18570+3254 BU 648 AB,D
18h 57m 01.61s +32° 54' 04.6" P.A. 201.00 sep 83.9 mag 5.22,12.20 Sp G0V dist. 14.87 pc (48.51 l.y.)
| Coord 2000 |
18570+3254 |
|
Discov num |
BU 648 |
|
Comp |
AB,D |
|
Coord arcsec 2000 |
18 57 01.61 +32 54 04.6 |
|
| Date first |
1912 |
|
Date last |
2014 |
|
Obs |
6 |
|
| Pa first |
187 |
|
Pa last |
200.6 |
|
P.A. Now (θ) |
200.6° |
|
| Sep first |
93.3 |
|
Sep last |
83.907 |
|
Sep. Now (ρ) |
83.907" |
|
| Mag pri |
5.22 |
|
Mag sec |
12.20 |
|
delta mag (ΔM) |
6.98 |
|
Spectral class |
G0V (yellow) |
|
| Pri motion ra |
+203 |
|
Sec motion ra |
-004 |
|
| Pri motion dec |
-144 |
|
Sec motion dec |
-020 |
|
| Notes |
N
U
(See Notes, Proper motion indicates non-physical) |
|
rPM=0.97
This double is not physical.
18570+3254 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
67612 |
18 57 02 +32 54 05 |
BU 648 AB |
2020 |
429 |
232 |
1.2 |
5.34 |
7.96 |
2.62 |
Y |
|
| Show |
HD 176051 |
67612 |
18 57 02 +32 54 05 |
BU 648 AB,C |
2015 |
10 |
293 |
76.3 |
5.22 |
11.00 |
5.78 |
|
|
| Show |
|
67612 |
18 57 02 +32 54 05 |
BU 648 AB,D |
2014 |
6 |
201 |
83.9 |
5.22 |
12.20 |
6.98 |
|
<=== |
| Show |
|
67612 |
18 57 02 +32 54 05 |
BU 648 AE |
2015 |
8 |
318 |
124.8 |
5.34 |
12.50 |
7.16 |
|
|
| Show |
|
67612 |
18 57 02 +32 54 05 |
BU 648 AF |
2015 |
9 |
78 |
85.9 |
5.34 |
12.60 |
7.26 |
|
|
Sextuple system
7 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Lyra |
|
SAO |
67612 |
|
HIP |
93017 |
|
Tycho2 |
2643-03345-1 |
|
| Gaia DR2 |
2043885295912608512 |
|
HD |
176051 |
|
HR |
7162 |
|
ADS |
11871 |
|
| GL |
Gl 738A |
|
BD |
BD+32 3267 |
|
Distance |
14.87 |
|
Distance ly |
48.51 |
|
