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Current system
21300+3549
TDT 2998


Nearby doubles
25' : 21316+3535
TDS1132

31' : 21299+3519
TDT2996

34' : 21328+3546
SEI1524

38' : 21296+3625
ES 258AB

46' : 21304+3504
HLD 45

48' : 21295+3635
ES 2128AB

51' : 21285+3636
ALI 443

51' : 21339+3530
TDT3033

52' : 21340+3605
TDT3034

52' : 21271+3627
SEI1517

52' : 21294+3640
CRB 16

52' : 21261+3529
POP 49

55' : 21283+3640
CRB 142

64' : 21308+3446
COU1479

65' : 21311+3652
HJ 1653

65' : 21353+3549
GRV 479

65' : 21320+3448
COU1480

66' : 21284+3447
COU1638

70' : 21261+3457
TDT2962

71' : 21308+3440
SEI1522

71' : 21252+3629
CBL 93

71' : 21244+3607
TDS1125

71' : 21295+3438
TDT2993

72' : 21345+3635
TDT3037

73' : 21258+3640
S 790AB

73' : 21305+3701
SEI1521AB



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

21300+3549 TDT 2998

 
 
21h 30m 00.12s +35° 49' 04.2" P.A. 209.00 sep 2.0 mag 11.53,13.28
 
 
Coord 2000 21300+3549 Discov num TDT2998 Comp Coord arcsec 2000 21 30 00.12 +35 49 04.2
Date first 1991 Date last 1991 Obs 1
Pa first 209 Pa last 208.5 P.A. Now (θ) 208.5°
Sep first 2.0 Sep last 1.99 Sep. Now (ρ) 1.99"
Mag pri 11.53 Mag sec 13.28 delta mag (ΔM) 1.75 Spectral class
Pri motion ra +005 Sec motion ra +005
Pri motion dec -003 Sec motion dec -003
Notes X (Dubious double)
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 2716-02497-1 Gaia DR2 1951424408194738176
 
 
WDS 21300+3549 TDT 2998 : 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
21300+3549 TDT2998 1991 1 209 2.0 11.53 13.28 213000.12+354904.2

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

 
 
WDS 21300+3549 TDT 2998 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 21300+3549 TDT 2998 : MEASURES
 
 
No records found.

 
 
WDS 21300+3549 : VIRTUAL EYEPIECE
 
 

21300+3549 TDT2998A mag 11.53 21300+3549 TDT2998B sep 1.9 P.A. 203.80 mag 13.28 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 21300+3549 : ALADIN DSS IMAGE @ 21h 30m 00.12s +35° 49' 04.2"
 
 
 
 
WDS 21300+3549 TDT 2998 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

21300+3549 TDT2998 distance=0' 21316+3535 TDS1132 distance=25' 21299+3519 TDT2996 distance=31' 21328+3546 SEI1524 distance=34' 21296+3625 ES 258AB distance=38' 21296+3625 ES 258BC distance=38' 21304+3504 HLD 45 distance=46' 21295+3635 ES 2128AB distance=48' 21295+3635 ES 2128AC distance=48' 21285+3636 ALI 443 distance=51' 21339+3530 TDT3033 distance=51' 21340+3605 TDT3034 distance=52' 21271+3627 SEI1517 distance=52' 21294+3640 CRB 16 distance=52' 21261+3529 POP 49 distance=52' 21283+3640 CRB 142 distance=55' 21308+3446 COU1479 distance=64' 21311+3652 HJ 1653 distance=65' 21353+3549 GRV 479 distance=65' 21320+3448 COU1480 distance=65' 21284+3447 COU1638 distance=66' 21261+3457 TDT2962 distance=70' 21308+3440 SEI1522 distance=71' 21252+3629 CBL 93 distance=71' 21244+3607 TDS1125 distance=71' 21295+3438 TDT2993 distance=71' 21345+3635 TDT3037 distance=72' 21258+3640 FYM 124CD distance=72' 21258+3640 S 790AB distance=73' 21258+3640 S 790AC distance=73' 21305+3701 SEI1521AB distance=73' 21305+3701 GII 102Aa,Ab distance=73' 21279+3439 TDT2980 distance=75' 21349+3505 GRV 478 distance=75' 21247+3631 ES 2126AB distance=77' 21247+3631 WSI 23AC distance=77' 21245+3632 ES 2125AB distance=80' 21245+3632 SEI1512AC distance=80' 21267+3438 SEI1515 distance=83' 21232+3543 ALI 218 distance=84' 21254+3446 TDS1128 distance=85' 21367+3624 HLD 46 distance=88' 21272+3428 TDT2975 distance=88' 21235+3627 TDT2940 distance=88' 21278+3715 SEI1518 distance=91' 21356+3446 COU1481 distance=93' 21264+3712 SEI1514 distance=94' 21370+3628 GRV 484 distance=95' 21252+3708 SEI1513 distance=99' 21295+3728 SEI1519 distance=99' 21221+3525 ES 2259 distance=100' 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 21300+3549 TDT2998 209 2.0
Show 21316+3535 TDS1132 306 1.4 25
Show 21299+3519 TDT2996 122 1.3 31
Show 21328+3546 SEI1524 130 24.8 34
Show 21296+3625 ES 258 AB 36 9.8 38
Show 21296+3625 ES 258 BC 10 19.7 38
Show 21304+3504 HLD 45 198 1.3 46
Show 21295+3635 ES 2128 AB 304 7.2 48
Show 21295+3635 ES 2128 AC 101 24.9 48
Show 21285+3636 ALI 443 298 4.3 51
Show 21339+3530 TDT3033 150 0.6 51
Show 21340+3605 TDT3034 125 0.6 52
Show 21271+3627 SEI1517 80 16.3 52
Show 21294+3640 CRB 16 56 111.6 52
Show 21261+3529 POP 49 205 4.8 52
Show 21283+3640 CRB 142 46 25.7 55
Show 21308+3446 COU1479 143 0.7 64
Show 21311+3652 HJ 1653 195 19.5 65
Show 21353+3549 GRV 479 117 52.1 65
Show 21320+3448 COU1480 204 1.7 65
Show 21284+3447 COU1638 226 1.3 66
Show 21261+3457 TDT2962 238 2.4 70
Show 21308+3440 SEI1522 180 23.7 71
Show 21252+3629 CBL 93 56 12.9 71
Show 21244+3607 TDS1125 12 1.4 71
Show 21295+3438 TDT2993 246 0.5 71
Show 21345+3635 TDT3037 273 1.9 72
Show 21258+3640 FYM 124 CD 84 19.4 72
Show 21258+3640 S 790 AB 28 34.5 73
Show 21258+3640 S 790 AC 99 53.1 73
Show 21305+3701 SEI1521 AB 225 2.9 73
Show 21305+3701 GII 102 Aa,Ab 306 0.4 73
Show 21279+3439 TDT2980 235 2.3 75
Show 21349+3505 GRV 478 134 28.6 75
Show 21247+3631 ES 2126 AB 170 4.1 77
Show 21247+3631 WSI 23 AC 84 9.0 77
Show 21245+3632 ES 2125 AB 34 2.0 80
Show 21245+3632 SEI1512 AC 198 29.0 80
Show 21267+3438 SEI1515 43 10.6 83
Show 21232+3543 ALI 218 264 12.2 84
Show 21254+3446 TDS1128 18 1.3 85
Show 21367+3624 HLD 46 198 1.7 88
Show 21272+3428 TDT2975 259 2.1 88
Show 21235+3627 TDT2940 339 1.1 88
Show 21278+3715 SEI1518 143 15.5 91
Show 21356+3446 COU1481 178 0.5 93
Show 21264+3712 SEI1514 184 12.0 94
Show 21370+3628 GRV 484 216 66.1 95
Show 21252+3708 SEI1513 90 14.5 99
Show 21295+3728 SEI1519 181 13.8 99
Show 21221+3525 ES 2259 245 4.3 100

 
 
WDS 21300+3549 : COMPONENTS
 
 
  A
B pa=203.8°
sep=1.91"
 
 
21300+3549 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 213000.12+354904.2 Mag 11.53 PmRA 5.00
PmDE -3.0 Tycho2 2716-02497-1
Tycho2
Tycho2 2716-02497-1 Pflag RAmdeg 322.50049643 DEmdeg 35.81783951
PmRA 4.7 PmDE -2.9 E RAmdeg 43 E DEmdeg 39
E pmRA 2.3 E pmDE 2.3 EpRAm 1986.55 EpDEm 1987.67
Num 5 Q RAmdeg 1.8 Q DEmdeg 0.9 Q pmRA 1.8
Q pmDE 1.0 BTmag 11.855 E BTmag 0.062 VTmag 11.542
E VTmag 0.077 Prox 980 TYC HIP
CCDM RAdeg 322.50048611 DEdeg 35.81784750 EpRA 1990 1.67
EpDE 1990 1.73 E RAdeg 44.5 E DEdeg 39.7 Posflg
Corr 0.2
 
 
21300+3549 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 213000.06+354902.5 Mag 13.28 PmRA 5.00
PmDE -3.0 Calc delta mag 1.75 Calc coord yes