19544+3918 HJ 2909 AD
19h 54m 24.36s +39° 17' 18.0" P.A. 246.00 sep 30.6 mag 11.10,12.40 Sp A0
| Coord 2000 |
19544+3918 |
|
Discov num |
HJ 2909 |
|
Comp |
AD |
|
Coord arcsec 2000 |
19 54 24.36 +39 17 18.0 |
|
| Date first |
1895 |
|
Date last |
2015 |
|
Obs |
12 |
|
| Pa first |
247 |
|
Pa last |
246.1 |
|
P.A. Now (θ) |
246.1° |
|
| Sep first |
29.6 |
|
Sep last |
30.555 |
|
Sep. Now (ρ) |
30.555" |
|
| Mag pri |
11.10 |
|
Mag sec |
12.40 |
|
delta mag (ΔM) |
1.3 |
|
Spectral class |
A0 (white) |
|
| Pri motion ra |
+000 |
|
Sec motion ra |
-007 |
|
| Pri motion dec |
-003 |
|
Sec motion dec |
-003 |
|
| Notes |
N
(See Notes) |
|
rPM=0.919
This double is not physical.
19544+3918 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
HD 226471 |
|
19 54 24 +39 17 18 |
SEI 721 AB |
2015 |
12 |
199 |
6.2 |
11.10 |
12.20 |
1.10 |
|
|
| Show |
|
|
19 54 24 +39 17 18 |
SEI 722 AC |
2015 |
11 |
65 |
21.2 |
11.10 |
12.50 |
1.40 |
|
|
| Show |
|
|
19 54 24 +39 17 18 |
HJ 2909 AD |
2015 |
12 |
246 |
30.6 |
11.10 |
12.40 |
1.30 |
|
<=== |
Quadruple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Tycho2 |
3137-00703-1 |
|
Gaia DR2 |
2073383096956069248 |
|
HD |
226471 |
|
