20493+3923 SEI 1263 AB
20h 49m 19.21s +39° 23' 11.3" P.A. 98.00 sep 23.6 mag 11.48,11.56
Coord 2000 |
20493+3923 |
|
Discov num |
SEI1263 |
|
Comp |
AB |
|
Coord arcsec 2000 |
20 49 19.21 +39 23 11.3 |
|
Date first |
1892 |
|
Date last |
2015 |
|
Obs |
10 |
|
Pa first |
102 |
|
Pa last |
97.5 |
|
P.A. Now (θ) |
97.5° |
|
Sep first |
20.8 |
|
Sep last |
23.61 |
|
Sep. Now (ρ) |
23.61" |
|
Mag pri |
11.48 |
|
Mag sec |
11.56 |
|
delta mag (ΔM) |
0.08 |
|
Spectral class |
|
|
Pri motion ra |
+008 |
|
Sec motion ra |
+028 |
|
Pri motion dec |
+005 |
|
Sec motion dec |
+008 |
|
Notes |
N
U
(See Notes, Proper motion indicates non-physical) |
|
rPM=0.694
This double is not physical.
20493+3923 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
|
|
20 49 19 +39 23 11 |
SEI 1263 AB |
2015 |
10 |
98 |
23.6 |
11.48 |
11.56 |
0.08 |
|
<=== |
Show |
|
|
20 49 21 +39 23 08 |
ALI 952 BC |
2002 |
3 |
50 |
4.9 |
11.60 |
12.50 |
0.90 |
|
|
Show |
|
|
20 49 21 +39 23 08 |
DAM 26 BD |
2015 |
3 |
53 |
9.5 |
11.60 |
12.40 |
0.80 |
|
|
Quadruple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Cygnus |
|
Tycho2 |
3170-00055-1 |
|
Gaia DR2 |
2064954756200927488 |
|