19490+4423 A 718 BC
19h 49m 00.90s +44° 22' 45.1" P.A. 34.00 sep 0.1 mag 8.20,8.70 Sp B8III
Coord 2000 |
19490+4423 |
|
Discov num |
A 718 |
|
Comp |
BC |
|
Coord arcsec 2000 |
19 49 00.90 +44 22 45.1 |
|
Date first |
1904 |
|
Date last |
2009 |
|
Obs |
20 |
|
Pa first |
52 |
|
Pa last |
34 |
|
P.A. Now (θ) |
34° |
|
Sep first |
0.3 |
|
Sep last |
0.136 |
|
Sep. Now (ρ) |
0.136" |
|
Mag pri |
8.20 |
|
Mag sec |
8.70 |
|
delta mag (ΔM) |
0.5 |
|
Spectral class |
B8III (blue-white) |
|
Pri motion ra |
+006 |
|
Sec motion ra |
+006 |
|
Pri motion dec |
-001 |
|
Sec motion dec |
-001 |
|
Notes |
N
(See Notes) |
|
Nature of this double is uncertain.
19490+4423 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
HD 187613 |
48866 |
19 49 01 +44 22 45 |
STF 2588 A,BC |
2019 |
43 |
158 |
9.6 |
7.74 |
8.12 |
0.38 |
|
|
Show |
|
|
19 49 01 +44 22 45 |
A 718 BC |
2009 |
20 |
34 |
0.1 |
8.20 |
8.70 |
0.50 |
|
<=== |
Triple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Cygnus |
|
Tycho2 |
3148-01459-1 |
|
Gaia DR2 |
2078942571332155136 |
|