20144+1608 BKO 540 BD
20h 14m 22.19s +16° 08' 43.3" P.A. 134.00 sep 9.9 mag 13.40,14.00
| Coord 2000 |
20144+1608 |
|
Discov num |
BKO 540 |
|
Comp |
BD |
|
Coord arcsec 2000 |
20 14 22.19 +16 08 43.3 |
|
| Date first |
1998 |
|
Date last |
2015 |
|
Obs |
8 |
|
| Pa first |
134 |
|
Pa last |
134.1 |
|
P.A. Now (θ) |
134.1° |
|
| Sep first |
9.9 |
|
Sep last |
9.89 |
|
Sep. Now (ρ) |
9.89" |
|
| Mag pri |
13.40 |
|
Mag sec |
14.00 |
|
delta mag (ΔM) |
0.6 |
|
Spectral class |
|
|
| Pri motion ra |
-113 |
|
Sec motion ra |
|
|
| Pri motion dec |
+097 |
|
Sec motion dec |
|
|
| Notes |
N
(See Notes) |
|
Nature of this double is uncertain.
20144+1608 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
|
20 14 24 +16 08 19 |
CHE 228 AB |
2015 |
11 |
309 |
38.6 |
11.19 |
13.29 |
2.10 |
|
|
| Show |
|
|
20 14 24 +16 08 19 |
CHE 228 AC |
2015 |
9 |
268 |
24.4 |
11.19 |
13.96 |
2.77 |
|
|
| Show |
|
|
20 14 22 +16 08 43 |
BKO 540 BD |
2015 |
8 |
134 |
9.9 |
13.40 |
14.00 |
0.60 |
|
<=== |
Quadruple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Sagitta |
|
Gaia DR2 |
1808643546201532416 |
|