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Doubles in session


Current system
20574+6251
HDS 2988
HD 199954


Nearby doubles
15' : 20567+6237
HDS2983

16' : 20552+6247
NSN 738

36' : 20528+6307
KPP1724

45' : 21006+6329
BVD 337

49' : 20504+6259
STI 997

51' : 20533+6209
BUP 219AB

54' : 20496+6256
HJ 1588

55' : 21021+6207
LDS4863

61' : 20490+6313
ES 1855

62' : 20598+6152
BU 472

62' : 20580+6149
STI1005

63' : 20486+6232
HJ 3004

64' : 21061+6232
BVD 338

64' : 21019+6347
TDT2703

66' : 20535+6152
LDS1477

71' : 21076+6304
MLR 14

73' : 20510+6154
STI1000

75' : 20466+6238
HJ 1583

78' : 20568+6134
STF2740AB

79' : 20506+6356
STI 998

81' : 21076+6214
HU 766

84' : 21003+6130
HJ 1607AB

90' : 20576+6121
STF3133

92' : 20453+6332
ES 134

93' : 20521+6127
HU 762

94' : 20439+6311
TDT2504



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

20574+6251 HDS 2988 (HD 199954)

 
 
20h 57m 22.44s +62° 50' 56.0" P.A. 301.00 sep 0.1 mag 8.18,9.74 Sp A0 dist. 364.96 pc (1190.5 l.y.)
 
 
Coord 2000 20574+6251 Discov num HDS2988 Comp Coord arcsec 2000 20 57 22.44 +62 50 56.0
Date first 1991 Date last 1991 Obs 1
Pa first 301 Pa last 301 P.A. Now (θ) 301°
Sep first 0.1 Sep last 0.14 Sep. Now (ρ) 0.14"
Mag pri 8.18 Mag sec 9.74 delta mag (ΔM) 1.56 Spectral class A0 (white)
Pri motion ra +008 Sec motion ra
Pri motion dec +001 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 199954 Constellation Cepheus SAO 19123 HIP 103439
Tycho2 4251-01266-1 Gaia DR2 2196025819355853312 HD 199954 BD BD+62 1878
Distance 364.96 Distance ly 1190.5
 
 
WDS 20574+6251 HDS 2988 (HD 199954) : 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
20574+6251 HDS2988 1991 1 301 0.1 8.18 9.74 A0 205722.44+625056.0

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

 
 
WDS 20574+6251 HDS 2988 (HD 199954) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20574+6251 HDS 2988 (HD 199954) : MEASURES
 
 
No records found.

 
 
WDS 20574+6251 (HD 199954) : VIRTUAL EYEPIECE
 
 

20574+6251 HDS2988A mag 8.18 Sp A0 20574+6251 HDS2988B sep 0.1 P.A. 322.80 mag 9.74 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 20574+6251 (HD 199954) : ALADIN DSS IMAGE @ 20h 57m 22.44s +62° 50' 56.0"
 
 
 
 
WDS 20574+6251 HDS 2988 (HD 199954) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20574+6251 HDS2988 distance=0' 20567+6237 HDS2983 distance=15' 20552+6247 NSN 738 distance=16' 20528+6307 KPP1724 distance=36' 21006+6329 BVD 337 distance=45' 20504+6259 STI 997 distance=49' 20533+6209 BUP 219BC distance=51' 20533+6209 BUP 219AB distance=51' 20533+6209 CSN 13AD distance=51' 20496+6256 HJ 1588 distance=54' 21021+6207 LDS4863 distance=55' 20490+6313 ES 1855 distance=61' 20598+6152 BU 472 distance=62' 20580+6149 STI1005 distance=62' 20486+6232 HJ 3004 distance=63' 21061+6232 BVD 338 distance=64' 21019+6347 TDT2703 distance=64' 20535+6152 LDS1477 distance=66' 21055+6210 HU 765BC distance=71' 21055+6210 STF2764A,BC distance=71' 21076+6304 MLR 14 distance=71' 20510+6154 STI1000 distance=73' 20466+6238 HJ 1583 distance=75' 20568+6134 STF2740AB distance=78' 20506+6356 STI 998 distance=79' 21076+6214 HU 766 distance=81' 21003+6130 HJ 1607AB distance=84' 21003+6130 HJ 1607AC distance=84' 21003+6130 HJ 1607AD distance=84' 20576+6121 STF3133 distance=90' 20453+6332 ES 134 distance=92' 20521+6127 HU 762 distance=93' 20439+6311 TDT2504 distance=94' 21077+6149 MLR 506 distance=95' 21052+6127 MRI 21BC distance=100' 21052+6127 STI1013AB distance=100' 20433+6226 BU 471 distance=101' 20453+6150 BU 1493 distance=104' 21081+6127 STI1016 distance=113' 20445+6136 HDS2952 distance=118' 20405+6220 KPP4211 distance=121' 20397+6325 DOB 15 distance=125' 20414+6138 BVD 336 distance=133' 20464+6102 MLB 141 distance=135' 20520+6039 STI1001 distance=139' 21044+6501 SKF2806 distance=139' 21089+6446 STI1017 distance=139' 20380+6348 LDS2455 distance=143' 21137+6424 H 1 48 distance=144' 20389+6405 ES 1918 distance=145' 21114+6447 STI1018 distance=148' 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 20574+6251 HDS2988 301 0.1
Show 20567+6237 HDS2983 244 0.4 15
Show 20552+6247 NSN 738 207 3.8 16
Show 20528+6307 KPP1724 221 13.3 36
Show 21006+6329 BVD 337 77 8.4 45
Show 20504+6259 STI 997 71 15.1 49
Show 20533+6209 BUP 219 BC 289 61.6 51
Show 20533+6209 BUP 219 AB 307 102.9 51
Show 20533+6209 CSN 13 AD 89 10.6 51
Show 20496+6256 HJ 1588 33 17.3 54
Show 21021+6207 LDS4863 95 25.7 55
Show 20490+6313 ES 1855 18 5.2 61
Show 20598+6152 BU 472 14 0.8 62
Show 20580+6149 STI1005 140 10.2 62
Show 20486+6232 HJ 3004 195 3.8 63
Show 21061+6232 BVD 338 337 49.1 64
Show 21019+6347 TDT2703 249 0.5 64
Show 20535+6152 LDS1477 251 3.7 66
Show 21055+6210 HU 765 BC 28 0.8 71
Show 21055+6210 STF2764 A,BC 298 6.9 71
Show 21076+6304 MLR 14 336 1.5 71
Show 20510+6154 STI1000 164 15.8 73
Show 20466+6238 HJ 1583 69 9.6 75
Show 20568+6134 STF2740 AB 331 4.1 78
Show 20506+6356 STI 998 93 4.8 79
Show 21076+6214 HU 766 341 0.3 81
Show 21003+6130 HJ 1607 AB 73 15.7 84
Show 21003+6130 HJ 1607 AC 329 30.5 84
Show 21003+6130 HJ 1607 AD 343 87.6 84
Show 20576+6121 STF3133 101 3.3 90
Show 20453+6332 ES 134 84 11.1 92
Show 20521+6127 HU 762 178 1.6 93
Show 20439+6311 TDT2504 357 1.6 94
Show 21077+6149 MLR 506 144 1.1 95
Show 21052+6127 MRI 21 BC 105 2.8 100
Show 21052+6127 STI1013 AB 254 12.0 100
Show 20433+6226 BU 471 305 2.0 101
Show 20453+6150 BU 1493 103 42.4 104
Show 21081+6127 STI1016 101 11.9 113
Show 20445+6136 HDS2952 345 0.2 118
Show 20405+6220 KPP4211 113 1.9 121
Show 20397+6325 DOB 15 91 3.2 125
Show 20414+6138 BVD 336 344 23.3 133
Show 20464+6102 MLB 141 283 3.7 135
Show 20520+6039 STI1001 223 7.1 139
Show 21044+6501 SKF2806 284 46.7 139
Show 21089+6446 STI1017 32 12.0 139
Show 20380+6348 LDS2455 36 18.0 143
Show 21137+6424 H 1 48 245 0.8 144
Show 20389+6405 ES 1918 288 3.3 145
Show 21114+6447 STI1018 317 15.1 148

 
 
WDS 20574+6251 : COMPONENTS
 
 
  A
B pa=322.8°
sep=0.09"
 
 
20574+6251 A
 
 
Componente originario normalizzato AB Name HD 199954 Coord arcsec 2000 205722.44+625056.0 Mag 8.18
Spectral class A0 (white) PmRA 8.00 PmDE 1.0 SAO 19123
HIP 103439 Tycho2 4251-01266-1 HD 199954 BD BD+62 1878
Tycho2
Tycho2 4251-01266-1 Pflag RAmdeg 314.34355108 DEmdeg 62.84887298
PmRA 6.2 PmDE -3.3 E RAmdeg 5 E DEmdeg 5
E pmRA 2.1 E pmDE 2.0 EpRAm 1991.58 EpDEm 1991.54
Num 7 Q RAmdeg 0.8 Q DEmdeg 1.4 Q pmRA 0.9
Q pmDE 1.4 BTmag 8.098 E BTmag 0.015 VTmag 7.910
E VTmag 0.011 Prox 999 TYC T HIP 103439
CCDM AB RAdeg 314.34351972 DEdeg 62.84888111 EpRA 1990 1.71
EpDE 1990 1.70 E RAdeg 4.6 E DEdeg 4.9 Posflg P
Corr 0.0
SAO
SAO 19123 DelFlag RA1950 PmRA1950 0.0014
DE1950 PmDE1950 0.025 Vmag 8 SpType A0
Double code Source 2 CatNum 1193 DM BD+62 1878
DMcomp BDsup HD 199954 M HD 0
GC RA1950rad 5.48190298 DE1950rad 1.09353609 PmRA2000 0.0018
PmDE2000 0.021
Hipparcos
Catalog H HIP 103439 Proxy H RAhms 20 57 22.44
DEdms +62 50 56.0 Vmag 7.89 VarFlag R Vmag H
RAdeg 314.344 DEdeg 62.8489 AstroRef * Plx 2.62
CCDM 20574+6251 N CCDM H Nsys 1 Ncomp 2
MultFlag C Source S Qual A M HIP AB
Theta 301 Rho 0.14 HD 199954 BD BD+62 1878
CD CP Dm number +62 1878 VIred 0.2
SpType A0 R SpType Coord arcsec 2000 205722.44+625056.0
Hipparcos 2
HIP 103439 Sn 55 So 3 Nc 2
RArad 5.4863293192 DErad 1.0969199122 Plx 2.74 PmRA 7.64
PmDE 1.68 E RArad 0.52 E DErad 0.48 E Plx 0.54
E pmRA 0.53 E pmDE 0.56 Hpmag 7.949 E Hpmag 0.001
SHp 0.01 VA 0 BV 0.188 E BV 0.011
VI 0.21
CCDM
Ccdm 20574+6251 RComp Comp A Note1
Note2 Discov num DRAs -1.54 DDEs -4.0
R dRAs 82 Year Theta Rho
Obs 2 Vmag 8.2 Sp A0 PmNote *
PmRA 8 PmDE 1 Dm number +62 1878 Cat1 BD
Name2 +62 1193 Cat2 AGK2/3 HD 199954 M HD
ADS BDS M ADS BDS N IDS IDS
HIC 103439
 
 
20574+6251 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 205722.43+625056.1 Mag 9.74 Calc delta mag 1.56
Calc coord yes
CCDM
Ccdm 20574+6251 RComp Comp B Note1
Note2 Discov num HDS DRAs -1.57 DDEs -4.0
R dRAs 82 Year 1991 Theta 301 Rho 0.1
Obs 1 Vmag 9.7 Sp PmNote *
PmRA 8 PmDE 1 Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS
HIC 103439