20190+2121 J 3074
20h 18m 49.10s +21° 22' 05.4" P.A. 331.00 sep 7.8 mag 12.30,12.45
| Coord 2000 |
20190+2121 |
|
Discov num |
J 3074 |
|
Comp |
|
|
Coord arcsec 2000 |
20 18 49.10 +21 22 05.4 |
|
| Date first |
1892 |
|
Date last |
2015 |
|
Obs |
14 |
|
| Pa first |
333 |
|
Pa last |
331.3 |
|
P.A. Now (θ) |
331.3° |
|
| Sep first |
8.0 |
|
Sep last |
7.766 |
|
Sep. Now (ρ) |
7.766" |
|
| Mag pri |
12.30 |
|
Mag sec |
12.45 |
|
delta mag (ΔM) |
0.15 |
|
Spectral class |
|
|
| Pri motion ra |
+000 |
|
Sec motion ra |
+000 |
|
| Pri motion dec |
-006 |
|
Sec motion dec |
-008 |
|
| Notes |
B
(Blue magnitudes) |
|
rPM=0.25 (< 0.3, Physical double)
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Sagitta |
|
Gaia DR2 |
1829115043967525760 |
|
