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Doubles in session


Current system
21258+3329
GYL 56
HD 204154


Nearby doubles
11' : 21262+3339
TDT2964

12' : 21267+3329
TDT2973

16' : 21265+3315
HJ 935AB

18' : 21268+3337
ES 2382

37' : 21271+3402
ES 2262

39' : 21242+3358
J 2346

40' : 21262+3249
GRV 467

41' : 21282+3355
TDT2982

46' : 21225+3311
KPP3369

47' : 21267+3413
ES 2261

49' : 21257+3241
GYL 55

49' : 21286+3255
TDT2984

49' : 21291+3357
ES 2263

54' : 21257+3422
GRV 465

60' : 21214+3321
J 3136

62' : 21272+3428
TDT2975

64' : 21207+3327
BU 446AB

65' : 21216+3253
GYL 54

65' : 21210+3304
J 1229

66' : 21302+3404
HJ 1652

66' : 21216+3409
RAO 452

70' : 21267+3438
SEI1515

70' : 21304+3250
ES 2318

76' : 21279+3439
TDT2980

77' : 21318+3338
KUI 124

77' : 21290+3224
ES 378AB



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

21258+3329 GYL 56 (HD 204154)

 
 
21h 25m 47.80s +33° 28' 55.9" P.A. 3.00 sep 16.3 mag 8.33,12.10 Sp B9 dist. 304.88 pc (994.52 l.y.)
 
 
Coord 2000 21258+3329 Discov num GYL  56 Comp Coord arcsec 2000 21 25 47.80 +33 28 55.9
Date first 1934 Date last 2015 Obs 11
Pa first 4 Pa last 2.5 P.A. Now (θ) 2.5°
Sep first 13.1 Sep last 16.34 Sep. Now (ρ) 16.34"
Mag pri 8.33 Mag sec 12.10 delta mag (ΔM) 3.77 Spectral class B9 (blue-white)
Pri motion ra -013 Sec motion ra -012
Pri motion dec -011 Sec motion dec -008
Notes N (See Notes)
rPM=0.186 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 204154 Constellation Cygnus SAO 71326 HIP 105813
Tycho2 2707-00239-1 Gaia DR2 1854309390838340992 HD 204154 BD BD+32 4156
Distance 304.88 Distance ly 994.52
 
 
WDS 21258+3329 GYL 56 (HD 204154) : NOTES
 
 
discov_num notes refcode
GYL 56 Hipparcos stochastic double solution.
 
 
REFERENCES
 
 
refcode metd author reference
Gyl1958 Pa j Goyal, A.N. 1958AJ.....63..147G
Gyl1958 AJ 63, 147, 1958
Gyl1962 Pa j Goyal, A.N. 1962MNRAS.123..413G
Gyl1962 MNRAS 123, 413, 1962
Gyl1964 Pa j Goyal, A.N. 1964MNRAS.127..215G
Gyl1964 MNRAS 127, 215, 1964
Gyl1966 Pa j Goyal, A.N. 1966MNRAS.133...15G
Gyl1966 MNRAS 133, 15, 1966
Gyl1968 Pa j Goyal, A.N. 1968AJ.....73..366G
Gyl1968 AJ 73, 366, 1968
Gyl1970 Pa j Goyal, A.N. 1970MNRAS.150..235G
Gyl1970 MNRAS 150, 235, 1970
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21258+3329 GYL 56 2002 4 360 17.7 8.00 10.50 B9 N D 212547.80+332855.9
21258+3329 GYL 56 2014 6 2 16.3 8.00 10.50 B9 N 212547.80+332855.9
21258+3329 GYL 56 2015 8 3 16.3 8.33 12.10 B9 N 212547.80+332855.9

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

 
 
WDS 21258+3329 GYL 56 (HD 204154) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 21258+3329 GYL 56 (HD 204154) : MEASURES
 
 
No records found.

 
 
WDS 21258+3329 (HD 204154) : VIRTUAL EYEPIECE
 
 

21258+3329 GYL 56A mag 8.33 Sp B9 21258+3329 GYL 56B sep 16.3 P.A. 2.10 mag 12.1 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 21258+3329 (HD 204154) : ALADIN DSS IMAGE @ 21h 25m 47.80s +33° 28' 55.9"
 
 
 
 
WDS 21258+3329 GYL 56 (HD 204154) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

21258+3329 GYL 56 distance=0' 21262+3339 TDT2964 distance=11' 21267+3329 TDT2973 distance=12' 21265+3315 HJ 935BC distance=16' 21265+3315 HJ 935AB distance=16' 21268+3337 ES 2382 distance=18' 21271+3402 ES 2262 distance=37' 21242+3358 J 2346 distance=39' 21262+3249 GRV 467 distance=40' 21282+3355 TDT2982 distance=41' 21225+3311 KPP3369 distance=46' 21267+3413 ES 2261 distance=47' 21257+3241 GYL 55 distance=49' 21286+3255 TDT2984 distance=49' 21291+3357 ES 2263 distance=49' 21257+3422 GRV 465 distance=54' 21214+3321 J 3136 distance=60' 21272+3428 TDT2975 distance=62' 21207+3327 BU 446AB distance=64' 21207+3327 BU 446AC distance=64' 21207+3327 FOX9035AD distance=64' 21216+3253 GYL 54 distance=65' 21210+3304 J 1229 distance=65' 21302+3404 HJ 1652 distance=66' 21216+3409 RAO 452 distance=66' 21267+3438 SEI1515 distance=70' 21304+3250 ES 2318 distance=70' 21279+3439 TDT2980 distance=76' 21318+3338 KUI 124 distance=77' 21290+3224 ES 378AB distance=77' 21290+3224 WAL 139AC distance=77' 21254+3446 TDS1128 distance=77' 21318+3349 STF2802 distance=78' 21197+3315 HO 155 distance=78' 21317+3302 GYL 63 distance=80' 21281+3214 SOZ 26 distance=81' 21322+3341 ES 2383 distance=82' 21322+3349 HEI 882 distance=82' 21206+3420 JNN 129 distance=83' 21217+3436 COU1334 distance=83' 21295+3438 TDT2993 distance=84' 21203+3240 GRV 449 distance=84' 21194+3306 J 1228 distance=84' 21284+3447 COU1638 distance=85' 21218+3230 HLM 40 distance=86' 21208+3227 STT 437AB distance=88' 21208+3227 STT 437AC distance=88' 21321+3412 HO 603BC distance=89' 21261+3457 TDT2962 distance=89' 21321+3412 HO 603AB distance=90' 21187+3348 HU 770 distance=91' 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 21258+3329 GYL 56 3 16.3
Show 21262+3339 TDT2964 258 0.4 11
Show 21267+3329 TDT2973 330 0.5 12
Show 21265+3315 HJ 935 BC 52 1.7 16
Show 21265+3315 HJ 935 AB 16 12.9 16
Show 21268+3337 ES 2382 257 7.7 18
Show 21271+3402 ES 2262 74 1.3 37
Show 21242+3358 J 2346 229 4.1 39
Show 21262+3249 GRV 467 338 60.2 40
Show 21282+3355 TDT2982 358 1.8 41
Show 21225+3311 KPP3369 47 1.8 46
Show 21267+3413 ES 2261 155 4.1 47
Show 21257+3241 GYL 55 163 5.8 49
Show 21286+3255 TDT2984 38 0.5 49
Show 21291+3357 ES 2263 28 2.8 49
Show 21257+3422 GRV 465 6 51.1 54
Show 21214+3321 J 3136 179 8.1 60
Show 21272+3428 TDT2975 259 2.1 62
Show 21207+3327 BU 446 AB 258 3.2 64
Show 21207+3327 BU 446 AC 214 70.8 64
Show 21207+3327 FOX9035 AD 109 74.2 64
Show 21216+3253 GYL 54 137 22.2 65
Show 21210+3304 J 1229 305 2.2 65
Show 21302+3404 HJ 1652 26 15.4 66
Show 21216+3409 RAO 452 214 3.7 66
Show 21267+3438 SEI1515 43 10.6 70
Show 21304+3250 ES 2318 78 3.7 70
Show 21279+3439 TDT2980 235 2.3 76
Show 21318+3338 KUI 124 143 4.2 77
Show 21290+3224 ES 378 AB 203 9.5 77
Show 21290+3224 WAL 139 AC 251 41.6 77
Show 21254+3446 TDS1128 18 1.3 77
Show 21318+3349 STF2802 9 3.9 78
Show 21197+3315 HO 155 38 2.0 78
Show 21317+3302 GYL 63 306 15.7 80
Show 21281+3214 SOZ 26 11 12.3 81
Show 21322+3341 ES 2383 44 5.2 82
Show 21322+3349 HEI 882 182 2.0 82
Show 21206+3420 JNN 129 213 0.1 83
Show 21217+3436 COU1334 148 0.8 83
Show 21295+3438 TDT2993 246 0.5 84
Show 21203+3240 GRV 449 327 64.2 84
Show 21194+3306 J 1228 281 3.7 84
Show 21284+3447 COU1638 226 1.3 85
Show 21218+3230 HLM 40 23 15.5 86
Show 21208+3227 STT 437 AB 19 2.5 88
Show 21208+3227 STT 437 AC 144 79.6 88
Show 21321+3412 HO 603 BC 276 3.6 89
Show 21261+3457 TDT2962 238 2.4 89
Show 21321+3412 HO 603 AB 251 80.6 90
Show 21187+3348 HU 770 314 0.9 91

 
 
WDS 21258+3329 : COMPONENTS
 
 
  A
B pa=2.1°
sep=16.34"
 
 
21258+3329 A
 
 
Componente originario normalizzato AB Name HD 204154 Coord arcsec 2000 212547.80+332855.9 Mag 8.33
Spectral class B9 (blue-white) PmRA -13.00 PmDE -11.0 SAO 71326
HIP 105813 Tycho2 2707-00239-1 HD 204154 BD BD+32 4156
Tycho2
Tycho2 2707-00239-1 Pflag RAmdeg 321.44913548 DEmdeg 33.48216323
PmRA -13.0 PmDE -9.2 E RAmdeg 5 E DEmdeg 4
E pmRA 1.4 E pmDE 1.4 EpRAm 1991.17 EpDEm 1991.48
Num 8 Q RAmdeg 1.0 Q DEmdeg 1.2 Q pmRA 1.1
Q pmDE 1.4 BTmag 8.374 E BTmag 0.015 VTmag 8.329
E VTmag 0.010 Prox 999 TYC T HIP 105813
CCDM RAdeg 321.44917306 DEdeg 33.48218472 EpRA 1990 1.45
EpDE 1990 1.60 E RAdeg 4.6 E DEdeg 4.2 Posflg
Corr 0.2
SAO
SAO 71326 DelFlag RA1950 PmRA1950 0
DE1950 PmDE1950 -0.006 Vmag 8.1 SpType G0
Double code Source 6 CatNum 2107 DM BD+32 4156
DMcomp BDsup HD 204154 M HD 0
GC RA1950rad 5.60117364 DE1950rad 0.58059043 PmRA2000 0.0002
PmDE2000 -0.009
Hipparcos
Catalog H HIP 105813 Proxy RAhms 21 25 47.80
DEdms +33 28 55.9 Vmag 8.31 VarFlag 2 R Vmag H
RAdeg 321.449 DEdeg 33.4822 AstroRef Plx 2.6
CCDM 21258+3329 N CCDM I Nsys 1 Ncomp 1
MultFlag X Source Qual M HIP
Theta Rho HD 204154 BD BD+32 4156
CD CP Dm number +32 4156 VIred 0.03
SpType B9 R SpType Coord arcsec 2000 212547.80+332855.9
Hipparcos 2
HIP 105813 Sn 5 So 2 Nc 1
RArad 5.6103464324 DErad 0.5843743724 Plx 3.28 PmRA -12.55
PmDE -11.38 E RArad 0.44 E DErad 0.61 E Plx 0.9
E pmRA 0.51 E pmDE 0.65 Hpmag 8.329 E Hpmag 0.0013
SHp 0.019 VA 2 BV 0.043 E BV 0.01
VI 0.06
CCDM
Ccdm 21258+3329 RComp Comp A Note1
Note2 Discov num DRAs -0.19 DDEs -4.1
R dRAs 10 Year Theta Rho
Obs 2 Vmag 8.0 Sp B9 PmNote *
PmRA -8 PmDE -4 Dm number +32 4156 Cat1 BD
Name2 +33 2107 Cat2 AGK2/3 HD 204154 M HD
ADS BDS M ADS BDS N IDS IDS 21216N3303A
HIC 105813
 
 
21258+3329 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 212547.85+332912.2 Mag 12.1 PmRA -12.00
PmDE -8.0 Calc delta mag 3.77 Calc coord yes
CCDM
Ccdm 21258+3329 RComp Comp B Note1
Note2 Discov num GYL 56 DRAs DDEs
R dRAs Year 1934 Theta 4 Rho 13.0
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 21216N3303B
HIC