18317+2310 HU 321 AB (HD 342464)
18h 31m 41.82s +23° 09' 40.2" P.A. 21.00 sep 20.6 mag 9.60,11.10 Sp G5
Coord 2000 |
18317+2310 |
|
Discov num |
HU 321 |
|
Comp |
AB |
|
Coord arcsec 2000 |
18 31 41.82 +23 09 40.2 |
|
Date first |
1901 |
|
Date last |
2015 |
|
Obs |
33 |
|
Pa first |
342 |
|
Pa last |
21.1 |
|
P.A. Now (θ) |
21.1° |
|
Sep first |
4.3 |
|
Sep last |
20.567 |
|
Sep. Now (ρ) |
20.567" |
|
Mag pri |
9.60 |
|
Mag sec |
11.10 |
|
delta mag (ΔM) |
1.5 |
|
Spectral class |
G5 (yellow) |
|
Pri motion ra |
-069 |
|
Sec motion ra |
+006 |
|
Pri motion dec |
-122 |
|
Sec motion dec |
+010 |
|
Notes |
N
L
(See Notes, Linear solution) |
|
rPM=1.083
This double is not physical.
18317+2310 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
HD 342464 |
|
18 31 42 +23 09 40 |
HU 321 AB |
2015 |
33 |
21 |
20.6 |
9.60 |
11.10 |
1.50 |
|
<=== |
Show |
|
|
18 31 42 +23 09 40 |
HU 321 AC |
2015 |
20 |
342 |
74.4 |
9.60 |
12.10 |
2.50 |
|
|
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 342464 |
|
Constellation |
Hercules |
|
Tycho2 |
2106-00298-1 |
|
Gaia DR2 |
4535447329570405632 |
|
HD |
342464 |
|