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Doubles in session


Current system
21012+3949
SEI 1369


Nearby doubles
3' : 21014+3948
SEI1370

10' : 21008+3940
SEI1364

12' : 21010+3959
A 1438

19' : 20596+3953
SEI1358

20' : 21029+3946
SEI1379

21' : 21000+4004
KUI 103AB

22' : 21023+3931
H 4 113AB

24' : 20592+3946
BKO 481

24' : 20592+3941
SEI1351AB

25' : 20591+3950
BKO 479

25' : 20591+3944
BKO 480

25' : 21031+3959
LDS2483AB

26' : 20590+3945
SEI1349

29' : 20588+3957
TDT2670

30' : 20591+3932
TOB 205

31' : 20587+3942
BKO 477

31' : 20589+3931
SEI1348

32' : 20599+4016
ENG 79AB

32' : 20595+3923
SEI1357

32' : 20593+3925
SEI1353

33' : 20593+3924
TOB 207

34' : 21018+3916
STF2746

36' : 21020+3914
LV 9

39' : 20587+3922
BKO 478

41' : 21002+4027
TDT2688

42' : 21042+3924
SEI1389



Selections
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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.

21012+3949 SEI 1369

 
 
21h 01m 12.81s +39° 47' 57.0" P.A. 309.00 sep 4.5 mag 12.02,12.20
 
 
Coord 2000 21012+3949 Discov num SEI1369 Comp Coord arcsec 2000 21 01 12.81 +39 47 57.0
Date first 1892 Date last 2020 Obs 8
Pa first 307 Pa last 308.6 P.A. Now (θ) 308.6°
Sep first 4.5 Sep last 4.54 Sep. Now (ρ) 4.54"
Mag pri 12.02 Mag sec 12.20 delta mag (ΔM) 0.18 Spectral class
Pri motion ra -010 Sec motion ra -040
Pri motion dec -014 Sec motion dec -001
Notes
rPM=0.817
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 3172-01744-1 Gaia DR2 1873051593021295616
 
 
WDS 21012+3949 SEI 1369 : 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
21012+3949 SEI1369 2000 4 309 4.5 12.02 12.20 D 210112.81+394757.0
21012+3949 SEI1369 2002 5 309 4.5 12.02 12.20 D 210112.81+394757.0
21012+3949 SEI1369 2015 6 309 4.5 12.02 12.20 210112.81+394757.0
21012+3949 SEI1369 2016 7 309 4.5 12.02 12.20 210112.81+394757.0
21012+3949 SEI1369 2020 8 309 4.5 12.02 12.20 210112.81+394757.0

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

 
 
WDS 21012+3949 SEI 1369 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 21012+3949 SEI 1369 : MEASURES
 
 
No records found.

 
 
WDS 21012+3949 : VIRTUAL EYEPIECE
 
 

21012+3949 SEI1369A mag 12.02 21012+3949 SEI1369B sep 3.9 P.A. 316.10 mag 12.2 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 21012+3949 : ALADIN DSS IMAGE @ 21h 01m 12.81s +39° 47' 57.0"
 
 
 
 
WDS 21012+3949 SEI 1369 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

21012+3949 SEI1369 distance=0' 21014+3948 SEI1370 distance=3' 21008+3940 SEI1364 distance=10' 21010+3959 A 1438 distance=12' 20596+3953 SEI1358 distance=19' 21029+3946 SEI1379 distance=20' 21000+4004 KUI 103AB distance=21' 21000+4004 RAO 689AC distance=21' 21023+3931 H 4 113AB distance=22' 21023+3931 H 4 113AC distance=22' 21023+3931 SMY 6AE distance=22' 21023+3931 WRD 4AF distance=22' 21023+3931 SMY 6AD distance=22' 21023+3931 WRD 4AG distance=22' 21023+3931 FYM 114AI distance=22' 21023+3931 WRD 4ED distance=23' 21023+3931 WRD 4EH distance=23' 20592+3946 BKO 481 distance=24' 20592+3941 SEI1351AB distance=24' 20592+3941 TOB 206AC distance=24' 20591+3950 BKO 479 distance=25' 20591+3944 BKO 480 distance=25' 21031+3959 LDS2483AB distance=25' 20590+3945 SEI1349 distance=26' 20599+4016 SEI1363CR distance=28' 20588+3957 TDT2670 distance=29' 20591+3932 TOB 205 distance=30' 20587+3942 BKO 477 distance=31' 20599+4016 BUP 221BC distance=31' 20589+3931 SEI1348 distance=31' 20599+4016 COU2431Aa,Ab distance=32' 20599+4016 ENG 79AB distance=32' 20599+4016 LEP 98AD distance=32' 20599+4016 BUP 221AC distance=32' 20599+4016 LSC 1Aa1,2 distance=32' 20595+3923 SEI1357 distance=32' 20593+3925 SEI1353 distance=32' 20593+3924 TOB 207 distance=33' 21018+3916 STF2746 distance=34' 21020+3914 LV 9 distance=36' 20587+3922 BKO 478 distance=39' 21002+4027 TDT2688 distance=41' 21042+3924 SEI1389 distance=42' 20599+4016 HDS2989Da,Db distance=42' 20599+4016 RAO 72DE distance=42' 21032+4024 ES 1986 distance=43' 20577+3926 SEI1334 distance=47' 20578+3923 BKO 475 distance=47' 20580+3918 ES 1985AB distance=47' 20580+3918 SEI1338AC distance=47' 20580+3918 BKO 476BD distance=47' 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 21012+3949 SEI1369 309 4.5
Show 21014+3948 SEI1370 141 20.7 3
Show 21008+3940 SEI1364 114 12.1 10
Show 21010+3959 A 1438 257 0.3 12
Show 20596+3953 SEI1358 273 30.9 19
Show 21029+3946 SEI1379 7 19.4 20
Show 21000+4004 KUI 103 AB 58 0.9 21
Show 21000+4004 RAO 689 AC 300 2.4 21
Show 21023+3931 H 4 113 AB 299 18.9 22
Show 21023+3931 H 4 113 AC 248 26.7 22
Show 21023+3931 SMY 6 AE 87 95.7 22
Show 21023+3931 WRD 4 AF 223 101.8 22
Show 21023+3931 SMY 6 AD 141 57.0 22
Show 21023+3931 WRD 4 AG 230 95.0 22
Show 21023+3931 FYM 114 AI 277 41.1 22
Show 21023+3931 WRD 4 ED 230 77.7 23
Show 21023+3931 WRD 4 EH 159 37.4 23
Show 20592+3946 BKO 481 204 11.5 24
Show 20592+3941 SEI1351 AB 256 17.5 24
Show 20592+3941 TOB 206 AC 71 38.4 24
Show 20591+3950 BKO 479 9 12.4 25
Show 20591+3944 BKO 480 236 11.1 25
Show 21031+3959 LDS2483 AB 41 30.6 25
Show 20590+3945 SEI1349 160 27.9 26
Show 20599+4016 SEI1363 CR 37 8.7 28
Show 20588+3957 TDT2670 6 0.5 29
Show 20591+3932 TOB 205 203 14.5 30
Show 20587+3942 BKO 477 8 7.6 31
Show 20599+4016 BUP 221 BC 107 203.7 31
Show 20589+3931 SEI1348 295 26.4 31
Show 20599+4016 COU2431 Aa,Ab 205 2.2 32
Show 20599+4016 ENG 79 AB 219 165.9 32
Show 20599+4016 LEP 98 AD 258 999.9 32
Show 20599+4016 BUP 221 AC 154 210.3 32
Show 20599+4016 LSC 1 Aa1,2 257 0.0 32
Show 20595+3923 SEI1357 93 14.4 32
Show 20593+3925 SEI1353 113 17.5 32
Show 20593+3924 TOB 207 228 22.0 33
Show 21018+3916 STF2746 323 1.2 34
Show 21020+3914 LV 9 195 2.3 36
Show 20587+3922 BKO 478 75 7.9 39
Show 21002+4027 TDT2688 104 0.5 41
Show 21042+3924 SEI1389 61 18.2 42
Show 20599+4016 HDS2989 Da,Db 143 0.1 42
Show 20599+4016 RAO 72 DE 118 19.8 42
Show 21032+4024 ES 1986 21 4.2 43
Show 20577+3926 SEI1334 106 16.9 47
Show 20578+3923 BKO 475 265 5.5 47
Show 20580+3918 ES 1985 AB 276 8.4 47
Show 20580+3918 SEI1338 AC 277 32.7 47
Show 20580+3918 BKO 476 BD 246 6.0 47

 
 
WDS 21012+3949 : COMPONENTS
 
 
  A
B pa=316.1°
sep=3.93"
 
 
21012+3949 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 210112.81+394757.0 Mag 12.02 PmRA -10.00
PmDE -14.0 Tycho2 3172-01744-1
Tycho2
Tycho2 3172-01744-1 Pflag RAmdeg 315.30341367 DEmdeg 39.79919088
PmRA -8.8 PmDE -14.4 E RAmdeg 74 E DEmdeg 63
E pmRA 2.1 E pmDE 1.9 EpRAm 1977.08 EpDEm 1979.61
Num 3 Q RAmdeg 0.2 Q DEmdeg 1.3 Q pmRA 0.2
Q pmDE 1.4 BTmag 12.501 E BTmag 0.171 VTmag 12.019
E VTmag 0.151 Prox 999 TYC HIP
CCDM RAdeg 315.30344056 DEdeg 39.79922389 EpRA 1990 1.56
EpDE 1990 1.76 E RAdeg 80.0 E DEdeg 67.0 Posflg
Corr 0.1
 
 
21012+3949 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 210112.57+394759.8 Mag 12.2 PmRA -40.00
PmDE -1.0 Calc delta mag 0.18 Calc coord yes