stampa
Login

About to create a great list of doubles? Share it with other users!
Create your account here


Search



Actions
Advanced Search
Go to Simbad
New report
New measure
Login


Computed Lists
Populars
Latest Populars
Doubles in session


Current system
20520+4346
SKF 2740 BC


Nearby doubles
24' : 20535+4328
LDS2465

28' : 20501+4404
STT 595AB

29' : 20517+4317
LDS2461

31' : 20512+4415
CHN 31

33' : 20524+4314
LDS2462

36' : 20519+4309
GRV 389

38' : 20509+4421
CHN 30AB

39' : 20506+4421
CHN 29

41' : 20532+4423
LSC 94

43' : 20553+4322
LDS2468

43' : 20559+4345
COU2543

45' : 20525+4430
BRT2279

48' : 20476+4347
CHN 28

49' : 20530+4258
COU2542

50' : 20565+4333
BRT1139

51' : 20473+4345
COU2425

53' : 20521+4438
HER 18

53' : 20568+4335
BRT1957

55' : 20470+4335
GRV 380AB

60' : 20474+4314
TDT2539

61' : 20538+4443
LDS5914

62' : 20564+4308
COU2544

64' : 20461+4353
GRV 378

64' : 20573+4319
ES 1450

67' : 20472+4427
COU2424

68' : 20513+4238
A 614



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 20520+4346 : COMPONENTS
 
 
  A B
B pa=119.3°
sep=9.19"
 
C pa=182.3°
sep=76.36"
pa=188.8°
sep=72.65"
 
 
20520+4346 A
 
 
Name HD 198896 Coord arcsec 2000 205158.64+434528.7 Mag 8.64 Spectral class G8IV (yellow)
PmRA 6.00 PmDE -3.0 HIP 102990 Tycho2 3179-01317-1
HD 198896 BD BD+43 3746
Tycho2
Tycho2 3179-01317-1 Pflag RAmdeg 312.99433176 DEmdeg 43.75797842
PmRA 6.8 PmDE -2.1 E RAmdeg 10 E DEmdeg 10
E pmRA 1.4 E pmDE 1.3 EpRAm 1991.07 EpDEm 1991.05
Num 3 Q RAmdeg 0.4 Q DEmdeg 1.1 Q pmRA 0.4
Q pmDE 1.2 BTmag 9.946 E BTmag 0.026 VTmag 8.643
E VTmag 0.014 Prox 91 TYC T HIP 102990
CCDM A RAdeg 312.99430972 DEdeg 43.75798333 EpRA 1990 1.62
EpDE 1990 1.61 E RAdeg 9.9 E DEdeg 9.5 Posflg
Corr -0.1
Hipparcos
Catalog H HIP 102990 Proxy H RAhms 20 51 58.63
DEdms +43 45 28.7 Vmag 7.91 VarFlag R Vmag H
RAdeg 312.994 DEdeg 43.758 AstroRef A Plx 0.33
CCDM 20520+4345 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 121 Rho 9.084 HD 198896 BD BD+43 3746
CD CP Dm number +43 3746 VIred 0.68
SpType Am + K0 R SpType Coord arcsec 2000 205158.63+434528.7
Hipparcos 2
HIP 102990 Sn 15 So 3 Nc 2
RArad 5.4627812182 DErad 0.7637208237 Plx 2.75 PmRA 5.25
PmDE -3.96 E RArad 1.29 E DErad 1.63 E Plx 1.85
E pmRA 1.43 E pmDE 1.54 Hpmag 8.0423 E Hpmag 0.0011
SHp 0.016 VA 0 BV 0.615 E BV 0.012
VI 0.68
 
 
20520+4346 B
 
 
Coord arcsec 2000 205159.38+434524.2 Coord calc 205159.38+434524.2 Mag 8.94 Spectral class A3m (white)
PmRA 29.00 PmDE 5.0 HIP 102990 Tycho2 3179-01479-1
Calc delta mag 0.3
Tycho2
Tycho2 3179-01479-1 Pflag RAmdeg 312.99740914 DEmdeg 43.75671315
PmRA 28.1 PmDE 6.2 E RAmdeg 9 E DEmdeg 8
E pmRA 1.3 E pmDE 1.3 EpRAm 1991.12 EpDEm 1991.26
Num 3 Q RAmdeg 0.1 Q DEmdeg 0.1 Q pmRA 0.1
Q pmDE 0.2 BTmag 9.113 E BTmag 0.018 VTmag 8.939
E VTmag 0.016 Prox 91 TYC T HIP 102990
CCDM B RAdeg 312.99731889 DEdeg 43.75669861 EpRA 1990 1.62
EpDE 1990 1.62 E RAdeg 8.8 E DEdeg 8.4 Posflg
Corr -0.1
Hipparcos
Catalog H HIP 102990 Proxy H RAhms 20 51 58.63
DEdms +43 45 28.7 Vmag 7.91 VarFlag R Vmag H
RAdeg 312.994 DEdeg 43.758 AstroRef A Plx 0.33
CCDM 20520+4345 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 121 Rho 9.084 HD 198896 BD BD+43 3746
CD CP Dm number +43 3746 VIred 0.68
SpType Am + K0 R SpType Coord arcsec 2000 205158.63+434528.7
Hipparcos 2
HIP 102990 Sn 15 So 3 Nc 2
RArad 5.4627812182 DErad 0.7637208237 Plx 2.75 PmRA 5.25
PmDE -3.96 E RArad 1.29 E DErad 1.63 E Plx 1.85
E pmRA 1.43 E pmDE 1.54 Hpmag 8.0423 E Hpmag 0.0011
SHp 0.016 VA 0 BV 0.615 E BV 0.012
VI 0.68
 
 
20520+4346 C
 
 
Coord arcsec 2000 205158.35+434412.4 Mag 11.9 PmRA 29.00 PmDE 5.0
Tycho2 3179-00522-1 Calc delta mag 3.26 Calc coord yes
Tycho2
Tycho2 3179-00522-1 Pflag RAmdeg 312.99151182 DEmdeg 43.73680084
PmRA 31.6 PmDE 5.6 E RAmdeg 74 E DEmdeg 80
E pmRA 2.0 E pmDE 1.9 EpRAm 1974.27 EpDEm 1967.79
Num 3 Q RAmdeg 0.0 Q DEmdeg 0.8 Q pmRA 0.1
Q pmDE 0.8 BTmag 12.485 E BTmag 0.191 VTmag 11.907
E VTmag 0.165 Prox 733 TYC HIP
CCDM RAdeg 312.99141056 DEdeg 43.73678778 EpRA 1990 1.68
EpDE 1990 1.61 E RAdeg 82.2 E DEdeg 91.9 Posflg
Corr 0.1