10551-3100 OL 42 AB (HD 94640)
10h 55m 05.30s -30° 59' 34.2" P.A. 153.00 sep 3.6 mag 9.99,11.10 Sp A3V:
Coord 2000 |
10551-3100 |
|
Discov num |
OL 42 |
|
Comp |
AB |
|
Coord arcsec 2000 |
10 55 05.30 -30 59 34.2 |
|
Date first |
1910 |
|
Date last |
2016 |
|
Obs |
13 |
|
Pa first |
154 |
|
Pa last |
152.9 |
|
P.A. Now (θ) |
152.9° |
|
Sep first |
3.3 |
|
Sep last |
3.603 |
|
Sep. Now (ρ) |
3.603" |
|
Mag pri |
9.99 |
|
Mag sec |
11.10 |
|
delta mag (ΔM) |
1.11 |
|
Spectral class |
A3V: (white) |
|
Pri motion ra |
-002 |
|
Sec motion ra |
+017 |
|
Pri motion dec |
+025 |
|
Sec motion dec |
-062 |
|
Notes |
|
|
rPM=1.385
This double is not physical.
10551-3100 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
HD 94640 |
|
10 55 05 -30 59 34 |
OL 42 AB |
2016 |
13 |
153 |
3.6 |
9.99 |
11.10 |
1.11 |
|
<=== |
Show |
|
|
10 55 05 -30 59 34 |
OL 42 AC |
2017 |
10 |
37 |
35.3 |
9.99 |
10.97 |
0.98 |
|
|
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 94640 |
|
Constellation |
Hydra |
|
Tycho2 |
7199-01477-1 |
|
Gaia DR2 |
5451312306156023552 |
|
HD |
94640 |
|