21547+3814 TOK 638 AB
21h 54m 43.61s +38° 14' 08.6" P.A. 65.00 sep 999.9 mag 9.25,12.99 Sp K0 dist. 55.65 pc (181.53 l.y.)
| Coord 2000 |
21547+3814 |
|
Discov num |
TOK 638 |
|
Comp |
AB |
|
Coord arcsec 2000 |
21 54 43.61 +38 14 08.6 |
|
| Date first |
1980 |
|
Date last |
2014 |
|
Obs |
4 |
|
| Pa first |
66 |
|
Pa last |
65.4 |
|
P.A. Now (θ) |
65.4° |
|
| Sep first |
999.9 |
|
Sep last |
1786.38 |
|
Sep. Now (ρ) |
1786.38" |
|
| Mag pri |
9.25 |
|
Mag sec |
12.99 |
|
delta mag (ΔM) |
3.74 |
|
Spectral class |
K0 (yellow-orange) |
|
| Pri motion ra |
+188 |
|
Sec motion ra |
+200 |
|
| Pri motion dec |
+040 |
|
Sec motion dec |
+047 |
|
| Notes |
W
|
|
rPM=0.068 (< 0.3, Physical double)
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
SAO |
71826 |
|
HIP |
108154 |
|
Tycho2 |
3185-00858-1 |
|
| HD |
208328 |
|
BD |
BD+37 4451 |
|
Distance |
55.65 |
|
Distance ly |
181.53 |
|
