21155+4205 TDT 2861
21h 15m 31.50s +42° 05' 06.2" P.A. 287.00 sep 2.4 mag 11.46,12.36
| Coord 2000 |
21155+4205 |
|
Discov num |
TDT2861 |
|
Comp |
|
|
Coord arcsec 2000 |
21 15 31.50 +42 05 06.2 |
|
| Date first |
1991 |
|
Date last |
1991 |
|
Obs |
1 |
|
| Pa first |
287 |
|
Pa last |
286.6 |
|
P.A. Now (θ) |
286.6° |
|
| Sep first |
2.4 |
|
Sep last |
2.44 |
|
Sep. Now (ρ) |
2.44" |
|
| Mag pri |
11.46 |
|
Mag sec |
12.36 |
|
delta mag (ΔM) |
0.9 |
|
Spectral class |
|
|
| Pri motion ra |
+006 |
|
Sec motion ra |
+006 |
|
| Pri motion dec |
+004 |
|
Sec motion dec |
+004 |
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Tycho2 |
3177-02377-1 |
|
Gaia DR2 |
1968986117146776320 |
|
