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Current system
20231+4405
TDT 2227


Nearby doubles
26' : 20253+4355
A 291AB

32' : 20205+4351
BU 1207AB

33' : 20211+4341
A 46AB

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TDT2215

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HJ 1505

39' : 20210+4437
A 725

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ES 1330

41' : 20266+4350
TDT2273

42' : 20267+4353
FYM 258AB

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TDT2198

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ES 1331

54' : 20229+4311
L 34

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BRT2264

61' : 20187+4329
TDT2158

66' : 20190+4316
WFC 231

67' : 20229+4259
HO 128AB

68' : 20194+4500
TDS1058

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BRT2262

70' : 20195+4307
TDS1059

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ES 1440

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TDT2289

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TDT2320

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FOX 251

77' : 20282+4458
ES 661

77' : 20165+4339
ES 1439



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

20231+4405 TDT 2227

 
 
20h 23m 06.29s +44° 05' 06.9" P.A. 172.00 sep 0.5 mag 10.94,11.05
 
 
Coord 2000 20231+4405 Discov num TDT2227 Comp Coord arcsec 2000 20 23 06.29 +44 05 06.9
Date first 1991 Date last 1991 Obs 1
Pa first 172 Pa last 172 P.A. Now (θ) 172°
Sep first 0.5 Sep last 0.53 Sep. Now (ρ) 0.53"
Mag pri 10.94 Mag sec 11.05 delta mag (ΔM) 0.11 Spectral class
Pri motion ra -010 Sec motion ra -010
Pri motion dec -012 Sec motion dec -012
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 3164-00847-1 Gaia DR2 2069341498357137536
 
 
WDS 20231+4405 TDT 2227 : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
No records found.

 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20231+4405 TDT2227 1991 1 172 0.5 10.94 11.05 202306.29+440506.9

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

 
 
WDS 20231+4405 TDT 2227 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20231+4405 TDT 2227 : MEASURES
 
 
No records found.

 
 
WDS 20231+4405 : VIRTUAL EYEPIECE
 
 

20231+4405 TDT2227A mag 10.94 20231+4405 TDT2227B sep 0.5 P.A. 174.20 mag 11.05 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 20231+4405 : ALADIN DSS IMAGE @ 20h 23m 06.29s +44° 05' 06.9"
 
 
 
 
WDS 20231+4405 TDT 2227 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20231+4405 TDT2227 distance=0' 20253+4355 A 291AB distance=26' 20253+4355 A 291AC distance=26' 20205+4351 BU 1207AB distance=32' 20205+4351 TRN 29AC distance=32' 20205+4351 IOT 2Aa,Ab distance=32' 20211+4341 A 46AB distance=33' 20211+4341 A 46AB,C distance=33' 20224+4332 TDT2215 distance=35' 20212+4335 HJ 1505 distance=36' 20210+4437 A 725 distance=39' 20237+4442 ES 1330 distance=39' 20266+4350 TDT2273 distance=41' 20267+4353 FYM 258AB distance=42' 20267+4353 FYM 258AC distance=42' 20267+4353 FYM 258AD distance=42' 20210+4320 TDT2198 distance=51' 20240+4457 ES 1331 distance=53' 20229+4311 L 34 distance=54' 20272+4437 BRT2264 distance=54' 20187+4329 TDT2158 distance=61' 20229+4259 STTA207CD distance=66' 20190+4316 WFC 231 distance=66' 20229+4259 HO 128AB distance=67' 20229+4259 STTA207AC distance=67' 20194+4500 TDS1058 distance=68' 20219+4257 BRT2262 distance=70' 20195+4307 TDS1059 distance=70' 20169+4337 FOX 252 distance=73' 20179+4319 ES 1440 distance=73' 20275+4307 TDT2289 distance=75' 20295+4437 TDT2320 distance=76' 20167+4335 FOX 251 distance=76' 20282+4458 ES 661 distance=77' 20165+4339 ES 1439 distance=77' 20166+4437 TDT2135 distance=77' 20277+4507 BKO 154EK distance=79' 20303+4401 TDT2326 distance=79' 20276+4303 HDS2927 distance=79' 20277+4507 ROE 43AB distance=79' 20277+4507 ROE 43AC distance=79' 20277+4507 ROE 43AD distance=79' 20277+4507 ROE 43AE distance=79' 20277+4507 ROE 43AF distance=79' 20277+4507 ROE 43AG distance=79' 20277+4507 BKO 154AH distance=79' 20277+4507 BKO 154AI distance=79' 20277+4507 BKO 154CJ distance=79' 20217+4522 BRT2261 distance=80' 20302+4343 AG 407 distance=81' 20161+4432 BRT2258 distance=81' 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 20231+4405 TDT2227 172 0.5
Show 20253+4355 A 291 AB 148 0.8 26
Show 20253+4355 A 291 AC 284 18.1 26
Show 20205+4351 BU 1207 AB 211 4.8 32
Show 20205+4351 TRN 29 AC 202 2.3 32
Show 20205+4351 IOT 2 Aa,Ab 152 0.0 32
Show 20211+4341 A 46 AB 77 0.4 33
Show 20211+4341 A 46 AB,C 265 2.0 33
Show 20224+4332 TDT2215 91 0.9 35
Show 20212+4335 HJ 1505 111 16.7 36
Show 20210+4437 A 725 25 0.9 39
Show 20237+4442 ES 1330 309 3.6 39
Show 20266+4350 TDT2273 211 0.5 41
Show 20267+4353 FYM 258 AB 345 17.2 42
Show 20267+4353 FYM 258 AC 244 37.4 42
Show 20267+4353 FYM 258 AD 100 24.8 42
Show 20210+4320 TDT2198 3 1.8 51
Show 20240+4457 ES 1331 78 1.3 53
Show 20229+4311 L 34 174 4.5 54
Show 20272+4437 BRT2264 4 3.0 54
Show 20187+4329 TDT2158 164 1.8 61
Show 20229+4259 STTA207 CD 162 56.1 66
Show 20190+4316 WFC 231 331 7.4 66
Show 20229+4259 HO 128 AB 357 1.4 67
Show 20229+4259 STTA207 AC 65 85.8 67
Show 20194+4500 TDS1058 250 1.4 68
Show 20219+4257 BRT2262 129 2.5 70
Show 20195+4307 TDS1059 117 0.9 70
Show 20169+4337 FOX 252 246 18.6 73
Show 20179+4319 ES 1440 256 2.6 73
Show 20275+4307 TDT2289 346 2.0 75
Show 20295+4437 TDT2320 223 0.7 76
Show 20167+4335 FOX 251 279 5.5 76
Show 20282+4458 ES 661 156 6.9 77
Show 20165+4339 ES 1439 30 1.7 77
Show 20166+4437 TDT2135 38 0.9 77
Show 20277+4507 BKO 154 EK 109 4.7 79
Show 20303+4401 TDT2326 100 0.7 79
Show 20276+4303 HDS2927 292 0.2 79
Show 20277+4507 ROE 43 AB 317 17.4 79
Show 20277+4507 ROE 43 AC 312 52.6 79
Show 20277+4507 ROE 43 AD 271 42.4 79
Show 20277+4507 ROE 43 AE 282 82.9 79
Show 20277+4507 ROE 43 AF 336 87.1 79
Show 20277+4507 ROE 43 AG 282 102.4 79
Show 20277+4507 BKO 154 AH 224 18.4 79
Show 20277+4507 BKO 154 AI 63 24.2 79
Show 20277+4507 BKO 154 CJ 331 17.9 79
Show 20217+4522 BRT2261 272 4.5 80
Show 20302+4343 AG 407 231 7.0 81
Show 20161+4432 BRT2258 6 2.8 81

 
 
WDS 20231+4405 : COMPONENTS
 
 
  A
B pa=174.2°
sep=0.53"
 
 
20231+4405 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 202306.29+440506.9 Mag 10.94 PmRA -10.00
PmDE -12.0 Tycho2 3164-00847-1
Tycho2
Tycho2 3164-00847-1 Pflag RAmdeg 305.77620282 DEmdeg 44.08517751
PmRA -9.9 PmDE -12.1 E RAmdeg 24 E DEmdeg 27
E pmRA 1.3 E pmDE 1.3 EpRAm 1985.95 EpDEm 1985.65
Num 6 Q RAmdeg 1.2 Q DEmdeg 0.8 Q pmRA 1.2
Q pmDE 0.8 BTmag 11.653 E BTmag 0.070 VTmag 10.361
E VTmag 0.037 Prox 999 TYC T HIP
CCDM RAdeg 305.77624111 DEdeg 44.08520694 EpRA 1990 1.71
EpDE 1990 1.75 E RAdeg 31.3 E DEdeg 30.7 Posflg
Corr 0.0
 
 
20231+4405 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 202306.29+440506.4 Mag 11.05 PmRA -10.00
PmDE -12.0 Calc delta mag 0.11 Calc coord yes