18130-3910 I 1018 (HD 166553)
18h 12m 59.14s -39° 09' 42.7" P.A. 336.00 sep 1.1 mag 7.34,10.93 Sp G1/2V dist. 45.83 pc (149.5 l.y.)
Coord 2000 |
18130-3910 |
|
Discov num |
I 1018 |
|
Comp |
|
|
Coord arcsec 2000 |
18 12 59.14 -39 09 42.7 |
|
Date first |
1910 |
|
Date last |
2018 |
|
Obs |
12 |
|
Pa first |
275 |
|
Pa last |
335.8 |
|
P.A. Now (θ) |
335.8° |
|
Sep first |
1.8 |
|
Sep last |
1.134 |
|
Sep. Now (ρ) |
1.134" |
|
Mag pri |
7.34 |
|
Mag sec |
10.93 |
|
delta mag (ΔM) |
3.59 |
|
Spectral class |
G1/2V (yellow) |
|
Pri motion ra |
+029 |
|
Sec motion ra |
+027 |
|
Pri motion dec |
-145 |
|
Sec motion dec |
-145 |
|
Notes |
|
|
rPM=0.014 (< 0.3, Physical double)
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 166553 |
|
Constellation |
Corona Austrina |
|
SAO |
209855 |
|
HIP |
89269 |
|
Tycho2 |
7900-02181-1 |
|
Gaia DR2 |
6726054201610430976 |
|
HD |
166553 |
|
GC |
24821 |
|
CD |
CD-3912330 |
|
CP |
CP-39 8002 |
|
Distance |
45.83 |
|
Distance ly |
149.5 |
|