21192-3018 RST 2176 AB (HD 202789)
21h 19m 09.81s -30° 18' 10.1" P.A. 246.00 sep 0.8 mag 9.83,12.02 Sp G6/8V dist. 72.94 pc (237.93 l.y.)
| Coord 2000 |
21192-3018 |
|
Discov num |
RST2176 |
|
Comp |
AB |
|
Coord arcsec 2000 |
21 19 09.81 -30 18 10.1 |
|
| Date first |
1934 |
|
Date last |
1991 |
|
Obs |
5 |
|
| Pa first |
264 |
|
Pa last |
245.5 |
|
P.A. Now (θ) |
245.5° |
|
| Sep first |
0.8 |
|
Sep last |
0.82 |
|
Sep. Now (ρ) |
0.82" |
|
| Mag pri |
9.83 |
|
Mag sec |
12.02 |
|
delta mag (ΔM) |
2.19 |
|
Spectral class |
G6/8V (yellow) |
|
| Pri motion ra |
+281 |
|
Sec motion ra |
+297 |
|
| Pri motion dec |
-010 |
|
Sec motion dec |
-001 |
|
| Notes |
|
|
rPM=0.062 (< 0.3, Physical double)
This double is physical.
21192-3018 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
HD 202789 |
212899 |
21 19 10 -30 18 10 |
RST 2176 AB |
1991 |
5 |
246 |
0.8 |
9.83 |
12.02 |
2.19 |
|
<=== |
| Show |
|
212899 |
21 19 10 -30 18 10 |
WIS 348 AC |
2015 |
3 |
239 |
171.8 |
9.83 |
17.70 |
7.87 |
|
|
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 202789 |
|
Constellation |
Microscopium |
|
SAO |
212899 |
|
HIP |
105252 |
|
| Tycho2 |
7473-00660-1 |
|
Gaia DR2 |
6787650114258326528 |
|
HD |
202789 |
|
CD |
CD-3018510 |
|
| CP |
CP-30 6479 |
|
Distance |
72.94 |
|
Distance ly |
237.93 |
|
