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Doubles in session


Current system
20008+2949
BU 439 AB


Nearby doubles
2' : 20007+2951
TDT1912

7' : 20010+2956
L 32

9' : 20003+2955
BU 1258

13' : 20003+2938
KPP1451AB

22' : 19595+2937
TDT1904

28' : 20027+2939
COU1473

36' : 19589+2923
TDT1898

38' : 20036+2954
LDS6339AB

44' : 19594+3029
COU1471

44' : 19588+3025
TDS1030

47' : 19579+2922
TDT1883

47' : 19572+2949
LSC 158

55' : 19581+2907
TDS1026

56' : 20026+2859
ES 496

58' : 20050+2936
GRV 310

59' : 20042+2912
TDT1948

59' : 19584+2859
ES 495AB

63' : 20043+3033
STF2626

63' : 20013+3052
TDT1916

64' : 20053+3010
HJ 1474

64' : 19559+2950
BRT 45

66' : 20051+3021
ES 497

66' : 19566+2913
COU1470

67' : 20058+2946
A 1197

67' : 19584+2850
MLB 570

67' : 19597+3055
A 379



Selections
Full WDS
Binocular doubles
Binary Systems
Triple Systems
Quadruple Systems
Multiple Systems
Neglected List I
Neglected List II
Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

20008+2949 BU 439 AB

 
 
20h 00m 46.25s +29° 49' 19.4" P.A. 222.00 sep 3.3 mag 7.89,12.70 Sp G0V
 
 
Coord 2000 20008+2949 Discov num BU  439 Comp AB Coord arcsec 2000 20 00 46.25 +29 49 19.4
Date first 1876 Date last 2016 Obs 18
Pa first 250 Pa last 221.9 P.A. Now (θ) 221.9°
Sep first 2.7 Sep last 3.332 Sep. Now (ρ) 3.332"
Mag pri 7.89 Mag sec 12.70 delta mag (ΔM) 4.81 Spectral class G0V (yellow)
Pri motion ra +016 Sec motion ra
Pri motion dec -115 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
20008+2949 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 88066 20 00 46 +29 49 19 BU 439 AB 2016 18 222 3.3 7.89 12.70 4.81 <===
Show HD 189796 88066 20 00 46 +29 49 19 BU 439 AC 2015 8 201 38.5 7.89 12.25 4.36
Show 88066 20 00 46 +29 49 19 FOX 9033 AD 2015 3 51 11.5 7.89 12.00 4.11
Show 88066 20 00 46 +29 49 19 FOX 9033 AE 2002 3 122 23.2 7.89 14.40 6.51
Quintuple system
5 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus SAO 88066 Tycho2 2153-02502-1 Gaia DR2 2030169713022898048
HD 189796 ADS 13251
 
 
WDS 20008+2949 BU 439 AB : NOTES
 
 
No records found.

 
 
DISCOVERER
 
 
idgroup discov author
1 BU Burnham, S.W. (BU 1 - 81)
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20008+2949 BU 439 AB 1925 16 240 2.9 7.89 12.70 G0V D 200046.25+294919.4
20008+2949 BU 439 AB 2015 17 222 3.3 7.89 12.70 G0V 200046.25+294919.4
20008+2949 BU 439 AB 2016 18 222 3.3 7.89 12.70 G0V 200046.25+294919.4

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

 
 
WDS 20008+2949 BU 439 AB : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20008+2949 BU 439 AB : MEASURES
 
 
No records found.

 
 
WDS 20008+2949 : VIRTUAL EYEPIECE
 
 

20008+2949 BU 439A mag 7.89 Sp G0V 20008+2949 BU 439B sep 3.1 P.A. 217.90 mag 12.7 20008+2949 BU 439C sep 37.9 P.A. 198.00 mag 12.25 20008+2949 FOX9033D sep 10.7 P.A. 46.70 mag 12 20008+2949 FOX9033E sep 21.0 P.A. 126.00 mag 14.4 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 20008+2949 : ALADIN DSS IMAGE @ 20h 00m 46.25s +29° 49' 19.4"
 
 
 
 
WDS 20008+2949 BU 439 AB : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20008+2949 BU 439AB distance=1' 20008+2949 BU 439AC distance=1' 20008+2949 FOX9033AD distance=1' 20008+2949 FOX9033AE distance=1' 20007+2951 TDT1912 distance=2' 20010+2956 L 32 distance=7' 20003+2955 BU 1258 distance=9' 20003+2938 KPP1451AB distance=13' 19595+2937 TDT1904 distance=22' 20027+2939 COU1473 distance=28' 19589+2923 TDT1898 distance=36' 20036+2954 LDS6339AB distance=38' 20036+2954 HLA 24AC distance=38' 19594+3029 COU1471 distance=44' 19588+3025 TDS1030 distance=44' 19579+2922 TDT1883 distance=47' 19572+2949 LSC 158 distance=47' 19581+2907 TDS1026 distance=55' 20026+2859 ES 496 distance=56' 20050+2936 GRV 310 distance=58' 20042+2912 TDT1948 distance=59' 19584+2859 ES 495AB distance=59' 19584+2859 FYM 73BD distance=60' 19584+2859 ES 495BC distance=60' 20043+3033 STF2626 distance=63' 20013+3052 TDT1916 distance=63' 20053+3010 HJ 1474 distance=64' 19559+2950 BRT 45 distance=64' 20051+3021 ES 497 distance=66' 19566+2913 COU1470 distance=66' 20058+2946 A 1197 distance=67' 19584+2850 MLB 570 distance=67' 19597+3055 A 379 distance=67' 20001+2841 MLB 659 distance=69' 19556+2933 TDT1854 distance=70' 19558+3019 BRT 272AB distance=71' 19558+3019 FYM 311AC distance=71' 20057+3020 ES 498 distance=71' 19554+2935 TDT1851 distance=72' 19558+2918 TDT1857 distance=72' 19553+2939 TDT1848 distance=72' 19557+3020 BRT 271 distance=73' 19553+2929 TDT1849 distance=75' 19553+3011 J 781BC distance=75' 19553+3011 J 781AB distance=75' 19553+3011 J 781AC distance=75' 20025+2836 J 3045 distance=75' 19586+3059 YR 15 distance=75' 20045+3047 TDT1951 distance=76' 19551+3012 STT 390AB distance=77' 19551+3012 STT 390AC distance=77' 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 20008+2949 BU 439 AB 222 3.3 1
Show 20008+2949 BU 439 AC 201 38.5 1
Show 20008+2949 FOX9033 AD 51 11.5 1
Show 20008+2949 FOX9033 AE 122 23.2 1
Show 20007+2951 TDT1912 160 2.2 2
Show 20010+2956 L 32 129 3.3 7
Show 20003+2955 BU 1258 143 1.4 9
Show 20003+2938 KPP1451 AB 338 10.9 13
Show 19595+2937 TDT1904 268 0.5 22
Show 20027+2939 COU1473 346 0.6 28
Show 19589+2923 TDT1898 268 2.1 36
Show 20036+2954 LDS6339 AB 232 178.1 38
Show 20036+2954 HLA 24 AC 300 10.2 38
Show 19594+3029 COU1471 171 0.4 44
Show 19588+3025 TDS1030 133 1.5 44
Show 19579+2922 TDT1883 313 1.5 47
Show 19572+2949 LSC 158 73 0.4 47
Show 19581+2907 TDS1026 315 1.2 55
Show 20026+2859 ES 496 277 2.7 56
Show 20050+2936 GRV 310 1 45.4 58
Show 20042+2912 TDT1948 223 2.1 59
Show 19584+2859 ES 495 AB 245 41.5 59
Show 19584+2859 FYM 73 BD 122 17.9 60
Show 19584+2859 ES 495 BC 319 5.1 60
Show 20043+3033 STF2626 129 1.0 63
Show 20013+3052 TDT1916 133 0.7 63
Show 20053+3010 HJ 1474 349 12.6 64
Show 19559+2950 BRT 45 118 3.1 64
Show 20051+3021 ES 497 194 5.6 66
Show 19566+2913 COU1470 238 0.4 66
Show 20058+2946 A 1197 331 0.8 67
Show 19584+2850 MLB 570 14 3.3 67
Show 19597+3055 A 379 227 2.6 67
Show 20001+2841 MLB 659 93 1.8 69
Show 19556+2933 TDT1854 11 0.9 70
Show 19558+3019 BRT 272 AB 84 3.2 71
Show 19558+3019 FYM 311 AC 187 17.4 71
Show 20057+3020 ES 498 309 8.3 71
Show 19554+2935 TDT1851 134 2.0 72
Show 19558+2918 TDT1857 20 1.5 72
Show 19553+2939 TDT1848 359 0.5 72
Show 19557+3020 BRT 271 32 4.3 73
Show 19553+2929 TDT1849 239 1.5 75
Show 19553+3011 J 781 BC 89 7.6 75
Show 19553+3011 J 781 AB 126 2.9 75
Show 19553+3011 J 781 AC 99 10.2 75
Show 20025+2836 J 3045 263 5.2 75
Show 19586+3059 YR 15 8 0.2 75
Show 20045+3047 TDT1951 59 0.6 76
Show 19551+3012 STT 390 AB 22 9.6 77
Show 19551+3012 STT 390 AC 176 15.8 77

 
 
WDS 20008+2949 : COMPONENTS
 
 
  A B C D
B pa=217.9°
sep=3.14"
 
C pa=198.0°
sep=37.88"
pa=196.2°
sep=34.94"
 
D pa=46.7°
sep=10.65"
pa=44.7°
sep=13.77"
pa=24.2°
sep=47.50"
 
E pa=126.0°
sep=21.03"
pa=117.5°
sep=21.37"
pa=50.5°
sep=37.21"
pa=154.8°
sep=21.74"
 
 
20008+2949 A
 
 
Coord arcsec 2000 200046.25+294919.4 Mag 7.89 Spectral class G0V (yellow) PmRA 16.00
PmDE -115.0 SAO 88066 Tycho2 2153-02502-1 HD 189796
ADS 13251 DM BD+29 3845
Tycho2
Tycho2 2153-02502-1 Pflag RAmdeg 300.19271680 DEmdeg 29.82207430
PmRA 17.2 PmDE -116.9 E RAmdeg 5 E DEmdeg 5
E pmRA 1.3 E pmDE 1.2 EpRAm 1991.19 EpDEm 1991.43
Num 11 Q RAmdeg 1.8 Q DEmdeg 0.8 Q pmRA 1.8
Q pmDE 0.9 BTmag 8.572 E BTmag 0.016 VTmag 7.895
E VTmag 0.011 Prox 999 TYC T HIP
CCDM RAdeg 300.19267083 DEdeg 29.82234333 EpRA 1990 1.50
EpDE 1990 1.71 E RAdeg 5.3 E DEdeg 4.9 Posflg
Corr 0.1
SAO
SAO 88066 DelFlag RA1950 PmRA1950 0.0014
DE1950 PmDE1950 -0.118 Vmag 8.6 SpType G5
Double code Source 34 CatNum 10724 DM BD+29 3845
DMcomp BDsup HD 189796 M HD 0
GC RA1950rad 5.2305703 DE1950rad 0.51809587 PmRA2000 0.0016
PmDE2000 -0.12
CCDM
Ccdm 20008+2949 RComp Comp A Note1
Note2 Discov num DRAs -1.82 DDEs 20.0
R dRAs 10 Year Theta Rho
Obs 3 Vmag 8.1 Sp G5 PmNote *
PmRA 1 PmDE -106 Dm number +29 3845 Cat1 BD
Name2 +29 2206 Cat2 AGK2/3 HD 189796 M HD
ADS BDS A13251 M ADS BDS N IDS IDS 19568N2933A
HIC
 
 
20008+2949 B
 
 
Coord arcsec 2000 200046.10+294916.9 Mag 12.7 Calc delta mag 4.81 Calc coord yes
CCDM
Ccdm 20008+2949 RComp Comp B Note1
Note2 Discov num BU 439 DRAs DDEs
R dRAs Year 1924 Theta 239 Rho 3.2
Obs 11 Vmag 12.9 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A13251 M ADS BDS N IDS IDS 19568N2933B
HIC
 
 
20008+2949 C
 
 
Coord arcsec 2000 200045.35+294843.4 Mag 12.25 PmRA 3.00 PmDE -4.0
Calc delta mag 4.36 Calc coord yes
CCDM
Ccdm 20008+2949 RComp Comp C Note1
Note2 Discov num BU 439 DRAs DDEs
R dRAs Year 1913 Theta 195 Rho 49.5
Obs 1 Vmag 12.2 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A13251 M ADS BDS N IDS IDS 19568N2933C
HIC
 
 
20008+2949 D
 
 
Coord arcsec 2000 200046.85+294926.7 Mag 12 Calc delta mag 4.11 Calc coord yes
 
 
20008+2949 E
 
 
Coord arcsec 2000 200047.56+294907.0 Mag 14.4 PmRA -42.00 PmDE -34.0
Calc delta mag 6.51 Calc coord yes