21046+1201 BU 70 AB (HD 200689)
21h 04m 37.77s +12° 01' 29.1" P.A. 240.00 sep 81.7 mag 8.56,11.41 Sp K0 dist. 202.02 pc (658.99 l.y.)
| Coord 2000 |
21046+1201 |
|
Discov num |
BU 70 |
|
Comp |
AB |
|
Coord arcsec 2000 |
21 04 37.77 +12 01 29.1 |
|
| Date first |
1891 |
|
Date last |
2015 |
|
Obs |
14 |
|
| Pa first |
239 |
|
Pa last |
240 |
|
P.A. Now (θ) |
240° |
|
| Sep first |
78.6 |
|
Sep last |
81.676 |
|
Sep. Now (ρ) |
81.676" |
|
| Mag pri |
8.56 |
|
Mag sec |
11.41 |
|
delta mag (ΔM) |
2.85 |
|
Spectral class |
K0 (yellow-orange) |
|
| Pri motion ra |
+028 |
|
Sec motion ra |
-008 |
|
| Pri motion dec |
-011 |
|
Sec motion dec |
-003 |
|
| Notes |
|
|
rPM=1.226
This double is not physical.
21046+1201 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
HD 200689 |
106818 |
21 04 38 +12 01 29 |
BU 70 AB |
2015 |
14 |
240 |
81.7 |
8.56 |
11.41 |
2.85 |
|
<=== |
| Show |
|
106818 |
21 04 38 +12 01 29 |
BU 70 AC |
2016 |
20 |
236 |
74.6 |
7.83 |
11.80 |
3.97 |
|
|
| Show |
|
|
21 04 33 +12 00 48 |
BU 70 BC |
2017 |
20 |
97 |
9.2 |
9.80 |
10.00 |
0.20 |
|
|
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 200689 |
|
Constellation |
Equuleus |
|
SAO |
106818 |
|
HIP |
104035 |
|
| Tycho2 |
1112-02185-1 |
|
Gaia DR2 |
1757297555766672128 |
|
HD |
200689 |
|
BD |
BD+11 4468 |
|
| Distance |
202.02 |
|
Distance ly |
658.99 |
|
