20315+5611 HJ 1540 AC
20h 31m 29.57s +56° 10' 48.0" P.A. 130.00 sep 40.7 mag 8.52,13.48 Sp B5 dist. 970.87 pc (3166.98 l.y.)
| Coord 2000 |
20315+5611 |
|
Discov num |
HJ 1540 |
|
Comp |
AC |
|
Coord arcsec 2000 |
20 31 29.57 +56 10 48.0 |
|
| Date first |
1905 |
|
Date last |
2015 |
|
Obs |
10 |
|
| Pa first |
131 |
|
Pa last |
130 |
|
P.A. Now (θ) |
130° |
|
| Sep first |
41.8 |
|
Sep last |
40.727 |
|
Sep. Now (ρ) |
40.727" |
|
| Mag pri |
8.52 |
|
Mag sec |
13.48 |
|
delta mag (ΔM) |
4.96 |
|
Spectral class |
B5 (blue-white) |
|
| Pri motion ra |
-002 |
|
Sec motion ra |
-006 |
|
| Pri motion dec |
-005 |
|
Sec motion dec |
+005 |
|
| Notes |
|
|
rPM=1.379
This double is not physical.
20315+5611 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
HD 239436 |
32661 |
20 31 30 +56 10 48 |
HJ 1540 AB |
2015 |
12 |
346 |
22.7 |
8.52 |
11.90 |
3.38 |
|
|
| Show |
|
32661 |
20 31 30 +56 10 48 |
HJ 1540 AC |
2015 |
10 |
130 |
40.7 |
8.52 |
13.48 |
4.96 |
|
<=== |
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
SAO |
32661 |
|
HIP |
101256 |
|
Tycho2 |
3954-00366-1 |
|
| Gaia DR2 |
2186762433896230144 |
|
HD |
239436 |
|
BD |
BD+55 2417 |
|
Distance |
970.87 |
|
| Distance ly |
3166.98 |
|
