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Current system
18500+1519
LLO 16 AC


Nearby doubles
10' : 18506+1525
BPM 862

15' : 18491+1524
BPM 842

20' : 18510+1505
BPMA 63

20' : 18515+1507
OL 105

23' : 18510+1501
HDS2673

23' : 18506+1458
BPM 863

25' : 18484+1524
J 2150

34' : 18484+1542
BPMA 61

36' : 18504+1554
BPM 860

40' : 18477+1539
BPM 831

42' : 18475+1537
GII 20AB

43' : 18471+1515
HJ 1344

45' : 18502+1603
RAO 399

48' : 18481+1557
BPM 835

48' : 18517+1600
BPM 870

48' : 18524+1445
BPMA 66

50' : 18470+1541
GII 5

56' : 18487+1426
BPM 838AB

57' : 18540+1516
L 40

58' : 18523+1432
STF2411AB

59' : 18500+1420
BPM 854

59' : 18489+1615
STF2400AB

60' : 18511+1421
BPMA 64

61' : 18533+1557
BPM 879

63' : 18496+1621
BPM 849

64' : 18493+1416
BPM 845



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Binary Systems
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Multiple Systems
Neglected List I
Neglected List II
Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.
 
 
WDS 18500+1519 : COMPONENTS
 
 
  A B C
B pa=34.0°
sep=0.47"
 
C pa=18.1°
sep=11.05"
pa=17.4°
sep=10.60"
 
D pa=224.1°
sep=15.46"
pa=223.8°
sep=15.92"
pa=213.3°
sep=25.85"
 
 
18500+1519 A
 
 
Name HD 174457 Coord arcsec 2000 185002.00+151840.3 Mag 7.6 Spectral class F8 (yellow-white)
PmRA 102.00 PmDE 131.0 SAO 104160 HIP 92418
Tycho2 1584-00540-1 HD 174457 GC 25831 BD BD+15 3584
Tycho2
Tycho2 1584-00540-1 Pflag RAmdeg 282.50859950 DEmdeg 15.31152292
PmRA 111.3 PmDE 136.1 E RAmdeg 5 E DEmdeg 6
E pmRA 1.4 E pmDE 1.3 EpRAm 1991.64 EpDEm 1991.34
Num 10 Q RAmdeg 0.6 Q DEmdeg 0.7 Q pmRA 0.6
Q pmDE 0.8 BTmag 8.251 E BTmag 0.016 VTmag 7.603
E VTmag 0.011 Prox 999 TYC T HIP 92418
CCDM RAdeg 282.50833917 DEdeg 15.31120972 EpRA 1990 1.88
EpDE 1990 1.71 E RAdeg 5.2 E DEdeg 5.6 Posflg
Corr -0.1
SAO
SAO 104160 DelFlag RA1950 PmRA1950 0.0082
DE1950 PmDE1950 0.135 Vmag 7.5 SpType F8
Double code Source 70 CatNum 25831 DM BD+15 3584
DMcomp BDsup HD 174457 M HD 0
GC 25831 RA1950rad 4.92079221 DE1950rad 0.26617375 PmRA2000 0.0083
PmDE2000 0.135
Hipparcos
Catalog H HIP 92418 Proxy RAhms 18 50 02.00
DEdms +15 18 40.3 Vmag 7.52 VarFlag R Vmag H
RAdeg 282.508 DEdeg 15.3112 AstroRef Plx 18.34
CCDM N CCDM Nsys Ncomp 1
MultFlag Source Qual S M HIP
Theta Rho HD 174457 BD BD+15 3584
CD CP Dm number +15 3584 VIred 0.69
SpType F8 R SpType Coord arcsec 2000 185002.00+151840.3
Hipparcos 2
HIP 92418 Sn 5 So 0 Nc 1
RArad 4.9307003483 DErad 0.2672307133 Plx 18.79 PmRA 102.83
PmDE 131.73 E RArad 0.68 E DErad 0.58 E Plx 0.78
E pmRA 0.85 E pmDE 0.79 Hpmag 7.6476 E Hpmag 0.0015
SHp 0.01 VA 0 BV 0.621 E BV 0.015
VI 0.69
 
 
18500+1519 B
 
 
Coord arcsec 2000 185002.02+151840.7 Mag 11.3 Spectral class M2V (red) Calc delta mag 3.7
Calc coord yes
 
 
18500+1519 C
 
 
Coord arcsec 2000 185002.24+151850.8 Mag 13.3 Calc delta mag 5.7 Calc coord yes
 
 
18500+1519 D
 
 
Coord arcsec 2000 185001.26+151829.2 Mag 13.5 Calc delta mag 5.9 Calc coord yes