19583-5154 DUN 229 AB (HD 188557)
19h 58m 15.29s -51° 53' 43.4" P.A. 242.00 sep 80.9 mag 7.65,8.23 Sp A9IV+F6V dist. 87.72 pc (286.14 l.y.)
| Coord 2000 |
19583-5154 |
|
Discov num |
DUN 229 |
|
Comp |
AB |
|
Coord arcsec 2000 |
19 58 15.29 -51 53 43.4 |
|
| Date first |
1826 |
|
Date last |
2016 |
|
Obs |
22 |
|
| Pa first |
247 |
|
Pa last |
242.1 |
|
P.A. Now (θ) |
242.1° |
|
| Sep first |
84.1 |
|
Sep last |
80.87 |
|
Sep. Now (ρ) |
80.87" |
|
| Mag pri |
7.65 |
|
Mag sec |
8.23 |
|
delta mag (ΔM) |
0.58 |
|
Spectral class |
A9IV+F6V (white/yellow-white) |
|
| Pri motion ra |
+046 |
|
Sec motion ra |
+046 |
|
| Pri motion dec |
-044 |
|
Sec motion dec |
-043 |
|
| Notes |
N
T
W
(See Notes, Parallax indicates physical, ) |
|
rPM=0.016 (< 0.3, Physical double)
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 188557 |
|
Constellation |
Telescopium |
|
SAO |
246357 |
|
HIP |
98294 |
|
| Tycho2 |
8403-02136-1 |
|
HD |
188557 |
|
GC |
27623 |
|
CP |
CP-5211589 |
|
| Distance |
87.72 |
|
Distance ly |
286.14 |
|
