18021-6227 I 618 AB (HD 163785)
18h 02m 07.32s -62° 26' 51.5" P.A. 353.00 sep 3.2 mag 8.98,11.49 Sp G8/K0III dist. 390.63 pc (1274.24 l.y.)
Coord 2000 |
18021-6227 |
|
Discov num |
I 618 |
|
Comp |
AB |
|
Coord arcsec 2000 |
18 02 07.32 -62 26 51.5 |
|
Date first |
1909 |
|
Date last |
2020 |
|
Obs |
7 |
|
Pa first |
0 |
|
Pa last |
353.1 |
|
P.A. Now (θ) |
353.1° |
|
Sep first |
1.7 |
|
Sep last |
3.208 |
|
Sep. Now (ρ) |
3.208" |
|
Mag pri |
8.98 |
|
Mag sec |
11.49 |
|
delta mag (ΔM) |
2.51 |
|
Spectral class |
G8/K0III (yellow) |
|
Pri motion ra |
-002 |
|
Sec motion ra |
+000 |
|
Pri motion dec |
-032 |
|
Sec motion dec |
-024 |
|
Notes |
|
|
rPM=0.257 (< 0.3, Physical double)
This double is physical.
18021-6227 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
HD 163785 |
254112 |
18 02 07 -62 26 52 |
I 618 AB |
2020 |
7 |
353 |
3.2 |
8.98 |
11.49 |
2.51 |
|
<=== |
Show |
|
254112 |
18 02 07 -62 26 52 |
I 618 AC |
2020 |
7 |
34 |
23.5 |
8.98 |
11.50 |
2.52 |
|
|
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 163785 |
|
Constellation |
Pavo |
|
SAO |
254112 |
|
HIP |
88311 |
|
Tycho2 |
9059-01352-1 |
|
Gaia DR2 |
6634088055420510976 |
|
HD |
163785 |
|
CP |
CP-62 5770 |
|
Distance |
390.63 |
|
Distance ly |
1274.24 |
|