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Doubles in session


Current system
20567+5656
A 755
HD 199739


Nearby doubles
13' : 20553+5651
A 752

27' : 20540+5711
ES 135AB

32' : 20599+5714
ES 136

34' : 21005+5709
STI2557

38' : 20567+5618
ROE 89

44' : 21019+5704
BU 1139

48' : 21021+5640
STF2751

50' : 20538+5739
OSW 76

55' : 20562+5742
HJ 1595

67' : 20495+5728
MLB 86

78' : 20500+5751
CVR 232

79' : 20585+5539
A 1686

84' : 21062+5628
TDT2747

87' : 21045+5558
KPP4223

93' : 20472+5607
KR 52

99' : 20475+5553
HJ 1580

100' : 20454+5735
ENG 76AB

101' : 21090+5654
RAO 447

102' : 21067+5556
TDT2753

105' : 20483+5815
MLR 360

111' : 21031+5519
ES 1001

111' : 21101+5715
STI2561

111' : 21085+5603
PET 1

113' : 20443+5610
A 1684

115' : 20577+5849
A 756AB

115' : 21106+5710
ES 1760



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Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

20567+5656 A 755 (HD 199739)

 
 
20h 56m 40.80s +56° 55' 36.0" P.A. 189.00 sep 0.1 mag 8.70,8.80 Sp B8 dist. 917.43 pc (2992.66 l.y.)
 
 
Coord 2000 20567+5656 Discov num A   755 Comp Coord arcsec 2000 20 56 40.80 +56 55 36.0
Date first 1904 Date last 2008 Obs 14
Pa first 179 Pa last 188.6 P.A. Now (θ) 188.6°
Sep first 0.2 Sep last 0.138 Sep. Now (ρ) 0.138"
Mag pri 8.70 Mag sec 8.80 delta mag (ΔM) 0.1 Spectral class B8 (blue-white)
Pri motion ra +004 Sec motion ra
Pri motion dec -007 Sec motion dec
Notes N (See Notes)
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 199739 Constellation Cepheus SAO 33010 HIP 103380
Tycho2 3960-01249-1 Gaia DR2 2190026265435013376 HD 199739 BD BD+56 2516
Distance 917.43 Distance ly 2992.66
 
 
WDS 20567+5656 A 755 (HD 199739) : NOTES
 
 
discov_num notes refcode
A 755 Possible quadrant change.
 
 
DISCOVERER
 
 
discov author
A Aitken, R.G.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr dm_number notes coord_arcsec_2000
20567+5656 A 755 1996 13 185 0.1 8.70 8.80 B8 +56 2516 N 205640.80+565536.0
20567+5656 A 755 2008 14 189 0.1 8.70 8.80 B8 +56 2516 N 205640.80+565536.0

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

 
 
WDS 20567+5656 A 755 (HD 199739) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20567+5656 A 755 (HD 199739) : MEASURES
 
 
No records found.

 
 
WDS 20567+5656 (HD 199739) : VIRTUAL EYEPIECE
 
 

20567+5656 A 755A mag 8.7 Sp B8 20567+5656 A 755B sep 0.1 P.A. 188.60 mag 8.8 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 20567+5656 (HD 199739) : ALADIN DSS IMAGE @ 20h 56m 40.80s +56° 55' 36.0"
 
 
 
 
WDS 20567+5656 A 755 (HD 199739) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20567+5656 A 755 distance=1' 20553+5651 A 752 distance=13' 20540+5711 ES 135AB distance=27' 20540+5711 ES 135AC distance=27' 20599+5714 ES 136 distance=32' 21005+5709 STI2557 distance=34' 20567+5618 ROE 89 distance=38' 21019+5704 BU 1139 distance=44' 21021+5640 STF2751 distance=48' 20538+5739 OSW 76 distance=50' 20562+5742 HJ 1595 distance=55' 20495+5728 MLB 86 distance=67' 20500+5751 CVR 232 distance=78' 20585+5539 A 1686 distance=79' 21062+5628 TDT2747 distance=84' 21045+5558 KPP4223 distance=87' 20472+5607 KR 52 distance=93' 20475+5553 HJ 1580 distance=99' 20454+5735 CIA 1Aa,Ab distance=100' 20454+5735 ENG 76AB distance=100' 21090+5654 RAO 447 distance=101' 21067+5556 TDT2753 distance=102' 20483+5815 MLR 360 distance=105' 21031+5519 ES 1001 distance=111' 21101+5715 STI2561 distance=111' 21085+5603 PET 1 distance=111' 20443+5610 A 1684 distance=113' 20577+5849 YSC 117Da,Db distance=114' 20577+5849 A 756AB distance=115' 20577+5849 A 756AC distance=115' 20577+5849 ARN 34AD distance=115' 21106+5710 ES 1760 distance=115' 21047+5831 HDS3002 distance=116' 20470+5825 HDS2961 distance=119' 20423+5723 BU 152 distance=121' 20493+5845 STTA211 distance=125' 21112+5620 DOO 16 distance=125' 21119+5713 TDT2813 distance=126' 20424+5611 VKI 47 distance=127' 21114+5737 MLR 590 distance=127' 20412+5659 HJ 1570AB distance=127' 20412+5659 VBS 32AC distance=127' 20416+5730 LDS1476AB distance=128' 20416+5730 OSO 130AC distance=128' 20422+5606 OSW 74 distance=130' 20559+5906 A 754 distance=131' 20506+5452 DJU 5CD distance=134' 20506+5452 HJ 1587AB distance=134' 20506+5452 DJU 5AC distance=134' 20400+5647 OSW 78 distance=138' 20404+5615 OSW 73 distance=141' 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 20567+5656 A 755 189 0.1 1
Show 20553+5651 A 752 8 1.2 13
Show 20540+5711 ES 135 AB 199 7.1 27
Show 20540+5711 ES 135 AC 115 71.7 27
Show 20599+5714 ES 136 159 4.2 32
Show 21005+5709 STI2557 131 8.1 34
Show 20567+5618 ROE 89 241 5.5 38
Show 21019+5704 BU 1139 136 2.1 44
Show 21021+5640 STF2751 356 1.6 48
Show 20538+5739 OSW 76 326 145.5 50
Show 20562+5742 HJ 1595 313 11.6 55
Show 20495+5728 MLB 86 149 4.6 67
Show 20500+5751 CVR 232 319 112.1 78
Show 20585+5539 A 1686 282 1.9 79
Show 21062+5628 TDT2747 26 0.4 84
Show 21045+5558 KPP4223 236 1.9 87
Show 20472+5607 KR 52 64 4.6 93
Show 20475+5553 HJ 1580 245 10.9 99
Show 20454+5735 CIA 1 Aa,Ab 105 0.1 100
Show 20454+5735 ENG 76 AB 146 48.4 100
Show 21090+5654 RAO 447 234 3.5 101
Show 21067+5556 TDT2753 31 0.7 102
Show 20483+5815 MLR 360 299 0.2 105
Show 21031+5519 ES 1001 32 3.6 111
Show 21101+5715 STI2561 183 14.2 111
Show 21085+5603 PET 1 343 0.2 111
Show 20443+5610 A 1684 141 2.1 113
Show 20577+5849 YSC 117 Da,Db 341 0.1 114
Show 20577+5849 A 756 AB 210 0.6 115
Show 20577+5849 A 756 AC 197 23.9 115
Show 20577+5849 ARN 34 AD 265 215.4 115
Show 21106+5710 ES 1760 29 2.1 115
Show 21047+5831 HDS3002 327 0.2 116
Show 20470+5825 HDS2961 39 0.1 119
Show 20423+5723 BU 152 81 1.2 121
Show 20493+5845 STTA211 268 94.9 125
Show 21112+5620 DOO 16 29 1.1 125
Show 21119+5713 TDT2813 359 0.5 126
Show 20424+5611 VKI 47 340 2.3 127
Show 21114+5737 MLR 590 7 0.2 127
Show 20412+5659 HJ 1570 AB 79 14.0 127
Show 20412+5659 VBS 32 AC 345 15.4 127
Show 20416+5730 LDS1476 AB 267 11.6 128
Show 20416+5730 OSO 130 AC 233 23.6 128
Show 20422+5606 OSW 74 88 127.2 130
Show 20559+5906 A 754 6 1.0 131
Show 20506+5452 DJU 5 CD 173 4.0 134
Show 20506+5452 HJ 1587 AB 259 10.4 134
Show 20506+5452 DJU 5 AC 66 77.9 134
Show 20400+5647 OSW 78 233 186.1 138
Show 20404+5615 OSW 73 250 188.6 141

 
 
WDS 20567+5656 : COMPONENTS
 
 
  A
B pa=188.6°
sep=0.14"
 
 
20567+5656 A
 
 
Name HD 199739 Coord arcsec 2000 205640.80+565536.0 Mag 8.7 Spectral class B8 (blue-white)
PmRA 4.00 PmDE -7.0 SAO 33010 HIP 103380
BD BD+56 2516
SAO
SAO 33010 DelFlag RA1950 PmRA1950 -0.0012
DE1950 PmDE1950 0.004 Vmag 8 SpType B8
Double code Source 38 CatNum 11760 DM BD+56 2516
DMcomp BDsup HD 199739 M HD 0
GC RA1950rad 5.47746357 DE1950rad 0.99018411 PmRA2000 -0.0008
PmDE2000 0.001
Hipparcos
Catalog H HIP 103380 Proxy RAhms 20 56 40.80
DEdms +56 55 36.0 Vmag 7.96 VarFlag R Vmag G
RAdeg 314.17 DEdeg 56.9267 AstroRef Plx 2.25
CCDM -4.28 N CCDM I Nsys 1 Ncomp 1
MultFlag Source Qual S M HIP
Theta Rho HD BD BD+56 2516
CD CP Dm number +56 2516 VIred 0.54
SpType B8 R SpType Coord arcsec 2000 205640.80+565536.0
Hipparcos 2
HIP 103380 Sn 5 So 0 Nc 1
RArad 5.4833009897 DErad 0.9935578887 Plx 1.09 PmRA -4.3
PmDE -4.24 E RArad 0.41 E DErad 0.48 E Plx 0.51
E pmRA 0.48 E pmDE 0.54 Hpmag E Hpmag 0.0013
SHp 0.014 VA 0 BV 0.424 E BV 0.013
VI 0.49
CCDM
Ccdm 20567+5656 RComp Comp A Note1
Note2 Discov num DRAs -1.23 DDEs -24.0
R dRAs 10 Year Theta Rho
Obs 2 Vmag 9.2 Sp B8 PmNote *
PmRA -8 PmDE -4 Dm number +56 2516 Cat1 BD
Name2 +56 1433 Cat2 AGK2/3 HD 199739 M HD
ADS BDS A14473 M ADS BDS N IDS IDS 20540N5632A
HIC 103380
 
 
20567+5656 B
 
 
Coord arcsec 2000 205640.80+565535.9 Mag 8.8 Tycho2 3960-01249-1 HD 199739
Delta magnitude 0.1 Coordinate calculated yes
Tycho2
Tycho2 3960-01249-1 Pflag RAmdeg 314.16998979 DEmdeg 56.92666657
PmRA -2.9 PmDE -2.8 E RAmdeg 6 E DEmdeg 6
E pmRA 1.5 E pmDE 1.6 EpRAm 1991.28 EpDEm 1991.39
Num 10 Q RAmdeg 0.5 Q DEmdeg 0.7 Q pmRA 0.5
Q pmDE 0.7 BTmag 8.462 E BTmag 0.016 VTmag 8.011
E VTmag 0.012 Prox 999 TYC T HIP 103380
CCDM RAdeg 314.17000194 DEdeg 56.92667333 EpRA 1990 1.67
EpDE 1990 1.72 E RAdeg 5.8 E DEdeg 5.6 Posflg
Corr 0.1
CCDM
Ccdm 20567+5656 RComp Comp B Note1
Note2 Discov num A 755 DRAs DDEs
R dRAs Year 1960 Theta 172 Rho 0.1
Obs 8 Vmag 9.3 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A14473 M ADS BDS N N IDS IDS 20540N5632B
HIC 103380