21036+5358 HDS 2999 Aa,Ab
21h 03m 38.86s +53° 57' 50.2" P.A. 352.00 sep 0.3 mag 8.80,10.50 Sp A2 dist. 271.74 pc (886.42 l.y.)
| Coord 2000 |
21036+5358 |
|
Discov num |
HDS2999 |
|
Comp |
Aa,Ab |
|
Coord arcsec 2000 |
21 03 38.86 +53 57 50.2 |
|
| Date first |
1991 |
|
Date last |
2016 |
|
Obs |
3 |
|
| Pa first |
8 |
|
Pa last |
351.5 |
|
P.A. Now (θ) |
351.5° |
|
| Sep first |
0.3 |
|
Sep last |
0.337 |
|
Sep. Now (ρ) |
0.337" |
|
| Mag pri |
8.80 |
|
Mag sec |
10.50 |
|
delta mag (ΔM) |
1.7 |
|
Spectral class |
A2 (white) |
|
| Pri motion ra |
-002 |
|
Sec motion ra |
|
|
| Pri motion dec |
-014 |
|
Sec motion dec |
|
|
| Notes |
N
(See Notes) |
|
Nature of this double is uncertain.
21036+5358 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
33097 |
21 03 39 +53 57 50 |
HDS 2999 Aa,Ab |
2016 |
3 |
352 |
0.3 |
8.80 |
10.50 |
1.70 |
|
<=== |
| Show |
HD 200803 |
33097 |
21 03 39 +53 57 50 |
ES 2704 AB |
2015 |
20 |
97 |
54.4 |
8.56 |
8.91 |
0.35 |
|
|
Triple system
2 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
SAO |
33097 |
|
HIP |
103946 |
|
Tycho2 |
3952-00233-1 |
|
| Gaia DR2 |
2176666507667871872 |
|
HD |
200803 |
|
BD |
BD+53 2540 |
|
Distance |
271.74 |
|
| Distance ly |
886.42 |
|
