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Doubles in session


Current system
21271+3627
SEI 1517


Nearby doubles
20' : 21285+3636
ALI 443

20' : 21283+3640
CRB 142

21' : 21258+3640
S 790AB

24' : 21252+3629
CBL 93

27' : 21295+3635
ES 2128AB

30' : 21296+3625
ES 258AB

30' : 21247+3631
ES 2126AB

31' : 21294+3640
CRB 16

33' : 21245+3632
ES 2125AB

40' : 21244+3607
TDS1125

45' : 21235+3627
TDT2940

46' : 21264+3712
SEI1514

48' : 21252+3708
SEI1513

49' : 21278+3715
SEI1518

51' : 21231+3647
ES 2124

52' : 21300+3549
TDT2998

52' : 21249+3711
TDS1126

53' : 21305+3701
SEI1521AB

54' : 21311+3652
HJ 1653

60' : 21261+3529
POP 49

65' : 21268+3731
SEI1516AB

66' : 21232+3543
ALI 218

68' : 21295+3728
SEI1519

68' : 21238+3721
STFA 55AB

71' : 21215+3648
TDT2919

74' : 21215+3600
TDT2920



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

21271+3627 SEI 1517

 
 
21h 27m 08.90s +36° 27' 03.0" P.A. 80.00 sep 16.3 mag 12.39,10.98
 
 
Coord 2000 21271+3627 Discov num SEI1517 Comp Coord arcsec 2000 21 27 08.90 +36 27 03.0
Date first 1895 Date last 2015 Obs 12
Pa first 78 Pa last 80.4 P.A. Now (θ) 80.4°
Sep first 15.4 Sep last 16.348 Sep. Now (ρ) 16.348"
Mag pri 12.39 Mag sec 10.98 delta mag (ΔM) 1.41 Spectral class
Pri motion ra -008 Sec motion ra +008
Pri motion dec -004 Sec motion dec -003
Notes
rPM=1.792
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 2716-02817-1 Gaia DR2 1951692104917021568
 
 
WDS 21271+3627 SEI 1517 : 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
21271+3627 SEI1517 2000 7 80 16.2 12.39 10.98 D 212708.90+362703.0
21271+3627 SEI1517 2002 8 80 16.2 12.39 10.98 D 212708.90+362703.0
21271+3627 SEI1517 2010 9 81 15.9 12.39 10.98 212708.90+362703.0
21271+3627 SEI1517 2015 10 80 16.3 12.39 10.98 212708.90+362703.0

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

 
 
WDS 21271+3627 SEI 1517 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 21271+3627 SEI 1517 : MEASURES
 
 
No records found.

 
 
WDS 21271+3627 : VIRTUAL EYEPIECE
 
 

21271+3627 SEI1517A mag 12.39 21271+3627 SEI1517B sep 13.2 P.A. 78.10 mag 10.98 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 21271+3627 : ALADIN DSS IMAGE @ 21h 27m 08.90s +36° 27' 03.0"
 
 
 
 
WDS 21271+3627 SEI 1517 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

21271+3627 SEI1517 distance=0' 21285+3636 ALI 443 distance=20' 21283+3640 CRB 142 distance=20' 21258+3640 FYM 124CD distance=21' 21258+3640 S 790AB distance=21' 21258+3640 S 790AC distance=21' 21252+3629 CBL 93 distance=24' 21295+3635 ES 2128AB distance=27' 21295+3635 ES 2128AC distance=27' 21296+3625 ES 258AB distance=30' 21247+3631 ES 2126AB distance=30' 21247+3631 WSI 23AC distance=30' 21296+3625 ES 258BC distance=30' 21294+3640 CRB 16 distance=31' 21245+3632 ES 2125AB distance=33' 21245+3632 SEI1512AC distance=33' 21244+3607 TDS1125 distance=40' 21235+3627 TDT2940 distance=45' 21264+3712 SEI1514 distance=46' 21252+3708 SEI1513 distance=48' 21278+3715 SEI1518 distance=49' 21231+3647 ES 2124 distance=51' 21300+3549 TDT2998 distance=52' 21249+3711 TDS1126 distance=52' 21305+3701 SEI1521AB distance=53' 21305+3701 GII 102Aa,Ab distance=53' 21311+3652 HJ 1653 distance=54' 21261+3529 POP 49 distance=60' 21268+3731 SEI1516AB distance=65' 21268+3731 HEI9004AC distance=65' 21268+3731 HEI9004AD distance=65' 21238+3721 STFA 55CD distance=65' 21238+3721 STFA 55CE distance=65' 21232+3543 ALI 218 distance=66' 21268+3731 COU1821Da,Db distance=66' 21295+3728 SEI1519 distance=68' 21238+3721 STFA 55AB distance=68' 21238+3721 STFA 55AC distance=68' 21238+3721 STFA 55AF distance=68' 21215+3648 TDT2919 distance=71' 21215+3600 TDT2920 distance=74' 21316+3535 TDS1132 distance=76' 21299+3519 TDT2996 distance=77' 21328+3546 SEI1524 distance=80' 21284+3745 TDT2983 distance=80' 21243+3740 WSI 7 distance=81' 21241+3741 SEI1458 distance=82' 21317+3730 GRV 474 distance=84' 21215+3719 ROE 24AB distance=85' 21215+3719 ROE 24AD distance=85' 21215+3719 ROE 24AC distance=85' 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 21271+3627 SEI1517 80 16.3
Show 21285+3636 ALI 443 298 4.3 20
Show 21283+3640 CRB 142 46 25.7 20
Show 21258+3640 FYM 124 CD 84 19.4 21
Show 21258+3640 S 790 AB 28 34.5 21
Show 21258+3640 S 790 AC 99 53.1 21
Show 21252+3629 CBL 93 56 12.9 24
Show 21295+3635 ES 2128 AB 304 7.2 27
Show 21295+3635 ES 2128 AC 101 24.9 27
Show 21296+3625 ES 258 AB 36 9.8 30
Show 21247+3631 ES 2126 AB 170 4.1 30
Show 21247+3631 WSI 23 AC 84 9.0 30
Show 21296+3625 ES 258 BC 10 19.7 30
Show 21294+3640 CRB 16 56 111.6 31
Show 21245+3632 ES 2125 AB 34 2.0 33
Show 21245+3632 SEI1512 AC 198 29.0 33
Show 21244+3607 TDS1125 12 1.4 40
Show 21235+3627 TDT2940 339 1.1 45
Show 21264+3712 SEI1514 184 12.0 46
Show 21252+3708 SEI1513 90 14.5 48
Show 21278+3715 SEI1518 143 15.5 49
Show 21231+3647 ES 2124 263 7.6 51
Show 21300+3549 TDT2998 209 2.0 52
Show 21249+3711 TDS1126 314 1.9 52
Show 21305+3701 SEI1521 AB 225 2.9 53
Show 21305+3701 GII 102 Aa,Ab 306 0.4 53
Show 21311+3652 HJ 1653 195 19.5 54
Show 21261+3529 POP 49 205 4.8 60
Show 21268+3731 SEI1516 AB 335 3.9 65
Show 21268+3731 HEI9004 AC 275 25.5 65
Show 21268+3731 HEI9004 AD 335 109.8 65
Show 21238+3721 STFA 55 CD 183 12.8 65
Show 21238+3721 STFA 55 CE 320 17.7 65
Show 21232+3543 ALI 218 264 12.2 66
Show 21268+3731 COU1821 Da,Db 96 0.7 66
Show 21295+3728 SEI1519 181 13.8 68
Show 21238+3721 STFA 55 AB 304 364.1 68
Show 21238+3721 STFA 55 AC 154 178.3 68
Show 21238+3721 STFA 55 AF 201 22.8 68
Show 21215+3648 TDT2919 344 1.5 71
Show 21215+3600 TDT2920 147 0.6 74
Show 21316+3535 TDS1132 306 1.4 76
Show 21299+3519 TDT2996 122 1.3 77
Show 21328+3546 SEI1524 130 24.8 80
Show 21284+3745 TDT2983 111 0.5 80
Show 21243+3740 WSI 7 44 0.1 81
Show 21241+3741 SEI1458 312 7.9 82
Show 21317+3730 GRV 474 236 24.6 84
Show 21215+3719 ROE 24 AB 168 10.3 85
Show 21215+3719 ROE 24 AD 266 81.7 85
Show 21215+3719 ROE 24 AC 266 68.7 85

 
 
WDS 21271+3627 : COMPONENTS
 
 
  A
B pa=78.1°
sep=13.25"
 
 
21271+3627 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 212708.90+362703.0 Mag 12.39 PmRA -8.00
PmDE -4.0 Tycho2 2716-02817-1
Tycho2
Tycho2 2716-02817-1 Pflag RAmdeg 321.78710720 DEmdeg 36.45084998
PmRA -3.6 PmDE -1.8 E RAmdeg 73 E DEmdeg 69
E pmRA 2.7 E pmDE 2.5 EpRAm 1979.09 EpDEm 1979.18
Num 5 Q RAmdeg 1.2 Q DEmdeg 1.6 Q pmRA 1.2
Q pmDE 1.5 BTmag 12.806 E BTmag 0.183 VTmag 12.388
E VTmag 0.157 Prox 160 TYC HIP
CCDM RAdeg 321.78711444 DEdeg 36.45084750 EpRA 1990 1.72
EpDE 1990 1.72 E RAdeg 81.0 E DEdeg 75.8 Posflg
Corr 0.1
 
 
21271+3627 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 212709.97+362705.7 Mag 10.98 PmRA 8.00
PmDE -3.0 Tycho2 2716-00371-1 Calc delta mag 1.41 Calc coord yes
Tycho2
Tycho2 2716-00371-1 Pflag RAmdeg 321.79258631 DEmdeg 36.45162008
PmRA 6.9 PmDE -3.0 E RAmdeg 36 E DEmdeg 31
E pmRA 2.5 E pmDE 2.3 EpRAm 1986.46 EpDEm 1985.91
Num 6 Q RAmdeg 1.4 Q DEmdeg 1.4 Q pmRA 1.4
Q pmDE 1.4 BTmag 12.920 E BTmag 0.192 VTmag 10.977
E VTmag 0.051 Prox 160 TYC T HIP
CCDM RAdeg 321.79257556 DEdeg 36.45161417 EpRA 1990 1.75
EpDE 1990 1.73 E RAdeg 44.3 E DEdeg 41.8 Posflg
Corr 0.1