19305-1944 USN 4
19h 30m 27.48s -19° 43' 49.4" P.A. 203.00 sep 1.5 mag 15.00,15.80 Sp M6.5V+M8
| Coord 2000 |
19305-1944 |
|
Discov num |
USN 4 |
|
Comp |
|
|
Coord arcsec 2000 |
19 30 27.48 -19 43 49.4 |
|
| Date first |
2012 |
|
Date last |
2012 |
|
Obs |
1 |
|
| Pa first |
203 |
|
Pa last |
202.5 |
|
P.A. Now (θ) |
202.5° |
|
| Sep first |
1.5 |
|
Sep last |
1.5 |
|
Sep. Now (ρ) |
1.5" |
|
| Mag pri |
15.00 |
|
Mag sec |
15.80 |
|
delta mag (ΔM) |
0.8 |
|
Spectral class |
M6.5V+M8 (red/red) |
|
| Pri motion ra |
+242 |
|
Sec motion ra |
|
|
| Pri motion dec |
-089 |
|
Sec motion dec |
|
|
| Notes |
V
R
(Proper motion indicates physical, Red magnitudes) |
|
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Sagittarius |
|
Gaia DR2 |
6773395220888949888 |
|
