21156+2957 TDT 2864
21h 15m 35.16s +29° 57' 03.3" P.A. 100.00 sep 0.9 mag 12.11,12.45
| Coord 2000 |
21156+2957 |
|
Discov num |
TDT2864 |
|
Comp |
|
|
Coord arcsec 2000 |
21 15 35.16 +29 57 03.3 |
|
| Date first |
1991 |
|
Date last |
1991 |
|
Obs |
1 |
|
| Pa first |
100 |
|
Pa last |
99.9 |
|
P.A. Now (θ) |
99.9° |
|
| Sep first |
0.9 |
|
Sep last |
0.93 |
|
Sep. Now (ρ) |
0.93" |
|
| Mag pri |
12.11 |
|
Mag sec |
12.45 |
|
delta mag (ΔM) |
0.34 |
|
Spectral class |
|
|
| Pri motion ra |
-001 |
|
Sec motion ra |
-001 |
|
| Pri motion dec |
-002 |
|
Sec motion dec |
-002 |
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Tycho2 |
2198-00307-1 |
|
Gaia DR2 |
1851867478587648768 |
|
