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Doubles in session


Current system
20132+3225
SEI 1015
HD 331981


Nearby doubles
15' : 20127+3213
SEI1002

17' : 20120+3227
SEI 984

17' : 20131+3209
SEI1008AB

24' : 20123+3205
STF2649AB

28' : 20134+3253
SHN 242

30' : 20150+3244
CVR 221

33' : 20118+3200
SEI 975

35' : 20105+3225
SEI 943

44' : 20165+3238
GII 15

45' : 20132+3309
SKF1649

46' : 20169+3218
SEI1060

47' : 20096+3218
ES 2431

47' : 20097+3240
SEI 933

48' : 20169+3235
A 284

49' : 20168+3206
COU1476AB

53' : 20094+3244
SEI 925

56' : 20114+3135
SEI 963

56' : 20092+3243
TOB 171

58' : 20170+3153
SEI1061

58' : 20175+3205
SEI1065

58' : 20144+3129
A 1204

58' : 20153+3316
COU1808

59' : 20108+3320
SEI 952

59' : 20111+3133
TDT2058

60' : 20118+3321
TDT2075

60' : 20095+3301
GRV 316



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.

20132+3225 SEI 1015 (HD 331981)

 
 
20h 13m 16.02s +32° 24' 45.2" P.A. 67.00 sep 14.4 mag 10.92,11.20 Sp B9
 
 
Coord 2000 20132+3225 Discov num SEI1015 Comp Coord arcsec 2000 20 13 16.02 +32 24 45.2
Date first 1893 Date last 2015 Obs 13
Pa first 68 Pa last 67.4 P.A. Now (θ) 67.4°
Sep first 13.9 Sep last 14.391 Sep. Now (ρ) 14.391"
Mag pri 10.92 Mag sec 11.20 delta mag (ΔM) 0.28 Spectral class B9 (blue-white)
Pri motion ra -002 Sec motion ra -001
Pri motion dec -005 Sec motion dec -004
Notes
rPM=0.263 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 331981 Constellation Cygnus SAO 69626 Tycho2 2675-00473-1
Gaia DR2 2054919479217955840 HD 331981 DM BD+31 3995
 
 
WDS 20132+3225 SEI 1015 (HD 331981) : 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
20132+3225 SEI1015 1999 6 67 14.4 10.92 11.20 D 201316.02+322445.2
20132+3225 SEI1015 2002 7 67 14.4 10.92 11.20 D 201316.02+322445.2
20132+3225 SEI1015 2010 8 66 14.3 10.92 11.20 B9 201316.02+322445.2
20132+3225 SEI1015 2015 9 67 14.4 10.92 11.20 B9 201316.02+322445.2

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

 
 
WDS 20132+3225 SEI 1015 (HD 331981) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20132+3225 SEI 1015 (HD 331981) : MEASURES
 
 
No records found.

 
 
WDS 20132+3225 (HD 331981) : VIRTUAL EYEPIECE
 
 

20132+3225 SEI1015A mag 10.92 Sp B9 20132+3225 SEI1015B sep 12.5 P.A. 63.80 mag 11.2 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 20132+3225 (HD 331981) : ALADIN DSS IMAGE @ 20h 13m 16.02s +32° 24' 45.2"
 
 
 
 
WDS 20132+3225 SEI 1015 (HD 331981) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20132+3225 SEI1015 distance=0' 20127+3213 SEI1002 distance=15' 20131+3209 FYM 76BD distance=17' 20120+3227 SEI 984 distance=17' 20131+3209 TDT2096Aa,Ab distance=17' 20131+3209 SEI1008AB distance=17' 20123+3205 STF2649AB distance=24' 20123+3205 STF2649AC distance=24' 20123+3205 STF2649AD distance=24' 20134+3253 SHN 242 distance=28' 20150+3244 CVR 221 distance=30' 20118+3200 SEI 975 distance=33' 20105+3225 SEI 943 distance=35' 20165+3238 GII 15 distance=44' 20132+3309 SKF1649 distance=45' 20169+3218 SEI1060 distance=46' 20096+3218 ES 2431 distance=47' 20097+3240 SEI 933 distance=47' 20169+3235 A 284 distance=48' 20168+3206 COU1476AB distance=49' 20168+3206 COU1476AC distance=49' 20094+3244 SEI 925 distance=53' 20114+3135 SEI 963 distance=56' 20092+3243 TOB 171 distance=56' 20170+3153 SEI1061 distance=58' 20175+3205 SEI1065 distance=58' 20144+3129 A 1204 distance=58' 20153+3316 COU1808 distance=58' 20108+3320 SEI 952 distance=59' 20111+3133 TDT2058 distance=59' 20118+3321 TDT2075 distance=60' 20095+3301 GRV 316 distance=60' 20095+3148 CBL 526 distance=61' 20169+3307 OSO 122AB distance=62' 20169+3307 OSO 122AC distance=62' 20169+3307 OSO 122AD distance=62' 20090+3258 SEI 916 distance=63' 20181+3202 SEI1068 distance=65' 20127+3330 FAL 67 distance=66' 20094+3309 GIC 162 distance=66' 20121+3330 BKO 898 distance=67' 20081+3155 SEI 905 distance=68' 20081+3241 SEI 906 distance=68' 20105+3323 TOB 50 distance=68' 20080+3235 STF2633AB distance=68' 20080+3235 HJ 1483AC distance=68' 20080+3235 HJ 1483AD distance=68' 20080+3235 SEI 900CD distance=69' 20098+3130 SEI 932 distance=71' 20169+3130 HO 588BC distance=71' 20079+3246 TDT2007 distance=71' 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 20132+3225 SEI1015 67 14.4
Show 20127+3213 SEI1002 336 9.9 15
Show 20131+3209 FYM 76 BD 45 16.7 17
Show 20120+3227 SEI 984 324 3.3 17
Show 20131+3209 TDT2096 Aa,Ab 13 1.3 17
Show 20131+3209 SEI1008 AB 73 20.4 17
Show 20123+3205 STF2649 AB 151 21.6 24
Show 20123+3205 STF2649 AC 284 131.0 24
Show 20123+3205 STF2649 AD 36 175.9 24
Show 20134+3253 SHN 242 -1 0.2 28
Show 20150+3244 CVR 221 56 35.9 30
Show 20118+3200 SEI 975 20 11.0 33
Show 20105+3225 SEI 943 299 22.5 35
Show 20165+3238 GII 15 232 9.7 44
Show 20132+3309 SKF1649 252 20.3 45
Show 20169+3218 SEI1060 8 23.8 46
Show 20096+3218 ES 2431 192 5.9 47
Show 20097+3240 SEI 933 335 4.5 47
Show 20169+3235 A 284 253 0.4 48
Show 20168+3206 COU1476 AB 9 0.1 49
Show 20168+3206 COU1476 AC 157 3.0 49
Show 20094+3244 SEI 925 338 22.9 53
Show 20114+3135 SEI 963 142 15.2 56
Show 20092+3243 TOB 171 117 19.1 56
Show 20170+3153 SEI1061 98 6.3 58
Show 20175+3205 SEI1065 2 4.1 58
Show 20144+3129 A 1204 323 0.4 58
Show 20153+3316 COU1808 209 1.1 58
Show 20108+3320 SEI 952 194 5.9 59
Show 20111+3133 TDT2058 305 0.5 59
Show 20118+3321 TDT2075 104 2.6 60
Show 20095+3301 GRV 316 36 27.8 60
Show 20095+3148 CBL 526 279 28.3 61
Show 20169+3307 OSO 122 AB 11 16.2 62
Show 20169+3307 OSO 122 AC 271 20.9 62
Show 20169+3307 OSO 122 AD 117 22.5 62
Show 20090+3258 SEI 916 29 5.4 63
Show 20181+3202 SEI1068 12 17.4 65
Show 20127+3330 FAL 67 165 21.3 66
Show 20094+3309 GIC 162 180 35.2 66
Show 20121+3330 BKO 898 65 4.7 67
Show 20081+3155 SEI 905 105 12.9 68
Show 20081+3241 SEI 906 283 23.8 68
Show 20105+3323 TOB 50 269 31.9 68
Show 20080+3235 STF2633 AB 101 11.6 68
Show 20080+3235 HJ 1483 AC 264 46.4 68
Show 20080+3235 HJ 1483 AD 249 71.0 68
Show 20080+3235 SEI 900 CD 224 28.8 69
Show 20098+3130 SEI 932 291 5.4 71
Show 20169+3130 HO 588 BC 30 8.7 71
Show 20079+3246 TDT2007 134 2.4 71

 
 
WDS 20132+3225 : COMPONENTS
 
 
  A
B pa=63.8°
sep=12.51"
 
 
20132+3225 A
 
 
Componente originario normalizzato AB Name HD 331981 Coord arcsec 2000 201316.02+322445.2 Mag 10.92
Spectral class B9 (blue-white) PmRA -2.00 PmDE -5.0 SAO 69626
Tycho2 2675-00473-1 HD 331981 DM BD+31 3995
Tycho2
Tycho2 2675-00473-1 Pflag RAmdeg 303.31674778 DEmdeg 32.41256120
PmRA -2.7 PmDE -6.3 E RAmdeg 39 E DEmdeg 37
E pmRA 1.5 E pmDE 1.5 EpRAm 1983.17 EpDEm 1983.86
Num 6 Q RAmdeg 1.1 Q DEmdeg 1.5 Q pmRA 1.1
Q pmDE 1.5 BTmag 11.461 E BTmag 0.066 VTmag 10.919
E VTmag 0.061 Prox 145 TYC T HIP
CCDM RAdeg 303.31675389 DEdeg 32.41257667 EpRA 1990 1.64
EpDE 1990 1.67 E RAdeg 40.6 E DEdeg 39.1 Posflg
Corr 0.0
SAO
SAO 69626 DelFlag RA1950 PmRA1950 0.0008
DE1950 PmDE1950 -0.01 Vmag 8.9 SpType B9
Double code Source 6 CatNum 1914 DM BD+31 3995
DMcomp BDsup HD 331981 M HD 0
GC RA1950rad 5.2856666 DE1950rad 0.56293161 PmRA2000 0.001
PmDE2000 -0.012
 
 
20132+3225 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 201316.91+322450.7 Mag 11.2 PmRA -1.00
PmDE -4.0 Tycho2 2675-02367-1 Calc delta mag 0.28 Calc coord yes
Tycho2
Tycho2 2675-02367-1 Pflag RAmdeg 303.32117300 DEmdeg 32.41408714
PmRA 3.7 PmDE -6.3 E RAmdeg 43 E DEmdeg 43
E pmRA 1.7 E pmDE 1.7 EpRAm 1983.38 EpDEm 1983.34
Num 5 Q RAmdeg 0.7 Q DEmdeg 0.5 Q pmRA 0.7
Q pmDE 0.5 BTmag 11.594 E BTmag 0.069 VTmag 11.204
E VTmag 0.076 Prox 145 TYC HIP
CCDM RAdeg 303.32116278 DEdeg 32.41410139 EpRA 1990 1.64
EpDE 1990 1.66 E RAdeg 45.1 E DEdeg 45.3 Posflg
Corr 0.0