20529+2920 BOW 9002 AB (HD 198946)
20h 52m 56.21s +29° 19' 54.9" P.A. 354.00 sep 9.9 mag 7.68,12.00 Sp B9V dist. 555.56 pc (1812.24 l.y.)
| Coord 2000 |
20529+2920 |
|
Discov num |
BOW9002 |
|
Comp |
AB |
|
Coord arcsec 2000 |
20 52 56.21 +29 19 54.9 |
|
| Date first |
1900 |
|
Date last |
2015 |
|
Obs |
8 |
|
| Pa first |
355 |
|
Pa last |
354.4 |
|
P.A. Now (θ) |
354.4° |
|
| Sep first |
10.3 |
|
Sep last |
9.879 |
|
Sep. Now (ρ) |
9.879" |
|
| Mag pri |
7.68 |
|
Mag sec |
12.00 |
|
delta mag (ΔM) |
4.32 |
|
Spectral class |
B9V (blue-white) |
|
| Pri motion ra |
+004 |
|
Sec motion ra |
+003 |
|
| Pri motion dec |
-007 |
|
Sec motion dec |
-011 |
|
| Notes |
|
|
rPM=0.362
Nature of this double is uncertain.
20529+2920 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
HD 198946 |
89238 |
20 52 56 +29 19 55 |
BOW 9002 AB |
2015 |
8 |
354 |
9.9 |
7.68 |
12.00 |
4.32 |
|
<=== |
| Show |
|
89238 |
20 52 56 +29 19 55 |
DAM 295 AC |
2015 |
7 |
37 |
22.2 |
7.68 |
12.70 |
5.02 |
|
|
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 198946 |
|
Constellation |
Vulpecula |
|
SAO |
89238 |
|
HIP |
103066 |
|
| Tycho2 |
2183-01933-1 |
|
Gaia DR2 |
1858394626294526208 |
|
HD |
198946 |
|
BD |
BD+28 3915 |
|
| Distance |
555.56 |
|
Distance ly |
1812.24 |
|
