20104+4949 STF 2648 (HD 191974)

20h 10m 23.11s +49° 49' 16.1" P.A. 118.00 sep 6.7 mag 8.11,9.59 Sp F5 dist. 91.91 pc (299.81 l.y.)

Coord 2000 20104+4949 Discov num STF2648 Comp Coord arcsec 2000 20 10 23.11 +49 49 16.1
Date first 1828 Date last 2020 Obs 37
Pa first 117 Pa last 117.5 P.A. Now (θ) 117.5°
Sep first 5.0 Sep last 6.684 Sep. Now (ρ) 6.684"
Mag pri 8.11 Mag sec 9.59 delta mag (ΔM) 1.48 Spectral class F5 (yellow-white)
Pri motion ra +010 Sec motion ra +010
Pri motion dec +043 Sec motion dec +042
Notes




rPM=0.023 (< 0.3, Physical double)

This double is physical.



OTHER CATALOGS AND DESIGNATIONS

Name HD 191974 Constellation Cygnus SAO 49271 HIP 99388
Tycho2 3567-01155-1 Gaia DR2 2087620020176419072 HD 191974 GC 28015
BD BD+49 3212 Distance 91.91 Distance ly 299.81