20087+5320 A 1417 (HD 191687)
20h 08m 40.57s +53° 20' 11.7" P.A. 173.00 sep 0.6 mag 8.16,10.94 Sp K2 dist. 216.45 pc (706.06 l.y.)
| Coord 2000 |
20087+5320 |
|
Discov num |
A 1417 |
|
Comp |
|
|
Coord arcsec 2000 |
20 08 40.57 +53 20 11.7 |
|
| Date first |
1906 |
|
Date last |
2016 |
|
Obs |
8 |
|
| Pa first |
167 |
|
Pa last |
173.4 |
|
P.A. Now (θ) |
173.4° |
|
| Sep first |
0.6 |
|
Sep last |
0.621 |
|
Sep. Now (ρ) |
0.621" |
|
| Mag pri |
8.16 |
|
Mag sec |
10.94 |
|
delta mag (ΔM) |
2.78 |
|
Spectral class |
K2 (yellow-orange) |
|
| Pri motion ra |
+010 |
|
Sec motion ra |
|
|
| Pri motion dec |
-032 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 191687 |
|
Constellation |
Cygnus |
|
SAO |
32312 |
|
HIP |
99238 |
|
| Tycho2 |
3936-01277-1 |
|
Gaia DR2 |
2185403059564019200 |
|
HD |
191687 |
|
BD |
BD+52 2635 |
|
| Distance |
216.45 |
|
Distance ly |
706.06 |
|
