21187+0857 LDS 4877
21h 18m 37.09s +08° 57' 35.1" P.A. 123.00 sep 89.5 mag 7.33,17.50 Sp F5+M4 dist. 41.81 pc (136.38 l.y.)
Coord 2000 |
21187+0857 |
|
Discov num |
LDS4877 |
|
Comp |
|
|
Coord arcsec 2000 |
21 18 37.09 +08 57 35.1 |
|
Date first |
1960 |
|
Date last |
2016 |
|
Obs |
7 |
|
Pa first |
124 |
|
Pa last |
123.4 |
|
P.A. Now (θ) |
123.4° |
|
Sep first |
89.0 |
|
Sep last |
89.545 |
|
Sep. Now (ρ) |
89.545" |
|
Mag pri |
7.33 |
|
Mag sec |
17.50 |
|
delta mag (ΔM) |
10.17 |
|
Spectral class |
F5+M4 (yellow-white/red) |
|
Pri motion ra |
+144 |
|
Sec motion ra |
+147 |
|
Pri motion dec |
-041 |
|
Sec motion dec |
-040 |
|
Notes |
V
(Proper motion indicates physical) |
|
rPM=0.021 (< 0.3, Physical double)
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Equuleus |
|
SAO |
126700 |
|
HIP |
105202 |
|
Tycho2 |
1105-01060-1 |
|
Gaia DR2 |
1743504800870418432 |
|
HD |
202884 |
|
GC |
29813 |
|
BD |
BD+08 4648 |
|
Distance |
41.81 |
|
Distance ly |
136.38 |
|