21516+1950 HJ 947 BC
21h 51m 35.56s +19° 49' 33.6" P.A. 297.00 sep 41.1 mag 11.39,13.51
| Coord 2000 |
21516+1950 |
|
Discov num |
HJ 947 |
|
Comp |
BC |
|
Coord arcsec 2000 |
21 51 35.56 +19 49 33.6 |
|
| Date first |
1825 |
|
Date last |
2015 |
|
Obs |
14 |
|
| Pa first |
297 |
|
Pa last |
296.7 |
|
P.A. Now (θ) |
296.7° |
|
| Sep first |
32.7 |
|
Sep last |
41.144 |
|
Sep. Now (ρ) |
41.144" |
|
| Mag pri |
11.39 |
|
Mag sec |
13.51 |
|
delta mag (ΔM) |
2.12 |
|
Spectral class |
|
|
| Pri motion ra |
+007 |
|
Sec motion ra |
-015 |
|
| Pri motion dec |
+001 |
|
Sec motion dec |
-003 |
|
| Notes |
N
(See Notes) |
|
rPM=1.462
This double is not physical.
21516+1950 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
HD 207840 |
107445 |
21 51 34 +19 49 36 |
HJ 947 AB |
2012 |
18 |
98 |
18.9 |
5.78 |
11.39 |
5.61 |
|
|
| Show |
|
107445 |
21 51 34 +19 49 36 |
HJ 947 AC |
2012 |
11 |
310 |
24.3 |
5.78 |
13.51 |
7.73 |
|
|
| Show |
|
|
21 51 36 +19 49 34 |
HJ 947 BC |
2015 |
14 |
297 |
41.1 |
11.39 |
13.51 |
2.12 |
|
<=== |
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Pegasus |
|
Gaia DR2 |
1780482888740920960 |
|
