19489+2550 BKO 740 BC
19h 48m 55.96s +25° 50' 00.6" P.A. 264.00 sep 8.1 mag 10.70,13.60
| Coord 2000 |
19489+2550 |
|
Discov num |
BKO 740 |
|
Comp |
BC |
|
Coord arcsec 2000 |
19 48 55.96 +25 50 00.6 |
|
| Date first |
2000 |
|
Date last |
2015 |
|
Obs |
8 |
|
| Pa first |
261 |
|
Pa last |
263.5 |
|
P.A. Now (θ) |
263.5° |
|
| Sep first |
8.1 |
|
Sep last |
8.066 |
|
Sep. Now (ρ) |
8.066" |
|
| Mag pri |
10.70 |
|
Mag sec |
13.60 |
|
delta mag (ΔM) |
2.9 |
|
Spectral class |
|
|
| Pri motion ra |
+000 |
|
Sec motion ra |
-114 |
|
| Pri motion dec |
-001 |
|
Sec motion dec |
+068 |
|
| Notes |
|
|
rPM=1.004
This double is not physical.
19489+2550 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
|
19 48 55 +25 49 48 |
BKO 740 AB |
2015 |
13 |
38 |
15.9 |
10.32 |
10.75 |
0.43 |
|
|
| Show |
|
|
19 48 55 +25 49 48 |
BKO 740 AD |
2015 |
4 |
94 |
19.3 |
10.32 |
13.50 |
3.18 |
|
|
| Show |
|
|
19 48 56 +25 50 01 |
BKO 740 BC |
2015 |
8 |
264 |
8.1 |
10.70 |
13.60 |
2.90 |
|
<=== |
| Show |
|
|
19 48 57 +25 49 47 |
BKO 740 DE |
2009 |
1 |
323 |
2.2 |
13.50 |
14.00 |
0.50 |
|
|
Quintuple system
5 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Vulpecula |
|
Tycho2 |
2144-01632-1 |
|
Gaia DR2 |
2026980957485216896 |
|
HD |
338999 |
|
