19489+2550 BKO 740 DE
19h 48m 56.65s +25° 49' 47.0" P.A. 323.00 sep 2.2 mag 13.50,14.00
| Coord 2000 |
19489+2550 |
|
Discov num |
BKO 740 |
|
Comp |
DE |
|
Coord arcsec 2000 |
19 48 56.65 +25 49 47.0 |
|
| Date first |
2009 |
|
Date last |
2009 |
|
Obs |
1 |
|
| Pa first |
323 |
|
Pa last |
322.5 |
|
P.A. Now (θ) |
322.5° |
|
| Sep first |
2.2 |
|
Sep last |
2.19 |
|
Sep. Now (ρ) |
2.19" |
|
| Mag pri |
13.50 |
|
Mag sec |
14.00 |
|
delta mag (ΔM) |
0.5 |
|
Spectral class |
|
|
| Pri motion ra |
+014 |
|
Sec motion ra |
|
|
| Pri motion dec |
-021 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
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 |
|
Gaia DR2 |
2026980888765737344 |
|
