20168+3731 ARY 25 (HD 228721)
20h 16m 52.85s +37° 31' 04.7" P.A. 293.00 sep 147.1 mag 8.65,8.72 Sp G9.5IIIb
| Coord 2000 |
20168+3731 |
|
Discov num |
ARY 25 |
|
Comp |
|
|
Coord arcsec 2000 |
20 16 52.85 +37 31 04.7 |
|
| Date first |
1896 |
|
Date last |
2022 |
|
Obs |
20 |
|
| Pa first |
295 |
|
Pa last |
293.2 |
|
P.A. Now (θ) |
293.2° |
|
| Sep first |
144.8 |
|
Sep last |
147.08 |
|
Sep. Now (ρ) |
147.08" |
|
| Mag pri |
8.65 |
|
Mag sec |
8.72 |
|
delta mag (ΔM) |
0.07 |
|
Spectral class |
G9.5IIIb (yellow) |
|
| Pri motion ra |
+026 |
|
Sec motion ra |
+000 |
|
| Pri motion dec |
+000 |
|
Sec motion dec |
-005 |
|
| Notes |
|
|
rPM=1.018
This double is not physical.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 228721 |
|
Constellation |
Cygnus |
|
SAO |
69750 |
|
Tycho2 |
3151-00943-1 |
|
| Gaia DR2 |
2060665733151845120 |
|
HD |
228721 |
|
