21125+3834 SEI 1445 (HD 202088)
21h 12m 29.51s +38° 33' 59.4" P.A. 23.00 sep 27.9 mag 7.32,11.90 Sp B9 dist. 2325.58 pc (7586.04 l.y.)
Coord 2000 |
21125+3834 |
|
Discov num |
SEI1445 |
|
Comp |
|
|
Coord arcsec 2000 |
21 12 29.51 +38 33 59.4 |
|
Date first |
1895 |
|
Date last |
2014 |
|
Obs |
11 |
|
Pa first |
23 |
|
Pa last |
23.1 |
|
P.A. Now (θ) |
23.1° |
|
Sep first |
27.9 |
|
Sep last |
27.945 |
|
Sep. Now (ρ) |
27.945" |
|
Mag pri |
7.32 |
|
Mag sec |
11.90 |
|
delta mag (ΔM) |
4.58 |
|
Spectral class |
B9 (blue-white) |
|
Pri motion ra |
+001 |
|
Sec motion ra |
+000 |
|
Pri motion dec |
-004 |
|
Sec motion dec |
-005 |
|
Notes |
|
|
rPM=0.283 (< 0.3, Physical double)
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 202088 |
|
Constellation |
Cygnus |
|
SAO |
71065 |
|
HIP |
104699 |
|
Tycho2 |
3169-02102-1 |
|
Gaia DR2 |
1965054985130539904 |
|
HD |
202088 |
|
BD |
BD+37 4222 |
|
Distance |
2325.58 |
|
Distance ly |
7586.04 |
|