21415+8555 TDT 3110
21h 41m 34.66s +85° 54' 49.2" P.A. 67.00 sep 2.6 mag 10.87,11.99 Sp G0V
| Coord 2000 |
21415+8555 |
|
Discov num |
TDT3110 |
|
Comp |
|
|
Coord arcsec 2000 |
21 41 34.66 +85 54 49.2 |
|
| Date first |
1899 |
|
Date last |
2007 |
|
Obs |
3 |
|
| Pa first |
68 |
|
Pa last |
66.9 |
|
P.A. Now (θ) |
66.9° |
|
| Sep first |
2.7 |
|
Sep last |
2.64 |
|
Sep. Now (ρ) |
2.64" |
|
| Mag pri |
10.87 |
|
Mag sec |
11.99 |
|
delta mag (ΔM) |
1.12 |
|
Spectral class |
G0V (yellow) |
|
| Pri motion ra |
+240 |
|
Sec motion ra |
+240 |
|
| Pri motion dec |
+109 |
|
Sec motion dec |
+109 |
|
| Notes |
N
(See Notes) |
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cepheus |
|
Tycho2 |
4653-00216-1 |
|
