21242+0036 ITF 219
21h 24m 10.56s +00° 36' 00.7" P.A. 270.00 sep 2.6 mag 15.40,16.50 Sp G4V+G9V
| Coord 2000 |
21242+0036 |
|
Discov num |
ITF 219 |
|
Comp |
|
|
Coord arcsec 2000 |
21 24 10.56 +00 36 00.7 |
|
| Date first |
1952 |
|
Date last |
2017 |
|
Obs |
2 |
|
| Pa first |
270 |
|
Pa last |
270.3 |
|
P.A. Now (θ) |
270.3° |
|
| Sep first |
2.6 |
|
Sep last |
2.556 |
|
Sep. Now (ρ) |
2.556" |
|
| Mag pri |
15.40 |
|
Mag sec |
16.50 |
|
delta mag (ΔM) |
1.1 |
|
Spectral class |
G4V+G9V (yellow/yellow) |
|
| Pri motion ra |
-003 |
|
Sec motion ra |
-003 |
|
| Pri motion dec |
-004 |
|
Sec motion dec |
-004 |
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS