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Doubles in session


Current system
21218+3230
HLM 40


Nearby doubles
3' : 21208+3227
STT 437AB

6' : 21207+3226
POP 201

13' : 21203+3240
GRV 449

25' : 21216+3253
GYL 54

34' : 21182+3227
GRV 444

36' : 21210+3304
J 1229

38' : 21226+3158
HJ 1637AB

39' : 21230+3202
HO 157

42' : 21194+3306
J 1228

46' : 21225+3311
KPP3369

49' : 21197+3315
HO 155

49' : 21229+3149
J 2344

50' : 21214+3321
J 3136

53' : 21198+3138
GRV 445

53' : 21174+3203
HJ 931

54' : 21229+3142
GRV 458

54' : 21231+3144
HDS3046AB

54' : 21223+3139
ES 377AB

56' : 21171+3203
FOX9054

58' : 21207+3327
BU 446AB

62' : 21257+3241
GYL 55

64' : 21160+3217
SEI1482

69' : 21237+3131
GRV 460

70' : 21225+3123
KPP1063

71' : 21262+3249
GRV 467

72' : 21158+3159
TDT2868



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

21218+3230 HLM 40

 
 
21h 20m 56.20s +32° 29' 31.5" P.A. 23.00 sep 15.5 mag 11.80,12.60
 
 
Coord 2000 21218+3230 Discov num HLM  40 Comp Coord arcsec 2000 21 20 56.20 +32 29 31.5
Date first 1925 Date last 2015 Obs 12
Pa first 18 Pa last 22.9 P.A. Now (θ) 22.9°
Sep first 13.5 Sep last 15.529 Sep. Now (ρ) 15.529"
Mag pri 11.80 Mag sec 12.60 delta mag (ΔM) 0.8 Spectral class
Pri motion ra -023 Sec motion ra -007
Pri motion dec -019 Sec motion dec -002
Notes N (See Notes)
rPM=0.783
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 2707-02258-1 Gaia DR2 1854534172240054656
 
 
WDS 21218+3230 HLM 40 : NOTES
 
 
discov_num notes refcode
HLM 40 Also appears to be POP1232CD which is not related to 21208+3227.
WDS position of HLM 40 far off and is corrected here.
 
 
REFERENCES
 
 
refcode metd author reference
Hlm1906A - Holmes, E. 1906MmRAS..56....1L
Hlm1906A cited by Lewis (MemRAS 56, 1, 1906)
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21218+3230 HLM 40 2000 3 23 15.2 11.80 12.60 N 212056.21+322931.5
21218+3230 HLM 40 2013 5 23 15.5 11.80 12.60 N 212056.20+322931.5
21218+3230 HLM 40 2015 9 23 15.5 11.80 12.60 N 212056.20+322931.5

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

 
 
WDS 21218+3230 HLM 40 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 21218+3230 HLM 40 : MEASURES
 
 
No records found.

 
 
WDS 21218+3230 : VIRTUAL EYEPIECE
 
 

21218+3230 HLM 40A mag 11.8 21218+3230 HLM 40B sep 15.2 P.A. 19.60 mag 12.6 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 21218+3230 : ALADIN DSS IMAGE @ 21h 20m 56.20s +32° 29' 31.5"
 
 
 
 
WDS 21218+3230 HLM 40 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

21218+3230 HLM 40 distance=0' 21208+3227 STT 437AB distance=3' 21208+3227 STT 437AC distance=3' 21207+3226 POP 201 distance=6' 21203+3240 GRV 449 distance=13' 21216+3253 GYL 54 distance=25' 21182+3227 GRV 444 distance=34' 21210+3304 J 1229 distance=36' 21226+3158 HJ 1637AB distance=38' 21226+3158 DAL 15AC distance=38' 21230+3202 HO 157 distance=39' 21194+3306 J 1228 distance=42' 21225+3311 KPP3369 distance=46' 21197+3315 HO 155 distance=49' 21229+3149 J 2344 distance=49' 21214+3321 J 3136 distance=50' 21198+3138 GRV 445 distance=53' 21174+3203 HJ 931 distance=53' 21229+3142 GRV 458 distance=54' 21223+3139 ES 377BC distance=54' 21231+3144 HDS3046AB distance=54' 21231+3144 DAM 229AC distance=54' 21223+3139 ES 377AB distance=54' 21171+3203 FOX9054 distance=56' 21207+3327 BU 446AB distance=58' 21207+3327 BU 446AC distance=58' 21207+3327 FOX9035AD distance=58' 21257+3241 GYL 55 distance=62' 21160+3217 SEI1482 distance=64' 21237+3131 GRV 460 distance=69' 21225+3123 KPP1063 distance=70' 21262+3249 GRV 467 distance=71' 21158+3159 TDT2868 distance=72' 21157+3235 HJ 1628 distance=72' 21152+3251 HEI 284AB distance=75' 21152+3251 HEI 284AC distance=75' 21162+3145 TDT2871 distance=76' 21149+3240 HJ 1627 distance=78' 21148+3238 TOB 218 distance=79' 21148+3216 SEI1463 distance=80' 21205+3107 J 3135 distance=81' 21159+3319 COU1478 distance=81' 21234+3115 A 1218 distance=81' 21155+3313 TOB 215 distance=81' 21252+3129 A 1220 distance=82' 21156+3314 GYL 51 distance=82' 21156+3315 TOB 216 distance=82' 21187+3348 HU 770 distance=84' 21265+3315 HJ 935AB distance=85' 21265+3315 HJ 935BC distance=85' 21220+3106 KPP3368 distance=85' 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 21218+3230 HLM 40 23 15.5
Show 21208+3227 STT 437 AB 19 2.5 3
Show 21208+3227 STT 437 AC 144 79.6 3
Show 21207+3226 POP 201 203 7.1 6
Show 21203+3240 GRV 449 327 64.2 13
Show 21216+3253 GYL 54 137 22.2 25
Show 21182+3227 GRV 444 250 36.1 34
Show 21210+3304 J 1229 305 2.2 36
Show 21226+3158 HJ 1637 AB 104 13.4 38
Show 21226+3158 DAL 15 AC 142 8.3 38
Show 21230+3202 HO 157 26 3.6 39
Show 21194+3306 J 1228 281 3.7 42
Show 21225+3311 KPP3369 47 1.8 46
Show 21197+3315 HO 155 38 2.0 49
Show 21229+3149 J 2344 227 6.7 49
Show 21214+3321 J 3136 179 8.1 50
Show 21198+3138 GRV 445 278 36.2 53
Show 21174+3203 HJ 931 356 9.9 53
Show 21229+3142 GRV 458 123 43.4 54
Show 21223+3139 ES 377 BC 211 2.2 54
Show 21231+3144 HDS3046 AB 329 4.8 54
Show 21231+3144 DAM 229 AC 22 14.2 54
Show 21223+3139 ES 377 AB 291 48.7 54
Show 21171+3203 FOX9054 358 6.1 56
Show 21207+3327 BU 446 AB 258 3.2 58
Show 21207+3327 BU 446 AC 214 70.8 58
Show 21207+3327 FOX9035 AD 109 74.2 58
Show 21257+3241 GYL 55 163 5.8 62
Show 21160+3217 SEI1482 197 19.9 64
Show 21237+3131 GRV 460 185 52.6 69
Show 21225+3123 KPP1063 321 8.4 70
Show 21262+3249 GRV 467 338 60.2 71
Show 21158+3159 TDT2868 185 2.0 72
Show 21157+3235 HJ 1628 252 15.1 72
Show 21152+3251 HEI 284 AB 26 4.3 75
Show 21152+3251 HEI 284 AC 224 8.7 75
Show 21162+3145 TDT2871 230 3.3 76
Show 21149+3240 HJ 1627 182 2.5 78
Show 21148+3238 TOB 218 295 21.8 79
Show 21148+3216 SEI1463 127 26.6 80
Show 21205+3107 J 3135 97 4.0 81
Show 21159+3319 COU1478 175 1.4 81
Show 21234+3115 A 1218 15 4.1 81
Show 21155+3313 TOB 215 232 16.2 81
Show 21252+3129 A 1220 160 1.6 82
Show 21156+3314 GYL 51 102 43.1 82
Show 21156+3315 TOB 216 135 14.2 82
Show 21187+3348 HU 770 314 0.9 84
Show 21265+3315 HJ 935 AB 16 12.9 85
Show 21265+3315 HJ 935 BC 52 1.7 85
Show 21220+3106 KPP3368 41 8.9 85

 
 
WDS 21218+3230 : COMPONENTS
 
 
  A
B pa=19.6°
sep=15.19"
 
 
21218+3230 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 212056.20+322931.5 Mag 11.8 PmRA -23.00
PmDE -19.0 Tycho2 2707-02258-1
Tycho2
Tycho2 2707-02258-1 Pflag RAmdeg 320.23422547 DEmdeg 32.49210041
PmRA -23.4 PmDE -16.1 E RAmdeg 59 E DEmdeg 59
E pmRA 2.8 E pmDE 2.7 EpRAm 1984.82 EpDEm 1984.42
Num 4 Q RAmdeg 0.6 Q DEmdeg 1.6 Q pmRA 0.6
Q pmDE 1.7 BTmag 12.306 E BTmag 0.130 VTmag 11.804
E VTmag 0.124 Prox 999 TYC HIP
CCDM RAdeg 320.23429056 DEdeg 32.49213639 EpRA 1990 1.44
EpDE 1990 1.55 E RAdeg 61.5 E DEdeg 61.8 Posflg
Corr 0.2
 
 
21218+3230 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 212056.60+322945.8 Mag 12.6 PmRA -7.00
PmDE -2.0 Calc delta mag 0.8 Calc coord yes