19579+4216 STF 2607 AB,C (HD 189377)

 
 
19h 57m 56.12s +42° 15' 38.9" P.A. 287.00 sep 2.9 mag 6.56,9.09 Sp A3V dist. 325.73 pc (1062.53 l.y.)
 
 
Coord 2000 19579+4216 Discov num STF2607 Comp AB,C Coord arcsec 2000 19 57 56.12 +42 15 38.9
Date first 1831 Date last 2021 Obs 63
Pa first 293 Pa last 287.3 P.A. Now (θ) 287.3°
Sep first 3.2 Sep last 2.919 Sep. Now (ρ) 2.919"
Mag pri 6.56 Mag sec 9.09 delta mag (ΔM) 2.53 Spectral class A3V (white)
Pri motion ra -003 Sec motion ra
Pri motion dec -012 Sec motion dec
Notes N (See Notes)
Nature of this double is uncertain.
 
 
19579+4216 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 49031 19 57 56 +42 15 39 STT 392 AB 1998 42 182 0.1 6.60 8.40 1.80 Y
Show HD 189377 49031 19 57 56 +42 15 39 STF 2607 AB,C 2021 63 287 2.9 6.56 9.09 2.53 <===
Triple system
2 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 189377 Constellation Cygnus SAO 49031 HIP 98253
Tycho2 3145-01210-1 Gaia DR2 2075470794651771776 HD 189377 HR 7638
ADS 13186 BD BD+41 3549 Distance 325.73 Distance ly 1062.53