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Doubles in session


Current system
18438+3433
SEI 573


Nearby doubles
17' : 18430+3445
SEI 572AB

17' : 18425+3432
POP 45

24' : 18421+3445
STF2372AB

26' : 18458+3431
STF2390

31' : 18426+3459
UC 3650

34' : 18445+3400
STTA172

39' : 18465+3414
COU1153

40' : 18420+3505
SEI 570

41' : 18416+3503
GRV 237

43' : 18464+3500
SLE 367

45' : 18403+3425
HDS2645AB

50' : 18475+3415
KPP4122

54' : 18394+3430
SEI 568

57' : 18483+3432
POP 43

61' : 18434+3533
STF2378AB

63' : 18452+3532
STF2386AB

65' : 18490+3432
YSC 11

67' : 18390+3501
POP 17

69' : 18427+3326
UC 3651

69' : 18487+3401
HU 936

71' : 18462+3328
COU1152

72' : 18393+3517
HJ 1335

73' : 18385+3503
COU1308

73' : 18380+3417
LDS4793

74' : 18380+3416
CRB 128

74' : 18496+3415
COU1155



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

18438+3433 SEI 573

 
 
18h 43m 47.92s +34° 32' 32.5" P.A. 298.00 sep 20.9 mag 10.65,11.79
 
 
Coord 2000 18438+3433 Discov num SEI 573 Comp Coord arcsec 2000 18 43 47.92 +34 32 32.5
Date first 1894 Date last 2017 Obs 18
Pa first 298 Pa last 297.5 P.A. Now (θ) 297.5°
Sep first 21.3 Sep last 20.871 Sep. Now (ρ) 20.871"
Mag pri 10.65 Mag sec 11.79 delta mag (ΔM) 1.14 Spectral class
Pri motion ra -002 Sec motion ra -002
Pri motion dec -011 Sec motion dec -010
Notes
rPM=0.089 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Lyra Tycho2 2645-01642-1 Gaia DR2 2091803627556230912
 
 
WDS 18438+3433 SEI 573 : 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
18438+3433 SEI 573 2002 8 297 21.2 10.65 11.79 D 184347.92+343232.5
18438+3433 SEI 573 2013 10 298 21.2 10.65 11.79 184347.92+343232.5
18438+3433 SEI 573 2014 11 297 21.2 10.65 11.79 184347.92+343232.5
18438+3433 SEI 573 2015 13 297 21.2 10.65 11.79 184347.92+343232.5
18438+3433 SEI 573 2017 14 298 20.9 10.65 11.79 184347.92+343232.5

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

 
 
WDS 18438+3433 SEI 573 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18438+3433 SEI 573 : MEASURES
 
 
No records found.

 
 
WDS 18438+3433 : VIRTUAL EYEPIECE
 
 

18438+3433 SEI 573A mag 10.65 18438+3433 SEI 573B sep 18.0 P.A. 302.30 mag 11.79 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 18438+3433 : ALADIN DSS IMAGE @ 18h 43m 47.92s +34° 32' 32.5"
 
 
 
 
WDS 18438+3433 SEI 573 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

18438+3433 SEI 573 distance=0' 18430+3445 BKO 52BD distance=17' 18430+3445 SEI 572AB distance=17' 18430+3445 BKO 52AC distance=17' 18425+3432 POP 45 distance=17' 18421+3445 BLL 34BC distance=24' 18421+3445 B 2546Aa,Ab distance=24' 18421+3445 STF2372AB distance=24' 18421+3445 BLL 34AC distance=24' 18458+3431 STF2390 distance=26' 18426+3459 UC 3650 distance=31' 18445+3400 STTA172 distance=34' 18465+3414 COU1153 distance=39' 18420+3505 SEI 570 distance=40' 18416+3503 GRV 237 distance=41' 18464+3500 SLE 367 distance=43' 18403+3425 HDS2645AB distance=45' 18403+3425 GII 270Aa,Ab distance=45' 18475+3415 KPP4122 distance=50' 18394+3430 SEI 568 distance=54' 18483+3432 POP 43 distance=57' 18434+3533 STF2378BC distance=61' 18434+3533 STF2378AB distance=61' 18434+3533 SLE 688AD distance=61' 18434+3533 STF2378AC distance=61' 18434+3533 FYM 48AE distance=61' 18434+3533 FYM 48AF distance=61' 18452+3532 STF2386AB distance=63' 18452+3532 FOX 234AC distance=63' 18490+3432 YSC 11 distance=65' 18390+3501 POP 17 distance=67' 18427+3326 UC 3651 distance=69' 18487+3401 HU 936 distance=69' 18462+3328 COU1152 distance=71' 18393+3517 HJ 1335 distance=72' 18385+3503 COU1308 distance=73' 18380+3417 LDS4793 distance=73' 18380+3416 CRB 128 distance=74' 18496+3415 COU1155 distance=74' 18416+3541 KPP4116 distance=74' 18414+3323 TDT 997 distance=76' 18379+3505 POP 16AB distance=80' 18379+3505 POP 16AC distance=80' 18379+3505 DAM 688AD distance=80' 18379+3506 TRA 1 distance=80' 18495+3512 POP 44 distance=81' 18491+3343 UC 3682 distance=83' 18418+3314 KU 119 distance=83' 18370+3452 STF2352AB distance=87' 18370+3452 STF2352AC distance=87' 18370+3452 WAL 93AD distance=87' 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 18438+3433 SEI 573 298 20.9
Show 18430+3445 BKO 52 BD 82 7.5 17
Show 18430+3445 SEI 572 AB 53 22.3 17
Show 18430+3445 BKO 52 AC 147 18.7 17
Show 18425+3432 POP 45 275 6.8 17
Show 18421+3445 BLL 34 BC 65 91.1 24
Show 18421+3445 B 2546 Aa,Ab 24 0.1 24
Show 18421+3445 STF2372 AB 82 25.0 24
Show 18421+3445 BLL 34 AC 69 114.0 24
Show 18458+3431 STF2390 155 4.3 26
Show 18426+3459 UC 3650 159 22.3 31
Show 18445+3400 STTA172 5 64.9 34
Show 18465+3414 COU1153 116 0.4 39
Show 18420+3505 SEI 570 131 9.4 40
Show 18416+3503 GRV 237 176 57.8 41
Show 18464+3500 SLE 367 290 18.5 43
Show 18403+3425 HDS2645 AB 19 1.9 45
Show 18403+3425 GII 270 Aa,Ab 109 0.2 45
Show 18475+3415 KPP4122 53 4.1 50
Show 18394+3430 SEI 568 192 10.5 54
Show 18483+3432 POP 43 297 2.6 57
Show 18434+3533 STF2378 BC 246 203.5 61
Show 18434+3533 STF2378 AB 190 11.5 61
Show 18434+3533 SLE 688 AD 16 109.8 61
Show 18434+3533 STF2378 AC 243 210.2 61
Show 18434+3533 FYM 48 AE 270 110.9 61
Show 18434+3533 FYM 48 AF 134 66.7 61
Show 18452+3532 STF2386 AB 18 21.1 63
Show 18452+3532 FOX 234 AC 75 56.7 63
Show 18490+3432 YSC 11 55 0.4 65
Show 18390+3501 POP 17 16 8.7 67
Show 18427+3326 UC 3651 218 10.7 69
Show 18487+3401 HU 936 101 1.8 69
Show 18462+3328 COU1152 259 1.7 71
Show 18393+3517 HJ 1335 7 16.7 72
Show 18385+3503 COU1308 29 0.4 73
Show 18380+3417 LDS4793 182 54.2 73
Show 18380+3416 CRB 128 148 11.7 74
Show 18496+3415 COU1155 223 3.3 74
Show 18416+3541 KPP4116 252 1.7 74
Show 18414+3323 TDT 997 139 0.6 76
Show 18379+3505 POP 16 AB 310 9.2 80
Show 18379+3505 POP 16 AC 279 53.0 80
Show 18379+3505 DAM 688 AD 108 5.4 80
Show 18379+3506 TRA 1 164 9.4 80
Show 18495+3512 POP 44 230 9.7 81
Show 18491+3343 UC 3682 310 18.4 83
Show 18418+3314 KU 119 86 20.6 83
Show 18370+3452 STF2352 AB 287 15.9 87
Show 18370+3452 STF2352 AC 161 210.3 87
Show 18370+3452 WAL 93 AD 204 37.9 87

 
 
WDS 18438+3433 : COMPONENTS
 
 
  A
B pa=302.3°
sep=18.04"
 
 
18438+3433 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 184347.92+343232.5 Mag 10.65 PmRA -2.00
PmDE -11.0 Tycho2 2645-01642-1
Tycho2
Tycho2 2645-01642-1 Pflag RAmdeg 280.94968666 DEmdeg 34.54235011
PmRA -4.1 PmDE -10.9 E RAmdeg 30 E DEmdeg 30
E pmRA 2.4 E pmDE 2.4 EpRAm 1985.45 EpDEm 1985.86
Num 6 Q RAmdeg 1.2 Q DEmdeg 1.1 Q pmRA 1.1
Q pmDE 1.1 BTmag 12.087 E BTmag 0.129 VTmag 10.648
E VTmag 0.051 Prox 210 TYC T HIP
CCDM RAdeg 280.94970722 DEdeg 34.54238861 EpRA 1990 1.56
EpDE 1990 1.71 E RAdeg 43.3 E DEdeg 42.4 Posflg
Corr 0.0
CCDM
Ccdm 18438+3433 RComp Comp A Note1
Note2 Discov num DRAs -1.57 DDEs -17.7
R dRAs 65 Year Theta Rho
Obs 2 Vmag 10.5 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 18402N3427A
HIC
 
 
18438+3433 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 184346.69+343242.1 Mag 11.79 PmRA -2.00
PmDE -10.0 Tycho2 2645-01623-1 Calc delta mag 1.14 Calc coord yes
Tycho2
Tycho2 2645-01623-1 Pflag RAmdeg 280.94334597 DEmdeg 34.54496138
PmRA -2.2 PmDE -16.9 E RAmdeg 66 E DEmdeg 66
E pmRA 2.5 E pmDE 2.5 EpRAm 1980.18 EpDEm 1981.29
Num 5 Q RAmdeg 1.7 Q DEmdeg 0.6 Q pmRA 1.6
Q pmDE 0.6 BTmag 12.175 E BTmag 0.138 VTmag 11.793
E VTmag 0.146 Prox 210 TYC T HIP
CCDM RAdeg 280.94336306 DEdeg 34.54500167 EpRA 1990 1.58
EpDE 1990 1.68 E RAdeg 72.8 E DEdeg 72.1 Posflg
Corr 0.1
CCDM
Ccdm 18438+3433 RComp Comp B Note1
Note2 Discov num SEI 573 DRAs -0.04 DDEs -27.4
R dRAs 65 Year 1894 Theta 118 Rho 21.3
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 18402N3427B
HIC