20085+4622 A 721 (HD 191528)
20h 08m 27.15s +46° 22' 29.6" P.A. 43.00 sep 4.0 mag 8.42,11.52 Sp Am dist. 393.7 pc (1284.25 l.y.)
| Coord 2000 |
20085+4622 |
|
Discov num |
A 721 |
|
Comp |
|
|
Coord arcsec 2000 |
20 08 27.15 +46 22 29.6 |
|
| Date first |
1904 |
|
Date last |
2016 |
|
Obs |
11 |
|
| Pa first |
45 |
|
Pa last |
43.2 |
|
P.A. Now (θ) |
43.2° |
|
| Sep first |
3.9 |
|
Sep last |
3.99 |
|
Sep. Now (ρ) |
3.99" |
|
| Mag pri |
8.42 |
|
Mag sec |
11.52 |
|
delta mag (ΔM) |
3.1 |
|
Spectral class |
Am (white) |
|
| Pri motion ra |
+011 |
|
Sec motion ra |
+015 |
|
| Pri motion dec |
+001 |
|
Sec motion dec |
+007 |
|
| Notes |
|
|
rPM=0.436
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 191528 |
|
Constellation |
Cygnus |
|
SAO |
49231 |
|
HIP |
99211 |
|
| Tycho2 |
3559-01043-1 |
|
Gaia DR2 |
2082674245076965120 |
|
HD |
191528 |
|
BD |
BD+45 3068 |
|
| Distance |
393.7 |
|
Distance ly |
1284.25 |
|
