19490+4423 STF 2588 A,BC (HD 187613)
19h 49m 00.90s +44° 22' 45.1" P.A. 158.00 sep 9.6 mag 7.74,8.12 Sp B8III dist. 854.7 pc (2788.03 l.y.)
Coord 2000 |
19490+4423 |
|
Discov num |
STF2588 |
|
Comp |
A,BC |
|
Coord arcsec 2000 |
19 49 00.90 +44 22 45.1 |
|
Date first |
1783 |
|
Date last |
2019 |
|
Obs |
43 |
|
Pa first |
161 |
|
Pa last |
158.2 |
|
P.A. Now (θ) |
158.2° |
|
Sep first |
10.3 |
|
Sep last |
9.642 |
|
Sep. Now (ρ) |
9.642" |
|
Mag pri |
7.74 |
|
Mag sec |
8.12 |
|
delta mag (ΔM) |
0.38 |
|
Spectral class |
B8III (blue-white) |
|
Pri motion ra |
+001 |
|
Sec motion ra |
+003 |
|
Pri motion dec |
-003 |
|
Sec motion dec |
-001 |
|
Notes |
N
V
(See Notes, Proper motion indicates physical) |
|
rPM=0.894
This double is physical.
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
Name |
HD 187613 |
|
Constellation |
Cygnus |
|
SAO |
48866 |
|
HIP |
97498 |
|
Tycho2 |
3148-00155-1 |
|
Gaia DR2 |
2078942571332155136 |
|
HD |
187613 |
|
GC |
27447 |
|
BD |
BD+44 3261 |
|
Distance |
854.7 |
|
Distance ly |
2788.03 |
|