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Doubles in session


Current system
21099+4422
STF 2772


Nearby doubles
11' : 21108+4417
A 882

21' : 21118+4417
TDT2812

22' : 21103+4359
STF2773AB

23' : 21101+4359
HJ 1618AB

23' : 21079+4430
LDS2490

23' : 21120+4419
TDT2816

35' : 21073+4440
A 881

39' : 21112+4346
ES 1454AB

42' : 21136+4433
ES 1333

44' : 21080+4500
TDT2774

47' : 21139+4438
TDT2839

48' : 21080+4504
SMA 126

49' : 21071+4459
LDS2489

49' : 21061+4448
ROE 45AB

49' : 21139+4400
COU2299

52' : 21137+4453
LDS2498

56' : 21051+4444
SMA 124

56' : 21100+4326
ES 1453

59' : 21075+4515
HJ 1615

60' : 21058+4341
BU 679

67' : 21071+4322
ES 1452

70' : 21111+4530
BRT1146AB

71' : 21161+4444
MCN 2

71' : 21086+4312
GRV 423

71' : 21152+4339
LDS2501

73' : 21145+4329
J 610



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

21099+4422 STF 2772

 
 
21h 09m 54.83s +44° 21' 30.9" P.A. 224.00 sep 12.4 mag 9.51,10.93 Sp M1
 
 
Coord 2000 21099+4422 Discov num STF2772 Comp Coord arcsec 2000 21 09 54.83 +44 21 30.9
Date first 1895 Date last 2016 Obs 17
Pa first 230 Pa last 224.2 P.A. Now (θ) 224.2°
Sep first 10.9 Sep last 12.437 Sep. Now (ρ) 12.437"
Mag pri 9.51 Mag sec 10.93 delta mag (ΔM) 1.42 Spectral class M1 (red)
Pri motion ra -125 Sec motion ra -006
Pri motion dec -005 Sec motion dec -003
Notes
rPM=0.951
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus SAO 50520 Tycho2 3180-00249-1 Gaia DR2 1970285636829305344
GC 29595
 
 
WDS 21099+4422 STF 2772 : NOTES
 
 
No records found.

 
 
DISCOVERER
 
 
discov author
STF (F. Struve DD - Appendix list #1)
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr dm_number notes coord_arcsec_2000
21099+4422 STF2772 1998 11 225 12.2 9.51 10.93 M1 +43 3823 D 210954.83+442130.9
21099+4422 STF2772 2002 12 226 12.2 9.51 10.93 M1 +43 3823 D 210954.83+442130.9
21099+4422 STF2772 2016 13 225 12.4 9.51 10.93 M1 +43 3823 210954.83+442130.9

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

 
 
WDS 21099+4422 STF 2772 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 21099+4422 STF 2772 : MEASURES
 
 
No records found.

 
 
WDS 21099+4422 : VIRTUAL EYEPIECE
 
 

21099+4422 STF2772A mag 9.51 Sp M1 21099+4422 STF2772B sep 12.4 P.A. 224.20 mag 10.93 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 21099+4422 : ALADIN DSS IMAGE @ 21h 09m 54.83s +44° 21' 30.9"
 
 
 
 
WDS 21099+4422 STF 2772 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

21099+4422 STF2772 distance=0' 21108+4417 A 882 distance=11' 21118+4417 TDT2812 distance=21' 21103+4359 STF2773AB distance=22' 21103+4359 STF2773AC distance=22' 21103+4359 STF2773AD distance=22' 21103+4359 STF2773AE distance=22' 21101+4359 HJ 1618AB distance=23' 21079+4430 LDS2490 distance=23' 21101+4359 HJ 1618BC distance=23' 21103+4359 STF2773EF distance=23' 21120+4419 TDT2816 distance=23' 21073+4440 A 881 distance=35' 21112+4346 ES 1454AB distance=39' 21112+4346 ES 1454BC distance=40' 21136+4433 ES 1333 distance=42' 21080+4500 TDT2774 distance=44' 21139+4438 TDT2839 distance=47' 21080+4504 SMA 126 distance=48' 21071+4459 LDS2489 distance=49' 21061+4448 ROE 45AB distance=49' 21061+4448 ROE 45AD distance=49' 21139+4400 COU2299 distance=49' 21061+4448 ROE 45DE distance=50' 21061+4448 ROE 45BC distance=51' 21061+4448 ROE 45BF distance=51' 21061+4448 TDT2745Ca,Cb distance=52' 21061+4448 ROE 45CD distance=52' 21137+4453 LDS2498 distance=52' 21051+4444 SMA 124 distance=56' 21100+4326 ES 1453 distance=56' 21075+4515 HJ 1615 distance=59' 21058+4341 BU 679 distance=60' 21071+4322 ES 1452 distance=67' 21111+4530 BRT1146AB distance=70' 21111+4530 BRT1146Aa,Ab distance=70' 21111+4530 BRT1146AC distance=70' 21161+4444 MCN 2 distance=71' 21086+4312 GRV 423 distance=71' 21152+4339 LDS2501 distance=71' 21145+4329 J 610 distance=73' 21053+4328 LDS2486 distance=73' 21069+4314 TDT2759 distance=75' 21166+4448 ES 97 distance=76' 21105+4538 BRT1145 distance=77' 21166+4357 BRT1147 distance=77' 21148+4518 TDT2855 distance=77' 21062+4315 DAM1460 distance=78' 21064+4314 LDS2488 distance=78' 21105+4300 VKI 39 distance=82' 21169+4456 A 885 distance=82' 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 21099+4422 STF2772 224 12.4 0
Show 21108+4417 A 882 228 2.6 11
Show 21118+4417 TDT2812 258 0.5 21
Show 21103+4359 STF2773 AB 112 3.3 22
Show 21103+4359 STF2773 AC 64 20.3 22
Show 21103+4359 STF2773 AD 262 29.4 22
Show 21103+4359 STF2773 AE 149 52.2 22
Show 21101+4359 HJ 1618 AB 174 21.7 23
Show 21079+4430 LDS2490 190 12.6 23
Show 21101+4359 HJ 1618 BC 132 2.9 23
Show 21103+4359 STF2773 EF 41 10.7 23
Show 21120+4419 TDT2816 89 0.3 23
Show 21073+4440 A 881 218 4.3 35
Show 21112+4346 ES 1454 AB 111 66.8 39
Show 21112+4346 ES 1454 BC 285 3.2 40
Show 21136+4433 ES 1333 296 1.6 42
Show 21080+4500 TDT2774 173 1.8 44
Show 21139+4438 TDT2839 352 1.2 47
Show 21080+4504 SMA 126 18 8.9 48
Show 21071+4459 LDS2489 255 16.0 49
Show 21061+4448 ROE 45 AB 286 134.5 49
Show 21061+4448 ROE 45 AD 241 131.8 49
Show 21139+4400 COU2299 33 0.4 49
Show 21061+4448 ROE 45 DE 6 27.5 50
Show 21061+4448 ROE 45 BC 238 123.3 51
Show 21061+4448 ROE 45 BF 312 10.8 51
Show 21061+4448 TDT2745 Ca,Cb 116 0.6 52
Show 21061+4448 ROE 45 CD 107 124.4 52
Show 21137+4453 LDS2498 316 13.0 52
Show 21051+4444 SMA 124 72 9.2 56
Show 21100+4326 ES 1453 67 5.3 56
Show 21075+4515 HJ 1615 277 14.4 59
Show 21058+4341 BU 679 72 0.7 60
Show 21071+4322 ES 1452 19 2.3 67
Show 21111+4530 BRT1146 AB 344 2.6 70
Show 21111+4530 BRT1146 Aa,Ab 38 0.3 70
Show 21111+4530 BRT1146 AC 243 4.8 70
Show 21161+4444 MCN 2 303 16.0 71
Show 21086+4312 GRV 423 212 62.4 71
Show 21152+4339 LDS2501 274 11.3 71
Show 21145+4329 J 610 26 3.3 73
Show 21053+4328 LDS2486 329 78.2 73
Show 21069+4314 TDT2759 119 0.5 75
Show 21166+4448 ES 97 290 7.5 76
Show 21105+4538 BRT1145 163 3.8 77
Show 21166+4357 BRT1147 0 2.6 77
Show 21148+4518 TDT2855 1 0.5 77
Show 21062+4315 DAM1460 284 2.4 78
Show 21064+4314 LDS2488 166 2.2 78
Show 21105+4300 VKI 39 236 1.3 82
Show 21169+4456 A 885 153 3.8 82

 
 
WDS 21099+4422 : COMPONENTS
 
 
  A
B pa=224.2°
sep=12.44"
 
 
21099+4422 A
 
 
Coord arcsec 2000 210954.83+442130.9 Mag 9.51 Spectral class M1 (red) PmRA -125.00
PmDE -5.0 SAO 50520 GC 29595 DM BD+43 3823
SAO
SAO 50520 DelFlag RA1950 PmRA1950 0
DE1950 PmDE1950 0.02 Vmag 8.7 SpType M1
Double code Source 70 CatNum 29595 DM BD+43 3823
DMcomp BDsup HD M HD
GC 29595 RA1950rad 5.53307673 DE1950rad 0.77063438 PmRA2000 0.0003
PmDE2000 0.017
 
 
21099+4422 B
 
 
Coord arcsec 2000 210954.02+442122.0 Mag 10.93 PmRA -6.00 PmDE -3.0
Delta magnitude 1.42 Coordinate calculated yes