324222 EpRA 1990 1.78
EpDE 1990 1.77 E RAdeg 3.4 E DEdeg 3.8 Posflg P
Corr -0.2
SAO
SAO 75238 DelFlag RA1950 PmRA1950 -0.0065
DE1950 PmDE1950 -0.082 Vmag 5.6 SpType F5
Double code Source 74 CatNum 1059 DM BD+24 329
DMcomp BDsup HD 13872 M HD 0
GC 2706 RA1950rad 0.57975283 DE1950rad 0.43305749 PmRA2000 -0.0065
PmDE2000 -0.086
Hipparcos
Catalog H HIP 10535 Proxy H RAhms 02 15 42.83
DEdms +25 02 35.7 Vmag 5.57 VarFlag R Vmag H
RAdeg 33.9285 DEdeg 25.0433 AstroRef * Plx 20.77
CCDM 02157+2503 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source S Qual A M HIP AB
Theta 36 Rho 0.187 HD 13872 BD BD+24 329
CD CP Dm number +24 329 VIred 0.58
SpType F6V R SpType Coord arcsec 2000 021542.83+250235.7
Hipparcos 2
HIP 10535 Sn 55 So 3 Nc 2
RArad 0.5921636272 DErad 0.4370872595 Plx 19.58 PmRA -89.72
PmDE -86.42 E RArad 0.43 E DErad 0.34 E Plx 0.61
E pmRA 0.52 E pmDE 0.5 Hpmag 5.6885 E Hpmag 0.0004
SHp 0.005 VA 0 BV 0.52 E BV 0.004
VI 0.59
CCDM
Ccdm 02157+2503 RComp Comp A Note1
Note2 Discov num DRAs 0.76 DDEs -25.0
R dRAs 10 Year Theta Rho
Obs 2 Vmag 6.5 Sp F5 PmNote *
PmRA -89 PmDE -82 Dm number +24 329 Cat1 BD
Name2 +24 201 Cat2 AGK2/3 HD 13872 M HD
ADS BDS M ADS BDS N IDS IDS 02101N2435A
HIC 10535
 
 
02157+2503 B
 
 
Coord arcsec 2000 021542.84+250235.9 Mag 6.48 Calc delta mag 0.08 Calc coord yes
CCDM
Ccdm 02157+2503 RComp Comp B Note1 *
Note2 Discov num COU 79 DRAs DDEs
R dRAs Year 1965 Theta 50 Rho 0.2
Obs 1 Vmag 6.8 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 02101N2435B
HIC 10535
 
 
02157+2503 C
 
 
Coord arcsec 2000 021548.70+245850.1 Mag 12.2 PmRA -88.00 PmDE -90.0
Calc delta mag 5.8
 
 
02157+2503 Cb
 
 
Coord arcsec 2000 021548.72+245849.5 Mag 13.9 Calc delta mag 7.5 Calc coord yes