18552+5750 HJ 2848 AB
18h 55m 09.61s +57° 49' 30.5" P.A. 289.00 sep 6.5 mag 10.49,12.00
| Coord 2000 |
18552+5750 |
|
Discov num |
HJ 2848 |
|
Comp |
AB |
|
Coord arcsec 2000 |
18 55 09.61 +57 49 30.5 |
|
| Date first |
1831 |
|
Date last |
2015 |
|
Obs |
13 |
|
| Pa first |
296 |
|
Pa last |
289.4 |
|
P.A. Now (θ) |
289.4° |
|
| Sep first |
3.0 |
|
Sep last |
6.537 |
|
Sep. Now (ρ) |
6.537" |
|
| Mag pri |
10.49 |
|
Mag sec |
12.00 |
|
delta mag (ΔM) |
1.51 |
|
Spectral class |
|
|
| Pri motion ra |
+008 |
|
Sec motion ra |
+002 |
|
| Pri motion dec |
-013 |
|
Sec motion dec |
-024 |
|
| Notes |
|
|
rPM=0.52
Nature of this double is uncertain.
18552+5750 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
|
18 55 10 +57 49 30 |
HJ 2848 AB |
2015 |
13 |
289 |
6.5 |
10.49 |
12.00 |
1.51 |
|
<=== |
| Show |
|
|
18 55 10 +57 49 30 |
HJ 2848 AC |
2015 |
9 |
52 |
30.0 |
10.49 |
12.50 |
2.01 |
|
|
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Draco |
|
Tycho2 |
3927-00215-1 |
|
Gaia DR2 |
2153727538313439104 |
|
