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Current system
21389+6446
STI 1043


Nearby doubles
17' : 21365+6449
MLB 224

30' : 21426+6429
KPP2415

34' : 21338+6454
HU 966

44' : 21378+6402
HJ 1680AB

45' : 21356+6526
TOI2050

52' : 21332+6410
MLB 223

55' : 21342+6400
ES 2712

56' : 21359+6539
MLR 83AB

61' : 21311+6521
TDT3005

68' : 21331+6543
TDT3026

70' : 21338+6549
AZC 181

71' : 21326+6350
ES 2711

72' : 21309+6537
SKF2614

72' : 21297+6406
RAO 622

75' : 21498+6514
MLR 74

76' : 21459+6548
HJ 1696

78' : 21282+6525
HJ 1656AB

79' : 21372+6604
HDS3077

81' : 21394+6325
STI1044

82' : 21339+6332
TDS1135

82' : 21493+6401
TDT3177

82' : 21288+6537
OSO 147AB

83' : 21518+6453
STF2844

85' : 21430+6606
WNT 1AB

86' : 21512+6414
ES 1921

86' : 21520+6508
STI1066



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Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

21389+6446 STI 1043

 
 
21h 38m 51.20s +64° 46' 10.6" P.A. 46.00 sep 5.4 mag 10.51,11.76 Sp A2 dist. 2564.1 pc (8364.09 l.y.)
 
 
Coord 2000 21389+6446 Discov num STI1043 Comp Coord arcsec 2000 21 38 51.20 +64 46 10.6
Date first 1895 Date last 2016 Obs 14
Pa first 50 Pa last 45.8 P.A. Now (θ) 45.8°
Sep first 5.0 Sep last 5.377 Sep. Now (ρ) 5.377"
Mag pri 10.51 Mag sec 11.76 delta mag (ΔM) 1.25 Spectral class A2 (white)
Pri motion ra -006 Sec motion ra -006
Pri motion dec -008 Sec motion dec -006
Notes
rPM=0.2 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cepheus HIP 106878 Tycho2 4257-02820-1 Gaia DR2 2217781821575236736
BD BD+64 1578 Distance 2564.1 Distance ly 8364.09
 
 
WDS 21389+6446 STI 1043 : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Sti Stein, J. (see Vat1926) ...................
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21389+6446 STI1043 1999 7 46 5.4 10.51 11.76 A2 D 213851.20+644610.6
21389+6446 STI1043 2003 8 46 5.4 10.51 11.76 A2 D 213851.20+644610.6
21389+6446 STI1043 2011 9 46 5.3 10.51 11.76 A2 213851.20+644610.6
21389+6446 STI1043 2015 11 46 5.4 10.51 11.76 A2 213851.20+644610.6
21389+6446 STI1043 2016 14 46 5.4 10.51 11.76 A2 213851.20+644610.6

If you need more information about this double, apply for a data request form to the WDS.

 
 
WDS 21389+6446 STI 1043 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 21389+6446 STI 1043 : MEASURES
 
 
No records found.

 
 
WDS 21389+6446 : VIRTUAL EYEPIECE
 
 

21389+6446 STI1043A mag 10.51 Sp A2 21389+6446 STI1043B sep 4.1 P.A. 23.70 mag 11.76 virtual eyepiece
Click on the map to see the double of your interest.
Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 21389+6446 : ALADIN DSS IMAGE @ 21h 38m 51.20s +64° 46' 10.6"
 
 
 
 
WDS 21389+6446 STI 1043 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

21389+6446 STI1043 distance=0' 21365+6449 MLB 224 distance=17' 21426+6429 KPP2415 distance=30' 21338+6454 HU 966 distance=34' 21378+6402 HJ 1680AB distance=44' 21378+6402 HJ 1680AC distance=44' 21356+6526 TOI2050 distance=45' 21332+6410 MLB 223 distance=52' 21342+6400 ES 2712 distance=55' 21359+6539 MLR 83AB distance=56' 21359+6539 MLR 83AB,C distance=56' 21311+6521 TDT3005 distance=61' 21331+6543 TDT3026 distance=68' 21338+6549 AZC 181 distance=70' 21326+6350 ES 2711 distance=71' 21309+6537 SKF2614 distance=72' 21297+6406 RAO 622 distance=72' 21498+6514 MLR 74 distance=75' 21459+6548 HJ 1696 distance=76' 21439+6336 STF2827A,BC distance=78' 21439+6336 STF2827BC distance=78' 21282+6525 HJ 1656AB distance=78' 21282+6525 HJ 1656AC distance=78' 21282+6525 ABH 145AD distance=78' 21282+6525 ABH 145AE distance=78' 21282+6525 ABH 145AF distance=78' 21282+6525 ABH 145AG distance=78' 21282+6525 ABH 145AH distance=78' 21282+6525 ES 1919AI distance=78' 21372+6604 HDS3077 distance=79' 21394+6325 STI1044 distance=81' 21339+6332 TDS1135 distance=82' 21493+6401 TDT3177 distance=82' 21288+6537 OSO 147AB distance=82' 21288+6537 OSO 147AC distance=82' 21288+6537 OSO 147AD distance=82' 21518+6453 STF2844 distance=83' 21430+6606 WNT 1AB distance=85' 21430+6606 WNT 1AC distance=85' 21430+6606 WNT 1AD distance=85' 21430+6606 WNT 1AE distance=85' 21430+6606 WNT 1AF distance=85' 21430+6606 LI 8AG distance=85' 21430+6606 KAT 1AH distance=85' 21430+6606 KAT 1AI distance=85' 21430+6606 KAT 1AJ distance=85' 21430+6606 KAT 1AK distance=85' 21430+6606 KAT 1AL distance=85' 21512+6414 ES 1921 distance=86' 21520+6508 STI1066 distance=86' 21261+6517 TDT2961 distance=87' grafico limitrofi
Click on the map to see the double of your interest.
Pass over with the mouse cursor to display the catalog designation.
Show name coord_2000 discov# comp pa sep dist(')
Show 21389+6446 STI1043 46 5.4
Show 21365+6449 MLB 224 104 6.1 17
Show 21426+6429 KPP2415 18 21.0 30
Show 21338+6454 HU 966 335 0.5 34
Show 21378+6402 HJ 1680 AB 268 15.8 44
Show 21378+6402 HJ 1680 AC 222 21.9 44
Show 21356+6526 TOI2050 109 12.2 45
Show 21332+6410 MLB 223 129 1.7 52
Show 21342+6400 ES 2712 228 13.1 55
Show 21359+6539 MLR 83 AB 321 0.5 56
Show 21359+6539 MLR 83 AB,C 10 23.9 56
Show 21311+6521 TDT3005 253 0.4 61
Show 21331+6543 TDT3026 225 2.3 68
Show 21338+6549 AZC 181 170 7.3 70
Show 21326+6350 ES 2711 351 12.4 71
Show 21309+6537 SKF2614 236 54.9 72
Show 21297+6406 RAO 622 320 2.4 72
Show 21498+6514 MLR 74 264 0.9 75
Show 21459+6548 HJ 1696 130 17.3 76
Show 21439+6336 STF2827 A,BC 198 5.9 78
Show 21439+6336 STF2827 BC 319 0.8 78
Show 21282+6525 HJ 1656 AB 164 13.5 78
Show 21282+6525 HJ 1656 AC 14 15.1 78
Show 21282+6525 ABH 145 AD 68 98.5 78
Show 21282+6525 ABH 145 AE 96 64.3 78
Show 21282+6525 ABH 145 AF 182 49.5 78
Show 21282+6525 ABH 145 AG 190 55.6 78
Show 21282+6525 ABH 145 AH 247 78.6 78
Show 21282+6525 ES 1919 AI 23 8.2 78
Show 21372+6604 HDS3077 273 0.1 79
Show 21394+6325 STI1044 195 5.3 81
Show 21339+6332 TDS1135 28 0.9 82
Show 21493+6401 TDT3177 89 0.4 82
Show 21288+6537 OSO 147 AB 211 23.1 82
Show 21288+6537 OSO 147 AC 287 24.7 82
Show 21288+6537 OSO 147 AD 119 22.3 82
Show 21518+6453 STF2844 260 11.9 83
Show 21430+6606 WNT 1 AB 330 2.5 85
Show 21430+6606 WNT 1 AC 296 2.5 85
Show 21430+6606 WNT 1 AD 11 8.4 85
Show 21430+6606 WNT 1 AE 265 11.2 85
Show 21430+6606 WNT 1 AF 176 12.5 85
Show 21430+6606 LI 8 AG 123 6.5 85
Show 21430+6606 KAT 1 AH 205 10.7 85
Show 21430+6606 KAT 1 AI 204 6.4 85
Show 21430+6606 KAT 1 AJ 97 1.9 85
Show 21430+6606 KAT 1 AK 276 2.3 85
Show 21430+6606 KAT 1 AL 306 3.7 85
Show 21512+6414 ES 1921 173 4.5 86
Show 21520+6508 STI1066 3 4.1 86
Show 21261+6517 TDT2961 85 4.9 87

 
 
WDS 21389+6446 : COMPONENTS
 
 
  A
B pa=23.7°
sep=4.09"
 
 
21389+6446 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 213851.20+644610.6 Mag 10.51 Spectral class A2 (white)
PmRA -6.00 PmDE -8.0 HIP 106878 Tycho2 4257-02820-1
BD BD+64 1578
Tycho2
Tycho2 4257-02820-1 Pflag RAmdeg 324.71332963 DEmdeg 64.76961810
PmRA -6.5 PmDE -6.5 E RAmdeg 22 E DEmdeg 24
E pmRA 1.4 E pmDE 1.4 EpRAm 1988.53 EpDEm 1987.91
Num 6 Q RAmdeg 1.1 Q DEmdeg 0.5 Q pmRA 1.1
Q pmDE 0.5 BTmag 10.548 E BTmag 0.035 VTmag 10.507
E VTmag 0.045 Prox 54 TYC T HIP 106878
CCDM A RAdeg 324.71336194 DEdeg 64.76963250 EpRA 1990 1.76
EpDE 1990 1.74 E RAdeg 22.5 E DEdeg 25.4 Posflg
Corr 0.0
Hipparcos
Catalog H HIP 106878 Proxy H RAhms 21 38 51.21
DEdms +64 46 10.7 Vmag 10.06 VarFlag R Vmag H
RAdeg 324.713 DEdeg 64.7696 AstroRef A Plx 1.68
CCDM 21389+6446 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 46 Rho 5.369 HD BD BD+64 1578
CD CP Dm number +64 1578 VIred 0.28
SpType A2... R SpType Coord arcsec 2000 213851.21+644610.7
Hipparcos 2
HIP 106878 Sn 15 So 3 Nc 2
RArad 5.6673173296 DErad 1.1304433216 Plx 0.39 PmRA -3.46
PmDE -1.36 E RArad 1.59 E DErad 1.45 E Plx 1.69
E pmRA 2.11 E pmDE 1.78 Hpmag 10.1286 E Hpmag 0.0043
SHp 0.027 VA 0 BV 0.247 E BV 0.141
VI 0.28
CCDM
Ccdm 21389+6446 RComp Comp A Note1
Note2 Discov num DRAs -2.94 DDEs 10.3
R dRAs 10 Year Theta Rho
Obs 2 Vmag 10.1 Sp PmNote *
PmRA -29 PmDE 2 Dm number +64 1578 Cat1 BD
Name2 +64 1087 Cat2 AGK2/3 HD M HD
ADS BDS A15188 M ADS BDS N IDS IDS 21364N6419A
HIC 106878
 
 
21389+6446 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 213851.46+644614.3 Mag 11.76 PmRA -6.00
PmDE -6.0 Calc delta mag 1.25 Calc coord yes
CCDM
Ccdm 21389+6446 RComp Comp B Note1
Note2 Discov num STI1043 DRAs -2.37 DDEs 13.7
R dRAs 10 Year 1898 Theta 048 Rho 4.9
Obs 1 Vmag 11.0 Sp PmNote *
PmRA -26 PmDE -19 Dm number Cat1
Name2 +64 1087 Cat2 AGK2/3 HD M HD
ADS BDS A15188 M ADS BDS N IDS IDS 21364N6419B
HIC 106878