21197+3315 HO 155 (HD 203170)
21h 19m 40.80s +33° 15' 14.8" P.A. 38.00 sep 2.0 mag 8.56,10.09 Sp G0 dist. 164.47 pc (536.5 l.y.)
| Coord 2000 |
21197+3315 |
|
Discov num |
HO 155 |
|
Comp |
|
|
Coord arcsec 2000 |
21 19 40.80 +33 15 14.8 |
|
| Date first |
1884 |
|
Date last |
2016 |
|
Obs |
29 |
|
| Pa first |
32 |
|
Pa last |
38 |
|
P.A. Now (θ) |
38° |
|
| Sep first |
2.2 |
|
Sep last |
2.004 |
|
Sep. Now (ρ) |
2.004" |
|
| Mag pri |
8.56 |
|
Mag sec |
10.09 |
|
delta mag (ΔM) |
1.53 |
|
Spectral class |
G0 (yellow) |
|
| Pri motion ra |
+047 |
|
Sec motion ra |
|
|
| Pri motion dec |
+016 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 203170 |
|
Constellation |
Cygnus |
|
SAO |
71208 |
|
HIP |
105300 |
|
| Tycho2 |
2707-01148-1 |
|
Gaia DR2 |
1854631474722616960 |
|
HD |
203170 |
|
BD |
BD+32 4125 |
|
| Distance |
164.47 |
|
Distance ly |
536.5 |
|
