18310+4210 TDT 921
18h 31m 01.78s +42° 10' 27.5" P.A. 114.00 sep 0.8 mag 11.43,11.80
| Coord 2000 |
18310+4210 |
|
Discov num |
TDT 921 |
|
Comp |
|
|
Coord arcsec 2000 |
18 31 01.78 +42 10 27.5 |
|
| Date first |
1991 |
|
Date last |
1991 |
|
Obs |
1 |
|
| Pa first |
114 |
|
Pa last |
113.7 |
|
P.A. Now (θ) |
113.7° |
|
| Sep first |
0.8 |
|
Sep last |
0.82 |
|
Sep. Now (ρ) |
0.82" |
|
| Mag pri |
11.43 |
|
Mag sec |
11.80 |
|
delta mag (ΔM) |
0.37 |
|
Spectral class |
|
|
| Pri motion ra |
+007 |
|
Sec motion ra |
+007 |
|
| Pri motion dec |
-010 |
|
Sec motion dec |
-010 |
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Lyra |
|
Tycho2 |
3113-01206-1 |
|
Gaia DR2 |
2111319855867403264 |
|
