18448-5354 HRG 139 AB (HD 172725)
18h 44m 48.92s -53° 53' 35.4" P.A. 311.00 sep 3.4 mag 9.75,9.84 Sp F5V+F5V
| Coord 2000 |
18448-5354 |
|
Discov num |
HRG 139 |
|
Comp |
AB |
|
Coord arcsec 2000 |
18 44 48.92 -53 53 35.4 |
|
| Date first |
1881 |
|
Date last |
2015 |
|
Obs |
11 |
|
| Pa first |
312 |
|
Pa last |
310.6 |
|
P.A. Now (θ) |
310.6° |
|
| Sep first |
2.3 |
|
Sep last |
3.401 |
|
Sep. Now (ρ) |
3.401" |
|
| Mag pri |
9.75 |
|
Mag sec |
9.84 |
|
delta mag (ΔM) |
0.09 |
|
Spectral class |
F5V+F5V (yellow-white/yellow-white) |
|
| Pri motion ra |
-017 |
|
Sec motion ra |
-017 |
|
| Pri motion dec |
+003 |
|
Sec motion dec |
+004 |
|
| Notes |
N
T
W
(See Notes, Parallax indicates physical, ) |
|
rPM=0.057 (< 0.3, Physical double)
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 172725 |
|
Constellation |
Telescopium |
|
SAO |
245672 |
|
Tycho2 |
8758-02849-1 |
|
| HD |
172725 |
|
