18329+3850 STTA 171 AB (HD 171384)

18h 32m 51.48s +38° 49' 59.8" P.A. 328.00 sep 150.1 mag 7.02,8.12 Sp F8+G5

Coord 2000 18329+3850 Discov num STTA171 Comp AB Coord arcsec 2000 18 32 51.48 +38 49 59.8
Date first 1829 Date last 2017 Obs 38
Pa first 316 Pa last 327.9 P.A. Now (θ) 327.9°
Sep first 139.3 Sep last 150.1 Sep. Now (ρ) 150.1"
Mag pri 7.02 Mag sec 8.12 delta mag (ΔM) 1.1 Spectral class F8+G5 (yellow-white/yellow)
Pri motion ra -007 Sec motion ra +097
Pri motion dec -084 Sec motion dec +072
Notes N W (See Notes, )




rPM=1.552

This double is not physical.



18329+3850 SYSTEM COMPONENTS

Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 171384 67097 18 32 51 +38 49 60 STTA 171 AB 2017 38 328 150.1 7.02 8.12 1.10 <===
Show 67097 18 32 51 +38 49 60 SLE 200 AC 2015 6 226 68.9 7.02 12.50 5.48
Show 67097 18 32 51 +38 49 60 SLE 200 AD 2015 6 248 93.6 7.02 12.70 5.68
Show 67097 18 32 51 +38 49 60 SLE 200 AE 2015 6 228 111.2 7.02 12.60 5.58
Show 67097 18 32 51 +38 49 60 SLE 200 AF 2015 6 344 134.6 7.02 12.40 5.38
Show 67097 18 32 51 +38 49 60 STTA 171 AG 2017 14 133 80.7 7.02 11.10 4.08
Show 67097 18 32 51 +38 49 60 FYM 41 AH 2015 4 349 74.6 7.02 14.50 7.48
Show 67097 18 32 51 +38 49 60 FYM 41 AI 2015 4 349 81.5 7.02 14.50 7.48
Show 67097 18 32 51 +38 49 60 FYM 41 AJ 2015 4 125 129.9 7.02 15.00 7.98
Show 67097 18 32 51 +38 49 60 FYM 41 AK 2015 4 289 100.5 7.02 14.50 7.48
Show 67097 18 32 51 +38 49 60 FYM 41 AL 2015 4 302 115.2 7.02 14.00 6.98
Show 67097 18 32 51 +38 49 60 FYM 41 AM 2015 4 309 126.0 7.02 14.00 6.98
Show 67093 18 32 44 +38 52 05 FYM 41 BN 2015 7 87 41.9 8.12 13.80 5.68


14-fold system
14 estimated visually detectable stars in this system



OTHER CATALOGS AND DESIGNATIONS

Name HD 171384 Constellation Lyra SAO 67097 Tycho2 3105-00934-1
Gaia DR2 2108452638780763008 HD 171384 GC 25352