21310+1256 LDS 4891 AB
21h 31m 02.72s +12° 56' 04.1" P.A. 168.00 sep 90.7 mag 14.42,16.98
Coord 2000 |
21310+1256 |
|
Discov num |
LDS4891 |
|
Comp |
AB |
|
Coord arcsec 2000 |
21 31 02.72 +12 56 04.1 |
|
Date first |
1960 |
|
Date last |
2015 |
|
Obs |
6 |
|
Pa first |
167 |
|
Pa last |
167.5 |
|
P.A. Now (θ) |
167.5° |
|
Sep first |
90.0 |
|
Sep last |
90.66 |
|
Sep. Now (ρ) |
90.66" |
|
Mag pri |
14.42 |
|
Mag sec |
16.98 |
|
delta mag (ΔM) |
2.56 |
|
Spectral class |
|
|
Pri motion ra |
+012 |
|
Sec motion ra |
|
|
Pri motion dec |
-007 |
|
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 |
1770210701358666240 |
|