20219+7347 HDS 2909

 
 
20h 21m 53.30s +73° 47' 07.3" P.A. 238.00 sep 0.7 mag 10.50,10.77 Sp K0 dist. 367.65 pc (1199.27 l.y.)
 
 
Coord 2000 20219+7347 Discov num HDS2909 Comp Coord arcsec 2000 20 21 53.30 +73 47 07.3
Date first 1991 Date last 2010 Obs 3
Pa first 238 Pa last 238.4 P.A. Now (θ) 238.4°
Sep first 0.7 Sep last 0.688 Sep. Now (ρ) 0.688"
Mag pri 10.50 Mag sec 10.77 delta mag (ΔM) 0.27 Spectral class K0 (yellow-orange)
Pri motion ra +006 Sec motion ra +006
Pri motion dec +004 Sec motion dec +004
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Draco HIP 100426 Tycho2 4458-00870-1 Gaia DR2 2276341879585566080
BD BD+73 906 Distance 367.65 Distance ly 1199.27
 
 
WDS 20219+7347 HDS 2909 : 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
20219+7347 HDS2909 1991 2 227 0.6 10.50 10.77 K0 202153.30+734707.3
20219+7347 HDS2909 2010 3 238 0.7 10.50 10.77 K0 202153.30+734707.3

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WDS 20219+7347 HDS 2909 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20219+7347 HDS 2909 : MEASURES
 
 
No records found.

 
 
WDS 20219+7347 : VIRTUAL EYEPIECE
 
 

20219+7347 HDS2909A mag 10.5 Sp K0 20219+7347 HDS2909B sep 0.4 P.A. 204.40 mag 10.77 virtual eyepiece
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Radius:
Components only
 
 
WDS 20219+7347 : ALADIN DSS IMAGE @ 20h 21m 53.30s +73° 47' 07.3"
 
 
 
 
WDS 20219+7347 HDS 2909 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only


20219+7347  HDS2909 distance=0' 20217+7345  A   870 distance=3' 20282+7333  MLR 233 distance=30' 20186+7314  LDS1931 distance=36' 20157+7307  UC 4128 distance=48' 20139+7434  YSC 162 distance=57' 20274+7245  A   871 distance=67' 20408+7319  LDS1939 distance=85' 20048+7300  A   867 distance=88' 20038+7302  CRB 207 distance=90' 20339+7229  LDS1933 distance=94' 20272+7522  TDT2285 distance=98' 20374+7536  HEI   7 distance=125' 20065+7157  TDT1983 distance=130' 20201+7605  A   869 distance=139' 20094+7602  TDT2030 distance=144' 20192+7124  MLB 419 distance=144' 20107+7132  MLB 416 distance=145' 20118+7614  MLR 232 distance=153' 20109+7616  LDS1929 distance=156' 20354+7619  OSW  17 distance=161' 20380+7119  MLB 420 distance=164' 20304+7634  TDT2327 distance=170' 20248+7641  TDT2248 distance=175' 20156+7051  MLB 418 distance=179' 20066+7639  SKF2804 distance=182' 20159+7649  LOC 432 distance=183' 20066+7643  TDT1986 distance=186' 20095+7651  SKF2805 distance=188' 20086+7047  LDS1927 distance=192' 20353+7030  A   873 distance=207' 20100+7711  PLT   8 distance=209' 20089+7715  LDS1928AB distance=214' 20284+7015  MLB 362 distance=214' 20160+7013  MLB 360 distance=217' 20077+7718  OL  122 distance=218' 20118+7730  LOC 433 distance=226' 20335+7002  TDT2370 distance=232' 20089+7743  STF2675AB distance=241' 20089+7743  STF2675AC distance=241' 20171+6943  LDS1930 distance=248' 20323+7753  LOC 450 distance=249' 20026+6952  SKF1243 distance=252' 20062+7756  LOC 435 distance=256' 20243+6927  LDS2452 distance=260' 20291+7819  KPP1433 distance=274' 20049+6926  HDS2863AB distance=274' 20156+7826  LOC 436 distance=280' 20020+6922  MLB 293 distance=281' 20277+7828  KPP4200 distance=282' 20195+7836  WFC 232 distance=289' grafico limitrofi
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Show name coord_2000 discov# comp pa sep dist(')
Show 20219+7347 HDS2909 238 0.7
Show 20217+7345 A 870 196 0.1 3
Show 20282+7333 MLR 233 88 1.2 30
Show 20186+7314 LDS1931 85 21.4 36
Show 20157+7307 UC 4128 228 26.2 48
Show 20139+7434 YSC 162 114 0.3 57
Show 20274+7245 A 871 184 0.3 67
Show 20408+7319 LDS1939 227 18.9 85
Show 20048+7300 A 867 151 1.0 88
Show 20038+7302 CRB 207 315 18.5 90
Show 20339+7229 LDS1933 175 7.0 94
Show 20272+7522 TDT2285 154 0.6 98
Show 20374+7536 HEI 7 231 0.7 125
Show 20065+7157 TDT1983 112 0.5 130
Show 20201+7605 A 869 269 2.1 139
Show 20094+7602 TDT2030 178 0.5 144
Show 20192+7124 MLB 419 314 2.0 144
Show 20107+7132 MLB 416 161 6.7 145
Show 20118+7614 MLR 232 166 2.6 153
Show 20109+7616 LDS1929 14 15.4 156
Show 20354+7619 OSW 17 198 65.6 161
Show 20380+7119 MLB 420 276 3.6 164
Show 20304+7634 TDT2327 320 0.6 170
Show 20248+7641 TDT2248 243 0.4 175
Show 20156+7051 MLB 418 14 2.4 179
Show 20066+7639 SKF2804 345 19.0 182
Show 20159+7649 LOC 432 343 4.1 183
Show 20066+7643 TDT1986 138 0.7 186
Show 20095+7651 SKF2805 347 158.7 188
Show 20086+7047 LDS1927 220 3.9 192
Show 20353+7030 A 873 68 0.3 207
Show 20100+7711 PLT 8 78 24.2 209
Show 20089+7715 LDS1928 AB 166 5.4 214
Show 20284+7015 MLB 362 26 5.4 214
Show 20160+7013 MLB 360 202 2.5 217
Show 20077+7718 OL 122 203 2.5 218
Show 20118+7730 LOC 433 132 1.7 226
Show 20335+7002 TDT2370 148 0.7 232
Show 20089+7743 STF2675 AB 120 7.3 241
Show 20089+7743 STF2675 AC 334 170.2 241
Show 20171+6943 LDS1930 292 51.8 248
Show 20323+7753 LOC 450 293 3.2 249
Show 20026+6952 SKF1243 187 46.0 252
Show 20062+7756 LOC 435 260 1.0 256
Show 20243+6927 LDS2452 157 6.9 260
Show 20291+7819 KPP1433 234 10.8 274
Show 20049+6926 HDS2863 AB 3 0.9 274
Show 20156+7826 LOC 436 217 9.5 280
Show 20020+6922 MLB 293 91 4.8 281
Show 20277+7828 KPP4200 166 1.7 282
Show 20195+7836 WFC 232 143 3.8 289

 
 
WDS 20219+7347 : COMPONENTS
 
 
  A
B pa=204.4°
sep=0.40"
 
 
20219+7347 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 202153.30+734707.3 Mag 10.5 Spectral class K0 (yellow-orange)
PmRA 6.00 PmDE 4.0 HIP 100426 Tycho2 4458-00870-1
BD BD+73 906
Tycho2
Tycho2 4458-00870-1 Pflag RAmdeg 305.47190074 DEmdeg 73.78532852
PmRA 6.3 PmDE 3.7 E RAmdeg 20 E DEmdeg 24
E pmRA 1.5 E pmDE 1.6 EpRAm 1988.35 EpDEm 1987.99
Num 8 Q RAmdeg 1.5 Q DEmdeg 1.4 Q pmRA 1.5
Q pmDE 1.4 BTmag 11.911 E BTmag 0.091 VTmag 10.002
E VTmag 0.030 Prox 999 TYC T HIP 100426
CCDM AB RAdeg 305.47187167 DEdeg 73.78532583 EpRA 1990 1.78
EpDE 1990 1.75 E RAdeg 24.1 E DEdeg 27.4 Posflg P
Corr 0.0
Hipparcos
Catalog H HIP 100426 Proxy H RAhms 20 21 53.27
DEdms +73 47 07.2 Vmag 9.67 VarFlag R Vmag H
RAdeg 305.472 DEdeg 73.7853 AstroRef A Plx 1.9
CCDM 20219+7347 N CCDM H Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 238 Rho 0.675 HD BD BD+73 906
CD CP Dm number +73 906 VIred 1.02
SpType K0 R SpType Coord arcsec 2000 202153.27+734707.2
Hipparcos 2
HIP 100426 Sn 15 So 3 Nc 2
RArad 5.3314914177 DErad 1.2877970511 Plx 2.72 PmRA 2.96
PmDE 2.81 E RArad 1.22 E DErad 0.96 E Plx 1.13
E pmRA 1.27 E pmDE 1.14 Hpmag 9.8355 E Hpmag 0.002
SHp 0.021 VA 0 BV 1.046 E BV 0.197
VI 1.02
CCDM
Ccdm 20219+7347 RComp Comp A Note1
Note2 Discov num DRAs -0.73 DDEs 7.3
R dRAs 82 Year Theta Rho
Obs 2 Vmag 10.2 Sp K0 PmNote *
PmRA 2 PmDE 2 Dm number +73 906 Cat1 BD
Name2 +73 540 Cat2 AGK2/3 HD M HD
ADS BDS M ADS BDS N IDS IDS
HIC 100426
 
 
20219+7347 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 202153.26+734706.9 Mag 10.77 PmRA 6.00
PmDE 4.0 Calc delta mag 0.27 Calc coord yes
CCDM
Ccdm 20219+7347 RComp Comp B Note1
Note2 Discov num HDS DRAs -0.86 DDEs 6.9
R dRAs 82 Year 1991 Theta 238 Rho 0.7
Obs 1 Vmag 11.2 Sp PmNote *
PmRA 2 PmDE 2 Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS
HIC 100426