20585+5028 STF 2741 AB (HD 199955)
20h 58m 30.03s +50° 27' 42.4" P.A. 24.00 sep 2.0 mag 5.94,6.79 Sp B5Vn dist. 331.13 pc (1080.15 l.y.)
Coord 2000 |
20585+5028 |
|
Discov num |
STF2741 |
|
Comp |
AB |
|
Coord arcsec 2000 |
20 58 30.03 +50 27 42.4 |
|
Date first |
1783 |
|
Date last |
2019 |
|
Obs |
153 |
|
Pa first |
44 |
|
Pa last |
23.9 |
|
P.A. Now (θ) |
23.9° |
|
Sep first |
1.2 |
|
Sep last |
1.967 |
|
Sep. Now (ρ) |
1.967" |
|
Mag pri |
5.94 |
|
Mag sec |
6.79 |
|
delta mag (ΔM) |
0.85 |
|
Spectral class |
B5Vn (blue-white) |
|
Pri motion ra |
+005 |
|
Sec motion ra |
+005 |
|
Pri motion dec |
+003 |
|
Sec motion dec |
+003 |
|
Notes |
N
V
(See Notes, Proper motion indicates physical) |
|
This double is physical.
20585+5028 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
HD 199955 |
33034 |
20 58 30 +50 27 42 |
STF 2741 AB |
2019 |
153 |
24 |
2.0 |
5.94 |
6.79 |
0.85 |
|
<=== |
Show |
|
33034 |
20 58 30 +50 27 42 |
STF 2741 AC |
2003 |
5 |
355 |
138.6 |
5.94 |
11.77 |
5.83 |
|
|
Show |
|
|
20 58 29 +50 30 01 |
BU 9007 CD |
2015 |
6 |
50 |
13.3 |
12.30 |
13.30 |
1.00 |
|
|
Quadruple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 199955 |
|
Constellation |
Cygnus |
|
SAO |
33034 |
|
HIP |
103530 |
|
Tycho2 |
3583-01164-1 |
|
Gaia DR2 |
2168990198522326528 |
|
HD |
199955 |
|
HR |
8040 |
|
GC |
29291 |
|
ADS |
14504 |
|
BD |
BD+49 3426 |
|
Distance |
331.13 |
|
Distance ly |
1080.15 |
|