18156+4417 ES 1420 AB
18h 15m 33.41s +44° 16' 59.6" P.A. 66.00 sep 8.3 mag 10.22,11.40 Sp A0
| Coord 2000 |
18156+4417 |
|
Discov num |
ES 1420 |
|
Comp |
AB |
|
Coord arcsec 2000 |
18 15 33.41 +44 16 59.6 |
|
| Date first |
1893 |
|
Date last |
2016 |
|
Obs |
15 |
|
| Pa first |
66 |
|
Pa last |
65.8 |
|
P.A. Now (θ) |
65.8° |
|
| Sep first |
8.5 |
|
Sep last |
8.349 |
|
Sep. Now (ρ) |
8.349" |
|
| Mag pri |
10.22 |
|
Mag sec |
11.40 |
|
delta mag (ΔM) |
1.18 |
|
Spectral class |
A0 (white) |
|
| Pri motion ra |
-003 |
|
Sec motion ra |
-005 |
|
| Pri motion dec |
+013 |
|
Sec motion dec |
+012 |
|
| Notes |
|
|
rPM=0.168 (< 0.3, Physical double)
This double is physical.
18156+4417 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
|
18 15 33 +44 16 60 |
ES 1420 AB |
2016 |
15 |
66 |
8.3 |
10.22 |
11.40 |
1.18 |
|
<=== |
| Show |
|
|
18 15 33 +44 16 60 |
ES 1420 AC |
2015 |
10 |
9 |
14.6 |
10.22 |
14.50 |
4.28 |
|
|
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Lyra |
|
Tycho2 |
3115-01661-1 |
|
Gaia DR2 |
2114919382057912832 |
|
