21171+4206 TDT 2883
21h 17m 07.32s +42° 06' 02.5" P.A. 112.00 sep 0.9 mag 11.63,12.15
| Coord 2000 |
21171+4206 |
|
Discov num |
TDT2883 |
|
Comp |
|
|
Coord arcsec 2000 |
21 17 07.32 +42 06 02.5 |
|
| Date first |
1991 |
|
Date last |
1991 |
|
Obs |
1 |
|
| Pa first |
112 |
|
Pa last |
112.2 |
|
P.A. Now (θ) |
112.2° |
|
| Sep first |
0.9 |
|
Sep last |
0.87 |
|
Sep. Now (ρ) |
0.87" |
|
| Mag pri |
11.63 |
|
Mag sec |
12.15 |
|
delta mag (ΔM) |
0.52 |
|
Spectral class |
|
|
| Pri motion ra |
-004 |
|
Sec motion ra |
-004 |
|
| Pri motion dec |
-004 |
|
Sec motion dec |
-004 |
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Tycho2 |
3177-01977-1 |
|
Gaia DR2 |
1969065449484250112 |
|
