21053+5025 TDT 2730
21h 05m 16.27s +50° 25' 07.9" P.A. 140.00 sep 1.6 mag 11.48,11.82
| Coord 2000 |
21053+5025 |
|
Discov num |
TDT2730 |
|
Comp |
|
|
Coord arcsec 2000 |
21 05 16.27 +50 25 07.9 |
|
| Date first |
1991 |
|
Date last |
2016 |
|
Obs |
4 |
|
| Pa first |
142 |
|
Pa last |
139.5 |
|
P.A. Now (θ) |
139.5° |
|
| Sep first |
1.6 |
|
Sep last |
1.552 |
|
Sep. Now (ρ) |
1.552" |
|
| Mag pri |
11.48 |
|
Mag sec |
11.82 |
|
delta mag (ΔM) |
0.34 |
|
Spectral class |
|
|
| Pri motion ra |
-009 |
|
Sec motion ra |
-009 |
|
| Pri motion dec |
+003 |
|
Sec motion dec |
+003 |
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Tycho2 |
3596-00897-1 |
|
Gaia DR2 |
2169124201500329344 |
|
