21118+4417 TDT 2812
21h 11m 46.21s +44° 16' 44.5" P.A. 258.00 sep 0.5 mag 10.88,10.94 Sp A0V
| Coord 2000 |
21118+4417 |
|
Discov num |
TDT2812 |
|
Comp |
|
|
Coord arcsec 2000 |
21 11 46.21 +44 16 44.5 |
|
| Date first |
1991 |
|
Date last |
1991 |
|
Obs |
1 |
|
| Pa first |
258 |
|
Pa last |
258.2 |
|
P.A. Now (θ) |
258.2° |
|
| Sep first |
0.5 |
|
Sep last |
0.49 |
|
Sep. Now (ρ) |
0.49" |
|
| Mag pri |
10.88 |
|
Mag sec |
10.94 |
|
delta mag (ΔM) |
0.06 |
|
Spectral class |
A0V (white) |
|
| Pri motion ra |
+003 |
|
Sec motion ra |
+003 |
|
| Pri motion dec |
-006 |
|
Sec motion dec |
-006 |
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Tycho2 |
3181-03987-1 |
|
Gaia DR2 |
1970290137955989888 |
|
