20172+2415 HDS 2893 AB
20h 17m 13.11s +24° 15' 06.9" P.A. 168.00 sep 0.3 mag 9.19,11.49 dist. 398.41 pc (1299.61 l.y.)
| Coord 2000 |
20172+2415 |
|
Discov num |
HDS2893 |
|
Comp |
AB |
|
Coord arcsec 2000 |
20 17 13.11 +24 15 06.9 |
|
| Date first |
1991 |
|
Date last |
2009 |
|
Obs |
3 |
|
| Pa first |
164 |
|
Pa last |
168.4 |
|
P.A. Now (θ) |
168.4° |
|
| Sep first |
0.3 |
|
Sep last |
0.31 |
|
Sep. Now (ρ) |
0.31" |
|
| Mag pri |
9.19 |
|
Mag sec |
11.49 |
|
delta mag (ΔM) |
2.3 |
|
Spectral class |
|
|
| Pri motion ra |
-013 |
|
Sec motion ra |
|
|
| Pri motion dec |
-016 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
20172+2415 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
88457 |
20 17 13 +24 15 07 |
HDS 2893 AB |
2009 |
3 |
168 |
0.3 |
9.19 |
11.49 |
2.30 |
|
<=== |
| Show |
HD 346234 |
88457 |
20 17 13 +24 15 07 |
GRV 326 AC |
2015 |
17 |
262 |
34.8 |
9.19 |
10.22 |
1.03 |
|
|
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Vulpecula |
|
SAO |
88457 |
|
HIP |
99998 |
|
Tycho2 |
2155-00725-1 |
|
| Gaia DR2 |
1832140040958762240 |
|
HD |
193013 |
|
BD |
BD+23 3956 |
|
Distance |
398.41 |
|
| Distance ly |
1299.61 |
|
