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Doubles in session


Current system
21215+3648
TDT 2919


Nearby doubles
22' : 21231+3647
ES 2124

25' : 21196+3656
TDT2905

31' : 21215+3719
ROE 24AB

32' : 21235+3627
TDT2940

40' : 21245+3632
ES 2125AB

43' : 21247+3631
ES 2126AB

43' : 21186+3624
CRB 140

44' : 21238+3721
STFA 55AB

47' : 21221+3734
ES 2517

47' : 21249+3711
TDS1126

48' : 21215+3600
TDT2920

49' : 21252+3629
CBL 93

49' : 21252+3708
SEI1513

52' : 21258+3640
S 790AB

53' : 21176+3624
TDT2888

54' : 21244+3607
TDS1125

55' : 21174+3711
SEI1491

56' : 21187+3604
TDT2896

58' : 21226+3744
COU1820

58' : 21168+3659
TDT2881

62' : 21243+3740
WSI 7

62' : 21241+3741
SEI1458

63' : 21195+3745
TDT2904

64' : 21264+3712
SEI1514

68' : 21232+3543
ALI 218

69' : 21228+3754
WIS 349



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

21215+3648 TDT 2919

 
 
21h 21m 30.33s +36° 47' 31.5" P.A. 344.00 sep 1.5 mag 11.87,12.73
 
 
Coord 2000 21215+3648 Discov num TDT2919 Comp Coord arcsec 2000 21 21 30.33 +36 47 31.5
Date first 1991 Date last 1991 Obs 1
Pa first 344 Pa last 344.3 P.A. Now (θ) 344.3°
Sep first 1.5 Sep last 1.49 Sep. Now (ρ) 1.49"
Mag pri 11.87 Mag sec 12.73 delta mag (ΔM) 0.86 Spectral class
Pri motion ra -002 Sec motion ra -002
Pri motion dec +000 Sec motion dec +000
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 2715-00634-1 Gaia DR2 1963697874239707264
 
 
WDS 21215+3648 TDT 2919 : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
No records found.

 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21215+3648 TDT2919 1991 1 344 1.5 11.87 12.73 212130.33+364731.5

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

 
 
WDS 21215+3648 TDT 2919 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 21215+3648 TDT 2919 : MEASURES
 
 
No records found.

 
 
WDS 21215+3648 : VIRTUAL EYEPIECE
 
 

21215+3648 TDT2919A mag 11.87 21215+3648 TDT2919B sep 1.5 P.A. 347.30 mag 12.73 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 21215+3648 : ALADIN DSS IMAGE @ 21h 21m 30.33s +36° 47' 31.5"
 
 
 
 
WDS 21215+3648 TDT 2919 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

21215+3648 TDT2919 distance=0' 21231+3647 ES 2124 distance=22' 21196+3656 TDT2905 distance=25' 21215+3719 ROE 23CD distance=31' 21215+3719 ROE 24AB distance=31' 21215+3719 ROE 24AD distance=31' 21215+3719 ROE 24AC distance=31' 21235+3627 TDT2940 distance=32' 21245+3632 ES 2125AB distance=40' 21245+3632 SEI1512AC distance=40' 21247+3631 ES 2126AB distance=43' 21247+3631 WSI 23AC distance=43' 21238+3721 STFA 55CD distance=43' 21238+3721 STFA 55CE distance=43' 21186+3624 CRB 140 distance=43' 21238+3721 STFA 55AB distance=44' 21238+3721 STFA 55AC distance=44' 21238+3721 STFA 55AF distance=44' 21221+3734 ES 2517 distance=47' 21249+3711 TDS1126 distance=47' 21215+3600 TDT2920 distance=48' 21252+3629 CBL 93 distance=49' 21252+3708 SEI1513 distance=49' 21258+3640 S 790AB distance=52' 21258+3640 S 790AC distance=52' 21176+3624 TDT2888 distance=53' 21258+3640 FYM 124CD distance=53' 21244+3607 TDS1125 distance=54' 21174+3711 SEI1491 distance=55' 21187+3604 TDT2896 distance=56' 21226+3744 COU1820 distance=58' 21168+3659 TDT2881 distance=58' 21243+3740 WSI 7 distance=62' 21241+3741 SEI1458 distance=62' 21195+3745 TDT2904 distance=63' 21264+3712 SEI1514 distance=64' 21232+3543 ALI 218 distance=68' 21228+3754 WIS 349 distance=69' 21168+3729 TDT2880 distance=70' 21271+3627 SEI1517 distance=71' 21184+3749 SEI1495 distance=72' 21203+3535 TDT2911 distance=74' 21233+3801 ES 2519 distance=77' 21156+3715 HO 285AB distance=77' 21156+3715 WAL 138AC distance=77' 21154+3624 SEI1476 distance=77' 21268+3731 SEI1516AB distance=77' 21268+3731 HEI9004AC distance=77' 21268+3731 HEI9004AD distance=77' 21268+3731 COU1821Da,Db distance=78' 21151+3634 SEI1473 distance=78' 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 21215+3648 TDT2919 344 1.5
Show 21231+3647 ES 2124 263 7.6 22
Show 21196+3656 TDT2905 184 2.4 25
Show 21215+3719 ROE 23 CD 261 13.1 31
Show 21215+3719 ROE 24 AB 168 10.3 31
Show 21215+3719 ROE 24 AD 266 81.7 31
Show 21215+3719 ROE 24 AC 266 68.7 31
Show 21235+3627 TDT2940 339 1.1 32
Show 21245+3632 ES 2125 AB 34 2.0 40
Show 21245+3632 SEI1512 AC 198 29.0 40
Show 21247+3631 ES 2126 AB 170 4.1 43
Show 21247+3631 WSI 23 AC 84 9.0 43
Show 21238+3721 STFA 55 CD 183 12.8 43
Show 21238+3721 STFA 55 CE 320 17.7 43
Show 21186+3624 CRB 140 18 12.5 43
Show 21238+3721 STFA 55 AB 304 364.1 44
Show 21238+3721 STFA 55 AC 154 178.3 44
Show 21238+3721 STFA 55 AF 201 22.8 44
Show 21221+3734 ES 2517 115 5.3 47
Show 21249+3711 TDS1126 314 1.9 47
Show 21215+3600 TDT2920 147 0.6 48
Show 21252+3629 CBL 93 56 12.9 49
Show 21252+3708 SEI1513 90 14.5 49
Show 21258+3640 S 790 AB 28 34.5 52
Show 21258+3640 S 790 AC 99 53.1 52
Show 21176+3624 TDT2888 351 0.4 53
Show 21258+3640 FYM 124 CD 84 19.4 53
Show 21244+3607 TDS1125 12 1.4 54
Show 21174+3711 SEI1491 294 14.7 55
Show 21187+3604 TDT2896 231 2.5 56
Show 21226+3744 COU1820 319 1.4 58
Show 21168+3659 TDT2881 130 0.5 58
Show 21243+3740 WSI 7 44 0.1 62
Show 21241+3741 SEI1458 312 7.9 62
Show 21195+3745 TDT2904 216 2.0 63
Show 21264+3712 SEI1514 184 12.0 64
Show 21232+3543 ALI 218 264 12.2 68
Show 21228+3754 WIS 349 176 44.9 69
Show 21168+3729 TDT2880 61 0.4 70
Show 21271+3627 SEI1517 80 16.3 71
Show 21184+3749 SEI1495 273 14.8 72
Show 21203+3535 TDT2911 102 1.5 74
Show 21233+3801 ES 2519 224 6.5 77
Show 21156+3715 HO 285 AB 22 9.2 77
Show 21156+3715 WAL 138 AC 29 57.3 77
Show 21154+3624 SEI1476 170 6.4 77
Show 21268+3731 SEI1516 AB 335 3.9 77
Show 21268+3731 HEI9004 AC 275 25.5 77
Show 21268+3731 HEI9004 AD 335 109.8 77
Show 21268+3731 COU1821 Da,Db 96 0.7 78
Show 21151+3634 SEI1473 99 21.9 78

 
 
WDS 21215+3648 : COMPONENTS
 
 
  A
B pa=347.3°
sep=1.47"
 
 
21215+3648 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 212130.33+364731.5 Mag 11.87 PmRA -2.00
PmDE 0.0 Tycho2 2715-00634-1
Tycho2
Tycho2 2715-00634-1 Pflag RAmdeg 320.37634822 DEmdeg 36.79213363
PmRA -2.2 PmDE 0.1 E RAmdeg 48 E DEmdeg 45
E pmRA 2.4 E pmDE 2.3 EpRAm 1984.85 EpDEm 1985.18
Num 5 Q RAmdeg 0.7 Q DEmdeg 1.0 Q pmRA 0.7
Q pmDE 1.0 BTmag 12.140 E BTmag 0.099 VTmag 11.708
E VTmag 0.101 Prox 999 TYC HIP
CCDM RAdeg 320.37635722 DEdeg 36.79212806 EpRA 1990 1.64
EpDE 1990 1.73 E RAdeg 54.2 E DEdeg 50.0 Posflg
Corr 0.1
 
 
21215+3648 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 212130.30+364732.9 Mag 12.73 PmRA -2.00
PmDE 0.0 Calc delta mag 0.86 Calc coord yes