20138+2945 TOB 179
20h 13m 49.93s +29° 44' 46.5" P.A. 91.00 sep 23.6 mag 10.74,12.98 Sp B2
| Coord 2000 |
20138+2945 |
|
Discov num |
TOB 179 |
|
Comp |
|
|
Coord arcsec 2000 |
20 13 49.93 +29 44 46.5 |
|
| Date first |
1984 |
|
Date last |
2015 |
|
Obs |
9 |
|
| Pa first |
92 |
|
Pa last |
90.6 |
|
P.A. Now (θ) |
90.6° |
|
| Sep first |
22.7 |
|
Sep last |
23.638 |
|
Sep. Now (ρ) |
23.638" |
|
| Mag pri |
10.74 |
|
Mag sec |
12.98 |
|
delta mag (ΔM) |
2.24 |
|
Spectral class |
B2 (blue-white) |
|
| Pri motion ra |
-004 |
|
Sec motion ra |
+011 |
|
| Pri motion dec |
-021 |
|
Sec motion dec |
-017 |
|
| Notes |
|
|
rPM=0.726
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Tycho2 |
2166-00241-1 |
|
Gaia DR2 |
2029611264174648576 |
|
