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Current system
18384+6332
WAL 150 AC


Nearby doubles
10' : 18381+6341
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STF2365

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ES 1839

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38' : 18418+6402
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STI 861

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ES 1840

61' : 18294+6338
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Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

18384+6332 WAL 150 AC

 
 
18h 38m 24.22s +63° 31' 58.3" P.A. 351.00 sep 94.9 mag 6.97,9.66 Sp K2III dist. 228.31 pc (744.75 l.y.)
 
 
Coord 2000 18384+6332 Discov num WAL 150 Comp AC Coord arcsec 2000 18 38 24.22 +63 31 58.3
Date first 1898 Date last 2015 Obs 8
Pa first 351 Pa last 350.5 P.A. Now (θ) 350.5°
Sep first 98.0 Sep last 94.85 Sep. Now (ρ) 94.85"
Mag pri 6.97 Mag sec 9.66 delta mag (ΔM) 2.69 Spectral class K2III (yellow-orange)
Pri motion ra -021 Sec motion ra -001
Pri motion dec +016 Sec motion dec -002
Notes
rPM=1.019
This double is not physical.
 
 
18384+6332 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 172923 17963 18 38 24 +63 31 58 STF 2377 AB 2018 25 338 16.9 6.97 9.83 2.86
Show 17963 18 38 24 +63 31 58 WAL 150 AC 2015 8 351 94.9 6.97 9.66 2.69 <===
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Draco SAO 17963 HIP 91396 Tycho2 4219-01871-1
Gaia DR2 2160231115231121024 HD 172923 BD BD+63 1445 Distance 228.31
Distance ly 744.75
 
 
WDS 18384+6332 WAL 150 AC : NOTES
 
 
No records found.

 
 
DISCOVERER
 
 
discov author
STF (F. Struve DD - Appendix list #1)
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr dm_number notes coord_arcsec_2000
18384+6332 WAL 150 AC 2000 5 350 95.2 6.97 9.66 K2III D 183824.22+633158.3
18384+6332 WAL 150 AC 2003 6 351 95.5 6.97 9.66 K2III D 183824.22+633158.3
18384+6332 WAL 150 AC 2015 7 351 94.9 6.97 9.66 K2III 183824.22+633158.3

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

 
 
WDS 18384+6332 WAL 150 AC : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18384+6332 WAL 150 AC : MEASURES
 
 
No records found.

 
 
WDS 18384+6332 : VIRTUAL EYEPIECE
 
 

18384+6332 STF2377A mag 6.97 Sp K2III 18384+6332 STF2377B sep 16.9 P.A. 337.90 mag 9.83 18384+6332 WAL 150C sep 94.8 P.A. 350.50 mag 9.66 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 18384+6332 : ALADIN DSS IMAGE @ 18h 38m 24.22s +63° 31' 58.3"
 
 
 
 
WDS 18384+6332 WAL 150 AC : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

18384+6332 STF2377AB distance=1' 18384+6332 WAL 150AC distance=1' 18381+6341 KPP2683 distance=10' 18377+6342 HU 933 distance=11' 18402+6326 MLR 44 distance=14' 18393+6348 ES 126AB distance=17' 18393+6348 ES 126AD distance=17' 18393+6348 ES 126BC distance=18' 18352+6342 STF2365 distance=24' 18413+6311 ES 1839 distance=29' 18361+6405 MLB 214 distance=38' 18418+6402 WIS 329 distance=38' 18329+6343 STF2357 distance=39' 18396+6416 LDS2745 distance=45' 18439+6303 KPP4117 distance=48' 18338+6415 MLB 213 distance=53' 18426+6420 LDS2420 distance=55' 18462+6351 STI 861 distance=56' 18456+6404 ES 1840 distance=58' 18294+6338 KPP 414 distance=61' 18430+6427 UC 3653 distance=63' 18462+6412 HU 937 distance=66' 18305+6412 MLR 62 distance=66' 18448+6241 CFN 16 distance=67' 18335+6432 FAR 67Aa,Ab distance=69' 18335+6432 FAR 67AB distance=69' 18411+6226 LDS2746 distance=69' 18367+6222 TDT 956 distance=71' 18473+6254 ES 127 distance=71' 18303+6244 LDS2415 distance=73' 18272+6317 TDT 876 distance=77' 18313+6232 HU 932 distance=77' 18482+6415 SLN 84 distance=78' 18254+6349 SLW1219 distance=89' 18518+6318 UC 3699 distance=91' 18259+6255 STF2334 distance=93' 18497+6429 LDS2422 distance=94' 18494+6234 HJ 2846 distance=95' 18472+6215 LDS2749 distance=98' 18509+6425 TOI1749 distance=98' 18510+6425 UC 3695 distance=99' 18524+6256 LDS2753 distance=101' 18533+6312 TDT1113 distance=102' 18373+6147 LDS2418 distance=104' 18226+6347 MLR 55 distance=107' 18417+6520 LDS2748 distance=110' 18218+6358 ES 1837 distance=114' 18287+6506 HU 931AB distance=114' 18287+6506 STF2343AC distance=114' 18517+6222 ES 1841 distance=115' 18232+6440 SHN 37 distance=120' 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 18384+6332 STF2377 AB 338 16.9 1
Show 18384+6332 WAL 150 AC 351 94.9 1
Show 18381+6341 KPP2683 134 3.5 10
Show 18377+6342 HU 933 2 0.9 11
Show 18402+6326 MLR 44 116 0.4 14
Show 18393+6348 ES 126 AB 51 72.6 17
Show 18393+6348 ES 126 AD 54 46.0 17
Show 18393+6348 ES 126 BC 22 4.8 18
Show 18352+6342 STF2365 23 20.0 24
Show 18413+6311 ES 1839 13 4.2 29
Show 18361+6405 MLB 214 124 2.0 38
Show 18418+6402 WIS 329 288 491.7 38
Show 18329+6343 STF2357 270 4.6 39
Show 18396+6416 LDS2745 86 37.5 45
Show 18439+6303 KPP4117 24 1.5 48
Show 18338+6415 MLB 213 321 4.3 53
Show 18426+6420 LDS2420 84 9.3 55
Show 18462+6351 STI 861 61 12.8 56
Show 18456+6404 ES 1840 216 9.1 58
Show 18294+6338 KPP 414 187 4.9 61
Show 18430+6427 UC 3653 335 32.5 63
Show 18462+6412 HU 937 334 1.1 66
Show 18305+6412 MLR 62 8 1.0 66
Show 18448+6241 CFN 16 278 1.3 67
Show 18335+6432 FAR 67 Aa,Ab 222 0.1 69
Show 18335+6432 FAR 67 AB 129 1.8 69
Show 18411+6226 LDS2746 288 17.7 69
Show 18367+6222 TDT 956 266 0.5 71
Show 18473+6254 ES 127 144 4.9 71
Show 18303+6244 LDS2415 316 68.4 73
Show 18272+6317 TDT 876 259 0.5 77
Show 18313+6232 HU 932 78 2.7 77
Show 18482+6415 SLN 84 341 2.2 78
Show 18254+6349 SLW1219 313 9.6 89
Show 18518+6318 UC 3699 176 45.4 91
Show 18259+6255 STF2334 202 17.0 93
Show 18497+6429 LDS2422 94 75.9 94
Show 18494+6234 HJ 2846 239 14.6 95
Show 18472+6215 LDS2749 231 21.5 98
Show 18509+6425 TOI1749 37 23.1 98
Show 18510+6425 UC 3695 217 23.0 99
Show 18524+6256 LDS2753 292 3.6 101
Show 18533+6312 TDT1113 90 0.9 102
Show 18373+6147 LDS2418 245 118.6 104
Show 18226+6347 MLR 55 202 1.0 107
Show 18417+6520 LDS2748 226 50.5 110
Show 18218+6358 ES 1837 212 16.2 114
Show 18287+6506 HU 931 AB 82 0.5 114
Show 18287+6506 STF2343 AC 212 8.6 114
Show 18517+6222 ES 1841 105 3.4 115
Show 18232+6440 SHN 37 83 0.2 120

 
 
WDS 18384+6332 : COMPONENTS
 
 
  A B
B pa=337.9°
sep=16.89"
 
C pa=350.5°
sep=94.85"
pa=353.2°
sep=78.45"
 
 
18384+6332 A
 
 
Name HD 172923 Coord arcsec 2000 183824.22+633158.3 Mag 6.97 Spectral class K2III (yellow-orange)
PmRA -21.00 PmDE 16.0 SAO 17963 HIP 91396
Tycho2 4219-01871-1 HD 172923 GC 25545 BD BD+63 1445
Tycho2
Tycho2 4219-01871-1 Pflag RAmdeg 279.60091181 DEmdeg 63.53286364
PmRA -19.4 PmDE 15.9 E RAmdeg 4 E DEmdeg 5
E pmRA 1.3 E pmDE 1.4 EpRAm 1991.49 EpDEm 1991.39
Num 10 Q RAmdeg 1.0 Q DEmdeg 0.8 Q pmRA 0.8
Q pmDE 0.8 BTmag 8.326 E BTmag 0.016 VTmag 6.970
E VTmag 0.010 Prox 169 TYC T HIP 91396
CCDM A RAdeg 279.60101306 DEdeg 63.53282667 EpRA 1990 1.66
EpDE 1990 1.60 E RAdeg 4.4 E DEdeg 4.5 Posflg
Corr -0.1
SAO
SAO 17963 DelFlag RA1950 PmRA1950 -0.005
DE1950 PmDE1950 0.023 Vmag 6.9 SpType K0
Double code Source 70 CatNum 25545 DM BD+63 1445
DMcomp BDsup HD 172923 M HD 0
GC 25545 RA1950rad 4.87839375 DE1950rad 1.10804796 PmRA2000 -0.0042
PmDE2000 0.022
Hipparcos
Catalog H HIP 91396 Proxy RAhms 18 38 24.24
DEdms +63 31 58.2 Vmag 6.85 VarFlag R Vmag H
RAdeg 279.601 DEdeg 63.5328 AstroRef A Plx 5.26
CCDM -20.54 N CCDM I Nsys 2 Ncomp 1
MultFlag C Source P Qual A M HIP
Theta Rho HD BD BD+63 1445
CD CP Dm number +63 1445 VIred 1.09
SpType K0 R SpType Coord arcsec 2000 183824.24+633158.2
Hipparcos 2
HIP 91396 Sn 95 So 3 Nc 1
RArad 4.8799582899 DErad 1.1088570137 Plx 4.38 PmRA -19.91
PmDE 15.74 E RArad 0.54 E DErad 0.59 E Plx 0.56
E pmRA 0.63 E pmDE 0.69 Hpmag E Hpmag 0.0068
SHp 0.018 VA 0 BV 1.14 E BV 0.01
VI 1.1
CCDM
Ccdm 18384+6332 RComp Comp A Note1
Note2 Discov num DRAs 0.16 DDEs -2.1
R dRAs 10 Year Theta Rho
Obs 2 Vmag 7.1 Sp K0 PmNote *
PmRA -27 PmDE 13 Dm number +63 1445 Cat1 BD
Name2 +63 971 Cat2 AGK2/3 HD 172923 M HD
ADS BDS A11559 M ADS BDS N IDS IDS 18377N6326A
HIC 91396
 
 
18384+6332 B
 
 
Coord arcsec 2000 183823.27+633213.9 Mag 9.83 PmRA -19.00 PmDE 17.0
Delta magnitude 2.86 Coordinate calculated yes
CCDM
Ccdm 18384+6332 RComp Comp B Note1
Note2 Discov num STF2377 DRAs -0.81 DDEs 13.1
R dRAs 10 Year 1900 Theta 340 Rho 16.5
Obs 6 Vmag 8.7 Sp PmNote *
PmRA -35 PmDE 5 Dm number Cat1
Name2 +63 970 Cat2 AGK2/3 HD M HD
ADS BDS A11559 M ADS BDS N N IDS IDS 18377N6326B
HIC 91393
 
 
18384+6332 C
 
 
Coord arcsec 2000 183821.88+633331.8 Mag 9.66 PmRA -1.00 PmDE -2.0
Delta magnitude 2.69 Coordinate calculated yes