20193+2047 TDT 2166 AB
20h 19m 19.26s +20° 47' 10.4" P.A. 20.00 sep 2.5 mag 10.50,12.41
| Coord 2000 |
20193+2047 |
|
Discov num |
TDT2166 |
|
Comp |
AB |
|
Coord arcsec 2000 |
20 19 19.26 +20 47 10.4 |
|
| Date first |
1991 |
|
Date last |
1991 |
|
Obs |
1 |
|
| Pa first |
20 |
|
Pa last |
19.8 |
|
P.A. Now (θ) |
19.8° |
|
| Sep first |
2.5 |
|
Sep last |
2.5 |
|
Sep. Now (ρ) |
2.5" |
|
| Mag pri |
10.50 |
|
Mag sec |
12.41 |
|
delta mag (ΔM) |
1.91 |
|
Spectral class |
|
|
| Pri motion ra |
+001 |
|
Sec motion ra |
+001 |
|
| Pri motion dec |
-011 |
|
Sec motion dec |
-011 |
|
| Notes |
W
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Sagitta |
|
Tycho2 |
1643-01417-1 |
|
