21299+5256 STF 2803 AB (HD 204905)
21h 29m 52.95s +52° 56' 01.8" P.A. 285.00 sep 25.9 mag 7.24,9.60 Sp B9.5IV-V
| Coord 2000 |
21299+5256 |
|
Discov num |
STF2803 |
|
Comp |
AB |
|
Coord arcsec 2000 |
21 29 52.95 +52 56 01.8 |
|
| Date first |
1832 |
|
Date last |
2015 |
|
Obs |
32 |
|
| Pa first |
290 |
|
Pa last |
284.6 |
|
P.A. Now (θ) |
284.6° |
|
| Sep first |
22.2 |
|
Sep last |
25.882 |
|
Sep. Now (ρ) |
25.882" |
|
| Mag pri |
7.24 |
|
Mag sec |
9.60 |
|
delta mag (ΔM) |
2.36 |
|
Spectral class |
B9.5IV-V (blue-white) |
|
| Pri motion ra |
+006 |
|
Sec motion ra |
-011 |
|
| Pri motion dec |
+004 |
|
Sec motion dec |
-003 |
|
| Notes |
N
(See Notes) |
|
rPM=1.612
This double is not physical.
21299+5256 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
HD 204905 |
33468 |
21 29 53 +52 56 02 |
STF 2803 AB |
2015 |
32 |
285 |
25.9 |
7.24 |
9.60 |
2.36 |
|
<=== |
| Show |
|
33468 |
21 29 53 +52 56 02 |
GUI 35 AC |
2015 |
15 |
2 |
87.6 |
7.24 |
9.99 |
2.75 |
|
|
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 204905 |
|
Constellation |
Cygnus |
|
SAO |
33468 |
|
HIP |
106124 |
|
| Tycho2 |
3966-01479-1 |
|
Gaia DR2 |
2172660956757005184 |
|
HD |
204905 |
|
GC |
30120 |
|
| BD |
BD+52 2951 |
|
