20499+4640 BU 250 (HD 198625)
20h 49m 54.64s +46° 39' 40.8" P.A. 7.00 sep 18.3 mag 6.33,11.50 Sp B4Ve dist. 492.61 pc (1606.89 l.y.)
| Coord 2000 |
20499+4640 |
|
Discov num |
BU 250 |
|
Comp |
|
|
Coord arcsec 2000 |
20 49 54.64 +46 39 40.8 |
|
| Date first |
1875 |
|
Date last |
2015 |
|
Obs |
13 |
|
| Pa first |
8 |
|
Pa last |
7.2 |
|
P.A. Now (θ) |
7.2° |
|
| Sep first |
20.3 |
|
Sep last |
18.311 |
|
Sep. Now (ρ) |
18.311" |
|
| Mag pri |
6.33 |
|
Mag sec |
11.50 |
|
delta mag (ΔM) |
5.17 |
|
Spectral class |
B4Ve (blue-white) |
|
| Pri motion ra |
+004 |
|
Sec motion ra |
+003 |
|
| Pri motion dec |
+004 |
|
Sec motion dec |
-006 |
|
| Notes |
|
|
rPM=1.498
This double is not physical.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 198625 |
|
Constellation |
Cygnus |
|
SAO |
50119 |
|
HIP |
102827 |
|
| Tycho2 |
3575-06708-1 |
|
Gaia DR2 |
2166458435560706816 |
|
HD |
198625 |
|
HR |
7983 |
|
| GC |
29065 |
|
ADS |
14350 |
|
BD |
BD+46 3067 |
|
Distance |
492.61 |
|
| Distance ly |
1606.89 |
|
