18521+5120 STF 2416 AC
18h 52m 08.85s +51° 19' 42.8" P.A. 39.00 sep 122.5 mag 8.67,9.41 Sp G0
| Coord 2000 |
18521+5120 |
|
Discov num |
STF2416 |
|
Comp |
AC |
|
Coord arcsec 2000 |
18 52 08.85 +51 19 42.8 |
|
| Date first |
1882 |
|
Date last |
2020 |
|
Obs |
23 |
|
| Pa first |
41 |
|
Pa last |
39.3 |
|
P.A. Now (θ) |
39.3° |
|
| Sep first |
127.2 |
|
Sep last |
122.46 |
|
Sep. Now (ρ) |
122.46" |
|
| Mag pri |
8.67 |
|
Mag sec |
9.41 |
|
delta mag (ΔM) |
0.74 |
|
Spectral class |
G0 (yellow) |
|
| Pri motion ra |
-001 |
|
Sec motion ra |
-015 |
|
| Pri motion dec |
+010 |
|
Sec motion dec |
-020 |
|
| Notes |
|
|
rPM=1.324
This double is not physical.
18521+5120 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
HD 175308 |
31225 |
18 52 09 +51 19 43 |
STF 2416 AB |
2020 |
33 |
157 |
20.3 |
8.67 |
11.17 |
2.50 |
|
|
| Show |
|
31225 |
18 52 09 +51 19 43 |
STF 2416 AC |
2020 |
23 |
39 |
122.5 |
8.67 |
9.41 |
0.74 |
|
<=== |
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Draco |
|
SAO |
31225 |
|
Tycho2 |
3552-00143-1 |
|
Gaia DR2 |
2144476384916929280 |
|
| HD |
175308 |
|
