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Doubles in session


Current system
21206+4215
LDS 2511 AB


Nearby doubles
5' : 21206+4219
WSI 16

10' : 21208+4206
GRV 453

10' : 21202+4207
ES 1584

18' : 21197+4228
ES 1583AB

23' : 21213+4235
LDS2513

38' : 21207+4251
GRV 452

39' : 21183+4244
HJ 1634

40' : 21171+4206
TDT2883

40' : 21195+4253
FOX 259AB

43' : 21235+4147
TDT2939

44' : 21183+4140
COU2302AB

47' : 21214+4301
ES 1585AB

49' : 21209+4127
HO 156

51' : 21161+4224
ES 1582

52' : 21232+4258
COU2304AB

53' : 21199+4307
COU2439

54' : 21169+4140
POP 186AB

56' : 21218+4309
STT 438

56' : 21200+4308
LDS2509

57' : 21178+4302
A 616

58' : 21155+4205
TDT2861

59' : 21155+4202
HJL1106

62' : 21151+4227
COU2228

63' : 21261+4203
COU2307

67' : 21256+4138
A 618

67' : 21163+4129
ES 1688



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Binocular doubles
Binary Systems
Triple Systems
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Multiple Systems
Neglected List I
Neglected List II
Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

21206+4215 LDS 2511 AB

 
 
21h 20m 36.86s +42° 14' 54.2" P.A. 40.00 sep 3.0 mag 9.47,9.70 Sp F5
 
 
Coord 2000 21206+4215 Discov num LDS2511 Comp AB Coord arcsec 2000 21 20 36.86 +42 14 54.2
Date first 1954 Date last 1954 Obs 1
Pa first 40 Pa last 40 P.A. Now (θ) 40°
Sep first 3.0 Sep last 3 Sep. Now (ρ) 3"
Mag pri 9.47 Mag sec 9.70 delta mag (ΔM) 0.23 Spectral class F5 (yellow-white)
Pri motion ra -016 Sec motion ra
Pri motion dec -027 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
21206+4215 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 21 20 37 +42 14 54 LDS 2511 AB 1954 1 40 3.0 9.47 9.70 0.23 <===
Show 21 20 37 +42 14 54 LDS 2511 AC 2015 3 197 19.7 9.47 16.60 7.13
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 3190-00437-1 Gaia DR2 1968897808327498752
 
 
WDS 21206+4215 LDS 2511 AB : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
LDS Luyten p.m. catalog (from additional DD list) ...................
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21206+4215 LDS2511 AB 1954 1 40 3.0 9.47 9.70 F5 212036.86+421454.2

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

 
 
WDS 21206+4215 LDS 2511 AB : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 21206+4215 LDS 2511 AB : MEASURES
 
 
No records found.

 
 
WDS 21206+4215 : VIRTUAL EYEPIECE
 
 

21206+4215 LDS2511A mag 9.47 Sp F5 21206+4215 LDS2511B sep 2.7 P.A. 31.80 mag 9.7 21206+4215 LDS2511C sep 19.4 P.A. 192.40 mag 16.6 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 21206+4215 : ALADIN DSS IMAGE @ 21h 20m 36.86s +42° 14' 54.2"
 
 
 
 
WDS 21206+4215 LDS 2511 AB : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

21206+4215 LDS2511AB distance=0' 21206+4219 WSI 16 distance=5' 21208+4206 GRV 453 distance=10' 21202+4207 ES 1584 distance=10' 21197+4228 ES 1583AB distance=18' 21197+4228 ABH 144AD distance=18' 21197+4228 ABH 144AE distance=18' 21197+4228 ABH 144AF distance=18' 21197+4228 ABH 144AG distance=18' 21197+4228 ABH 144AH distance=18' 21197+4228 ABH 144AI distance=18' 21197+4228 ABH 144AJ distance=18' 21197+4228 ABH 144AK distance=18' 21197+4228 ES 1583AC distance=18' 21197+4228 ES 1583BC distance=18' 21213+4235 LDS2513 distance=23' 21207+4251 GRV 452 distance=38' 21183+4244 HJ 1634 distance=39' 21171+4206 TDT2883 distance=40' 21195+4253 FOX 259AB distance=40' 21235+4147 TDT2939 distance=43' 21183+4140 COU2302AB distance=44' 21183+4140 GII 30AB,C distance=44' 21214+4301 ES 1585BC distance=47' 21214+4301 ES 1585AB distance=47' 21214+4301 ES 1585AC distance=47' 21209+4127 HO 156 distance=49' 21161+4224 ES 1582 distance=51' 21232+4258 COU2304AB distance=52' 21232+4258 GII 32AB,C distance=52' 21199+4307 COU2439 distance=53' 21169+4140 POP 186CD distance=54' 21169+4140 POP 186AB distance=54' 21169+4140 POP 186AC distance=54' 21218+4309 STT 438 distance=56' 21200+4308 LDS2509 distance=56' 21178+4302 A 616 distance=57' 21155+4205 TDT2861 distance=58' 21155+4202 HJL1106 distance=59' 21151+4227 COU2228 distance=62' 21261+4203 COU2307 distance=63' 21256+4138 A 618 distance=67' 21163+4129 ES 1688 distance=67' 21192+4320 TDT2899 distance=67' 21157+4135 POP 170 distance=68' 21260+4144 BLL 54 distance=68' 21171+4312 A 401 distance=69' 21193+4108 TDT2901 distance=69' 21144+4219 ES 1581 distance=70' 21268+4228 A 619 distance=70' 21202+4325 BRT1148 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 21206+4215 LDS2511 AB 40 3.0
Show 21206+4215 LDS2511 AC 197 19.7
Show 21206+4219 WSI 16 149 8.2 5
Show 21208+4206 GRV 453 27 66.2 10
Show 21202+4207 ES 1584 116 5.4 10
Show 21197+4228 ES 1583 AB 238 13.0 18
Show 21197+4228 ABH 144 AD 112 64.4 18
Show 21197+4228 ABH 144 AE 219 27.2 18
Show 21197+4228 ABH 144 AF 245 62.8 18
Show 21197+4228 ABH 144 AG 238 82.9 18
Show 21197+4228 ABH 144 AH 22 41.7 18
Show 21197+4228 ABH 144 AI 117 69.6 18
Show 21197+4228 ABH 144 AJ 112 81.2 18
Show 21197+4228 ABH 144 AK 98 101.4 18
Show 21197+4228 ES 1583 AC 223 7.6 18
Show 21197+4228 ES 1583 BC 77 6.0 18
Show 21213+4235 LDS2513 246 7.1 23
Show 21207+4251 GRV 452 162 59.2 38
Show 21183+4244 HJ 1634 143 28.9 39
Show 21171+4206 TDT2883 112 0.9 40
Show 21195+4253 FOX 259 AB 307 12.5 40
Show 21235+4147 TDT2939 174 0.4 43
Show 21183+4140 COU2302 AB 63 1.3 44
Show 21183+4140 GII 30 AB,C 187 14.1 44
Show 21214+4301 ES 1585 BC 202 8.4 47
Show 21214+4301 ES 1585 AB 230 19.2 47
Show 21214+4301 ES 1585 AC 221 26.9 47
Show 21209+4127 HO 156 50 2.2 49
Show 21161+4224 ES 1582 134 3.5 51
Show 21232+4258 COU2304 AB 154 0.4 52
Show 21232+4258 GII 32 AB,C 49 5.4 52
Show 21199+4307 COU2439 266 0.8 53
Show 21169+4140 POP 186 CD 93 4.2 54
Show 21169+4140 POP 186 AB 297 10.7 54
Show 21169+4140 POP 186 AC 130 60.7 54
Show 21218+4309 STT 438 357 2.2 56
Show 21200+4308 LDS2509 176 1.9 56
Show 21178+4302 A 616 316 2.7 57
Show 21155+4205 TDT2861 287 2.4 58
Show 21155+4202 HJL1106 183 459.8 59
Show 21151+4227 COU2228 28 0.5 62
Show 21261+4203 COU2307 21 1.2 63
Show 21256+4138 A 618 276 0.6 67
Show 21163+4129 ES 1688 147 5.3 67
Show 21192+4320 TDT2899 136 0.6 67
Show 21157+4135 POP 170 75 1.4 68
Show 21260+4144 BLL 54 296 80.7 68
Show 21171+4312 A 401 318 0.4 69
Show 21193+4108 TDT2901 306 0.5 69
Show 21144+4219 ES 1581 50 4.6 70
Show 21268+4228 A 619 61 0.7 70

 
 
WDS 21206+4215 : COMPONENTS
 
 
  A B
B pa=31.8°
sep=2.71"
 
C pa=192.4°
sep=19.35"
pa=194.8°
sep=21.92"
 
 
21206+4215 A
 
 
Coord arcsec 2000 212036.86+421454.2 Mag 9.47 Spectral class F5 (yellow-white) PmRA -16.00
PmDE -27.0 Tycho2 3190-00437-1
Tycho2
Tycho2 3190-00437-1 Pflag RAmdeg 320.15359180 DEmdeg 42.24839385
PmRA -11.9 PmDE -23.6 E RAmdeg 12 E DEmdeg 11
E pmRA 1.3 E pmDE 1.2 EpRAm 1990.03 EpDEm 1990.17
Num 7 Q RAmdeg 0.9 Q DEmdeg 0.8 Q pmRA 0.8
Q pmDE 0.8 BTmag 10.055 E BTmag 0.024 VTmag 9.467
E VTmag 0.019 Prox 999 TYC T HIP
CCDM RAdeg 320.15362861 DEdeg 42.24844972 EpRA 1990 1.62
EpDE 1990 1.62 E RAdeg 12.7 E DEdeg 12.3 Posflg
Corr 0.1
CCDM
Ccdm 21206+4215 RComp Comp A Note1
Note2 Discov num DRAs 0.70 DDEs -4.9
R dRAs 10 Year Theta Rho
Obs 3 Vmag 10.3 Sp PmNote *
PmRA -30 PmDE -11 Dm number +41 4101 Cat1 BD
Name2 +42 2011 Cat2 AGK2/3 HD M HD
ADS BDS M ADS BDS N IDS IDS 21168N4149A
HIC
 
 
21206+4215 B
 
 
Coord arcsec 2000 212036.99+421456.5 Mag 9.7 Calc delta mag 0.23 Calc coord yes
CCDM
Ccdm 21206+4215 RComp Comp B Note1
Note2 Discov num LDS2511 DRAs DDEs
R dRAs Year 1954 Theta 40 Rho 3.0
Obs 1 Vmag 10.5 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 21168N4149B
HIC
 
 
21206+4215 C
 
 
Coord arcsec 2000 212036.48+421435.3 Mag 16.6 Calc delta mag 7.13 Calc coord yes
CCDM
Ccdm 21206+4215 RComp Comp C Note1
Note2 Discov num LDS2511 DRAs DDEs
R dRAs Year 1954 Theta 194 Rho 20.0
Obs 1 Vmag 17.4 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 21168N4149C
HIC