19564+3916 ALI 909 BC
19h 56m 25.99s +39° 15' 14.7" P.A. 320.00 sep 3.7 mag 12.90,14.10
| Coord 2000 |
19564+3916 |
|
Discov num |
ALI 909 |
|
Comp |
BC |
|
Coord arcsec 2000 |
19 56 25.99 +39 15 14.7 |
|
| Date first |
1998 |
|
Date last |
2015 |
|
Obs |
3 |
|
| Pa first |
320 |
|
Pa last |
319.6 |
|
P.A. Now (θ) |
319.6° |
|
| Sep first |
3.7 |
|
Sep last |
3.724 |
|
Sep. Now (ρ) |
3.724" |
|
| Mag pri |
12.90 |
|
Mag sec |
14.10 |
|
delta mag (ΔM) |
1.2 |
|
Spectral class |
|
|
| Pri motion ra |
+004 |
|
Sec motion ra |
|
|
| Pri motion dec |
-025 |
|
Sec motion dec |
|
|
| Notes |
|
|
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 |
2072716655477973376 |
|
