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Doubles in session


Current system
21501+3151
FOX 264 AE


Nearby doubles
41' : 21487+3115
HJ 1695

43' : 21532+3205
ES 2322AB

43' : 21530+3210
KPP4254

45' : 21487+3231
GRV 508

45' : 21479+3117
HJ 1688

47' : 21487+3233
GRV 510

50' : 21509+3240
ES 382AB

56' : 21534+3115
TDT3217

56' : 21469+3229
GYL 65

57' : 21544+3206
COU1042

57' : 21544+3204
TDT3227

57' : 21457+3152
J 2356

61' : 21522+3252
ES 2321

63' : 21487+3251
ES 2386

63' : 21494+3048
GRV 511

64' : 21492+3254
ES 2265

66' : 21547+3220
LAF 67AB

67' : 21511+3046
DEA 89

67' : 21494+3045
STF2829

67' : 21449+3145
ES 381

71' : 21455+3113
TDT3141

73' : 21554+3217
J 203

73' : 21444+3140
HJ 1686

75' : 21493+3303
J 3146

75' : 21559+3141
ES 2360

75' : 21441+3203
J 2355



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 21501+3151 : COMPONENTS
 
 
  A B C D
B pa=12.8°
sep=2.87"
 
C pa=295.8°
sep=35.72"
pa=291.2°
sep=35.19"
 
D pa=153.9°
sep=38.81"
pa=156.4°
sep=41.09"
pa=135.6°
sep=70.46"
 
E pa=178.6°
sep=54.48"
pa=179.3°
sep=57.26"
pa=154.4°
sep=77.62"
pa=218.7°
sep=25.13"
 
 
21501+3151 A
 
 
Name V401 Peg Coord arcsec 2000 215005.37+315052.4 Mag 7.47 Spectral class K0 (yellow-orange)
PmRA 39.00 PmDE 5.0 SAO 71749 HIP 107781
Tycho2 2718-01184-1 HD 207703 BD BD+31 4556
Tycho2
Tycho2 2718-01184-1 Pflag RAmdeg 327.52240962 DEmdeg 31.84789958
PmRA 37.6 PmDE 1.8 E RAmdeg 4 E DEmdeg 5
E pmRA 1.3 E pmDE 1.2 EpRAm 1991.56 EpDEm 1991.58
Num 8 Q RAmdeg 0.8 Q DEmdeg 1.8 Q pmRA 0.8
Q pmDE 1.9 BTmag 8.704 E BTmag 0.016 VTmag 7.465
E VTmag 0.010 Prox 28 TYC T HIP 107781
CCDM A RAdeg 327.52230778 DEdeg 31.84789500 EpRA 1990 1.73
EpDE 1990 1.90 E RAdeg 4.1 E DEdeg 4.5 Posflg
Corr 0.0
SAO
SAO 71749 DelFlag RA1950 PmRA1950 0.0016
DE1950 PmDE1950 0.013 Vmag 7.2 SpType K0
Double code Source 6 CatNum 2241 DM BD+31 4556
DMcomp BDsup HD 207703 M HD 0
GC RA1950rad 5.70677256 DE1950rad 0.55176435 PmRA2000 0.0017
PmDE2000 0.009
Hipparcos
Catalog H HIP 107781 Proxy H RAhms 21 50 05.35
DEdms +31 50 52.4 Vmag 7.3 VarFlag R Vmag H
RAdeg 327.522 DEdeg 31.8479 AstroRef A Plx 5.6
CCDM 21501+3151 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 10 Rho 2.848 HD 207703 BD BD+31 4556
CD CP Dm number +31 4556 VIred 1.01
SpType K0 R SpType Coord arcsec 2000 215005.35+315052.4
Hipparcos 2
HIP 107781 Sn 15 So 3 Nc 2
RArad 5.716342522 DErad 0.5558505742 Plx 5.52 PmRA 37.65
PmDE 6.03 E RArad 0.47 E DErad 0.47 E Plx 0.66
E pmRA 0.62 E pmDE 0.5 Hpmag 7.4702 E Hpmag 0.0008
SHp 0.009 VA 0 BV 0.9 E BV 0.495
VI 1.01
CCDM
Ccdm 21501+3151 RComp Comp A Note1
Note2 Discov num DRAs -0.57 DDEs -7.1
R dRAs 10 Year Theta Rho
Obs 5 Vmag 7.3 Sp K0 PmNote *
PmRA 48 PmDE 14 Dm number +31 4556 Cat1 BD
Name2 +31 2241 Cat2 AGK2/3 HD 207703 M HD
ADS BDS A15364 M ADS BDS N IDS IDS 21457N3123A
HIC 107781
 
 
21501+3151 B
 
 
Coord arcsec 2000 215005.42+315055.2 Coord calc 215005.42+315055.2 Mag 11.03 PmRA 39.00
PmDE 5.0 Calc delta mag 3.56
CCDM
Ccdm 21501+3151 RComp Comp B Note1
Note2 Discov num BU 692 DRAs DDEs
R dRAs Year 1878 Theta 010 Rho 2.7
Obs 11 Vmag 10.8 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A15364 M ADS BDS N IDS IDS 21457N3123B
HIC 107781
 
 
21501+3151 C
 
 
Coord arcsec 2000 215002.85+315107.9 Mag 12.63 PmRA -6.00 PmDE -8.0
Calc delta mag 5.16 Calc coord yes
CCDM
Ccdm 21501+3151 RComp B Comp C Note1
Note2 Discov num BU 692 DRAs DDEs
R dRAs Year 1912 Theta 296 Rho 37.6
Obs 4 Vmag 10.8 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A15364 M ADS BDS N IDS IDS 21457N3123C
HIC
 
 
21501+3151 D
 
 
Coord arcsec 2000 215006.71+315017.6 Mag 13.92 PmRA 3.00 PmDE 0.0
Calc delta mag 6.45 Calc coord yes
CCDM
Ccdm 21501+3151 RComp Comp D Note1
Note2 Discov num FOX DRAs DDEs
R dRAs Year 1913 Theta 144 Rho 43.0
Obs 1 Vmag Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A15364 M ADS BDS N IDS IDS 21457N3123D
HIC
 
 
21501+3151 E
 
 
Coord arcsec 2000 215005.48+314957.9 Mag 13.3 PmRA -5.00 PmDE -17.0
Calc delta mag 5.83 Calc coord yes
CCDM
Ccdm 21501+3151 RComp Comp E Note1
Note2 Discov num FOX DRAs DDEs
R dRAs Year 1913 Theta 172 Rho 52.0
Obs 1 Vmag Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A15364 M ADS BDS N IDS IDS 21457N3123E
HIC