20257+5508 A 1429 (HD 194907)
20h 25m 40.71s +55° 08' 20.3" P.A. 187.00 sep 0.7 mag 8.57,9.35 Sp A2V dist. 289.02 pc (942.78 l.y.)
| Coord 2000 |
20257+5508 |
|
Discov num |
A 1429 |
|
Comp |
|
|
Coord arcsec 2000 |
20 25 40.71 +55 08 20.3 |
|
| Date first |
1906 |
|
Date last |
2016 |
|
Obs |
17 |
|
| Pa first |
197 |
|
Pa last |
186.8 |
|
P.A. Now (θ) |
186.8° |
|
| Sep first |
0.7 |
|
Sep last |
0.68 |
|
Sep. Now (ρ) |
0.68" |
|
| Mag pri |
8.57 |
|
Mag sec |
9.35 |
|
delta mag (ΔM) |
0.78 |
|
Spectral class |
A2V (white) |
|
| Pri motion ra |
+004 |
|
Sec motion ra |
+004 |
|
| Pri motion dec |
+003 |
|
Sec motion dec |
+003 |
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 194907 |
|
Constellation |
Cygnus |
|
SAO |
32570 |
|
HIP |
100755 |
|
| Tycho2 |
3941-01889-1 |
|
Gaia DR2 |
2186591562917346304 |
|
HD |
194907 |
|
BD |
BD+54 2349 |
|
| Distance |
289.02 |
|
Distance ly |
942.78 |
|
