21028+3534 SEI 1375 AB
21h 02m 46.07s +35° 33' 29.8" P.A. 339.00 sep 6.5 mag 12.30,11.50
| Coord 2000 |
21028+3534 |
|
Discov num |
SEI1375 |
|
Comp |
AB |
|
Coord arcsec 2000 |
21 02 46.07 +35 33 29.8 |
|
| Date first |
1896 |
|
Date last |
2020 |
|
Obs |
14 |
|
| Pa first |
339 |
|
Pa last |
338.5 |
|
P.A. Now (θ) |
338.5° |
|
| Sep first |
5.5 |
|
Sep last |
6.501 |
|
Sep. Now (ρ) |
6.501" |
|
| Mag pri |
12.30 |
|
Mag sec |
11.50 |
|
delta mag (ΔM) |
0.8 |
|
Spectral class |
|
|
| Pri motion ra |
+000 |
|
Sec motion ra |
-005 |
|
| Pri motion dec |
-005 |
|
Sec motion dec |
+007 |
|
| Notes |
N
R
(See Notes, Red magnitudes) |
|
rPM=1.511
This double is not physical.
21028+3534 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
|
21 02 46 +35 33 30 |
SEI 1375 AB |
2020 |
14 |
339 |
6.5 |
12.30 |
11.50 |
0.80 |
|
<=== |
| Show |
|
|
21 02 46 +35 33 30 |
SEI 1376 AC |
2020 |
11 |
270 |
11.1 |
12.30 |
12.70 |
0.40 |
|
|
| Show |
|
|
21 02 46 +35 33 36 |
BTG 6 BC |
2020 |
11 |
235 |
10.6 |
11.50 |
12.70 |
1.20 |
|
|
| Show |
|
|
21 02 46 +35 33 36 |
BTG 6 BD |
2020 |
8 |
274 |
15.9 |
11.50 |
14.20 |
2.70 |
|
|
Quadruple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Gaia DR2 |
1868182719322835456 |
|
