20515+3944 DAM 317 AB
20h 51m 26.53s +39° 42' 43.8" P.A. 95.00 sep 14.8 mag 10.90,13.70
Coord 2000 |
20515+3944 |
|
Discov num |
DAM 317 |
|
Comp |
AB |
|
Coord arcsec 2000 |
20 51 26.53 +39 42 43.8 |
|
Date first |
1998 |
|
Date last |
2015 |
|
Obs |
6 |
|
Pa first |
92 |
|
Pa last |
94.9 |
|
P.A. Now (θ) |
94.9° |
|
Sep first |
15.2 |
|
Sep last |
14.817 |
|
Sep. Now (ρ) |
14.817" |
|
Mag pri |
10.90 |
|
Mag sec |
13.70 |
|
delta mag (ΔM) |
2.8 |
|
Spectral class |
|
|
Pri motion ra |
+003 |
|
Sec motion ra |
-018 |
|
Pri motion dec |
+002 |
|
Sec motion dec |
-037 |
|
Notes |
|
|
rPM=1.077
This double is not physical.
20515+3944 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
|
|
20 51 27 +39 42 44 |
DAM 317 AB |
2015 |
6 |
95 |
14.8 |
10.90 |
13.70 |
2.80 |
|
<=== |
Show |
|
|
20 51 27 +39 42 44 |
DAM 317 AC |
2015 |
6 |
357 |
15.2 |
10.90 |
13.50 |
2.60 |
|
|
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Cygnus |
|
Tycho2 |
3171-01903-1 |
|
Gaia DR2 |
2065048901874615808 |
|