21089+0013 BU 837
21h 08m 52.87s +00° 12' 53.5" P.A. 181.00 sep 3.4 mag 9.03,10.97 Sp G5 dist. 58.82 pc (191.87 l.y.)
Coord 2000 |
21089+0013 |
|
Discov num |
BU 837 |
|
Comp |
|
|
Coord arcsec 2000 |
21 08 52.87 +00 12 53.5 |
|
Date first |
1881 |
|
Date last |
2016 |
|
Obs |
20 |
|
Pa first |
190 |
|
Pa last |
181 |
|
P.A. Now (θ) |
181° |
|
Sep first |
3.7 |
|
Sep last |
3.362 |
|
Sep. Now (ρ) |
3.362" |
|
Mag pri |
9.03 |
|
Mag sec |
10.97 |
|
delta mag (ΔM) |
1.94 |
|
Spectral class |
G5 (yellow) |
|
Pri motion ra |
+107 |
|
Sec motion ra |
+108 |
|
Pri motion dec |
-038 |
|
Sec motion dec |
-051 |
|
Notes |
|
|
rPM=0.109 (< 0.3, Physical double)
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Aquarius |
|
HIP |
104390 |
|
Tycho2 |
0527-01360-1 |
|
Gaia DR2 |
2690031342830368000 |
|
BD |
BD-00 4170 |
|
Distance |
58.82 |
|
Distance ly |
191.87 |
|