21120+4419 TDT 2816
21h 12m 01.75s +44° 19' 17.6" P.A. 89.00 sep 0.3 mag 10.93,11.00
| Coord 2000 |
21120+4419 |
|
Discov num |
TDT2816 |
|
Comp |
|
|
Coord arcsec 2000 |
21 12 01.75 +44 19 17.6 |
|
| Date first |
1991 |
|
Date last |
2007 |
|
Obs |
2 |
|
| Pa first |
103 |
|
Pa last |
88.6 |
|
P.A. Now (θ) |
88.6° |
|
| Sep first |
0.5 |
|
Sep last |
0.289 |
|
Sep. Now (ρ) |
0.289" |
|
| Mag pri |
10.93 |
|
Mag sec |
11.00 |
|
delta mag (ΔM) |
0.07 |
|
Spectral class |
|
|
| Pri motion ra |
-002 |
|
Sec motion ra |
-002 |
|
| Pri motion dec |
-003 |
|
Sec motion dec |
-003 |
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Tycho2 |
3181-04413-1 |
|
Gaia DR2 |
1970290618983755648 |
|
