20222+1623 STF 2670 AB (HD 355469)
20h 22m 12.39s +16° 22' 49.4" P.A. 153.00 sep 30.0 mag 8.99,9.19 Sp A8V dist. 934.58 pc (3048.6 l.y.)
| Coord 2000 |
20222+1623 |
|
Discov num |
STF2670 |
|
Comp |
AB |
|
Coord arcsec 2000 |
20 22 12.39 +16 22 49.4 |
|
| Date first |
1829 |
|
Date last |
2019 |
|
Obs |
42 |
|
| Pa first |
151 |
|
Pa last |
153.2 |
|
P.A. Now (θ) |
153.2° |
|
| Sep first |
30.6 |
|
Sep last |
30.036 |
|
Sep. Now (ρ) |
30.036" |
|
| Mag pri |
8.99 |
|
Mag sec |
9.19 |
|
delta mag (ΔM) |
0.2 |
|
Spectral class |
A8V (white) |
|
| Pri motion ra |
+011 |
|
Sec motion ra |
+001 |
|
| Pri motion dec |
+000 |
|
Sec motion dec |
+004 |
|
| Notes |
U
Z
(Proper motion indicates non-physical, Parallax indicates components are physical) |
|
rPM=0.979
This double is not physical.
20222+1623 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
HD 355469 |
106029 |
20 22 12 +16 22 49 |
STF 2670 AB |
2019 |
42 |
153 |
30.0 |
8.99 |
9.19 |
0.20 |
|
<=== |
| Show |
|
106029 |
20 22 12 +16 22 49 |
GUI 31 AC |
2016 |
21 |
129 |
37.0 |
8.99 |
10.60 |
1.61 |
|
|
| Show |
|
106029 |
20 22 12 +16 22 49 |
ABH 139 AD |
2016 |
15 |
143 |
93.0 |
8.99 |
11.67 |
2.68 |
|
|
| Show |
|
|
20 22 13 +16 22 23 |
STF 2670 BC |
2019 |
29 |
77 |
15.9 |
9.19 |
10.60 |
1.41 |
|
|
Quadruple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 355469 |
|
Constellation |
Delphinus |
|
SAO |
106029 |
|
HIP |
100446 |
|
| Tycho2 |
1631-02374-1 |
|
Gaia DR2 |
1808820327052705280 |
|
HD |
355469 |
|
GC |
28326 |
|
| BD |
BD+15 4142 |
|
Distance |
934.58 |
|
Distance ly |
3048.6 |
|
