20429+4311 ES 1446 (HD 197559)
20h 42m 54.24s +43° 10' 38.7" P.A. 134.00 sep 4.5 mag 8.46,11.40 Sp A dist. 420.17 pc (1370.59 l.y.)
| Coord 2000 |
20429+4311 |
|
Discov num |
ES 1446 |
|
Comp |
|
|
Coord arcsec 2000 |
20 42 54.24 +43 10 38.7 |
|
| Date first |
1915 |
|
Date last |
2016 |
|
Obs |
5 |
|
| Pa first |
131 |
|
Pa last |
133.7 |
|
P.A. Now (θ) |
133.7° |
|
| Sep first |
4.5 |
|
Sep last |
4.481 |
|
Sep. Now (ρ) |
4.481" |
|
| Mag pri |
8.46 |
|
Mag sec |
11.40 |
|
delta mag (ΔM) |
2.94 |
|
Spectral class |
A (white) |
|
| Pri motion ra |
-002 |
|
Sec motion ra |
|
|
| Pri motion dec |
+001 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 197559 |
|
Constellation |
Cygnus |
|
SAO |
49970 |
|
HIP |
102232 |
|
| Tycho2 |
3178-00699-1 |
|
Gaia DR2 |
2066583820109003904 |
|
HD |
197559 |
|
BD |
BD+42 3839 |
|
| Distance |
420.17 |
|
Distance ly |
1370.59 |
|
