21455+3113 TDT 3141
21h 45m 29.28s +31° 12' 55.8" P.A. 358.00 sep 2.5 mag 12.13,12.41
Coord 2000 |
21455+3113 |
|
Discov num |
TDT3141 |
|
Comp |
|
|
Coord arcsec 2000 |
21 45 29.28 +31 12 55.8 |
|
Date first |
1991 |
|
Date last |
2016 |
|
Obs |
4 |
|
Pa first |
352 |
|
Pa last |
357.8 |
|
P.A. Now (θ) |
357.8° |
|
Sep first |
2.7 |
|
Sep last |
2.516 |
|
Sep. Now (ρ) |
2.516" |
|
Mag pri |
12.13 |
|
Mag sec |
12.41 |
|
delta mag (ΔM) |
0.28 |
|
Spectral class |
|
|
Pri motion ra |
-005 |
|
Sec motion ra |
-005 |
|
Pri motion dec |
-025 |
|
Sec motion dec |
-025 |
|
Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Cygnus |
|
Tycho2 |
2718-02082-1 |
|
Gaia DR2 |
1945690038436113536 |
|