20308+3749 SEI 1146 AB
20h 30m 45.51s +37° 48' 58.8" P.A. 42.00 sep 10.2 mag 12.25,12.27
| Coord 2000 |
20308+3749 |
|
Discov num |
SEI1146 |
|
Comp |
AB |
|
Coord arcsec 2000 |
20 30 45.51 +37 48 58.8 |
|
| Date first |
1895 |
|
Date last |
2015 |
|
Obs |
9 |
|
| Pa first |
42 |
|
Pa last |
42.3 |
|
P.A. Now (θ) |
42.3° |
|
| Sep first |
10.2 |
|
Sep last |
10.229 |
|
Sep. Now (ρ) |
10.229" |
|
| Mag pri |
12.25 |
|
Mag sec |
12.27 |
|
delta mag (ΔM) |
0.02 |
|
Spectral class |
|
|
| Pri motion ra |
+003 |
|
Sec motion ra |
+002 |
|
| Pri motion dec |
-001 |
|
Sec motion dec |
+000 |
|
| Notes |
B
(Blue magnitudes) |
|
rPM=0.447
Nature of this double is uncertain.
20308+3749 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
|
20 30 46 +37 48 59 |
SEI 1146 AB |
2015 |
9 |
42 |
10.2 |
12.25 |
12.27 |
0.02 |
|
<=== |
| Show |
|
|
20 30 46 +37 48 59 |
SEI 1147 AC |
2015 |
8 |
286 |
14.5 |
12.25 |
12.53 |
0.28 |
|
|
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Gaia DR2 |
2063852182251302656 |
|
