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Doubles in session


Current system
03280+2028
COU 260 Aa,Ab


Nearby doubles
20' : 03287+2010
TDS 116

31' : 03261+2015
A 2344AB

42' : 03305+2006
STF 399AB

44' : 03295+2107
HU 435

48' : 03247+2033
J 931

61' : 03312+1947
STF 403AB

70' : 03313+2119
GRV 178

73' : 03233+2058
STF 381

76' : 03228+2045
HDS 423

77' : 03275+1911
A 2345AB

93' : 03314+2148
STF 404AB

100' : 03345+1948
STF 414

101' : 03209+2031
HDS 418

104' : 03271+1845
CHR 10AB

104' : 03212+2109
COU 259

106' : 03349+1949
STF 416AB

107' : 03298+1844
WZ 7

107' : 03265+2213
LDS6083

110' : 03218+2134
GRV 173

112' : 03348+2126
BRT3261AB

112' : 03270+2219
LDS6084

114' : 03216+1920
GWP 455

117' : 03203+1944
STF 376

119' : 03216+2145
HU 434

125' : 03208+2139
AG 66

130' : 03368+2106
LDS3511



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 03280+2028 : COMPONENTS
 
 
  A Ab
Ab pa=23.0°
sep=0.23"
 
B pa=164.3°
sep=6.87"
pa=165.5°
sep=7.06"
 
 
03280+2028 A
 
 
Name HD 21437 Coord arcsec 2000 032801.40+202751.4 Mag 7.05 Spectral class A3 (white)
PmRA 3.00 PmDE -5.0 SAO 75940 HIP 16143
Tycho2 1242-00076-1 HD 21437 GC 4117 BD BD+19 537
Tycho2
Tycho2 1242-00076-1 Pflag RAmdeg 52.00583546 DEmdeg 20.46427562
PmRA 5.8 PmDE -1.3 E RAmdeg 5 E DEmdeg 6
E pmRA 0.9 E pmDE 0.8 EpRAm 1991.20 EpDEm 1990.72
Num 14 Q RAmdeg 1.4 Q DEmdeg 1.7 Q pmRA 1.4
Q pmDE 1.8 BTmag 7.664 E BTmag 0.017 VTmag 7.052
E VTmag 0.012 Prox 68 TYC T HIP 16143
CCDM AB RAdeg 52.00582111 DEdeg 20.46427861 EpRA 1990 1.72
EpDE 1990 1.51 E RAdeg 5.2 E DEdeg 6.3 Posflg P
Corr -0.4
SAO
SAO 75940 DelFlag RA1950 PmRA1950 0.0006
DE1950 PmDE1950 -0.001 Vmag 7 SpType A3
Double code Source 70 CatNum 4117 DM BD+19 537
DMcomp A BDsup HD 21437 M HD 0
GC 4117 RA1950rad 0.89507613 DE1950rad 0.35415399 PmRA2000 0.0006
PmDE2000 -0.003
Hipparcos
Catalog H HIP 16143 Proxy H RAhms 03 28 01.40
DEdms +20 27 51.4 Vmag 6.72 VarFlag R Vmag G
RAdeg 52.0058 DEdeg 20.4643 AstroRef * Plx 4.96
CCDM 03280+2028 N CCDM I Nsys 1 Ncomp 3
MultFlag C Source Qual A M HIP
Theta Rho HD 21437 BD BD+19 537
CD CP Dm number +19 537 VIred 1.07
SpType A3+... R SpType Coord arcsec 2000 032801.40+202751.4
Hipparcos 2
HIP 16143 Sn 55 So 3 Nc 3
RArad 0.9076725436 DErad 0.3571690566 Plx -13.14 PmRA -21.54
PmDE -61.58 E RArad 10.01 E DErad 4.11 E Plx 9.59
E pmRA 12.83 E pmDE 12.27 Hpmag 6.8115 E Hpmag 0.0024
SHp 0.015 VA 0 BV 0.471 E BV 0.02
VI 0.46
CCDM
Ccdm 03280+2028 RComp Comp A Note1
Note2 Discov num DRAs 1.39 DDEs -11.0
R dRAs 10 Year Theta Rho
Obs 3 Vmag 7.1 Sp A3 PmNote *
PmRA -1 PmDE -36 Dm number +19 537 Cat1 BD
Name2 +20 318 Cat2 AGK2/3 HD 21437 M HD
ADS BDS A 2546 M ADS BDS N IDS IDS 03222N2007A
HIC 16143
 
 
03280+2028 Ab
 
 
Coord arcsec 2000 032801.41+202751.6 Mag 8.08 Calc delta mag 0.36 Calc coord yes
 
 
03280+2028 B
 
 
Coord arcsec 2000 032801.53+202744.8 Mag 8.16 Spectral class G5 (yellow) PmRA 3.00
PmDE -5.0 Tycho2 1242-01203-1 Calc delta mag 0.44 Calc coord yes
Tycho2
Tycho2 1242-01203-1 Pflag RAmdeg 52.00641433 DEmdeg 20.46245455
PmRA 1.5 PmDE -1.5 E RAmdeg 8 E DEmdeg 10
E pmRA 1.6 E pmDE 1.6 EpRAm 1991.46 EpDEm 1991.09
Num 3 Q RAmdeg 0.8 Q DEmdeg 2.1 Q pmRA 0.8
Q pmDE 2.1 BTmag 8.434 E BTmag 0.020 VTmag 8.158
E VTmag 0.017 Prox 68 TYC T HIP 16143
CCDM C RAdeg 52.00641056 DEdeg 20.46245806 EpRA 1990 1.72
EpDE 1990 1.52 E RAdeg 7.6 E DEdeg 9.8 Posflg D
Corr -0.4
CCDM
Ccdm 03280+2028 RComp Comp B Note1
Note2 Discov num COU 260 DRAs DDEs
R dRAs Year 1968 Theta 16 Rho 0.2
Obs 1 Vmag 8.1 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 03223N2007B
HIC 16143