21310+1256 LDS 4891 BC
21h 31m 04.06s +12° 54' 35.5" P.A. 177.00 sep 21.7 mag 16.98,16.68
Coord 2000 |
21310+1256 |
|
Discov num |
LDS4891 |
|
Comp |
BC |
|
Coord arcsec 2000 |
21 31 04.06 +12 54 35.5 |
|
Date first |
1960 |
|
Date last |
2015 |
|
Obs |
6 |
|
Pa first |
175 |
|
Pa last |
176.8 |
|
P.A. Now (θ) |
176.8° |
|
Sep first |
21.0 |
|
Sep last |
21.733 |
|
Sep. Now (ρ) |
21.733" |
|
Mag pri |
16.98 |
|
Mag sec |
16.68 |
|
delta mag (ΔM) |
0.3 |
|
Spectral class |
|
|
Pri motion ra |
-001 |
|
Sec motion ra |
|
|
Pri motion dec |
-004 |
|
Sec motion dec |
|
|
Notes |
|
|
Nature of this double is uncertain.
21310+1256 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
|
|
21 31 03 +12 56 04 |
LDS 4891 AB |
2015 |
6 |
168 |
90.7 |
14.42 |
16.98 |
2.56 |
|
|
Show |
|
|
21 31 04 +12 54 36 |
LDS 4891 BC |
2015 |
6 |
177 |
21.7 |
16.98 |
16.68 |
0.30 |
|
<=== |
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Pegasus |
|
Gaia DR2 |
1770204550965494656 |
|