20170+1805 J 2307
20h 16m 42.43s +18° 03' 05.6" P.A. 117.00 sep 6.1 mag 12.20,13.20
| Coord 2000 |
20170+1805 |
|
Discov num |
J 2307 |
|
Comp |
|
|
Coord arcsec 2000 |
20 16 42.43 +18 03 05.6 |
|
| Date first |
1942 |
|
Date last |
2015 |
|
Obs |
10 |
|
| Pa first |
120 |
|
Pa last |
116.7 |
|
P.A. Now (θ) |
116.7° |
|
| Sep first |
4.0 |
|
Sep last |
6.098 |
|
Sep. Now (ρ) |
6.098" |
|
| Mag pri |
12.20 |
|
Mag sec |
13.20 |
|
delta mag (ΔM) |
1 |
|
Spectral class |
|
|
| Pri motion ra |
+004 |
|
Sec motion ra |
+018 |
|
| Pri motion dec |
-012 |
|
Sec motion dec |
-009 |
|
| Notes |
|
|
rPM=0.711
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Sagitta |
|
Gaia DR2 |
1810098681122810368 |
|
