20209+1948 HJ 2954 BC
20h 20m 50.52s +19° 47' 54.3" P.A. 292.00 sep 23.1 mag 10.54,13.00
| Coord 2000 |
20209+1948 |
|
Discov num |
HJ 2954 |
|
Comp |
BC |
|
Coord arcsec 2000 |
20 20 50.52 +19 47 54.3 |
|
| Date first |
1925 |
|
Date last |
2015 |
|
Obs |
5 |
|
| Pa first |
292 |
|
Pa last |
292.1 |
|
P.A. Now (θ) |
292.1° |
|
| Sep first |
19.3 |
|
Sep last |
23.085 |
|
Sep. Now (ρ) |
23.085" |
|
| Mag pri |
10.54 |
|
Mag sec |
13.00 |
|
delta mag (ΔM) |
2.46 |
|
Spectral class |
|
|
| Pri motion ra |
-062 |
|
Sec motion ra |
-003 |
|
| Pri motion dec |
+034 |
|
Sec motion dec |
-004 |
|
| Notes |
|
|
rPM=0.992
This double is not physical.
20209+1948 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
|
20 20 51 +19 47 52 |
HJ 2954 AB |
2018 |
12 |
303 |
3.1 |
10.47 |
10.54 |
0.07 |
|
|
| Show |
|
|
20 20 51 +19 47 54 |
HJ 2954 BC |
2015 |
5 |
292 |
23.1 |
10.54 |
13.00 |
2.46 |
|
<=== |
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Sagitta |
|
Tycho2 |
1639-02174-1 |
|
Gaia DR2 |
1816513472476007040 |
|
HD |
351977 |
|
