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Doubles in session


Current system
21215+3719
ROE 23 CD


Nearby doubles
18' : 21221+3734
ES 2517

29' : 21238+3721
STFA 55AB

29' : 21226+3744
COU1820

31' : 21215+3648
TDT2919

31' : 21196+3656
TDT2905

36' : 21195+3745
TDT2904

38' : 21231+3647
ES 2124

40' : 21241+3741
SEI1458

40' : 21228+3754
WIS 349

40' : 21243+3740
WSI 7

42' : 21249+3711
TDS1126

46' : 21252+3708
SEI1513

48' : 21184+3749
SEI1495

49' : 21174+3711
SEI1491

49' : 21233+3801
ES 2519

57' : 21235+3627
TDT2940

57' : 21168+3729
TDT2880

57' : 21233+3810
ALI 690

59' : 21245+3632
ES 2125AB

60' : 21168+3659
TDT2881

60' : 21264+3712
SEI1514

62' : 21199+3815
ES 2062

62' : 21247+3631
ES 2126AB

62' : 21194+3814
HO 286AB

65' : 21186+3624
CRB 140

65' : 21258+3640
S 790AB



Selections
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Binary Systems
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Quadruple Systems
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Neglected List I
Neglected List II
Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

21215+3719 ROE 23 CD

 
 
21h 21m 27.78s +37° 17' 47.9" P.A. 261.00 sep 13.1 mag 11.42,11.82
 
 
Coord 2000 21215+3719 Discov num ROE  23 Comp CD Coord arcsec 2000 21 21 27.78 +37 17 47.9
Date first 1909 Date last 2015 Obs 11
Pa first 266 Pa last 260.8 P.A. Now (θ) 260.8°
Sep first 10.0 Sep last 13.09 Sep. Now (ρ) 13.09"
Mag pri 11.42 Mag sec 11.82 delta mag (ΔM) 0.4 Spectral class
Pri motion ra -005 Sec motion ra -017
Pri motion dec +004 Sec motion dec -011
Notes
rPM=0.949
This double is not physical.
 
 
21215+3719 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 21 21 33 +37 17 52 ROE 24 AB 2015 10 168 10.3 11.98 11.53 0.45
Show 21 21 33 +37 17 52 ROE 24 AC 2015 8 266 68.7 11.98 11.42 0.56
Show 21 21 33 +37 17 52 ROE 24 AD 2015 12 266 81.7 11.98 11.82 0.16
Show 21 21 28 +37 17 48 ROE 23 CD 2015 11 261 13.1 11.42 11.82 0.40 <===
Quadruple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Gaia DR2 1963914791568702720
 
 
WDS 21215+3719 ROE 23 CD : NOTES
 
 
No records found.

 
 
DISCOVERER
 
 
discov author
ROE Roe, E.D.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr dm_number notes coord_arcsec_2000
21215+3719 ROE 23 CD 1999 4 262 12.7 11.42 11.82 D 212127.78+371747.9
21215+3719 ROE 23 CD 2002 5 262 12.8 11.42 11.82 D 212127.78+371747.9
21215+3719 ROE 23 CD 2015 7 261 13.1 11.42 11.82 212127.78+371747.9

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

 
 
WDS 21215+3719 ROE 23 CD : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 21215+3719 ROE 23 CD : MEASURES
 
 
No records found.

 
 
WDS 21215+3719 : VIRTUAL EYEPIECE
 
 

21215+3719 ROE 24A mag 11.98 21215+3719 ROE 24B sep 10.3 P.A. 168.00 mag 11.53 21215+3719 ROE 23C sep 67.5 P.A. 266.70 mag 11.42 21215+3719 ROE 24D sep 81.7 P.A. 265.50 mag 11.82 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+3719 : ALADIN DSS IMAGE @ 21h 21m 27.78s +37° 17' 47.9"
 
 
 
 
WDS 21215+3719 ROE 23 CD : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

21215+3719 ROE 23CD distance=1' 21215+3719 ROE 24AB distance=2' 21215+3719 ROE 24AD distance=2' 21215+3719 ROE 24AC distance=2' 21221+3734 ES 2517 distance=18' 21238+3721 STFA 55AB distance=29' 21238+3721 STFA 55AC distance=29' 21238+3721 STFA 55AF distance=29' 21226+3744 COU1820 distance=29' 21238+3721 STFA 55CD distance=30' 21238+3721 STFA 55CE distance=30' 21215+3648 TDT2919 distance=31' 21196+3656 TDT2905 distance=31' 21195+3745 TDT2904 distance=36' 21231+3647 ES 2124 distance=38' 21241+3741 SEI1458 distance=40' 21228+3754 WIS 349 distance=40' 21243+3740 WSI 7 distance=40' 21249+3711 TDS1126 distance=42' 21252+3708 SEI1513 distance=46' 21184+3749 SEI1495 distance=48' 21174+3711 SEI1491 distance=49' 21233+3801 ES 2519 distance=49' 21235+3627 TDT2940 distance=57' 21168+3729 TDT2880 distance=57' 21233+3810 ALI 690 distance=57' 21245+3632 ES 2125AB distance=59' 21245+3632 SEI1512AC distance=59' 21168+3659 TDT2881 distance=60' 21264+3712 SEI1514 distance=60' 21199+3815 ES 2062 distance=62' 21247+3631 ES 2126AB distance=62' 21247+3631 WSI 23AC distance=62' 21194+3814 HO 286AB distance=62' 21194+3814 CIA 5Aa,Ab distance=62' 21194+3814 KRV 42AC distance=62' 21186+3624 CRB 140 distance=65' 21258+3640 S 790AB distance=65' 21258+3640 S 790AC distance=65' 21268+3731 COU1821Da,Db distance=65' 21258+3640 FYM 124CD distance=65' 21268+3731 SEI1516AB distance=65' 21268+3731 HEI9004AC distance=65' 21268+3731 HEI9004AD distance=65' 21202+3818 PTT 18 distance=66' 21231+3821 ALI 689 distance=66' 21252+3629 CBL 93 distance=67' 21173+3806 TOI1320 distance=70' 21156+3715 HO 285AB distance=71' 21156+3715 WAL 138AC distance=71' 21161+3747 COU1819 distance=71' 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+3719 ROE 23 CD 261 13.1 1
Show 21215+3719 ROE 24 AB 168 10.3 2
Show 21215+3719 ROE 24 AD 266 81.7 2
Show 21215+3719 ROE 24 AC 266 68.7 2
Show 21221+3734 ES 2517 115 5.3 18
Show 21238+3721 STFA 55 AB 304 364.1 29
Show 21238+3721 STFA 55 AC 154 178.3 29
Show 21238+3721 STFA 55 AF 201 22.8 29
Show 21226+3744 COU1820 319 1.4 29
Show 21238+3721 STFA 55 CD 183 12.8 30
Show 21238+3721 STFA 55 CE 320 17.7 30
Show 21215+3648 TDT2919 37 3.8 31
Show 21196+3656 TDT2905 342 5.0 31
Show 21195+3745 TDT2904 216 2.0 36
Show 21231+3647 ES 2124 263 7.6 38
Show 21241+3741 SEI1458 312 7.9 40
Show 21228+3754 WIS 349 176 44.9 40
Show 21243+3740 WSI 7 44 0.1 40
Show 21249+3711 TDS1126 314 1.9 42
Show 21252+3708 SEI1513 90 14.5 46
Show 21184+3749 SEI1495 273 14.8 48
Show 21174+3711 SEI1491 294 14.7 49
Show 21233+3801 ES 2519 224 6.5 49
Show 21235+3627 TDT2940 339 1.1 57
Show 21168+3729 TDT2880 154 2.1 57
Show 21233+3810 ALI 690 65 8.8 57
Show 21245+3632 ES 2125 AB 34 2.0 59
Show 21245+3632 SEI1512 AC 198 29.0 59
Show 21168+3659 TDT2881 130 0.5 60
Show 21264+3712 SEI1514 184 12.0 60
Show 21199+3815 ES 2062 327 4.0 62
Show 21247+3631 ES 2126 AB 170 4.1 62
Show 21247+3631 WSI 23 AC 84 9.0 62
Show 21194+3814 HO 286 AB 237 0.2 62
Show 21194+3814 CIA 5 Aa,Ab 230 0.0 62
Show 21194+3814 KRV 42 AC 256 65.7 62
Show 21186+3624 CRB 140 18 12.5 65
Show 21258+3640 S 790 AB 28 34.5 65
Show 21258+3640 S 790 AC 99 53.1 65
Show 21268+3731 COU1821 Da,Db 96 0.7 65
Show 21258+3640 FYM 124 CD 84 19.4 65
Show 21268+3731 SEI1516 AB 335 3.9 65
Show 21268+3731 HEI9004 AC 275 25.5 65
Show 21268+3731 HEI9004 AD 335 110.2 65
Show 21202+3818 PTT 18 124 6.6 66
Show 21231+3821 ALI 689 107 14.6 66
Show 21252+3629 CBL 93 56 12.9 67
Show 21173+3806 TOI1320 50 0.3 70
Show 21156+3715 HO 285 AB 22 9.2 71
Show 21156+3715 WAL 138 AC 29 57.3 71
Show 21161+3747 COU1819 329 0.7 71

 
 
WDS 21215+3719 : COMPONENTS
 
 
  A B C
B pa=168.0°
sep=10.30"
 
C pa=266.7°
sep=67.53"
pa=275.1°
sep=69.84"
 
D pa=265.5°
sep=81.70"
pa=272.5°
sep=83.67"
pa=259.9°
sep=14.25"
 
 
21215+3719 A
 
 
Coord arcsec 2000 212133.43+371751.8 Mag 11.98 PmRA -7.00 PmDE -20.0
 
 
21215+3719 B
 
 
Coord arcsec 2000 212133.61+371741.7 Mag 11.53 PmRA 5.00 PmDE -8.0
Delta magnitude 0.45 Coordinate calculated yes
 
 
21215+3719 C
 
 
Coord arcsec 2000 212127.78+371747.9 Coord calc 212127.78+371747.9 Mag 11.42 PmRA -5.00
PmDE 4.0 Delta magnitude 0.56
 
 
21215+3719 D
 
 
Coord arcsec 2000 212126.60+371745.4 Mag 11.82 PmRA -17.00 PmDE -11.0
Delta magnitude 0.16 Coordinate calculated yes