18500+1519 LLO 16 AD

 
 
18h 50m 02.00s +15° 18' 40.3" P.A. 225.00 sep 15.7 mag 5.99,13.50 Sp F8 dist. 53.22 pc (173.6 l.y.)
 
 
Coord 2000 18500+1519 Discov num LLO  16 Comp AD Coord arcsec 2000 18 50 02.00 +15 18 40.3
Date first 1999 Date last 2015 Obs 4
Pa first 225 Pa last 225.1 P.A. Now (θ) 225.1°
Sep first 15.7 Sep last 15.736 Sep. Now (ρ) 15.736"
Mag pri 5.99 Mag sec 13.50 delta mag (ΔM) 7.51 Spectral class F8 (yellow-white)
Pri motion ra +102 Sec motion ra
Pri motion dec +131 Sec motion dec
Notes N U K (See Notes, Proper motion indicates non-physical, K-band or other infrared magnitudes)
Visually invisible, K-band or other infrared star : Summary line gives K-band or other infrared (>1 micron) magnitudes
This double is not physical.
 
 
18500+1519 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 174457 104160 18 50 02 +15 18 40 YSC 12 AB 2019 19 35 0.5 7.60 11.30 3.70 Y
Show 104160 18 50 02 +15 18 40 LLO 16 AC 2001 2 19 11.1 5.99 13.30 7.31
Show 104160 18 50 02 +15 18 40 LLO 16 AD 2015 4 225 15.7 5.99 13.50 7.51 <===
Quadruple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Hercules SAO 104160 HIP 92418 Tycho2 1584-00540-1
Gaia DR2 4507523307652284288 HD 174457 BD BD+15 3584 Distance 53.22
Distance ly 173.6
 
 
WDS 18500+1519 LLO 16 AD : NOTES
 
 
discov_num notes refcode
YSC 12 Ren & Fu (2013) calculated an astrometric orbit, combining Hipparcos
Intermediate Astrometric Data with spectroscopic elements by
Nidever et al. (2002). They derived component masses 1.21 and 0.10 Nid2002
Msun and an estimated semimajor axis of 34.92 mas. Ren2013
HD 174457. Combined astrometric/spectroscopic solution, using
spectroscopic elements (P,T,e,omega) from Nidever et al. (2002 ApJS
141, 503). SaJ2011
 
 
REFERENCES
 
 
refcode metd author reference
Nid2002 rv - Nidever, D.L., Marcy, G.W., Butler, R.P., Fischer, D.A., & Vogt, S.S. 2002ApJS..141..503N
Nid2002 ApJS 141, 503, 2002
Ren2013 orb - Ren, S. & Fu, Y. 2013AJ....145...81R
Ren2013 AJ 145, 81, 2013
SaJ2011 orb - Sahlmann, J., Segransan, D., Queloz, D., Udry, S., Santos, N.C., Marmier, M., 2011A&A...525A..95S
SaJ2011 Mayor, M., Naef, D., Pepe, F., & Zucker, S.
SaJ2011 A&A 525, 95, 2011
 
 
DISCOVERER
 
 
idgroup discov author
1 LLO Lloyd, J.P.
2 LLO Lloyd, J.P., Martinache, F., Ireland, M.J., Monnier, J.D., Pravdo, S.H.,
2 LLO Shaklan, S.B., & Tuthill, P.G.
6 YSC Yale-Southern Connecticut (from additional DD list - see HOR)
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18500+1519 LLO 16 AD 2001 2 228 15.0 5.99 13.50 F8 NU K 185002.00+151840.3
18500+1519 LLO 16 AD 2015 3 225 15.7 5.99 13.50 F8 NU K 185002.00+151840.3

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WDS 18500+1519 LLO 16 AD : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18500+1519 LLO 16 AD : MEASURES
 
 
No records found.

 
 
WDS 18500+1519 : VIRTUAL EYEPIECE
 
 

18500+1519 YSC  12A mag 7.6 Sp F8 18500+1519 YSC  12B sep 0.5 P.A. 34.00 mag 11.3 Sp M2V 18500+1519 LLO  16C sep 11.1 P.A. 18.10 mag 13.3 18500+1519 LLO  16D sep 15.5 P.A. 224.10 mag 13.5 virtual eyepiece
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Radius:
Components only
 
 
WDS 18500+1519 : ALADIN DSS IMAGE @ 18h 50m 02.00s +15° 18' 40.3"
 
 
 
 
WDS 18500+1519 LLO 16 AD : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only


18500+1519  YSC  12AB distance=1' 18500+1519  LLO  16AC distance=1' 18500+1519  LLO  16AD distance=1' 18506+1525  BPM 862 distance=10' 18491+1524  BPM 842 distance=15' 18510+1505  BPMA 63 distance=20' 18515+1507  OL  105 distance=20' 18510+1501  HDS2673 distance=23' 18506+1458  BPM 863 distance=23' 18484+1524  J  2150 distance=25' 18484+1542  BPMA 61 distance=34' 18504+1554  BPM 860 distance=36' 18477+1539  BPM 831 distance=40' 18475+1537  HU  584Aa,Ab distance=42' 18475+1537  GII  20AB distance=42' 18471+1515  HJ 1344 distance=43' 18502+1603  RAO 399 distance=45' 18481+1557  BPM 835 distance=48' 18517+1600  BPM 870 distance=48' 18524+1445  BPMA 66 distance=48' 18470+1541  GII   5 distance=50' 18487+1426  BPM 839BC distance=55' 18487+1426  BPM 838AB distance=56' 18540+1516  L    40 distance=57' 18523+1432  STF2411AB distance=58' 18523+1432  WAL  97AC distance=58' 18523+1432  WAL  97AD distance=58' 18489+1615  STF2400BC distance=59' 18500+1420  BPM 854 distance=59' 18489+1615  STF2400AB distance=59' 18489+1615  STF2400AD distance=59' 18489+1615  STF2400AC distance=59' 18489+1615  STF2400A,BC distance=59' 18511+1421  BPMA 64 distance=60' 18533+1557  BPM 879 distance=61' 18496+1621  BPM 849 distance=63' 18493+1416  BPM 845 distance=64' 18459+1450  HEI 397 distance=67' 18503+1626  BPM 859 distance=68' 18497+1629  BRT1311 distance=71' 18503+1408  HEI 398 distance=71' 18462+1432  BPM 822 distance=73' 18551+1522  BPMA 68 distance=74' 18526+1414  BPMA 67 distance=75' 18551+1537  BPM 887 distance=76' 18522+1409  BPM 872 distance=77' 18456+1604  BPM 820 distance=78' 18535+1619  HEI 263 distance=79' 18494+1400  BPM 847 distance=80' 18531+1412  BPM 877 distance=81' 18498+1639  BPM 853 distance=81' grafico limitrofi
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Pass over with the mouse cursor to display the catalog designation.

Show name coord_2000 discov# comp pa sep dist(')
Show 18500+1519 YSC 12 AB 35 0.5 1
Show 18500+1519 LLO 16 AC 19 11.1 1
Show 18500+1519 LLO 16 AD 225 15.7 1
Show 18506+1525 BPM 862 276 60.3 10
Show 18491+1524 BPM 842 278 103.7 15
Show 18510+1505 BPMA 63 327 156.2 20
Show 18515+1507 OL 105 157 4.7 20
Show 18510+1501 HDS2673 299 0.1 23
Show 18506+1458 BPM 863 270 86.3 23
Show 18484+1524 J 2150 34 19.9 25
Show 18484+1542 BPMA 61 54 281.7 34
Show 18504+1554 BPM 860 174 80.3 36
Show 18477+1539 BPM 831 340 117.9 40
Show 18475+1537 HU 584 Aa,Ab 5 0.3 42
Show 18475+1537 GII 20 AB 184 0.3 42
Show 18471+1515 HJ 1344 207 13.0 43
Show 18502+1603 RAO 399 140 2.8 45
Show 18481+1557 BPM 835 272 105.6 48
Show 18517+1600 BPM 870 335 90.7 48
Show 18524+1445 BPMA 66 351 253.5 48
Show 18470+1541 GII 5 102 8.3 50
Show 18487+1426 BPM 839 BC 319 107.1 55
Show 18487+1426 BPM 838 AB 69 91.1 56
Show 18540+1516 L 40 6 12.9 57
Show 18523+1432 STF2411 AB 95 13.3 58
Show 18523+1432 WAL 97 AC 87 60.1 58
Show 18523+1432 WAL 97 AD 118 83.8 58
Show 18489+1615 STF2400 BC 201 1.0 59
Show 18500+1420 BPM 854 271 66.2 59
Show 18489+1615 STF2400 AB 159 9.7 59
Show 18489+1615 STF2400 AD 157 0.4 59
Show 18489+1615 STF2400 AC 161 10.9 59
Show 18489+1615 STF2400 A,BC 160 11.0 59
Show 18511+1421 BPMA 64 274 231.1 60
Show 18533+1557 BPM 879 224 33.0 61
Show 18496+1621 BPM 849 245 101.4 63
Show 18493+1416 BPM 845 100 106.7 64
Show 18459+1450 HEI 397 141 1.1 67
Show 18503+1626 BPM 859 264 110.0 68
Show 18497+1629 BRT1311 204 4.3 71
Show 18503+1408 HEI 398 107 1.8 71
Show 18462+1432 BPM 822 228 116.6 73
Show 18551+1522 BPMA 68 245 229.1 74
Show 18526+1414 BPMA 67 13 220.9 75
Show 18551+1537 BPM 887 40 68.2 76
Show 18522+1409 BPM 872 132 116.0 77
Show 18456+1604 BPM 820 18 61.6 78
Show 18535+1619 HEI 263 353 6.3 79
Show 18494+1400 BPM 847 97 42.6 80
Show 18531+1412 BPM 877 210 85.7 81
Show 18498+1639 BPM 853 163 102.8 81

 
 
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