20177+3740 SLE 989
20h 17m 44.92s +37° 40' 30.3" P.A. 223.00 sep 8.9 mag 12.30,13.60
| Coord 2000 |
20177+3740 |
|
Discov num |
SLE 989 |
|
Comp |
|
|
Coord arcsec 2000 |
20 17 44.92 +37 40 30.3 |
|
| Date first |
1985 |
|
Date last |
2022 |
|
Obs |
9 |
|
| Pa first |
218 |
|
Pa last |
222.9 |
|
P.A. Now (θ) |
222.9° |
|
| Sep first |
9.0 |
|
Sep last |
8.91 |
|
Sep. Now (ρ) |
8.91" |
|
| Mag pri |
12.30 |
|
Mag sec |
13.60 |
|
delta mag (ΔM) |
1.3 |
|
Spectral class |
|
|
| Pri motion ra |
-008 |
|
Sec motion ra |
-008 |
|
| Pri motion dec |
-016 |
|
Sec motion dec |
-009 |
|
| Notes |
R
(Red magnitudes) |
|
rPM=0.391
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Gaia DR2 |
2060671432560497152 |
|
