18429+4456 STF 2380 (HD 173399)
18h 42m 55.42s +44° 55' 30.9" P.A. 8.00 sep 25.5 mag 7.28,8.70 Sp G8III dist. 138.12 pc (450.55 l.y.)
Coord 2000 |
18429+4456 |
|
Discov num |
STF2380 |
|
Comp |
|
|
Coord arcsec 2000 |
18 42 55.42 +44 55 30.9 |
|
Date first |
1831 |
|
Date last |
2015 |
|
Obs |
56 |
|
Pa first |
10 |
|
Pa last |
7.6 |
|
P.A. Now (θ) |
7.6° |
|
Sep first |
25.8 |
|
Sep last |
25.52 |
|
Sep. Now (ρ) |
25.52" |
|
Mag pri |
7.28 |
|
Mag sec |
8.70 |
|
delta mag (ΔM) |
1.42 |
|
Spectral class |
G8III (yellow) |
|
Pri motion ra |
-013 |
|
Sec motion ra |
-012 |
|
Pri motion dec |
-018 |
|
Sec motion dec |
-020 |
|
Notes |
N
V
(See Notes, Proper motion indicates physical) |
|
rPM=0.096 (< 0.3, Physical double)
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 173399 |
|
Constellation |
Lyra |
|
SAO |
47727 |
|
HIP |
91782 |
|
Tycho2 |
3130-02982-1 |
|
Gaia DR2 |
2117485191223202560 |
|
HD |
173399 |
|
GC |
25623 |
|
ADS |
11616 |
|
DM |
BD+44 2974 |
|
BD |
BD+44 2973 |
|
Distance |
138.12 |
|
Distance ly |
450.55 |
|