18488+6853 LDS 2421
18h 48m 48.07s +68° 52' 35.7" P.A. 274.00 sep 34.6 mag 9.73,17.40 Sp G5V+DA dist. 78.86 pc (257.24 l.y.)
| Coord 2000 |
18488+6853 |
|
Discov num |
LDS2421 |
|
Comp |
|
|
Coord arcsec 2000 |
18 48 48.07 +68 52 35.7 |
|
| Date first |
1954 |
|
Date last |
2016 |
|
Obs |
14 |
|
| Pa first |
274 |
|
Pa last |
274.3 |
|
P.A. Now (θ) |
274.3° |
|
| Sep first |
33.0 |
|
Sep last |
34.591 |
|
Sep. Now (ρ) |
34.591" |
|
| Mag pri |
9.73 |
|
Mag sec |
17.40 |
|
delta mag (ΔM) |
7.67 |
|
Spectral class |
G5V+DA (yellow/white dwarf) |
|
| Pri motion ra |
+082 |
|
Sec motion ra |
+111 |
|
| Pri motion dec |
+164 |
|
Sec motion dec |
+155 |
|
| Notes |
V
(Proper motion indicates physical) |
|
rPM=0.159 (< 0.3, Physical double)
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Draco |
|
HIP |
92306 |
|
Tycho2 |
4431-00619-1 |
|
Gaia DR2 |
2259262615716342912 |
|
| BD |
BD+68 1027 |
|
Distance |
78.86 |
|
Distance ly |
257.24 |
|
