21047+0332 STF 2749 A,BC
21h 04m 45.11s +03° 32' 02.0" P.A. 179.00 sep 3.2 mag 8.06,9.36 Sp G0 dist. 81.83 pc (266.93 l.y.)
| Coord 2000 |
21047+0332 |
|
Discov num |
STF2749 |
|
Comp |
A,BC |
|
Coord arcsec 2000 |
21 04 45.11 +03 32 02.0 |
|
| Date first |
1825 |
|
Date last |
2018 |
|
Obs |
101 |
|
| Pa first |
150 |
|
Pa last |
179.2 |
|
P.A. Now (θ) |
179.2° |
|
| Sep first |
3.6 |
|
Sep last |
3.186 |
|
Sep. Now (ρ) |
3.186" |
|
| Mag pri |
8.06 |
|
Mag sec |
9.36 |
|
delta mag (ΔM) |
1.3 |
|
Spectral class |
G0 (yellow) |
|
| Pri motion ra |
+015 |
|
Sec motion ra |
+016 |
|
| Pri motion dec |
+002 |
|
Sec motion dec |
-013 |
|
| Notes |
N
V
(See Notes, Proper motion indicates physical) |
|
rPM=0.729
This double is physical.
21047+0332 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
126523 |
21 04 45 +03 32 02 |
SE 3 Aa,Ab |
1899 |
3 |
153 |
0.6 |
8.06 |
|
|
|
|
| Show |
|
126523 |
21 04 45 +03 32 02 |
STF 2749 A,BC |
2018 |
101 |
179 |
3.2 |
8.06 |
9.36 |
1.30 |
|
<=== |
| Show |
|
126523 |
21 04 45 +03 32 02 |
STF 2749 AC |
2020 |
13 |
176 |
3.5 |
8.06 |
9.36 |
1.30 |
|
|
| Show |
HD 200660 |
126523 |
21 04 45 +03 32 02 |
SE 3 AD |
2016 |
6 |
78 |
114.3 |
8.00 |
9.59 |
1.59 |
|
|
| Show |
|
|
21 04 45 +03 31 58 |
SE 3 BC |
2017 |
81 |
136 |
0.7 |
9.60 |
10.20 |
0.60 |
Y |
|
Quintuple system
5 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Equuleus |
|
SAO |
126523 |
|
HIP |
104047 |
|
Tycho2 |
0530-01815-1 |
|
| Gaia DR2 |
1731257443928035200 |
|
HD |
200660 |
|
GC |
29436 |
|
BD |
BD+02 4298 |
|
| Distance |
81.83 |
|
Distance ly |
266.93 |
|
