20493+3923 ALI 952 BC
20h 49m 21.19s +39° 23' 07.9" P.A. 50.00 sep 4.9 mag 11.60,12.50 Sp K0
| Coord 2000 |
20493+3923 |
|
Discov num |
ALI 952 |
|
Comp |
BC |
|
Coord arcsec 2000 |
20 49 21.19 +39 23 07.9 |
|
| Date first |
1929 |
|
Date last |
2002 |
|
Obs |
3 |
|
| Pa first |
53 |
|
Pa last |
49.9 |
|
P.A. Now (θ) |
49.9° |
|
| Sep first |
6.9 |
|
Sep last |
4.856 |
|
Sep. Now (ρ) |
4.856" |
|
| Mag pri |
11.60 |
|
Mag sec |
12.50 |
|
delta mag (ΔM) |
0.9 |
|
Spectral class |
K0 (yellow-orange) |
|
| Pri motion ra |
+028 |
|
Sec motion ra |
|
|
| Pri motion dec |
+008 |
|
Sec motion dec |
|
|
| Notes |
N
(See Notes) |
|
Nature of this double is uncertain.
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 |
3170-00010-1 |
|
Gaia DR2 |
2064955134158045696 |
|
