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Current system
20022+3154
SEI 802
HD 331689


Nearby doubles
9' : 20028+3158
ES 359AB

11' : 20021+3204
BRT 274

11' : 20021+3144
SEI 799

15' : 20028+3142
ES 358

16' : 20014+3206
COU1472

16' : 20019+3139
AG 245

19' : 20021+3135
SEI 798

20' : 20020+3213
TDS1034

22' : 20037+3145
SEI 827

25' : 20040+3152
BRT 276

25' : 20037+3209
COU1628

26' : 20007+3211
TDT1911AB

27' : 20026+3127
TDT1930

28' : 20035+3216
COU1627

29' : 20040+3136
TDS1038

30' : 20026+3125
DAM 643

31' : 20007+3130
BRT 273

32' : 20036+3220
A 380

34' : 19597+3150
BU 1133

35' : 19597+3140
SEI 773

35' : 20017+3119
GRV 307

36' : 20046+3213
HJ 1471

39' : 19594+3206
A 378

40' : 19598+3219
TDT1905

41' : 20016+3233
TDT1920

43' : 20007+3232
ES 2430AB



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Neglected List I
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Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

20022+3154 SEI 802 (HD 331689)

 
 
20h 02m 13.53s +31° 53' 50.7" P.A. 312.00 sep 20.0 mag 10.11,11.90 Sp K2
 
 
Coord 2000 20022+3154 Discov num SEI 802 Comp Coord arcsec 2000 20 02 13.53 +31 53 50.7
Date first 1893 Date last 2015 Obs 11
Pa first 316 Pa last 312.1 P.A. Now (θ) 312.1°
Sep first 20.1 Sep last 20.021 Sep. Now (ρ) 20.021"
Mag pri 10.11 Mag sec 11.90 delta mag (ΔM) 1.79 Spectral class K2 (yellow-orange)
Pri motion ra +003 Sec motion ra -007
Pri motion dec +009 Sec motion dec -004
Notes
rPM=1.729
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 331689 Constellation Cygnus Tycho2 2674-01360-1 Gaia DR2 2031058049691957888
HD 331689
 
 
WDS 20022+3154 SEI 802 (HD 331689) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Sei1908 Pa - Scheiner, J. 1908POPot..59.....S
Sei1908 +Po Pub. Obs. Potsdam 20, #59, 1908
Sei1913A Pa - Scheiner, J. 1913QB811.B8.......
Sei1913A cited by Burnham (Carnegie Inst. Wash. #168, 1913)
Sei1932A Pa - Scheiner, J. 1932QB821.A43......
Sei1932A cited in ADS (Aitken Double Star Cat.), 1932
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20022+3154 SEI 802 1998 4 313 20.0 10.11 11.90 K2 D 200213.53+315350.7
20022+3154 SEI 802 2002 5 313 20.0 10.11 11.90 K2 D 200213.53+315350.7
20022+3154 SEI 802 2015 6 312 20.0 10.11 11.90 K2 200213.53+315350.7

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

 
 
WDS 20022+3154 SEI 802 (HD 331689) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20022+3154 SEI 802 (HD 331689) : MEASURES
 
 
No records found.

 
 
WDS 20022+3154 (HD 331689) : VIRTUAL EYEPIECE
 
 

20022+3154 SEI 802A mag 10.11 Sp K2 20022+3154 SEI 802B sep 18.4 P.A. 316.80 mag 11.9 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 20022+3154 (HD 331689) : ALADIN DSS IMAGE @ 20h 02m 13.53s +31° 53' 50.7"
 
 
 
 
WDS 20022+3154 SEI 802 (HD 331689) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20022+3154 SEI 802 distance=0' 20028+3158 ES 359AB distance=9' 20028+3158 ES 359BC distance=9' 20021+3204 BRT 274 distance=11' 20021+3144 SEI 799 distance=11' 20028+3142 ES 358 distance=15' 20014+3206 COU1472 distance=16' 20019+3139 AG 245 distance=16' 20021+3135 SEI 798 distance=19' 20020+3213 TDS1034 distance=20' 20037+3145 SEI 827 distance=22' 20040+3152 BRT 276 distance=25' 20037+3209 COU1628 distance=25' 20007+3211 TDT1911AB distance=26' 20007+3211 SCA 181AB,C distance=26' 20026+3127 TDT1930 distance=27' 20035+3216 COU1627 distance=28' 20040+3136 TDS1038 distance=29' 20026+3125 DAM 643 distance=30' 20007+3130 BRT 273 distance=31' 20036+3220 A 380 distance=32' 19597+3150 BU 1133 distance=34' 19597+3140 SEI 773 distance=35' 20017+3119 GRV 307 distance=35' 20046+3213 HJ 1471 distance=36' 19594+3206 A 378 distance=39' 19598+3219 TDT1905 distance=40' 20016+3233 TDT1920 distance=41' 20007+3232 ES 2430AB distance=43' 20007+3232 ES 2430AC distance=43' 20007+3232 DAM 313CD distance=43' 19589+3158 SEI 757 distance=43' 20042+3230 TDS1039 distance=44' 20032+3112 BRT 275 distance=45' 19593+3219 HJ 1461 distance=46' 19588+3138 SEI 756 distance=47' 20039+3113 TDT1946 distance=47' 20014+3240 SEI 792 distance=47' 19591+3128 SEI 758 distance=48' 20059+3157 SEI 852 distance=49' 19583+3147 KU 126 distance=51' 20063+3148 COU1322 distance=53' 19585+3217 RAO 424AB distance=54' 19585+3217 RAO 424AC distance=54' 20064+3147 GYL 31 distance=54' 19580+3145 TDT1884 distance=54' 20068+3203 SEI 881 distance=60' 20004+3252 TDT1910 distance=63' 20013+3052 TDT1916 distance=64' 19572+3203 KPP1143 distance=65' 20044+3055 GRV 309 distance=66' 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 20022+3154 SEI 802 312 20.0
Show 20028+3158 ES 359 AB 135 30.5 9
Show 20028+3158 ES 359 BC 68 6.1 9
Show 20021+3204 BRT 274 7 4.7 11
Show 20021+3144 SEI 799 51 12.7 11
Show 20028+3142 ES 358 200 8.0 15
Show 20014+3206 COU1472 190 1.2 16
Show 20019+3139 AG 245 21 16.7 16
Show 20021+3135 SEI 798 214 24.3 19
Show 20020+3213 TDS1034 74 1.0 20
Show 20037+3145 SEI 827 18 9.4 22
Show 20040+3152 BRT 276 17 3.7 25
Show 20037+3209 COU1628 345 1.1 25
Show 20007+3211 TDT1911 AB 52 0.6 26
Show 20007+3211 SCA 181 AB,C 92 3.6 26
Show 20026+3127 TDT1930 120 0.7 27
Show 20035+3216 COU1627 47 1.2 28
Show 20040+3136 TDS1038 33 1.6 29
Show 20026+3125 DAM 643 175 6.8 30
Show 20007+3130 BRT 273 76 4.3 31
Show 20036+3220 A 380 202 0.4 32
Show 19597+3150 BU 1133 344 1.1 34
Show 19597+3140 SEI 773 258 17.4 35
Show 20017+3119 GRV 307 138 45.7 35
Show 20046+3213 HJ 1471 9 32.9 36
Show 19594+3206 A 378 294 1.0 39
Show 19598+3219 TDT1905 212 5.2 40
Show 20016+3233 TDT1920 154 0.7 41
Show 20007+3232 ES 2430 AB 265 6.5 43
Show 20007+3232 ES 2430 AC 39 17.1 43
Show 20007+3232 DAM 313 CD 298 3.8 43
Show 19589+3158 SEI 757 192 15.7 43
Show 20042+3230 TDS1039 112 1.4 44
Show 20032+3112 BRT 275 31 4.2 45
Show 19593+3219 HJ 1461 153 11.4 46
Show 19588+3138 SEI 756 335 17.8 47
Show 20039+3113 TDT1946 287 0.4 47
Show 20014+3240 SEI 792 5 25.4 47
Show 19591+3128 SEI 758 159 23.1 48
Show 20059+3157 SEI 852 255 44.8 49
Show 19583+3147 KU 126 13 53.1 51
Show 20063+3148 COU1322 106 0.2 53
Show 19585+3217 RAO 424 AB 58 2.3 54
Show 19585+3217 RAO 424 AC 343 4.0 54
Show 20064+3147 GYL 31 180 68.2 54
Show 19580+3145 TDT1884 122 0.5 54
Show 20068+3203 SEI 881 313 7.2 60
Show 20004+3252 TDT1910 243 1.8 63
Show 20013+3052 TDT1916 133 0.7 64
Show 19572+3203 KPP1143 292 8.9 65
Show 20044+3055 GRV 309 328 34.1 66

 
 
WDS 20022+3154 : COMPONENTS
 
 
  A
B pa=316.8°
sep=18.42"
 
 
20022+3154 A
 
 
Componente originario normalizzato AB Name HD 331689 Coord arcsec 2000 200213.53+315350.7 Mag 10.11
Spectral class K2 (yellow-orange) PmRA 3.00 PmDE 9.0 Tycho2 2674-01360-1
HD 331689
Tycho2
Tycho2 2674-01360-1 Pflag RAmdeg 300.55638506 DEmdeg 31.89742027
PmRA 0.8 PmDE 7.8 E RAmdeg 25 E DEmdeg 24
E pmRA 1.8 E pmDE 1.8 EpRAm 1986.43 EpDEm 1986.94
Num 5 Q RAmdeg 0.3 Q DEmdeg 1.3 Q pmRA 0.3
Q pmDE 1.4 BTmag 11.510 E BTmag 0.070 VTmag 10.107
E VTmag 0.033 Prox 914 TYC T HIP
CCDM RAdeg 300.55638333 DEdeg 31.89740861 EpRA 1990 1.50
EpDE 1990 1.61 E RAdeg 29.6 E DEdeg 28.0 Posflg
Corr 0.1
CCDM
Ccdm 20022+3154 RComp Comp A Note1
Note2 Discov num DRAs 1.57 DDEs -9.3
R dRAs 65 Year Theta Rho
Obs 2 Vmag 10.7 Sp PmNote
PmRA PmDE Dm number +31 3899 Cat1 BD
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 19583N3137A
HIC
 
 
20022+3154 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 200212.54+315404.1 Mag 11.9 PmRA -7.00
PmDE -4.0 Calc delta mag 1.79 Calc coord yes
CCDM
Ccdm 20022+3154 RComp Comp B Note1
Note2 Discov num SEI 802 DRAs 0.41 DDEs 4.5
R dRAs 65 Year 1893 Theta 316 Rho 20.1
Obs 1 Vmag 12.5 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 19583N3137B
HIC