20216+3725 SEI 1100 AB
20h 21m 38.68s +37° 25' 15.1" P.A. 286.00 sep 7.2 mag 10.66,11.50 Sp O8V
| Coord 2000 |
20216+3725 |
|
Discov num |
SEI1100 |
|
Comp |
AB |
|
Coord arcsec 2000 |
20 21 38.68 +37 25 15.1 |
|
| Date first |
1895 |
|
Date last |
2015 |
|
Obs |
12 |
|
| Pa first |
290 |
|
Pa last |
286.3 |
|
P.A. Now (θ) |
286.3° |
|
| Sep first |
6.6 |
|
Sep last |
7.224 |
|
Sep. Now (ρ) |
7.224" |
|
| Mag pri |
10.66 |
|
Mag sec |
11.50 |
|
delta mag (ΔM) |
0.84 |
|
Spectral class |
O8V (blue) |
|
| Pri motion ra |
-005 |
|
Sec motion ra |
-024 |
|
| Pri motion dec |
-004 |
|
Sec motion dec |
-011 |
|
| Notes |
|
|
rPM=0.767
Nature of this double is uncertain.
20216+3725 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
|
20 21 39 +37 25 15 |
SEI 1100 AB |
2015 |
12 |
286 |
7.2 |
10.66 |
11.50 |
0.84 |
|
<=== |
| Show |
|
|
20 21 39 +37 25 15 |
SEI 1100 AC |
2015 |
10 |
129 |
15.4 |
10.66 |
11.80 |
1.14 |
|
|
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Tycho2 |
2684-00142-1 |
|
Gaia DR2 |
2057966844407221120 |
|
ADS |
13757 |
|