21315+0140 HJ 3031
21h 31m 30.77s +01° 40' 28.3" P.A. 250.00 sep 28.1 mag 9.56,11.84 Sp K5
Coord 2000 |
21315+0140 |
|
Discov num |
HJ 3031 |
|
Comp |
|
|
Coord arcsec 2000 |
21 31 30.77 +01 40 28.3 |
|
Date first |
1830 |
|
Date last |
2015 |
|
Obs |
13 |
|
Pa first |
257 |
|
Pa last |
250 |
|
P.A. Now (θ) |
250° |
|
Sep first |
12.0 |
|
Sep last |
28.061 |
|
Sep. Now (ρ) |
28.061" |
|
Mag pri |
9.56 |
|
Mag sec |
11.84 |
|
delta mag (ΔM) |
2.28 |
|
Spectral class |
K5 (yellow-orange) |
|
Pri motion ra |
-008 |
|
Sec motion ra |
-017 |
|
Pri motion dec |
-001 |
|
Sec motion dec |
-017 |
|
Notes |
|
|
rPM=0.764
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Aquarius |
|
Tycho2 |
0542-00051-1 |
|
Gaia DR2 |
2688596544579441280 |
|