20171+3738 SLE 986 AC
20h 17m 03.70s +37° 38' 24.8" P.A. 1.00 sep 17.9 mag 10.78,12.40
Coord 2000 |
20171+3738 |
|
Discov num |
SLE 986 |
|
Comp |
AC |
|
Coord arcsec 2000 |
20 17 03.70 +37 38 24.8 |
|
Date first |
1929 |
|
Date last |
2022 |
|
Obs |
11 |
|
Pa first |
2 |
|
Pa last |
1.2 |
|
P.A. Now (θ) |
1.2° |
|
Sep first |
18.0 |
|
Sep last |
17.9 |
|
Sep. Now (ρ) |
17.9" |
|
Mag pri |
10.78 |
|
Mag sec |
12.40 |
|
delta mag (ΔM) |
1.62 |
|
Spectral class |
|
|
Pri motion ra |
-000 |
|
Sec motion ra |
+003 |
|
Pri motion dec |
-004 |
|
Sec motion dec |
+010 |
|
Notes |
|
|
rPM=1.371
This double is not physical.
20171+3738 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
|
|
20 17 04 +37 38 25 |
SLE 986 AB |
2022 |
8 |
347 |
6.4 |
10.78 |
15.10 |
4.32 |
|
|
Show |
|
|
20 17 04 +37 38 25 |
SLE 986 AC |
2022 |
11 |
1 |
17.9 |
10.78 |
12.40 |
1.62 |
|
<=== |
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Cygnus |
|
Tycho2 |
3151-01063-1 |
|
Gaia DR2 |
2060668585010192256 |
|