21549-7720 HDS 3117 AB (HD 207496)
21h 54m 51.31s -77° 20' 16.8" P.A. 119.00 sep 2.1 mag 8.40,12.50 Sp K3IV dist. 27.35 pc (89.22 l.y.)
| Coord 2000 |
21549-7720 |
|
Discov num |
HDS3117 |
|
Comp |
AB |
|
Coord arcsec 2000 |
21 54 51.31 -77 20 16.8 |
|
| Date first |
1991 |
|
Date last |
1991 |
|
Obs |
2 |
|
| Pa first |
118 |
|
Pa last |
118.6 |
|
P.A. Now (θ) |
118.6° |
|
| Sep first |
2.1 |
|
Sep last |
2.07 |
|
Sep. Now (ρ) |
2.07" |
|
| Mag pri |
8.40 |
|
Mag sec |
12.50 |
|
delta mag (ΔM) |
4.1 |
|
Spectral class |
K3IV (yellow-orange) |
|
| Pri motion ra |
+229 |
|
Sec motion ra |
+224 |
|
| Pri motion dec |
-189 |
|
Sec motion dec |
-186 |
|
| Notes |
X
(Dubious double) |
|
rPM=0.02 (< 0.3, Physical double)
This double is physical.
21549-7720 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
HD 207496 |
257976 |
21 54 51 -77 20 17 |
HDS 3117 AB |
1991 |
2 |
119 |
2.1 |
8.40 |
12.50 |
4.10 |
|
<=== |
| Show |
|
257976 |
21 54 51 -77 20 17 |
SKF 106 AC |
2019 |
8 |
311 |
7.6 |
8.40 |
12.10 |
3.70 |
|
|
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 207496 |
|
Constellation |
Octans |
|
SAO |
257976 |
|
HIP |
108162 |
|
| Tycho2 |
9478-00418-1 |
|
Gaia DR2 |
6356417496318028800 |
|
HD |
207496 |
|
GC |
30607 |
|
| GL |
NN 4229A |
|
CD |
CD-77 1092 |
|
CP |
CP-77 1522 |
|
Distance |
27.35 |
|
| Distance ly |
89.22 |
|
