20484+4002 J 1237 BC
20h 48m 21.83s +40° 02' 07.5" P.A. 355.00 sep 5.6 mag 12.40,13.70
| Coord 2000 |
20484+4002 |
|
Discov num |
J 1237 |
|
Comp |
BC |
|
Coord arcsec 2000 |
20 48 21.83 +40 02 07.5 |
|
| Date first |
1915 |
|
Date last |
2015 |
|
Obs |
8 |
|
| Pa first |
336 |
|
Pa last |
355.1 |
|
P.A. Now (θ) |
355.1° |
|
| Sep first |
3.9 |
|
Sep last |
5.58 |
|
Sep. Now (ρ) |
5.58" |
|
| Mag pri |
12.40 |
|
Mag sec |
13.70 |
|
delta mag (ΔM) |
1.3 |
|
Spectral class |
|
|
| Pri motion ra |
-004 |
|
Sec motion ra |
+004 |
|
| Pri motion dec |
-011 |
|
Sec motion dec |
+026 |
|
| Notes |
N
(See Notes) |
|
rPM=1.439
This double is not physical.
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 |
|
Gaia DR2 |
2065038039903786368 |
|
