21157-0114 STF 2778 AC
21h 15m 39.18s -01° 14' 09.7" P.A. 264.00 sep 69.0 mag 8.71,12.53 Sp F2
| Coord 2000 |
21157-0114 |
|
Discov num |
STF2778 |
|
Comp |
AC |
|
Coord arcsec 2000 |
21 15 39.18 -01 14 09.7 |
|
| Date first |
1909 |
|
Date last |
2015 |
|
Obs |
7 |
|
| Pa first |
261 |
|
Pa last |
263.7 |
|
P.A. Now (θ) |
263.7° |
|
| Sep first |
71.9 |
|
Sep last |
68.994 |
|
Sep. Now (ρ) |
68.994" |
|
| Mag pri |
8.71 |
|
Mag sec |
12.53 |
|
delta mag (ΔM) |
3.82 |
|
Spectral class |
F2 (yellow-white) |
|
| Pri motion ra |
-022 |
|
Sec motion ra |
+000 |
|
| Pri motion dec |
-048 |
|
Sec motion dec |
-003 |
|
| Notes |
|
|
rPM=0.949
This double is not physical.
21157-0114 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
HD 202405 |
145245 |
21 15 39 -01 14 10 |
STF 2778 AB |
2015 |
24 |
284 |
18.4 |
8.71 |
10.90 |
2.19 |
|
|
| Show |
|
145245 |
21 15 39 -01 14 10 |
STF 2778 AC |
2015 |
7 |
264 |
69.0 |
8.71 |
12.53 |
3.82 |
|
<=== |
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Aquarius |
|
SAO |
145245 |
|
Tycho2 |
5194-00740-1 |
|
Gaia DR2 |
2688832565918400512 |
|
| HD |
202405 |
|
