17251+0348 BAL 2440 AB (HD 157759)
17h 25m 05.52s +03° 48' 11.7" P.A. 4.00 sep 8.0 mag 9.74,10.45 Sp K2
| Coord 2000 |
17251+0348 |
|
Discov num |
BAL2440 |
|
Comp |
AB |
|
Coord arcsec 2000 |
17 25 05.52 +03 48 11.7 |
|
| Date first |
1910 |
|
Date last |
2020 |
|
Obs |
16 |
|
| Pa first |
11 |
|
Pa last |
4 |
|
P.A. Now (θ) |
4° |
|
| Sep first |
8.5 |
|
Sep last |
8.046 |
|
Sep. Now (ρ) |
8.046" |
|
| Mag pri |
9.74 |
|
Mag sec |
10.45 |
|
delta mag (ΔM) |
0.71 |
|
Spectral class |
K2 (yellow-orange) |
|
| Pri motion ra |
+000 |
|
Sec motion ra |
-001 |
|
| Pri motion dec |
-089 |
|
Sec motion dec |
-084 |
|
| Notes |
T
(Parallax indicates physical) |
|
rPM=0.057 (< 0.3, Physical double)
This double is physical.
17251+0348 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
HD 157759 |
|
17 25 06 +03 48 12 |
BAL 2440 AB |
2020 |
16 |
4 |
8.0 |
9.74 |
10.45 |
0.71 |
|
<=== |
| Show |
|
|
17 25 06 +03 48 20 |
GKM 9375 Ba,Bb |
2022 |
1 |
302 |
0.2 |
10.10 |
12.90 |
2.80 |
|
|
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 157759 |
|
Constellation |
Ophiuchus |
|
Tycho2 |
0409-01456-1 |
|
HD |
157759 |
|