20515+3944 DAM 317 AC
20h 51m 26.53s +39° 42' 43.8" P.A. 357.00 sep 15.2 mag 10.90,13.50
| Coord 2000 |
20515+3944 |
|
Discov num |
DAM 317 |
|
Comp |
AC |
|
Coord arcsec 2000 |
20 51 26.53 +39 42 43.8 |
|
| Date first |
1998 |
|
Date last |
2015 |
|
Obs |
6 |
|
| Pa first |
358 |
|
Pa last |
357.1 |
|
P.A. Now (θ) |
357.1° |
|
| Sep first |
15.4 |
|
Sep last |
15.18 |
|
Sep. Now (ρ) |
15.18" |
|
| Mag pri |
10.90 |
|
Mag sec |
13.50 |
|
delta mag (ΔM) |
2.6 |
|
Spectral class |
|
|
| Pri motion ra |
+003 |
|
Sec motion ra |
-010 |
|
| Pri motion dec |
+002 |
|
Sec motion dec |
-011 |
|
| Notes |
|
|
rPM=1.237
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 |
|
