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Doubles in session


Current system
20120+3436
HO 120 AC


Nearby doubles
7' : 20117+3431
CRB 133

7' : 20120+3429
A 282AB

11' : 20128+3439
TDT2091

13' : 20129+3432
TDT2093

14' : 20129+3429
AG 250

17' : 20123+3451
AG 249AB

17' : 20116+3420
TDT2069

19' : 20120+3454
SEI 987

20' : 20130+3450
SEI1012

21' : 20124+3455
ABT9004

23' : 20117+3458
SEI 977

23' : 20130+3416
LDS1035

23' : 20127+3456
TDT2090

24' : 20106+3452
A 281AB

25' : 20139+3439
SEI1027

28' : 20131+3411
STTA203

31' : 20133+3502
ARY 23AB

31' : 20095+3431
TOB 172

33' : 20103+3412
TDT2045

35' : 20119+3510
SEI 988

38' : 20096+3459
SEI 929

39' : 20144+3501
COU2216

40' : 20089+3450
SEI 918

41' : 20103+3511
SEI 941

43' : 20099+3509
BKO 99

43' : 20086+3446
TDT2016



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

20120+3436 HO 120 AC

 
 
20h 11m 58.71s +34° 35' 39.5" P.A. 200.00 sep 24.2 mag 9.12,11.10 Sp G8IV
 
 
Coord 2000 20120+3436 Discov num HO  120 Comp AC Coord arcsec 2000 20 11 58.71 +34 35 39.5
Date first 1892 Date last 2015 Obs 10
Pa first 201 Pa last 199.7 P.A. Now (θ) 199.7°
Sep first 27.8 Sep last 24.225 Sep. Now (ρ) 24.225"
Mag pri 9.12 Mag sec 11.10 delta mag (ΔM) 1.98 Spectral class G8IV (yellow)
Pri motion ra -010 Sec motion ra +001
Pri motion dec -022 Sec motion dec -002
Notes
rPM=0.945
This double is not physical.
 
 
20120+3436 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 228229 69586 20 11 59 +34 35 40 HO 120 AB 2016 12 111 1.2 9.12 10.65 1.53
Show 69586 20 11 59 +34 35 40 HO 120 AC 2015 10 200 24.2 9.12 11.10 1.98 <===
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus SAO 69586 Tycho2 2679-01340-1 Gaia DR2 2055737962559089536
HD 228229
 
 
WDS 20120+3436 HO 120 AC : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Ho_1883 Ma j Hough, G.W. 1883MNRAS..43..371H
Ho_1883 MNRAS 43, 371, 1883 (data also in Ho_1890) 1890AN....125....1H
Ho_1884 Ma j Hough, G.W. 1884MNRAS..44..365H
Ho_1884 MNRAS 44, 365, 1884 (data also in Ho_1890) 1890AN....125....1H
Ho_1885 Ma j Hough, G.W. 1885MNRAS..45..417H
Ho_1885 MNRAS 45, 417, 1885 (data also in Ho_1890) 1890AN....125....1H
Ho_1886 Ma j Hough, G.W. 1886MNRAS..46..393H
Ho_1886 MNRAS 46, 393, 1886 (data also in Ho_1890) 1890AN....125....1H
Ho_1887 Ma j Hough, G.W. 1887AN....116..273H
Ho_1887 AN 116, 273, 1887
Ho_1890 Ma j Hough, G.W. 1890AN....125....1H
Ho_1890 AN 125, 1, 1890
Ho_1890b Ma j Hough, G.W. 1890AJ......9..177H
Ho_1890b AJ 9, 177, 1890 (some data also in Ho_1890 or Ho_1894b) 1890AN....125....1H
Ho_1894a Ma - Hough, G.W. 1894MNRAS..54..251H
Ho_1894a MNRAS 54, 251, 1894
Ho_1894b Ma j Hough, G.W. (HO 304 - 490) 1894AN....135..281H
Ho_1894b AN 135, 281, 1894
Ho_1894c Ma - Hough, G.W. (measure by Dembowski, H.) 1894AN....135..281H
Ho_1894c AN 135, 281, 1894
Ho_1899a Ma j Hough, G.W. 1899AN....149..65H
Ho_1899a AN 149, 65, 1899
Ho_1899b Ma - Hough, G.W. (measure by Burnham, S.W.) 1899AN....149..65H
Ho_1899b AN 149, 65, 1899
Ho_1907 Ma - Hough, G.W. 1907PFAO....3c...1D
Ho_1907 Pub. Univ. Penn. 3, Pt. 3, 1907 (measures sent to Doolittle)
Ho_1932A Ma - Hough, G.W. 1932QB821.A43......
Ho_1932A cited in ADS, 1932 (unpublished measures sent to Aitken in manuscript by Fox)
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20120+3436 HO 120 AC 2002 7 201 24.2 9.12 11.10 G8IV D 201158.71+343539.5
20120+3436 HO 120 AC 2003 9 200 24.7 9.12 11.10 G8IV 201158.71+343539.5
20120+3436 HO 120 AC 2015 10 200 24.2 9.12 11.10 G8IV 201158.71+343539.5

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

 
 
WDS 20120+3436 HO 120 AC : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20120+3436 HO 120 AC : MEASURES
 
 
No records found.

 
 
WDS 20120+3436 : VIRTUAL EYEPIECE
 
 

20120+3436 HO 120A mag 9.12 Sp G8IV 20120+3436 HO 120B sep 1.1 P.A. 114.40 mag 10.65 20120+3436 HO 120C sep 23.8 P.A. 196.40 mag 11.1 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 20120+3436 : ALADIN DSS IMAGE @ 20h 11m 58.71s +34° 35' 39.5"
 
 
 
 
WDS 20120+3436 HO 120 AC : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20120+3436 HO 120AC distance=0' 20117+3431 CRB 133 distance=7' 20120+3429 A 282AB distance=7' 20120+3429 HO 121AB,C distance=7' 20120+3429 HO 121AB,D distance=7' 20128+3439 TDT2091 distance=11' 20129+3432 TDT2093 distance=13' 20129+3429 AG 250 distance=14' 20123+3451 AG 249AB distance=17' 20123+3451 AG 249AC distance=17' 20123+3451 AG 249CD distance=17' 20116+3420 TDT2069 distance=17' 20120+3454 SEI 987 distance=19' 20130+3450 SEI1012 distance=20' 20124+3455 ABT9004 distance=21' 20117+3458 SEI 977 distance=23' 20130+3416 LDS1035 distance=23' 20127+3456 TDT2090 distance=23' 20106+3452 A 281AB distance=24' 20106+3452 ARN 96AC distance=24' 20139+3439 SEI1027 distance=25' 20131+3411 STTA203 distance=28' 20133+3502 ARY 23AB distance=31' 20095+3431 TOB 172 distance=31' 20133+3502 SKF2392BD distance=32' 20133+3502 ARY 23BC distance=32' 20103+3412 TDT2045 distance=33' 20119+3510 SEI 988 distance=35' 20096+3459 SEI 929 distance=38' 20144+3501 COU2216 distance=39' 20089+3450 SEI 918 distance=40' 20103+3511 SEI 941 distance=41' 20099+3509 BKO 99 distance=43' 20086+3446 TDT2016 distance=43' 20096+3506 TOB 173 distance=43' 20097+3510 SEI 937 distance=44' 20104+3356 COU1629 distance=45' 20150+3500 ES 205 distance=45' 20155+3415 GCB 51 distance=45' 20153+3412 DAM 205 distance=48' 20158+3447 SEI1047 distance=50' 20158+3417 DAM 206 distance=51' 20096+3519 COU2128 distance=52' 20113+3527 SEI 966 distance=52' 20090+3516 SEI 919 distance=54' 20135+3526 COU2214AB distance=54' 20135+3526 COU2214AC distance=54' 20142+3522 ES 204 distance=54' 20158+3409 TDT2127 distance=55' 20107+3529 RAO 427 distance=56' 20092+3520 ALI 184 distance=56' 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 20120+3436 HO 120 AB 111 1.2
Show 20120+3436 HO 120 AC 200 24.2
Show 20117+3431 CRB 133 113 10.7 7
Show 20120+3429 A 282 AB 207 0.3 7
Show 20120+3429 HO 121 AB,C 12 24.5 7
Show 20120+3429 HO 121 AB,D 11 42.0 7
Show 20128+3439 TDT2091 24 1.0 11
Show 20129+3432 TDT2093 20 0.4 13
Show 20129+3429 AG 250 53 8.9 14
Show 20123+3451 AG 249 AB 133 32.9 17
Show 20123+3451 AG 249 AC 30 13.0 17
Show 20123+3451 AG 249 CD 352 6.3 17
Show 20116+3420 TDT2069 317 0.5 17
Show 20120+3454 SEI 987 336 23.2 19
Show 20130+3450 SEI1012 49 14.6 20
Show 20124+3455 ABT9004 5 27.9 21
Show 20117+3458 SEI 977 39 15.2 23
Show 20130+3416 LDS1035 193 17.3 23
Show 20127+3456 TDT2090 256 0.5 23
Show 20106+3452 A 281 AB 172 4.2 24
Show 20106+3452 ARN 96 AC 314 63.6 24
Show 20139+3439 SEI1027 10 28.7 25
Show 20131+3411 STTA203 37 88.4 28
Show 20133+3502 ARY 23 AB 28 81.6 31
Show 20095+3431 TOB 172 108 8.5 31
Show 20133+3502 SKF2392 BD 346 14.0 32
Show 20133+3502 ARY 23 BC 339 65.0 32
Show 20103+3412 TDT2045 131 0.8 33
Show 20119+3510 SEI 988 3 3.8 35
Show 20096+3459 SEI 929 31 20.9 38
Show 20144+3501 COU2216 207 0.6 39
Show 20089+3450 SEI 918 343 14.6 40
Show 20103+3511 SEI 941 156 27.5 41
Show 20099+3509 BKO 99 67 7.3 43
Show 20086+3446 TDT2016 166 0.5 43
Show 20096+3506 TOB 173 186 15.6 43
Show 20097+3510 SEI 937 67 25.3 44
Show 20104+3356 COU1629 155 1.5 45
Show 20150+3500 ES 205 198 7.1 45
Show 20155+3415 GCB 51 215 2.9 45
Show 20153+3412 DAM 205 359 8.6 48
Show 20158+3447 SEI1047 163 21.0 50
Show 20158+3417 DAM 206 174 5.0 51
Show 20096+3519 COU2128 243 2.1 52
Show 20113+3527 SEI 966 246 26.0 52
Show 20090+3516 SEI 919 118 5.5 54
Show 20135+3526 COU2214 AB 31 1.1 54
Show 20135+3526 COU2214 AC 263 3.4 54
Show 20142+3522 ES 204 281 15.1 54
Show 20158+3409 TDT2127 344 0.8 55
Show 20107+3529 RAO 427 126 0.5 56

 
 
WDS 20120+3436 : COMPONENTS
 
 
  A B
B pa=114.4°
sep=1.05"
 
C pa=196.4°
sep=23.78"
pa=198.9°
sep=23.65"
 
 
20120+3436 A
 
 
Name HD 228229 Coord arcsec 2000 201158.71+343539.5 Mag 9.12 Spectral class G8IV (yellow)
PmRA -7.00 PmDE -19.0 SAO 69586 Tycho2 2679-01340-1
HD 228229 DM BD+34 3907
Tycho2
Tycho2 2679-01340-1 Pflag P RAmdeg 302.99466553 DEmdeg 34.59430597
PmRA -7.2 PmDE -18.6 E RAmdeg 13 E DEmdeg 12
E pmRA 2.0 E pmDE 1.9 EpRAm 1990.91 EpDEm 1991.04
Num 6 Q RAmdeg 0.5 Q DEmdeg 0.9 Q pmRA 0.4
Q pmDE 0.9 BTmag 10.435 E BTmag 0.032 VTmag 9.115
E VTmag 0.016 Prox 12 TYC T HIP
CCDM RAdeg 302.99459278 DEdeg 34.59438056 EpRA 1990 1.61
EpDE 1990 1.67 E RAdeg 12.7 E DEdeg 11.5 Posflg D
Corr 0.1
SAO
SAO 69586 DelFlag RA1950 PmRA1950 -0.0012
DE1950 PmDE1950 -0.021 Vmag 9 SpType A7
Double code Source 6 CatNum 1990 DM BD+34 3907
DMcomp BDsup HD 228229 M HD 0
GC RA1950rad 5.27988228 DE1950rad 0.60115902 PmRA2000 -0.001
PmDE2000 -0.023
CCDM
Ccdm 20120+3436 RComp Comp A Note1
Note2 Discov num DRAs -1.30 DDEs -19.8
R dRAs 10 Year Theta Rho
Obs 3 Vmag 9.3 Sp K0 PmNote *
PmRA 3 PmDE -7 Dm number +34 3907 Cat1 BD
Name2 +34 1990 Cat2 AGK2/3 HD 228229 M HD
ADS BDS A13507 M ADS BDS N IDS IDS 20082N3418A
HIC
 
 
20120+3436 B
 
 
Coord arcsec 2000 201158.79+343539.1 Mag 10.65 PmRA -7.00 PmDE -19.0
Tycho2 2679-01340-2 Calc delta mag 1.53 Calc coord yes
Tycho2
Tycho2 2679-01340-2 Pflag P RAmdeg 302.99466553 DEmdeg 34.59430597
PmRA -7.2 PmDE -18.6 E RAmdeg 13 E DEmdeg 12
E pmRA 2.0 E pmDE 1.9 EpRAm 1990.91 EpDEm 1991.04
Num 6 Q RAmdeg 0.5 Q DEmdeg 0.9 Q pmRA 0.4
Q pmDE 0.9 BTmag 11.186 E BTmag 0.056 VTmag 10.647
E VTmag 0.051 Prox 12 TYC HIP
CCDM RAdeg 302.99496167 DEdeg 34.59425444 EpRA 1990 1.58
EpDE 1990 1.67 E RAdeg 36.5 E DEdeg 32.8 Posflg D
Corr 0.1
CCDM
Ccdm 20120+3436 RComp Comp B Note1
Note2 Discov num HO 120 DRAs DDEs
R dRAs Year 1882 Theta 112 Rho 1.1
Obs 9 Vmag 11.8 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A13507 M ADS BDS N IDS IDS 20082N3418B
HIC
 
 
20120+3436 C
 
 
Coord arcsec 2000 201158.17+343516.7 Mag 11.1 PmRA 1.00 PmDE -2.0
Calc delta mag 1.98 Calc coord yes
CCDM
Ccdm 20120+3436 RComp Comp C Note1
Note2 Discov num HO 120 DRAs DDEs
R dRAs Year 1924 Theta 200 Rho 26.5
Obs 3 Vmag 11.4 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A13507 M ADS BDS N IDS IDS 20082N3418C
HIC