20553+4231 STT 423 (HD 199355)
20h 55m 17.96s +42° 30' 48.6" P.A. 76.00 sep 2.7 mag 7.12,9.64 Sp B9 dist. 418.41 pc (1364.85 l.y.)
| Coord 2000 |
20553+4231 |
|
Discov num |
STT 423 |
|
Comp |
|
|
Coord arcsec 2000 |
20 55 17.96 +42 30 48.6 |
|
| Date first |
1853 |
|
Date last |
2016 |
|
Obs |
21 |
|
| Pa first |
75 |
|
Pa last |
76.1 |
|
P.A. Now (θ) |
76.1° |
|
| Sep first |
2.8 |
|
Sep last |
2.73 |
|
Sep. Now (ρ) |
2.73" |
|
| Mag pri |
7.12 |
|
Mag sec |
9.64 |
|
delta mag (ΔM) |
2.52 |
|
Spectral class |
B9 (blue-white) |
|
| Pri motion ra |
+000 |
|
Sec motion ra |
|
|
| Pri motion dec |
+001 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 199355 |
|
Constellation |
Cygnus |
|
SAO |
50226 |
|
HIP |
103272 |
|
| Tycho2 |
3175-00170-1 |
|
Gaia DR2 |
2065939093976320512 |
|
HD |
199355 |
|
GC |
29208 |
|
| BD |
BD+41 3932 |
|
Distance |
418.41 |
|
Distance ly |
1364.85 |
|