19564+3916 ALI 909 AB
19h 56m 26.45s +39° 15' 28.4" P.A. 201.00 sep 14.7 mag 12.30,12.90
| Coord 2000 |
19564+3916 |
|
Discov num |
ALI 909 |
|
Comp |
AB |
|
Coord arcsec 2000 |
19 56 26.45 +39 15 28.4 |
|
| Date first |
1929 |
|
Date last |
2015 |
|
Obs |
4 |
|
| Pa first |
201 |
|
Pa last |
201 |
|
P.A. Now (θ) |
201° |
|
| Sep first |
14.7 |
|
Sep last |
14.728 |
|
Sep. Now (ρ) |
14.728" |
|
| Mag pri |
12.30 |
|
Mag sec |
12.90 |
|
delta mag (ΔM) |
0.6 |
|
Spectral class |
|
|
| Pri motion ra |
+003 |
|
Sec motion ra |
+004 |
|
| Pri motion dec |
-009 |
|
Sec motion dec |
-025 |
|
| Notes |
|
|
rPM=0.633
Nature of this double is uncertain.
19564+3916 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
|
19 56 26 +39 15 28 |
ALI 909 AB |
2015 |
4 |
201 |
14.7 |
12.30 |
12.90 |
0.60 |
|
<=== |
| Show |
|
|
19 56 26 +39 15 28 |
ALI 909 AC |
2015 |
3 |
215 |
13.3 |
12.30 |
14.10 |
1.80 |
|
|
| Show |
|
|
19 56 26 +39 15 15 |
ALI 909 BC |
2015 |
3 |
320 |
3.7 |
12.90 |
14.10 |
1.20 |
|
|
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Gaia DR2 |
2072716651154227456 |
|
