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Doubles in session


Current system
18457+3218
SEI 574


Nearby doubles
15' : 18466+3210
HU 935

23' : 18447+3237
LDS4797

25' : 18461+3242
SEI 575

37' : 18475+3149
BRT 262

39' : 18476+3248
COU1154

39' : 18469+3254
KPP4121

42' : 18425+3231
HJ 1340

43' : 18432+3150
UC 3654

45' : 18437+3141
A 253

49' : 18473+3302
TDS 945

52' : 18497+3223
J 131

56' : 18499+3233
HO 440

58' : 18472+3125
STF2397

58' : 18488+3136
LDS1015

60' : 18486+3132
TDT1063AB

61' : 18498+3249
H 5 40AB

63' : 18464+3116
HJ 1345

63' : 18493+3301
ES 2287

63' : 18501+3149
A 256

65' : 18458+3113
SLE 120

71' : 18462+3328
COU1152

73' : 18488+3319
HJ 1349AB

75' : 18418+3314
KU 119

76' : 18495+3316
STF2407

77' : 18409+3132
HJ 1337

77' : 18405+3139
HO 437AB



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

18457+3218 SEI 574

 
 
18h 45m 40.75s +32° 18' 05.7" P.A. 263.00 sep 18.7 mag 9.20,11.00 Sp F8
 
 
Coord 2000 18457+3218 Discov num SEI 574 Comp Coord arcsec 2000 18 45 40.75 +32 18 05.7
Date first 1893 Date last 2015 Obs 12
Pa first 263 Pa last 263 P.A. Now (θ) 263°
Sep first 19.5 Sep last 18.664 Sep. Now (ρ) 18.664"
Mag pri 9.20 Mag sec 11.00 delta mag (ΔM) 1.8 Spectral class F8 (yellow-white)
Pri motion ra -008 Sec motion ra +001
Pri motion dec -003 Sec motion dec +001
Notes
rPM=1.153
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Lyra Tycho2 2642-02765-1 Gaia DR2 2090206896155180544
 
 
WDS 18457+3218 SEI 574 : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Sei1908 Pa - Scheiner, J. 1908POPot..59.....S
Sei1908 +Po Pub. Obs. Potsdam 20, #59, 1908
Sei1913A Pa - Scheiner, J. 1913QB811.B8.......
Sei1913A cited by Burnham (Carnegie Inst. Wash. #168, 1913)
Sei1932A Pa - Scheiner, J. 1932QB821.A43......
Sei1932A cited in ADS (Aitken Double Star Cat.), 1932
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18457+3218 SEI 574 2006 6 263 18.7 9.00 11.00 F8 D 184540.75+321805.7
18457+3218 SEI 574 2010 8 263 18.4 9.20 11.00 F8 184540.75+321805.7
18457+3218 SEI 574 2015 9 263 18.7 9.20 11.00 F8 184540.75+321805.7

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

 
 
WDS 18457+3218 SEI 574 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18457+3218 SEI 574 : MEASURES
 
 
No records found.

 
 
WDS 18457+3218 : VIRTUAL EYEPIECE
 
 

18457+3218 SEI 574A mag 9.2 Sp F8 18457+3218 SEI 574B sep 15.8 P.A. 261.70 mag 11 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 18457+3218 : ALADIN DSS IMAGE @ 18h 45m 40.75s +32° 18' 05.7"
 
 
 
 
WDS 18457+3218 SEI 574 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

18457+3218 SEI 574 distance=0' 18466+3210 HU 935 distance=15' 18447+3237 LDS4797 distance=23' 18461+3242 SEI 575 distance=25' 18475+3149 BRT 262 distance=37' 18476+3248 COU1154 distance=39' 18469+3254 KPP4121 distance=39' 18425+3231 HJ 1340 distance=42' 18432+3150 UC 3654 distance=43' 18437+3141 A 253 distance=45' 18473+3302 TDS 945 distance=49' 18497+3223 J 131 distance=52' 18499+3233 HO 440 distance=56' 18472+3125 STF2397 distance=58' 18488+3136 LDS1015 distance=58' 18486+3132 TDT1063AB distance=60' 18486+3132 TDT1063AC distance=60' 18498+3249 H 5 40AB distance=61' 18498+3249 H 5 40AC distance=61' 18498+3249 WAL 95AE distance=61' 18498+3249 WAL 95AF distance=61' 18498+3249 H 5 40CD distance=61' 18464+3116 HJ 1345 distance=63' 18493+3301 ES 2287 distance=63' 18501+3149 A 256 distance=63' 18458+3113 SLE 120 distance=65' 18462+3328 COU1152 distance=71' 18488+3319 HJ 1349AB distance=73' 18418+3314 KU 119 distance=75' 18495+3316 STF2407 distance=76' 18409+3132 HJ 1337 distance=77' 18405+3139 HO 437AB distance=77' 18405+3139 HO 437AC distance=77' 18405+3139 HO 437AE distance=77' 18405+3139 HO 437CD distance=78' 18427+3326 UC 3651 distance=78' 18494+3324 J 765 distance=81' 18506+3313 TAR 3BC distance=83' 18506+3313 TAR 3AB distance=83' 18506+3313 BKO 54AD distance=83' 18465+3055 A 254 distance=84' 18501+3322 BU 293BE distance=85' 18501+3322 BU 293BF distance=85' 18414+3323 TDT 997 distance=85' 18501+3322 RBR 11Aa,Ab distance=85' 18501+3322 STFA 39AB (Sheliak) distance=85' 18501+3322 BU 293AC (Sheliak) distance=85' 18501+3322 BU 293AD (Sheliak) distance=85' 18501+3322 BU 293AE (Sheliak) distance=85' 18501+3322 BU 293AF (Sheliak) distance=85' 18501+3322 CIA 3Aa1,2 (Sheliak) 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 18457+3218 SEI 574 263 18.7
Show 18466+3210 HU 935 153 3.1 15
Show 18447+3237 LDS4797 28 47.5 23
Show 18461+3242 SEI 575 263 28.6 25
Show 18475+3149 BRT 262 342 4.8 37
Show 18476+3248 COU1154 57 0.6 39
Show 18469+3254 KPP4121 75 6.5 39
Show 18425+3231 HJ 1340 79 15.4 42
Show 18432+3150 UC 3654 195 30.0 43
Show 18437+3141 A 253 132 0.7 45
Show 18473+3302 TDS 945 318 1.5 49
Show 18497+3223 J 131 179 2.7 52
Show 18499+3233 HO 440 175 18.4 56
Show 18472+3125 STF2397 269 3.9 58
Show 18488+3136 LDS1015 301 110.3 58
Show 18486+3132 TDT1063 AB 106 0.1 60
Show 18486+3132 TDT1063 AC 142 1.1 60
Show 18498+3249 H 5 40 AB 76 33.7 61
Show 18498+3249 H 5 40 AC 120 57.5 61
Show 18498+3249 WAL 95 AE 350 80.0 61
Show 18498+3249 WAL 95 AF 349 70.5 61
Show 18498+3249 H 5 40 CD 212 18.5 61
Show 18464+3116 HJ 1345 169 11.7 63
Show 18493+3301 ES 2287 292 3.8 63
Show 18501+3149 A 256 60 2.9 63
Show 18458+3113 SLE 120 115 6.9 65
Show 18462+3328 COU1152 259 1.7 71
Show 18488+3319 HJ 1349 AB 93 29.9 73
Show 18418+3314 KU 119 86 20.6 75
Show 18495+3316 STF2407 207 30.0 76
Show 18409+3132 HJ 1337 151 9.4 77
Show 18405+3139 HO 437 AB 140 0.3 77
Show 18405+3139 HO 437 AC 272 39.9 77
Show 18405+3139 HO 437 AE 288 22.1 77
Show 18405+3139 HO 437 CD 347 4.5 78
Show 18427+3326 UC 3651 218 10.7 78
Show 18494+3324 J 765 333 2.3 81
Show 18506+3313 TAR 3 BC 214 3.3 83
Show 18506+3313 TAR 3 AB 302 15.8 83
Show 18506+3313 BKO 54 AD 192 14.0 83
Show 18465+3055 A 254 48 2.3 84
Show 18501+3322 BU 293 BE 322 112.4 85
Show 18501+3322 BU 293 BF 1 120.6 85
Show 18414+3323 TDT 997 139 0.6 85
Show 18501+3322 RBR 11 Aa,Ab 176 0.5 85
Show Sheliak 18501+3322 STFA 39 AB 149 45.7 85
Show Sheliak 18501+3322 BU 293 AC 247 46.8 85
Show Sheliak 18501+3322 BU 293 AD 68 64.0 85
Show Sheliak 18501+3322 BU 293 AE 317 67.2 85
Show Sheliak 18501+3322 BU 293 AF 18 86.0 85
Show Sheliak 18501+3322 CIA 3 Aa1,2 88 0.0 85

 
 
WDS 18457+3218 : COMPONENTS
 
 
  A
B pa=261.7°
sep=15.82"
 
 
18457+3218 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 184540.75+321805.7 Mag 9.2 Spectral class F8 (yellow-white)
PmRA -8.00 PmDE -3.0 Tycho2 2642-02765-1
Tycho2
Tycho2 2642-02765-1 Pflag RAmdeg 281.41982029 DEmdeg 32.30159932
PmRA -7.6 PmDE -2.3 E RAmdeg 10 E DEmdeg 10
E pmRA 1.4 E pmDE 1.4 EpRAm 1990.62 EpDEm 1990.59
Num 7 Q RAmdeg 1.2 Q DEmdeg 1.4 Q pmRA 1.3
Q pmDE 1.4 BTmag 9.758 E BTmag 0.021 VTmag 9.200
E VTmag 0.016 Prox 999 TYC T HIP
CCDM RAdeg 281.41984250 DEdeg 32.30160444 EpRA 1990 1.57
EpDE 1990 1.62 E RAdeg 10.2 E DEdeg 10.4 Posflg
Corr 0.0
CCDM
Ccdm 18457+3218 RComp Comp A Note1
Note2 Discov num DRAs -1.36 DDEs 4.4
R dRAs 10 Year Theta Rho
Obs 2 Vmag 9.0 Sp PmNote *
PmRA -18 PmDE -23 Dm number +32 3198 Cat1 BD
Name2 +32 1656 Cat2 AGK2/3 HD M HD
ADS BDS M ADS BDS N IDS IDS 18419N3212A
HIC
 
 
18457+3218 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 184539.52+321803.4 Mag 11 PmRA 1.00
PmDE 1.0 Calc delta mag 1.8 Calc coord yes
CCDM
Ccdm 18457+3218 RComp Comp B Note1
Note2 Discov num SEI 574 DRAs DDEs
R dRAs Year 1893 Theta 263 Rho 19.5
Obs 1 Vmag 11.0 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 18419N3212B
HIC