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Current system
20493+5845
STTA 211
HD 198679


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SKF2091



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

20493+5845 STTA 211 (HD 198679)

 
 
20h 49m 19.01s +58° 44' 55.5" P.A. 268.00 sep 94.9 mag 6.85,7.88 Sp B9 dist. 204.5 pc (667.08 l.y.)
 
 
Coord 2000 20493+5845 Discov num STTA211 Comp Coord arcsec 2000 20 49 19.01 +58 44 55.5
Date first 1875 Date last 2018 Obs 37
Pa first 262 Pa last 268.2 P.A. Now (θ) 268.2°
Sep first 115.2 Sep last 94.9 Sep. Now (ρ) 94.9"
Mag pri 6.85 Mag sec 7.88 delta mag (ΔM) 1.03 Spectral class B9 (blue-white)
Pri motion ra -004 Sec motion ra +131
Pri motion dec -002 Sec motion dec +100
Notes N L U (See Notes, Linear solution, Proper motion indicates non-physical)
rPM=1.027
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 198679 Constellation Cepheus SAO 32922 HIP 102775
Tycho2 3963-01007-1 Gaia DR2 2193435541760790144 HD 198679 GC 29063
BD BD+58 2178 Distance 204.5 Distance ly 667.08
 
 
WDS 20493+5845 STTA 211 (HD 198679) : NOTES
 
 
discov_num notes refcode
STTA211 B is BD+58@2176.
Optical pair, based on study of relative motion of the components
using the method of apparent motion parameters. Kiy2008
 
 
REFERENCES
 
 
refcode metd author reference
Kiy2008 - Kiyaeva, O.V., Kiselev, A.A. & Izmailov, I.S. 2008SvAL...32..405K
Kiy2008 SvAL 34, 405, 2008
 
 
DISCOVERER
 
 
idgroup discov author
1 STT Struve, O.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20493+5845 STTA211 2005 31 268 95.8 6.85 7.88 B9 NLD 204919.01+584455.5
20493+5845 STTA211 2010 33 267 95.1 6.85 7.88 B9 NL U 204919.01+584455.5
20493+5845 STTA211 2017 35 268 95.0 6.85 7.88 B9 NL U 204919.01+584455.5
20493+5845 STTA211 2018 37 268 94.9 6.85 7.88 B9 NL U 204919.01+584455.5

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

 
 
WDS 20493+5845 STTA 211 (HD 198679) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20493+5845 STTA 211 (HD 198679) : MEASURES
 
 
No records found.

 
 
WDS 20493+5845 (HD 198679) : VIRTUAL EYEPIECE
 
 

20493+5845 STTA211A mag 6.85 Sp B9 20493+5845 STTA211B sep 49.3 P.A. 266.50 mag 7.88 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 20493+5845 (HD 198679) : ALADIN DSS IMAGE @ 20h 49m 19.01s +58° 44' 55.5"
 
 
 
 
WDS 20493+5845 STTA 211 (HD 198679) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20493+5845 STTA211 distance=0' 20470+5825 HDS2961 distance=27' 20483+5815 MLR 360 distance=31' 20509+5918 MLR 240 distance=35' 20454+5906 ES 2700 distance=37' 20444+5902 KR 51 distance=42' 20537+5918 A 751 distance=48' 20503+5937 MLR 239 distance=54' 20500+5751 CVR 232 distance=55' 20559+5906 A 754 distance=56' 20577+5849 YSC 117Da,Db distance=62' 20577+5849 A 756AB distance=66' 20577+5849 A 756AC distance=66' 20577+5849 ARN 34AD distance=66' 20406+5858 HJ 1569 distance=69' 20562+5742 HJ 1595 distance=70' 20466+5951 MLR 236 distance=70' 20398+5844 MLB 85 distance=74' 20538+5739 OSW 76 distance=75' 20454+5735 CIA 1Aa,Ab distance=77' 20454+5735 ENG 76AB distance=77' 20495+5728 MLB 86 distance=77' 20563+5943 LDS2794 distance=80' 20389+5820 TDT2449 distance=86' 20400+5933 RAO 440 distance=87' 20416+5730 LDS1476AB distance=98' 20416+5730 OSO 130AC distance=98' 20590+5948 TDT2672 distance=98' 21010+5923 MLR 242 distance=98' 20423+5723 BU 152 distance=100' 21009+5929 MLR 241 distance=100' 20520+6022 SKF2091 distance=100' 21009+5931 ES 2703 distance=101' 20413+6006 KPP2292 distance=102' 20540+5711 ES 135AB distance=102' 20540+5711 ES 135AC distance=102' 20525+6026 DAM1044 distance=104' 21024+5920 STI1011 distance=107' 20475+6031 TDT2541 distance=107' 21012+5953 TDT2696 distance=114' 20356+5808 A 741AB distance=115' 20356+5808 A 741AC distance=115' 20520+6039 STI1001 distance=116' 21035+5922 MRI 37 distance=116' 21035+5925 MLR 243 distance=117' 21045+5904 MLB1090 distance=119' 21047+5831 HDS3002 distance=121' 20599+5714 ES 136 distance=124' 20553+5651 A 752 distance=124' 20412+5659 HJ 1570AB distance=124' 20412+5659 VBS 32AC distance=124' 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 20493+5845 STTA211 268 94.9
Show 20470+5825 HDS2961 39 0.1 27
Show 20483+5815 MLR 360 295 0.2 31
Show 20509+5918 MLR 240 22 0.2 35
Show 20454+5906 ES 2700 297 15.5 37
Show 20444+5902 KR 51 181 1.4 42
Show 20537+5918 A 751 52 0.2 48
Show 20503+5937 MLR 239 286 0.9 54
Show 20500+5751 CVR 232 319 112.1 55
Show 20559+5906 A 754 6 1.0 56
Show 20577+5849 YSC 117 Da,Db 341 0.1 62
Show 20577+5849 A 756 AB 210 0.6 66
Show 20577+5849 A 756 AC 197 54.0 66
Show 20577+5849 ARN 34 AD 265 215.4 66
Show 20406+5858 HJ 1569 306 3.9 69
Show 20562+5742 HJ 1595 313 11.6 70
Show 20466+5951 MLR 236 41 1.6 70
Show 20398+5844 MLB 85 134 6.2 74
Show 20538+5739 OSW 76 326 145.5 75
Show 20454+5735 CIA 1 Aa,Ab 105 0.1 77
Show 20454+5735 ENG 76 AB 146 48.4 77
Show 20495+5728 MLB 86 149 4.6 77
Show 20563+5943 LDS2794 120 85.6 80
Show 20389+5820 TDT2449 91 0.7 86
Show 20400+5933 RAO 440 123 3.1 87
Show 20416+5730 LDS1476 AB 267 11.6 98
Show 20416+5730 OSO 130 AC 233 23.6 98
Show 20590+5948 TDT2672 258 3.0 98
Show 21010+5923 MLR 242 287 3.9 98
Show 20423+5723 BU 152 82 1.2 100
Show 21009+5929 MLR 241 174 0.9 100
Show 20520+6022 SKF2091 292 45.4 100
Show 21009+5931 ES 2703 230 10.2 101
Show 20413+6006 KPP2292 68 19.3 102
Show 20540+5711 ES 135 AB 199 7.1 102
Show 20540+5711 ES 135 AC 115 71.7 102
Show 20525+6026 DAM1044 45 6.8 104
Show 21024+5920 STI1011 34 15.2 107
Show 20475+6031 TDT2541 286 0.6 107
Show 21012+5953 TDT2696 246 0.5 114
Show 20356+5808 A 741 AB 157 1.3 115
Show 20356+5808 A 741 AC 211 19.8 115
Show 20520+6039 STI1001 223 7.1 116
Show 21035+5922 MRI 37 175 6.0 116
Show 21035+5925 MLR 243 224 0.2 117
Show 21045+5904 MLB1090 34 9.5 119
Show 21047+5831 HDS3002 327 0.2 121
Show 20599+5714 ES 136 159 4.2 124
Show 20553+5651 A 752 8 1.2 124
Show 20412+5659 HJ 1570 AB 79 14.0 124
Show 20412+5659 VBS 32 AC 345 15.4 124

 
 
WDS 20493+5845 : COMPONENTS
 
 
  A
B pa=266.5°
sep=49.30"
 
 
20493+5845 A
 
 
Componente originario normalizzato AB Name HD 198679 Coord arcsec 2000 204919.01+584455.5 Mag 6.85
Spectral class B9 (blue-white) PmRA -4.00 PmDE -2.0 SAO 32922
HIP 102775 Tycho2 3963-01007-1 HD 198679 GC 29063
BD BD+58 2178
Tycho2
Tycho2 3963-01007-1 Pflag RAmdeg 312.32918888 DEmdeg 58.74874062
PmRA -4.0 PmDE -2.1 E RAmdeg 4 E DEmdeg 4
E pmRA 1.0 E pmDE 1.1 EpRAm 1991.41 EpDEm 1991.45
Num 11 Q RAmdeg 0.5 Q DEmdeg 0.8 Q pmRA 0.6
Q pmDE 0.7 BTmag 6.805 E BTmag 0.015 VTmag 6.854
E VTmag 0.010 Prox 980 TYC T HIP 102775
CCDM RAdeg 312.32920722 DEdeg 58.74874556 EpRA 1990 1.68
EpDE 1990 1.69 E RAdeg 3.8 E DEdeg 3.7 Posflg
Corr 0.0
SAO
SAO 32922 DelFlag RA1950 PmRA1950 -0.0006
DE1950 PmDE1950 0.002 Vmag 6.7 SpType B9
Double code Source 70 CatNum 29063 DM BD+58 2178
DMcomp BDsup HD 198679 M HD 0
GC 29063 RA1950rad 5.44590387 DE1950rad 1.02209699 PmRA2000 -0.0002
PmDE2000 -0.001
Hipparcos
Catalog H HIP 102775 Proxy RAhms 20 49 19.01
DEdms +58 44 55.5 Vmag 6.88 VarFlag R Vmag H
RAdeg 312.329 DEdeg 58.7487 AstroRef Plx 5.02
CCDM 20493+5845 N CCDM I Nsys 2 Ncomp 1
MultFlag Source Qual M HIP
Theta Rho HD 198679 BD BD+58 2178
CD CP Dm number +58 2178 VIred -0.03
SpType B9 R SpType Coord arcsec 2000 204919.01+584455.5
Hipparcos 2
HIP 102775 Sn 5 So 0 Nc 1
RArad 5.451173038 DErad 1.0253590269 Plx 4.89 PmRA -3.61
PmDE -1.98 E RArad 0.23 E DErad 0.22 E Plx 0.25
E pmRA 0.25 E pmDE 0.26 Hpmag 6.8705 E Hpmag 0.001
SHp 0.008 VA 0 BV -0.046 E BV 0.007
VI -0.02
CCDM
Ccdm 20493+5845 RComp Comp A Note1
Note2 Discov num DRAs 0.86 DDEs -4.8
R dRAs 10 Year Theta Rho
Obs 2 Vmag 6.7 Sp B9 PmNote *
PmRA -28 PmDE -5 Dm number +58 2178 Cat1 BD
Name2 +58 1288 Cat2 AGK2/3 HD 198679 M HD
ADS BDS B10577 M ADS BDS N IDS IDS 20469N5822A
HIC 102775
 
 
20493+5845 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 204912.69+584452.5 Mag 7.88 PmRA 131.00
PmDE 100.0 Calc delta mag 1.03 Calc coord yes
CCDM
Ccdm 20493+5845 RComp Comp B Note1
Note2 Discov num STT4211 DRAs -11.46 DDEs -9.9
R dRAs 10 Year 1923 Theta 264 Rho 107.7
Obs 7 Vmag 7.9 Sp K0 PmNote *
PmRA 122 PmDE 106 Dm number +58 2176 Cat1 BD
Name2 +58 1287 Cat2 AGK2/3 HD 198654 M HD
ADS BDS B10577 M ADS BDS N IDS IDS 20469N5822B
HIC 102741