20484+4002 SEI 1255 AB
20h 48m 22.62s +40° 01' 45.0" P.A. 338.00 sep 24.4 mag 11.40,12.40
| Coord 2000 |
20484+4002 |
|
Discov num |
SEI1255 |
|
Comp |
AB |
|
Coord arcsec 2000 |
20 48 22.62 +40 01 45.0 |
|
| Date first |
1892 |
|
Date last |
2015 |
|
Obs |
12 |
|
| Pa first |
338 |
|
Pa last |
338.2 |
|
P.A. Now (θ) |
338.2° |
|
| Sep first |
23.3 |
|
Sep last |
24.379 |
|
Sep. Now (ρ) |
24.379" |
|
| Mag pri |
11.40 |
|
Mag sec |
12.40 |
|
delta mag (ΔM) |
1 |
|
Spectral class |
|
|
| Pri motion ra |
-005 |
|
Sec motion ra |
-004 |
|
| Pri motion dec |
-018 |
|
Sec motion dec |
-011 |
|
| Notes |
N
(See Notes) |
|
rPM=0.379
Nature of this double is uncertain.
20484+4002 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
|
20 48 23 +40 01 45 |
SEI 1255 AB |
2015 |
12 |
338 |
24.4 |
11.40 |
12.40 |
1.00 |
|
<=== |
| Show |
|
|
20 48 22 +40 02 08 |
J 1237 BC |
2015 |
8 |
355 |
5.6 |
12.40 |
13.70 |
1.30 |
|
|
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Tycho2 |
3170-01326-1 |
|
Gaia DR2 |
2065038044208085248 |
|
