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Current system
19484+7421
HDS 2816
HD 188458


Nearby doubles
13' : 19493+7409
MLR 227

26' : 19482+7356
LDS1917

38' : 19443+7453
LDS1914

40' : 19579+7415
A 1195

47' : 19540+7501
LDS1922

54' : 19352+7423
MLR 222AB

65' : 19510+7524
STF2617

65' : 19526+7318
LDS1921

67' : 19348+7501
STF2575

72' : 19493+7309
TDT1776

78' : 19443+7538
LDS1915

85' : 19329+7520
HDS2776

87' : 19323+7323
LDS1910

90' : 19310+7328
GRO 1

91' : 19357+7308
A 864

97' : 19398+7553
LDS1913

101' : 19293+7319
KPP3341

103' : 20038+7302
CRB 207

107' : 19430+7606
LOC 418

107' : 20048+7300
A 867

107' : 19515+7607
LDS1920

122' : 19432+7222
HDS2800

127' : 19399+7623
MLR 225

128' : 19393+7220
A 1191

130' : 19391+7625
MLR 224

130' : 19510+7631
LDS1919



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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.

19484+7421 HDS 2816 (HD 188458)

 
 
19h 48m 21.52s +74° 20' 58.1" P.A. 85.00 sep 0.2 mag 9.09,10.60 Sp F0 dist. 179.86 pc (586.7 l.y.)
 
 
Coord 2000 19484+7421 Discov num HDS2816 Comp Coord arcsec 2000 19 48 21.52 +74 20 58.1
Date first 1991 Date last 2010 Obs 2
Pa first 85 Pa last 85 P.A. Now (θ) 85°
Sep first 0.2 Sep last 0.233 Sep. Now (ρ) 0.233"
Mag pri 9.09 Mag sec 10.60 delta mag (ΔM) 1.51 Spectral class F0 (yellow-white)
Pri motion ra +005 Sec motion ra
Pri motion dec +013 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 188458 Constellation Draco SAO 9547 HIP 97445
Tycho2 4457-00584-1 Gaia DR2 2288322879837353600 HD 188458 BD BD+73 882
Distance 179.86 Distance ly 586.7
 
 
WDS 19484+7421 HDS 2816 (HD 188458) : 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
19484+7421 HDS2816 1991 1 85 0.2 9.09 10.60 F0 194821.52+742058.1
19484+7421 HDS2816 2010 2 85 0.2 9.09 10.60 F0 D 194821.52+742058.1

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

 
 
WDS 19484+7421 HDS 2816 (HD 188458) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 19484+7421 HDS 2816 (HD 188458) : MEASURES
 
 
No records found.

 
 
WDS 19484+7421 (HD 188458) : VIRTUAL EYEPIECE
 
 

19484+7421 HDS2816A mag 9.09 Sp F0 19484+7421 HDS2816B sep 0.1 P.A. 72.00 mag 10.6 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 19484+7421 (HD 188458) : ALADIN DSS IMAGE @ 19h 48m 21.52s +74° 20' 58.1"
 
 
 
 
WDS 19484+7421 HDS 2816 (HD 188458) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

19484+7421 HDS2816 distance=0' 19493+7409 MLR 227 distance=13' 19482+7356 LDS1917 distance=26' 19443+7453 LDS1914 distance=38' 19579+7415 A 1195 distance=40' 19540+7501 LDS1922 distance=47' 19352+7423 MLR 222AB distance=54' 19352+7423 MLR 222AC distance=54' 19352+7423 MLR 222AD distance=54' 19510+7524 STF2617 distance=65' 19526+7318 LDS1921 distance=65' 19348+7501 STF2575 distance=67' 19493+7309 TDT1776 distance=72' 19443+7538 LDS1915 distance=78' 19329+7520 HDS2776 distance=85' 19323+7323 LDS1910 distance=87' 19310+7328 GRO 1 distance=90' 19357+7308 A 864 distance=91' 19398+7553 LDS1913 distance=97' 19293+7319 KPP3341 distance=101' 20038+7302 CRB 207 distance=103' 19430+7606 LOC 418 distance=107' 20048+7300 A 867 distance=107' 19515+7607 LDS1920 distance=107' 19432+7222 HDS2800 distance=122' 19399+7623 MLR 225 distance=127' 19393+7220 A 1191 distance=128' 19391+7625 MLR 224 distance=130' 19510+7631 LDS1919 distance=130' 19591+7630 HU 956AB distance=136' 19591+7630 HU 956AC distance=136' 19412+7208 FOX 245 distance=137' 19392+7634 STF2592 distance=138' 19335+7631 UC 3975 distance=142' 19299+7215 LDS1909 distance=148' 20066+7639 SKF2804 distance=155' 20066+7643 TDT1986 distance=158' 19432+7143 TDT1671 distance=160' 20065+7157 TDT1983 distance=165' 19486+7714 TDT1773 distance=174' 19371+7134 SKF1240 distance=174' 19490+7715 MLR 228 distance=175' 20006+7709 LOC 434 distance=175' 19344+7136 KU 2 distance=176' 19311+7141 HDS2773 distance=177' 20016+7131 TDT1918 distance=180' 19370+7725 MLR 223 distance=189' 20077+7718 OL 122 distance=192' 19439+7732 LOC 420 distance=192' 19463+7104 TDT1724 distance=198' 19367+7740 SLW1224 distance=204' 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 19484+7421 HDS2816 85 0.2
Show 19493+7409 MLR 227 77 0.2 13
Show 19482+7356 LDS1917 232 9.1 26
Show 19443+7453 LDS1914 49 6.3 38
Show 19579+7415 A 1195 294 4.0 40
Show 19540+7501 LDS1922 226 16.0 47
Show 19352+7423 MLR 222 AB 197 7.5 54
Show 19352+7423 MLR 222 AC 215 22.6 54
Show 19352+7423 MLR 222 AD 217 42.1 54
Show 19510+7524 STF2617 39 27.9 65
Show 19526+7318 LDS1921 272 3.0 65
Show 19348+7501 STF2575 33 7.6 67
Show 19493+7309 TDT1776 130 0.8 72
Show 19443+7538 LDS1915 125 9.9 78
Show 19329+7520 HDS2776 92 0.4 85
Show 19323+7323 LDS1910 214 16.8 87
Show 19310+7328 GRO 1 235 3.2 90
Show 19357+7308 A 864 11 0.8 91
Show 19398+7553 LDS1913 327 3.1 97
Show 19293+7319 KPP3341 319 13.3 101
Show 20038+7302 CRB 207 315 18.5 103
Show 19430+7606 LOC 418 239 11.5 107
Show 20048+7300 A 867 151 1.0 107
Show 19515+7607 LDS1920 88 11.4 107
Show 19432+7222 HDS2800 141 0.5 122
Show 19399+7623 MLR 225 246 0.3 127
Show 19393+7220 A 1191 252 3.1 128
Show 19391+7625 MLR 224 288 0.2 130
Show 19510+7631 LDS1919 54 15.4 130
Show 19591+7630 HU 956 AB 88 0.9 136
Show 19591+7630 HU 956 AC 132 138.9 136
Show 19412+7208 FOX 245 68 5.5 137
Show 19392+7634 STF2592 297 0.8 138
Show 19335+7631 UC 3975 95 14.9 142
Show 19299+7215 LDS1909 58 32.9 148
Show 20066+7639 SKF2804 345 19.0 155
Show 20066+7643 TDT1986 138 0.7 158
Show 19432+7143 TDT1671 121 0.4 160
Show 20065+7157 TDT1983 112 0.5 165
Show 19486+7714 TDT1773 153 0.7 174
Show 19371+7134 SKF1240 34 8.5 174
Show 19490+7715 MLR 228 266 0.3 175
Show 20006+7709 LOC 434 176 2.1 175
Show 19344+7136 KU 2 232 0.6 176
Show 19311+7141 HDS2773 149 0.2 177
Show 20016+7131 TDT1918 191 0.7 180
Show 19370+7725 MLR 223 233 0.6 189
Show 20077+7718 OL 122 203 2.5 192
Show 19439+7732 LOC 420 7 7.9 192
Show 19463+7104 TDT1724 252 1.3 198
Show 19367+7740 SLW1224 51 97.5 204

 
 
WDS 19484+7421 : COMPONENTS
 
 
  A
B pa=72.0°
sep=0.07"
 
 
19484+7421 A
 
 
Componente originario normalizzato AB Name HD 188458 Coord arcsec 2000 194821.52+742058.1 Mag 9.09
Spectral class F0 (yellow-white) PmRA 5.00 PmDE 13.0 SAO 9547
HIP 97445 Tycho2 4457-00584-1 HD 188458 BD BD+73 882
Tycho2
Tycho2 4457-00584-1 Pflag RAmdeg 297.08973497 DEmdeg 74.34950821
PmRA 8.9 PmDE 11.4 E RAmdeg 8 E DEmdeg 8
E pmRA 0.9 E pmDE 1.0 EpRAm 1990.28 EpDEm 1990.56
Num 13 Q RAmdeg 1.2 Q DEmdeg 0.9 Q pmRA 1.4
Q pmDE 1.0 BTmag 9.174 E BTmag 0.018 VTmag 8.787
E VTmag 0.014 Prox 556 TYC T HIP 97445
CCDM AB RAdeg 297.08965833 DEdeg 74.34948111 EpRA 1990 1.73
EpDE 1990 1.65 E RAdeg 7.8 E DEdeg 8.3 Posflg P
Corr 0.0
SAO
SAO 9547 DelFlag RA1950 PmRA1950 0.0003
DE1950 PmDE1950 0.03 Vmag 8.8 SpType F0
Double code Source 1 CatNum 593 DM BD+73 882
DMcomp BDsup HD 188458 M HD 0
GC RA1950rad 5.18936153 DE1950rad 1.29542135 PmRA2000 0.0011
PmDE2000 0.027
Hipparcos
Catalog H HIP 97445 Proxy H RAhms 19 48 21.52
DEdms +74 20 58.1 Vmag 8.79 VarFlag R Vmag G
RAdeg 297.09 DEdeg 74.3495 AstroRef * Plx 5.16
CCDM 19484+7421 N CCDM H Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 85 Rho 0.237 HD 188458 BD BD+73 882
CD CP Dm number +73 882 VIred 0.46
SpType F0 R SpType Coord arcsec 2000 194821.52+742058.1
Hipparcos 2
HIP 97445 Sn 55 So 3 Nc 2
RArad 5.1851926363 DErad 1.2976432463 Plx 5.56 PmRA 4.63
PmDE 12.13 E RArad 0.6 E DErad 0.58 E Plx 0.65
E pmRA 0.65 E pmDE 0.67 Hpmag 8.8481 E Hpmag 0.0022
SHp 0.019 VA 0 BV 0.396 E BV 0.015
VI 0.46
CCDM
Ccdm 19484+7421 RComp Comp A Note1
Note2 Discov num DRAs -2.49 DDEs -1.8
R dRAs 82 Year Theta Rho
Obs 2 Vmag 9.1 Sp F0 PmNote *
PmRA 5 PmDE 13 Dm number +73 882 Cat1 BD
Name2 +74 593 Cat2 AGK2/3 HD 188458 M HD
ADS BDS M ADS BDS N IDS IDS
HIC 97445
 
 
19484+7421 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 194821.54+742058.1 Mag 10.6 Calc delta mag 1.51
Calc coord yes
CCDM
Ccdm 19484+7421 RComp Comp B Note1
Note2 Discov num HDS DRAs -2.42 DDEs -1.7
R dRAs 82 Year 1991 Theta 85 Rho 0.2
Obs 1 Vmag 10.6 Sp PmNote *
PmRA 5 PmDE 13 Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS
HIC 97445