18177+3455 ES 2231
18h 17m 39.36s +34° 55' 06.3" P.A. 257.00 sep 7.6 mag 10.08,11.84 Sp M5 dist. 196.85 pc (642.12 l.y.)
Coord 2000 |
18177+3455 |
|
Discov num |
ES 2231 |
|
Comp |
|
|
Coord arcsec 2000 |
18 17 39.36 +34 55 06.3 |
|
Date first |
1926 |
|
Date last |
2020 |
|
Obs |
14 |
|
Pa first |
270 |
|
Pa last |
257.4 |
|
P.A. Now (θ) |
257.4° |
|
Sep first |
7.5 |
|
Sep last |
7.59 |
|
Sep. Now (ρ) |
7.59" |
|
Mag pri |
10.08 |
|
Mag sec |
11.84 |
|
delta mag (ΔM) |
1.76 |
|
Spectral class |
M5 (red) |
|
Pri motion ra |
+006 |
|
Sec motion ra |
+005 |
|
Pri motion dec |
+013 |
|
Sec motion dec |
-011 |
|
Notes |
|
|
rPM=1.678
This double is not physical.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Lyra |
|
HIP |
89645 |
|
Tycho2 |
2630-00198-1 |
|
Gaia DR2 |
4605548239582687488 |
|
BD |
BD+34 3173 |
|
Distance |
196.85 |
|
Distance ly |
642.12 |
|