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Doubles in session


Current system
21165+3959
SEI 1484


Nearby doubles
7' : 21171+4001
A 1441AB

8' : 21171+4002
GRV 443

12' : 21169+4009
COU1972

16' : 21175+3950
SEI1493

17' : 21180+4003
LDS2506

20' : 21168+4019
TOB 219

20' : 21176+3945
STF2785

21' : 21170+4020
SEI1487

22' : 21153+4017
A 1440

23' : 21174+4020
SEI1492

25' : 21172+3936
SEI1490AB

27' : 21146+3947
LDS2500

27' : 21176+4023
LDS2505

28' : 21184+3943
SEI1497

31' : 21191+3954
SEI1502

33' : 21190+3945
STT 434AB

34' : 21191+3944
SEI1501

36' : 21181+3929
MLB 895

37' : 21184+3930
SEI1496

38' : 21196+3948
SEI1503AB

40' : 21199+3957
SEI1506

41' : 21192+4026
LDS2508AB

42' : 21199+3948
SEI1507

43' : 21129+4003
LDS2495

43' : 21175+3919
MLB 959

44' : 21145+4036
COU2227



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

21165+3959 SEI 1484

 
 
21h 16m 30.17s +39° 59' 50.6" P.A. 7.00 sep 4.2 mag 10.80,12.30
 
 
Coord 2000 21165+3959 Discov num SEI1484 Comp Coord arcsec 2000 21 16 30.17 +39 59 50.6
Date first 1895 Date last 2015 Obs 8
Pa first 4 Pa last 6.8 P.A. Now (θ) 6.8°
Sep first 3.6 Sep last 4.15 Sep. Now (ρ) 4.15"
Mag pri 10.80 Mag sec 12.30 delta mag (ΔM) 1.5 Spectral class
Pri motion ra -003 Sec motion ra
Pri motion dec -010 Sec motion dec
Notes N (See Notes)
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 3173-03038-1 Gaia DR2 1965254305972856704
 
 
WDS 21165+3959 SEI 1484 : NOTES
 
 
discov_num notes refcode
SEI1484 J 1152.
 
 
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
21165+3959 SEI1484 2003 6 7 4.2 10.80 12.30 N D 211630.17+395950.6
21165+3959 SEI1484 2015 8 7 4.2 10.80 12.30 N 211630.17+395950.6

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

 
 
WDS 21165+3959 SEI 1484 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 21165+3959 SEI 1484 : MEASURES
 
 
No records found.

 
 
WDS 21165+3959 : VIRTUAL EYEPIECE
 
 

21165+3959 SEI1484A mag 10.8 21165+3959 SEI1484B sep 4.1 P.A. 5.20 mag 12.3 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 21165+3959 : ALADIN DSS IMAGE @ 21h 16m 30.17s +39° 59' 50.6"
 
 
 
 
WDS 21165+3959 SEI 1484 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

21165+3959 SEI1484 distance=0' 21171+4001 A 1441AB distance=7' 21171+4001 SEI1489AC distance=7' 21171+4002 GRV 443 distance=8' 21169+4009 COU1972 distance=12' 21175+3950 SEI1493 distance=16' 21180+4003 LDS2506 distance=17' 21168+4019 TOB 219 distance=20' 21176+3945 STF2785 distance=20' 21170+4020 SEI1487 distance=21' 21153+4017 A 1440 distance=22' 21174+4020 SEI1492 distance=23' 21172+3936 SEI1490AB distance=25' 21172+3936 LDS2504BC distance=25' 21146+3947 LDS2500 distance=27' 21176+4023 LDS2505 distance=27' 21184+3943 SEI1497 distance=28' 21191+3954 SEI1502 distance=31' 21190+3945 STT 434AB distance=33' 21190+3945 ARY 5AC distance=33' 21191+3944 SEI1501 distance=34' 21181+3929 MLB 895 distance=36' 21184+3930 SEI1496 distance=37' 21196+3948 SEI1503AB distance=38' 21196+3948 SEI1504AC distance=38' 21196+3948 ABH 143AD distance=38' 21196+3948 ABH 143AE distance=38' 21196+3948 ABH 143AF distance=38' 21196+3948 ABH 143AG distance=38' 21196+3948 ABH 143AH distance=38' 21196+3948 ABH 143AI distance=38' 21199+3957 SEI1506 distance=40' 21192+4026 LDS2508AB distance=41' 21199+3948 SEI1507 distance=42' 21129+4003 LDS2495 distance=43' 21175+3919 MLB 959 distance=43' 21145+4036 COU2227 distance=44' 21165+4046 ES 1690 distance=47' 21204+4017 RAO 451 distance=48' 21154+3912 MLB 894 distance=49' 21209+4002 LDS2512 distance=51' 21209+4010 UC 259AB distance=52' 21139+4042 TDT2840 distance=52' 21120+4000 TDT2817 distance=53' 21129+4033 ES 256 distance=54' 21169+3906 SEI1486 distance=55' 21212+4003 COU2230 distance=55' 21189+3909 AG 270 distance=58' 21215+4002 SEI1511 distance=59' 21140+4051 KPP1300 distance=59' 21154+3902 SEI1477 distance=60' 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 21165+3959 SEI1484 7 4.2
Show 21171+4001 A 1441 AB 273 0.2 7
Show 21171+4001 SEI1489 AC 102 16.4 7
Show 21171+4002 GRV 443 333 16.6 8
Show 21169+4009 COU1972 145 0.2 12
Show 21175+3950 SEI1493 142 24.1 16
Show 21180+4003 LDS2506 161 14.1 17
Show 21168+4019 TOB 219 212 35.0 20
Show 21176+3945 STF2785 234 2.9 20
Show 21170+4020 SEI1487 238 21.2 21
Show 21153+4017 A 1440 213 1.2 22
Show 21174+4020 SEI1492 246 24.6 23
Show 21172+3936 SEI1490 AB 95 20.1 25
Show 21172+3936 LDS2504 BC 67 23.5 25
Show 21146+3947 LDS2500 355 14.5 27
Show 21176+4023 LDS2505 23 4.3 27
Show 21184+3943 SEI1497 213 10.0 28
Show 21191+3954 SEI1502 274 13.1 31
Show 21190+3945 STT 434 AB 122 24.4 33
Show 21190+3945 ARY 5 AC 317 97.2 33
Show 21191+3944 SEI1501 240 29.7 34
Show 21181+3929 MLB 895 182 5.7 36
Show 21184+3930 SEI1496 352 19.5 37
Show 21196+3948 SEI1503 AB 278 9.7 38
Show 21196+3948 SEI1504 AC 66 22.5 38
Show 21196+3948 ABH 143 AD 119 104.7 38
Show 21196+3948 ABH 143 AE 161 54.4 38
Show 21196+3948 ABH 143 AF 229 50.9 38
Show 21196+3948 ABH 143 AG 45 111.9 38
Show 21196+3948 ABH 143 AH 66 86.5 38
Show 21196+3948 ABH 143 AI 74 124.3 38
Show 21199+3957 SEI1506 60 7.8 40
Show 21192+4026 LDS2508 AB 357 7.8 41
Show 21199+3948 SEI1507 146 11.6 42
Show 21129+4003 LDS2495 173 5.0 43
Show 21175+3919 MLB 959 291 7.8 43
Show 21145+4036 COU2227 193 1.2 44
Show 21165+4046 ES 1690 101 3.8 47
Show 21204+4017 RAO 451 116 2.8 48
Show 21154+3912 MLB 894 200 3.1 49
Show 21209+4002 LDS2512 30 85.1 51
Show 21209+4010 UC 259 AB 110 55.0 52
Show 21139+4042 TDT2840 235 0.7 52
Show 21120+4000 TDT2817 335 0.6 53
Show 21129+4033 ES 256 281 4.5 54
Show 21169+3906 SEI1486 318 23.9 55
Show 21212+4003 COU2230 81 0.4 55
Show 21189+3909 AG 270 112 5.8 58
Show 21215+4002 SEI1511 283 28.5 59
Show 21140+4051 KPP1300 32 9.9 59
Show 21154+3902 SEI1477 59 20.8 60

 
 
WDS 21165+3959 : COMPONENTS
 
 
  A
B pa=5.2°
sep=4.14"
 
 
21165+3959 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 211630.17+395950.6 Mag 10.8 PmRA -3.00
PmDE -10.0 Tycho2 3173-03038-1
Tycho2
Tycho2 3173-03038-1 Pflag RAmdeg 319.12572594 DEmdeg 39.99739092
PmRA -3.7 PmDE -10.2 E RAmdeg 20 E DEmdeg 18
E pmRA 1.4 E pmDE 1.4 EpRAm 1989.46 EpDEm 1989.87
Num 4 Q RAmdeg 0.3 Q DEmdeg 1.6 Q pmRA 0.4
Q pmDE 1.6 BTmag 10.622 E BTmag 0.034 VTmag 10.072
E VTmag 0.028 Prox 999 TYC T HIP
CCDM RAdeg 319.12573694 DEdeg 39.99741444 EpRA 1990 1.67
EpDE 1990 1.70 E RAdeg 19.5 E DEdeg 18.2 Posflg
Corr 0.0
 
 
21165+3959 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 211630.20+395954.7 Mag 12.3 Calc delta mag 1.5
Calc coord yes