21517+1918 BU 1506 BC
21h 51m 39.92s +19° 18' 26.4" P.A. 118.00 sep 29.9 mag 9.89,12.60
| Coord 2000 |
21517+1918 |
|
Discov num |
BU 1506 |
|
Comp |
BC |
|
Coord arcsec 2000 |
21 51 39.92 +19 18 26.4 |
|
| Date first |
1908 |
|
Date last |
2001 |
|
Obs |
4 |
|
| Pa first |
120 |
|
Pa last |
118 |
|
P.A. Now (θ) |
118° |
|
| Sep first |
30.4 |
|
Sep last |
29.913 |
|
Sep. Now (ρ) |
29.913" |
|
| Mag pri |
9.89 |
|
Mag sec |
12.60 |
|
delta mag (ΔM) |
2.71 |
|
Spectral class |
|
|
| Pri motion ra |
-035 |
|
Sec motion ra |
+011 |
|
| Pri motion dec |
-008 |
|
Sec motion dec |
-001 |
|
| Notes |
|
|
rPM=1.296
This double is not physical.
21517+1918 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
HD 207859 |
107450 |
21 51 40 +19 18 25 |
STF 2834 AB |
2016 |
30 |
298 |
4.3 |
6.93 |
9.89 |
2.96 |
|
|
| Show |
|
107450 |
21 51 40 +19 18 25 |
BU 1506 AC |
2015 |
5 |
116 |
29.7 |
6.93 |
12.60 |
5.67 |
|
|
| Show |
|
|
21 51 40 +19 18 26 |
BU 1506 BC |
2001 |
4 |
118 |
29.9 |
9.89 |
12.60 |
2.71 |
|
<=== |
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Pegasus |
|
Gaia DR2 |
1780263772397321216 |
|
