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 |
|