03316-1244 RST 3383 (HD 21918)
03h 31m 36.71s -12° 44' 05.2" P.A. 58.00 sep 0.9 mag 7.95,11.39 Sp A2m+A5/A9 dist. 208.77 pc (681.01 l.y.)
Coord 2000 |
03316-1244 |
|
Discov num |
RST3383 |
|
Comp |
|
|
Coord arcsec 2000 |
03 31 36.71 -12 44 05.2 |
|
Date first |
1939 |
|
Date last |
1991 |
|
Obs |
5 |
|
Pa first |
46 |
|
Pa last |
57.6 |
|
P.A. Now (θ) |
57.6° |
|
Sep first |
0.7 |
|
Sep last |
0.87 |
|
Sep. Now (ρ) |
0.87" |
|
Mag pri |
7.95 |
|
Mag sec |
11.39 |
|
delta mag (ΔM) |
3.44 |
|
Spectral class |
A2m+A5/A9 (white/white) |
|
Pri motion ra |
-013 |
|
Sec motion ra |
-012 |
|
Pri motion dec |
-004 |
|
Sec motion dec |
-003 |
|
Notes |
|
|
rPM=0.104 (< 0.3, Physical double)
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 21918 |
|
Constellation |
Eridanus |
|
SAO |
149015 |
|
HIP |
16435 |
|
Tycho2 |
5302-00030-1 |
|
Gaia DR2 |
5113785085653632128 |
|
HD |
21918 |
|
BD |
BD-13 675 |
|
Distance |
208.77 |
|
Distance ly |
681.01 |
|