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Current system
21503-4547
HDS 3108
HD 207451


Nearby doubles
31' : 21505-4618
TOI2312

51' : 21460-4525
KPP2359

54' : 21479-4500
I 1446

56' : 21510-4452
RST5480

71' : 21533-4650
FIN 374

77' : 21573-4525
HJ 5308

80' : 21466-4656
BRT1124

81' : 21544-4656
TDT3228

90' : 21418-4545
HDS3089

91' : 21454-4432
BRT1123

91' : 21512-4708
BRT1125

92' : 21428-4503
TDT3118

94' : 21483-4718
BSO 15

98' : 21594-4611
WIS 358

103' : 21408-4611
HU 1540

107' : 21544-4410
CBL 185

111' : 21487-4737
DAM 638

113' : 21480-4736
LDS 755

115' : 21435-4419
DON1016

117' : 21396-4619
HDS3082

118' : 21403-4642
KPP 924

119' : 21589-4706
YMG 94

131' : 21595-4717
RST1113

132' : 21494-4759
SKF1175

135' : 22028-4517
I 1451

135' : 21403-4424
DON1013



Selections
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Binary Systems
Triple Systems
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Multiple Systems
Neglected List I
Neglected List II
Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

21503-4547 HDS 3108 (HD 207451)

 
 
21h 50m 20.31s -45° 47' 10.5" P.A. 276.00 sep 8.7 mag 9.51,12.49 Sp F7V dist. 222.22 pc (724.88 l.y.)
 
 
Coord 2000 21503-4547 Discov num HDS3108 Comp Coord arcsec 2000 21 50 20.31 -45 47 10.5
Date first 1903 Date last 2015 Obs 8
Pa first 281 Pa last 276.4 P.A. Now (θ) 276.4°
Sep first 8.8 Sep last 8.676 Sep. Now (ρ) 8.676"
Mag pri 9.51 Mag sec 12.49 delta mag (ΔM) 2.98 Spectral class F7V (yellow-white)
Pri motion ra +037 Sec motion ra -027
Pri motion dec +011 Sec motion dec +014
Notes
rPM=1.66
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 207451 Constellation Grus SAO 230862 HIP 107802
Tycho2 8437-01195-1 Gaia DR2 6564462619760500480 HD 207451 CD CD-4614087
CP CP-4610300 Distance 222.22 Distance ly 724.88
 
 
WDS 21503-4547 HDS 3108 (HD 207451) : 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
21503-4547 HDS3108 1999 5 276 8.6 9.51 12.49 F7V D 215020.31-454710.5
21503-4547 HDS3108 2010 7 276 8.6 9.51 12.49 F7V 215020.31-454710.5
21503-4547 HDS3108 2015 8 276 8.7 9.51 12.49 F7V 215020.31-454710.5

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

 
 
WDS 21503-4547 HDS 3108 (HD 207451) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 21503-4547 HDS 3108 (HD 207451) : MEASURES
 
 
No records found.

 
 
WDS 21503-4547 (HD 207451) : VIRTUAL EYEPIECE
 
 

21503-4547 HDS3108A mag 9.51 Sp F7V 21503-4547 HDS3108B sep 6.1 P.A. 279.10 mag 12.49 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 21503-4547 (HD 207451) : ALADIN DSS IMAGE @ 21h 50m 20.31s -45° 47' 10.5"
 
 
 
 
WDS 21503-4547 HDS 3108 (HD 207451) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

21503-4547 HDS3108 distance=0' 21505-4618 TOI2312 distance=31' 21460-4525 KPP2359 distance=51' 21479-4500 I 1446 distance=54' 21510-4452 RST5480 distance=56' 21533-4650 FIN 374 distance=71' 21573-4525 HJ 5308 distance=77' 21466-4656 BRT1124 distance=80' 21544-4656 TDT3228 distance=81' 21418-4545 HDS3089 distance=90' 21454-4432 BRT1123 distance=91' 21512-4708 BRT1125 distance=91' 21428-4503 TDT3118 distance=92' 21483-4718 BSO 15 distance=94' 21594-4611 WIS 358 distance=98' 21408-4611 HU 1540 distance=103' 21544-4410 CBL 185 distance=107' 21487-4737 DAM 638 distance=111' 21480-4736 LDS 755 distance=113' 21435-4419 DON1016 distance=115' 21396-4619 HDS3082 distance=117' 21403-4642 KPP 924 distance=118' 21589-4706 YMG 94 distance=119' 21595-4717 RST1113 distance=131' 21494-4759 SKF1175 distance=132' 22028-4517 I 1451 distance=135' 21403-4424 DON1013 distance=135' 21445-4751 UC 4544 distance=138' 21519-4325 SKF 381 distance=144' 22014-4416 SKF1178 distance=149' 21569-4802 RST3292 distance=151' 21395-4733 TDT3085 distance=155' 22045-4641 TDT3325 distance=157' 21360-4641 HDS3074 distance=159' 22055-4534 KPP3090 distance=160' 21536-4823 BRT1127 distance=160' 21433-4327 HDS3095Ba,Bb distance=160' 21433-4327 HDS3095AB distance=160' 21392-4739 KPP2143 distance=161' 21533-4826 BRT1126 distance=162' 21579-4327 LDS 766 distance=162' 21348-4559 FIN 15 distance=164' 21366-4714 TDT3058 distance=167' 21415-4808 HDS3088 distance=167' 21547-4831 LDS6366 distance=171' 22069-4616 UC 4653 distance=175' 21429-4826 RST5556 distance=177' 21409-4319 SKF1100 distance=179' 22067-4458 TSN 201 distance=179' 21536-4844 WIS 355 distance=180' 21345-4439 HU 1539 distance=181' 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 21503-4547 HDS3108 276 8.7
Show 21505-4618 TOI2312 135 0.1 31
Show 21460-4525 KPP2359 96 20.3 51
Show 21479-4500 I 1446 130 0.4 54
Show 21510-4452 RST5480 6 0.8 56
Show 21533-4650 FIN 374 308 0.1 71
Show 21573-4525 HJ 5308 314 18.7 77
Show 21466-4656 BRT1124 138 4.3 80
Show 21544-4656 TDT3228 237 0.5 81
Show 21418-4545 HDS3089 233 0.3 90
Show 21454-4432 BRT1123 30 5.1 91
Show 21512-4708 BRT1125 222 5.7 91
Show 21428-4503 TDT3118 291 0.5 92
Show 21483-4718 BSO 15 350 79.0 94
Show 21594-4611 WIS 358 176 56.3 98
Show 21408-4611 HU 1540 309 3.2 103
Show 21544-4410 CBL 185 74 18.0 107
Show 21487-4737 DAM 638 17 13.7 111
Show 21480-4736 LDS 755 237 135.5 113
Show 21435-4419 DON1016 132 0.4 115
Show 21396-4619 HDS3082 216 0.2 117
Show 21403-4642 KPP 924 105 7.6 118
Show 21589-4706 YMG 94 19 0.2 119
Show 21595-4717 RST1113 73 0.5 131
Show 21494-4759 SKF1175 307 5.6 132
Show 22028-4517 I 1451 126 0.8 135
Show 21403-4424 DON1013 261 1.8 135
Show 21445-4751 UC 4544 302 6.7 138
Show 21519-4325 SKF 381 32 5.6 144
Show 22014-4416 SKF1178 216 50.5 149
Show 21569-4802 RST3292 60 2.8 151
Show 21395-4733 TDT3085 51 0.4 155
Show 22045-4641 TDT3325 286 0.6 157
Show 21360-4641 HDS3074 340 11.4 159
Show 22055-4534 KPP3090 277 1.4 160
Show 21536-4823 BRT1127 290 3.6 160
Show 21433-4327 HDS3095 Ba,Bb 281 0.1 160
Show 21433-4327 HDS3095 AB 210 0.4 160
Show 21392-4739 KPP2143 36 17.5 161
Show 21533-4826 BRT1126 242 4.9 162
Show 21579-4327 LDS 766 333 8.9 162
Show 21348-4559 FIN 15 275 6.2 164
Show 21366-4714 TDT3058 216 0.5 167
Show 21415-4808 HDS3088 111 12.7 167
Show 21547-4831 LDS6366 265 3.8 171
Show 22069-4616 UC 4653 257 11.1 175
Show 21429-4826 RST5556 290 0.5 177
Show 21409-4319 SKF1100 114 5.7 179
Show 22067-4458 TSN 201 145 0.3 179
Show 21536-4844 WIS 355 293 591.4 180
Show 21345-4439 HU 1539 82 1.3 181

 
 
WDS 21503-4547 : COMPONENTS
 
 
  A
B pa=279.1°
sep=6.09"
 
 
21503-4547 A
 
 
Componente originario normalizzato AB Name HD 207451 Coord arcsec 2000 215020.31-454710.5 Mag 9.51
Spectral class F7V (yellow-white) PmRA 37.00 PmDE 11.0 SAO 230862
HIP 107802 Tycho2 8437-01195-1 HD 207451 CD CD-4614087
CP CP-4610300
Tycho2
Tycho2 8437-01195-1 Pflag RAmdeg 327.58462737 DEmdeg -45.78623635
PmRA 28.0 PmDE 10.5 E RAmdeg 11 E DEmdeg 11
E pmRA 1.2 E pmDE 1.2 EpRAm 1989.56 EpDEm 1989.42
Num 7 Q RAmdeg 1.3 Q DEmdeg 0.8 Q pmRA 1.2
Q pmDE 0.7 BTmag 10.107 E BTmag 0.022 VTmag 9.513
E VTmag 0.017 Prox 87 TYC T HIP 107802
CCDM A RAdeg 327.58453639 DEdeg -45.78626111 EpRA 1990 1.74
EpDE 1990 1.61 E RAdeg 10.6 E DEdeg 11.1 Posflg
Corr -0.3
SAO
SAO 230862 DelFlag RA1950 PmRA1950 0.0035
DE1950 PmDE1950 0.015 Vmag 9.5 SpType F8
Double code Source 48 CatNum 19595 DM CP-4610300
DMcomp BDsup HD 207451 M HD 0
GC RA1950rad 5.70352375 DE1950rad -0.80320935 PmRA2000 0.0035
PmDE2000 0.011
Hipparcos
Catalog H HIP 107802 Proxy H RAhms 21 50 20.29
DEdms -45 47 10.5 Vmag 9.44 VarFlag R Vmag H
RAdeg 327.585 DEdeg -45.7863 AstroRef A Plx 4.09
CCDM 21503-4547 N CCDM M Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 276 Rho 8.665 HD 207451 BD
CD CD-4614087 CP CP-4610300 Dm number -4614087 VIred 0.64
SpType F7V R SpType Coord arcsec 2000 215020.29-454710.5
Hipparcos 2
HIP 107802 Sn 15 So 3 Nc 2
RArad 5.7174286057 DErad -0.7991209846 Plx 4.5 PmRA 29.46
PmDE 8.73 E RArad 1.05 E DErad 0.87 E Plx 1.58
E pmRA 1.09 E pmDE 0.83 Hpmag 9.5578 E Hpmag 0.0019
SHp 0.022 VA 0 BV 0.535 E BV 0.1
VI 0.64
CCDM
Ccdm 21503-4547 RComp Comp A Note1
Note2 Discov num DRAs 2.26 DDEs -10.8
R dRAs 40 Year Theta Rho
Obs 2 Vmag 9.1 Sp F7 PmNote
PmRA 26 PmDE 14 Dm number -4614087 Cat1 CD
Name2 230862 Cat2 SAO HD 207451 M HD
ADS BDS M ADS BDS N IDS * IDS 21439S4615A
HIC 107802
 
 
21503-4547 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 215019.74-454709.5 Mag 12.49 PmRA -27.00
PmDE 14.0 Calc delta mag 2.98 Calc coord yes
CCDM
Ccdm 21503-4547 RComp Comp B Note1
Note2 Discov num RSU DRAs 1.32 DDEs -9.4
R dRAs 40 Year 1974 Theta 281 Rho 9.4
Obs Vmag 13.0 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS * IDS 21439S4615B
HIC 107802