18593+5450 MLR 575 AB,C (HD 176868)
18h 59m 20.43s +54° 50' 12.5" P.A. 227.00 sep 21.8 mag 8.75,12.50 Sp A0
Coord 2000 |
18593+5450 |
|
Discov num |
MLR 575 |
|
Comp |
AB,C |
|
Coord arcsec 2000 |
18 59 20.43 +54 50 12.5 |
|
Date first |
1979 |
|
Date last |
2015 |
|
Obs |
7 |
|
Pa first |
227 |
|
Pa last |
226.9 |
|
P.A. Now (θ) |
226.9° |
|
Sep first |
20.9 |
|
Sep last |
21.798 |
|
Sep. Now (ρ) |
21.798" |
|
Mag pri |
8.75 |
|
Mag sec |
12.50 |
|
delta mag (ΔM) |
3.75 |
|
Spectral class |
A0 (white) |
|
Pri motion ra |
+001 |
|
Sec motion ra |
+005 |
|
Pri motion dec |
-002 |
|
Sec motion dec |
+009 |
|
Notes |
|
|
rPM=1.137
This double is not physical.
18593+5450 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
|
31307 |
18 59 20 +54 50 12 |
A 1387 AB |
2016 |
22 |
351 |
0.3 |
9.05 |
10.02 |
0.97 |
|
|
Show |
HD 176868 |
31307 |
18 59 20 +54 50 12 |
MLR 575 AB,C |
2015 |
7 |
227 |
21.8 |
8.75 |
12.50 |
3.75 |
|
<=== |
Triple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 176868 |
|
Constellation |
Draco |
|
SAO |
31307 |
|
Tycho2 |
3923-00810-1 |
|
Gaia DR2 |
2152737668608664704 |
|
HD |
176868 |
|