21581-2120 DON 1021
21h 58m 02.84s -21° 20' 56.8" P.A. 186.00 sep 2.8 mag 11.23,12.00
Coord 2000 |
21581-2120 |
|
Discov num |
DON1021 |
|
Comp |
|
|
Coord arcsec 2000 |
21 58 02.84 -21 20 56.8 |
|
Date first |
1929 |
|
Date last |
2016 |
|
Obs |
6 |
|
Pa first |
187 |
|
Pa last |
185.5 |
|
P.A. Now (θ) |
185.5° |
|
Sep first |
2.4 |
|
Sep last |
2.776 |
|
Sep. Now (ρ) |
2.776" |
|
Mag pri |
11.23 |
|
Mag sec |
12.00 |
|
delta mag (ΔM) |
0.77 |
|
Spectral class |
|
|
Pri motion ra |
+061 |
|
Sec motion ra |
+052 |
|
Pri motion dec |
-027 |
|
Sec motion dec |
-132 |
|
Notes |
|
|
rPM=0.743
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Capricornus |
|
Tycho2 |
6382-01338-1 |
|
Gaia DR2 |
6823003673699262848 |
|