10084-1945 BU 911 AB (HD 87998)
10h 08m 21.38s -19° 45' 18.8" P.A. 315.00 sep 4.1 mag 7.35,11.21 Sp G0V dist. 37.57 pc (122.55 l.y.)
| Coord 2000 |
10084-1945 |
|
Discov num |
BU 911 |
|
Comp |
AB |
|
Coord arcsec 2000 |
10 08 21.38 -19 45 18.8 |
|
| Date first |
1880 |
|
Date last |
2016 |
|
Obs |
22 |
|
| Pa first |
312 |
|
Pa last |
315.3 |
|
P.A. Now (θ) |
315.3° |
|
| Sep first |
4.8 |
|
Sep last |
4.115 |
|
Sep. Now (ρ) |
4.115" |
|
| Mag pri |
7.35 |
|
Mag sec |
11.21 |
|
delta mag (ΔM) |
3.86 |
|
Spectral class |
G0V (yellow) |
|
| Pri motion ra |
-148 |
|
Sec motion ra |
-148 |
|
| Pri motion dec |
-329 |
|
Sec motion dec |
-329 |
|
| Notes |
N
V
(See Notes, Proper motion indicates physical) |
|
This double is physical.
10084-1945 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
HD 87998 |
155757 |
10 08 21 -19 45 19 |
BU 911 AB |
2016 |
22 |
315 |
4.1 |
7.35 |
11.21 |
3.86 |
|
<=== |
| Show |
|
155757 |
10 08 21 -19 45 19 |
BU 911 AC |
2016 |
20 |
54 |
83.4 |
7.35 |
11.38 |
4.03 |
|
|
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 87998 |
|
Constellation |
Hydra |
|
SAO |
155757 |
|
HIP |
49668 |
|
| Tycho2 |
6067-00598-1 |
|
HD |
87998 |
|
GC |
13929 |
|
BD |
BD-19 2926 |
|
| Distance |
37.57 |
|
Distance ly |
122.55 |
|
