20544+4042 STT 420 (HD 199218)
20h 54m 22.25s +40° 42' 10.6" P.A. 2.00 sep 5.8 mag 6.69,10.50 Sp B8Vnne dist. 248.14 pc (809.43 l.y.)
| Coord 2000 |
20544+4042 |
|
Discov num |
STT 420 |
|
Comp |
|
|
Coord arcsec 2000 |
20 54 22.25 +40 42 10.6 |
|
| Date first |
1848 |
|
Date last |
2016 |
|
Obs |
19 |
|
| Pa first |
5 |
|
Pa last |
1.6 |
|
P.A. Now (θ) |
1.6° |
|
| Sep first |
5.8 |
|
Sep last |
5.799 |
|
Sep. Now (ρ) |
5.799" |
|
| Mag pri |
6.69 |
|
Mag sec |
10.50 |
|
delta mag (ΔM) |
3.81 |
|
Spectral class |
B8Vnne (blue-white) |
|
| Pri motion ra |
+002 |
|
Sec motion ra |
|
|
| Pri motion dec |
-004 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 199218 |
|
Constellation |
Cygnus |
|
SAO |
50209 |
|
HIP |
103189 |
|
| Tycho2 |
3171-01117-1 |
|
Gaia DR2 |
2065490287079134720 |
|
HD |
199218 |
|
HR |
8009 |
|
| GC |
29182 |
|
ADS |
14413 |
|
BD |
BD+40 4354 |
|
Distance |
248.14 |
|
| Distance ly |
809.43 |
|
