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Doubles in session


Current system
20466+5004
HDS 2959


Nearby doubles
1' : 20465+5005
HDS2958

16' : 20457+4951
TDT2521

25' : 20449+5023
SKF2395

30' : 20496+5008
ES 94AB

32' : 20486+5029
BU 366AB

37' : 20457+5040
STT 412AB

45' : 20421+5013
ES 91AB

45' : 20441+5043
LEP 171

45' : 20422+5020
BU 675AB

45' : 20499+5036
CBL 87

52' : 20496+5047
HDS2968

52' : 20434+4923
STJ 111

53' : 20438+4921
HEI 911

53' : 20483+5054
ES 998

59' : 20418+4929
HEI 910

63' : 20425+4916
ARG 39AB

64' : 20470+4901
HDS2962

69' : 20521+4923
ES 811

72' : 20441+4856
HEI 912

81' : 20383+5023
HU 588AB

85' : 20380+5025
DAM 294

86' : 20378+5018
DAM 293

87' : 20406+4900
ES 509

89' : 20376+5028
L 49

92' : 20405+4855
ES 807

92' : 20511+5125
BU 155AB



Selections
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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.

20466+5004 HDS 2959

 
 
20h 46m 33.74s +50° 04' 29.8" P.A. 21.00 sep 0.5 mag 11.10,12.98 Sp A0 dist. 751.88 pc (2452.63 l.y.)
 
 
Coord 2000 20466+5004 Discov num HDS2959 Comp Coord arcsec 2000 20 46 33.74 +50 04 29.8
Date first 1991 Date last 1991 Obs 1
Pa first 21 Pa last 21 P.A. Now (θ) 21°
Sep first 0.5 Sep last 0.479 Sep. Now (ρ) 0.479"
Mag pri 11.10 Mag sec 12.98 delta mag (ΔM) 1.88 Spectral class A0 (white)
Pri motion ra +002 Sec motion ra
Pri motion dec -005 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus HIP 102520 Tycho2 3582-00359-1 Gaia DR2 2168351244824616448
Distance 751.88 Distance ly 2452.63
 
 
WDS 20466+5004 HDS 2959 : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
HDS Hipparcos Double Star (from additional DD list) ...................
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20466+5004 HDS2959 1991 1 21 0.5 11.10 12.98 A0 204633.74+500429.8

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

 
 
WDS 20466+5004 HDS 2959 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20466+5004 HDS 2959 : MEASURES
 
 
No records found.

 
 
WDS 20466+5004 : VIRTUAL EYEPIECE
 
 

20466+5004 HDS2959A mag 11.1 Sp A0 20466+5004 HDS2959B sep 0.5 P.A. 13.80 mag 12.98 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 20466+5004 : ALADIN DSS IMAGE @ 20h 46m 33.74s +50° 04' 29.8"
 
 
 
 
WDS 20466+5004 HDS 2959 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20466+5004 HDS2959 distance=0' 20465+5005 HDS2958 distance=1' 20457+4951 TDT2521 distance=16' 20449+5023 SKF2395 distance=25' 20496+5008 ES 94AB distance=30' 20496+5008 GUI 34AD distance=30' 20496+5008 ES 94BC distance=31' 20486+5029 BU 366AB distance=32' 20486+5029 BU 366AC distance=32' 20486+5029 D 23CD distance=32' 20457+5040 STT 412AB distance=37' 20457+5040 STT 412AC distance=37' 20457+5040 STT 412BC distance=37' 20421+5013 ES 91BC distance=45' 20421+5013 ES 91AB distance=45' 20421+5013 ES 91AC distance=45' 20441+5043 LEP 171 distance=45' 20422+5020 BU 675AB distance=45' 20422+5020 BU 675AC distance=45' 20422+5020 BU 675AD distance=45' 20422+5020 BU 675AE distance=45' 20499+5036 CBL 87 distance=45' 20496+5047 HDS2968 distance=52' 20434+4923 STJ 111 distance=52' 20438+4921 HEI 911 distance=53' 20483+5054 ES 998 distance=53' 20418+4929 HEI 910 distance=59' 20425+4916 ARG 39AB distance=63' 20425+4916 ARG 39AF distance=63' 20425+4916 ARG 39AG distance=63' 20425+4916 ARG 39BC distance=63' 20425+4916 ARG 39BD distance=63' 20425+4916 ARG 39BE distance=63' 20470+4901 HDS2962 distance=64' 20521+4923 ES 811 distance=69' 20441+4856 HEI 912 distance=72' 20383+5023 HU 588AB distance=81' 20380+5025 DAM 294 distance=85' 20378+5018 DAM 293 distance=86' 20406+4900 ES 509 distance=87' 20376+5028 L 49 distance=89' 20405+4855 ES 807 distance=92' 20511+5125 BU 155AB distance=92' 20511+5125 BU 155AC distance=92' 20511+5125 BU 155AD distance=92' 20540+4905 HEI 913 distance=93' 20570+5013 TDT2651 distance=101' 20564+5044 BU 1137 distance=103' 20379+5106 KPP4397CD distance=103' 20379+5106 KPP4397BC distance=103' 20379+5106 ES 88AB distance=103' 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 20466+5004 HDS2959 21 0.5
Show 20465+5005 HDS2958 334 0.1 1
Show 20457+4951 TDT2521 236 0.3 16
Show 20449+5023 SKF2395 204 4.1 25
Show 20496+5008 ES 94 AB 15 102.7 30
Show 20496+5008 GUI 34 AD 58 86.9 30
Show 20496+5008 ES 94 BC 79 2.5 31
Show 20486+5029 BU 366 AB 130 1.5 32
Show 20486+5029 BU 366 AC 105 51.1 32
Show 20486+5029 D 23 CD 5 1.7 32
Show 20457+5040 STT 412 AB 279 26.0 37
Show 20457+5040 STT 412 AC 268 26.2 37
Show 20457+5040 STT 412 BC 186 5.0 37
Show 20421+5013 ES 91 BC 247 14.8 45
Show 20421+5013 ES 91 AB 189 4.6 45
Show 20421+5013 ES 91 AC 235 17.6 45
Show 20441+5043 LEP 171 172 4.4 45
Show 20422+5020 BU 675 AB 102 3.3 45
Show 20422+5020 BU 675 AC 185 28.8 45
Show 20422+5020 BU 675 AD 329 33.3 45
Show 20422+5020 BU 675 AE 240 72.0 45
Show 20499+5036 CBL 87 2 25.0 45
Show 20496+5047 HDS2968 69 0.3 52
Show 20434+4923 STJ 111 64 0.9 52
Show 20438+4921 HEI 911 125 2.4 53
Show 20483+5054 ES 998 176 3.2 53
Show 20418+4929 HEI 910 201 1.6 59
Show 20425+4916 ARG 39 AB 184 15.4 63
Show 20425+4916 ARG 39 AF 258 34.4 63
Show 20425+4916 ARG 39 AG 341 52.4 63
Show 20425+4916 ARG 39 BC 100 35.4 63
Show 20425+4916 ARG 39 BD 241 21.1 63
Show 20425+4916 ARG 39 BE 55 44.1 63
Show 20470+4901 HDS2962 222 0.1 64
Show 20521+4923 ES 811 158 1.4 69
Show 20441+4856 HEI 912 201 1.7 72
Show 20383+5023 HU 588 AB 245 2.0 81
Show 20380+5025 DAM 294 258 4.1 85
Show 20378+5018 DAM 293 286 4.8 86
Show 20406+4900 ES 509 285 8.6 87
Show 20376+5028 L 49 82 4.1 89
Show 20405+4855 ES 807 154 3.9 92
Show 20511+5125 BU 155 AB 40 0.7 92
Show 20511+5125 BU 155 AC 40 14.8 92
Show 20511+5125 BU 155 AD 48 191.8 92
Show 20540+4905 HEI 913 14 2.1 93
Show 20570+5013 TDT2651 209 1.9 101
Show 20564+5044 BU 1137 350 7.4 103
Show 20379+5106 KPP4397 CD 35 2.2 103
Show 20379+5106 KPP4397 BC 201 49.0 103
Show 20379+5106 ES 88 AB 127 7.8 103

 
 
WDS 20466+5004 : COMPONENTS
 
 
  A
B pa=13.8°
sep=0.46"
 
 
20466+5004 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 204633.74+500429.8 Mag 11.1 Spectral class A0 (white)
PmRA 2.00 PmDE -5.0 HIP 102520 Tycho2 3582-00359-1
Tycho2
Tycho2 3582-00359-1 Pflag RAmdeg 311.64059645 DEmdeg 50.07494937
PmRA -0.8 PmDE -5.4 E RAmdeg 28 E DEmdeg 29
E pmRA 1.8 E pmDE 1.7 EpRAm 1985.59 EpDEm 1984.81
Num 7 Q RAmdeg 1.2 Q DEmdeg 0.9 Q pmRA 1.2
Q pmDE 0.9 BTmag 11.529 E BTmag 0.073 VTmag 10.764
E VTmag 0.063 Prox 458 TYC T HIP 102520
CCDM AB RAdeg 311.64061389 DEdeg 50.07496917 EpRA 1990 1.67
EpDE 1990 1.72 E RAdeg 43.3 E DEdeg 42.8 Posflg
Corr -0.1
Hipparcos
Catalog H HIP 102520 Proxy H RAhms 20 46 33.74
DEdms +50 04 29.8 Vmag 10.78 VarFlag R Vmag H
RAdeg 311.641 DEdeg 50.0749 AstroRef A Plx 1.17
CCDM 20466+5004 N CCDM H Nsys 1 Ncomp 2
MultFlag C Source Qual B M HIP AB
Theta 21 Rho 0.479 HD BD
CD CP Dm number VIred 0.32
SpType A0 R SpType Coord arcsec 2000 204633.74+500429.8
Hipparcos 2
HIP 102520 Sn 15 So 3 Nc 2
RArad 5.4391541388 DErad 0.8739726286 Plx 1.33 PmRA 0.43
PmDE -4.36 E RArad 1.74 E DErad 1.94 E Plx 2.21
E pmRA 2.2 E pmDE 2.24 Hpmag 10.9268 E Hpmag 0.0048
SHp 0.037 VA 0 BV 0.66 E BV 0.102
VI 0.72
CCDM
Ccdm 20466+5004 RComp Comp A Note1
Note2 Discov num DRAs -2.27 DDEs 29.8
R dRAs 82 Year Theta Rho
Obs 2 Vmag 11.1 Sp A0 PmNote *
PmRA 2 PmDE -5 Dm number Cat1
Name2 +49 1717 Cat2 AGK2/3 HD M HD
ADS BDS M ADS BDS N IDS IDS
HIC 102520
 
 
20466+5004 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 204633.75+500430.2 Mag 12.98 Calc delta mag 1.88
Calc coord yes
CCDM
Ccdm 20466+5004 RComp Comp B Note1
Note2 Discov num HDS DRAs -2.24 DDEs 30.2
R dRAs 82 Year 1991 Theta 21 Rho 0.5
Obs 1 Vmag 13.0 Sp PmNote *
PmRA 2 PmDE -5 Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS
HIC 102520