21189+0252 HEI 407
21h 18m 51.51s +02° 54' 44.6" P.A. 62.00 sep 0.2 mag 10.50,11.00
| Coord 2000 |
21189+0252 |
|
Discov num |
HEI 407 |
|
Comp |
|
|
Coord arcsec 2000 |
21 18 51.51 +02 54 44.6 |
|
| Date first |
1986 |
|
Date last |
1994 |
|
Obs |
2 |
|
| Pa first |
61 |
|
Pa last |
61.9 |
|
P.A. Now (θ) |
61.9° |
|
| Sep first |
0.2 |
|
Sep last |
0.18 |
|
Sep. Now (ρ) |
0.18" |
|
| Mag pri |
10.50 |
|
Mag sec |
11.00 |
|
delta mag (ΔM) |
0.5 |
|
Spectral class |
|
|
| Pri motion ra |
+000 |
|
Sec motion ra |
|
|
| Pri motion dec |
+004 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Equuleus |
|
Tycho2 |
0532-00035-1 |
|
Gaia DR2 |
2692494180156943488 |
|
