20120+3454 SEI 987
20h 12m 01.45s +34° 54' 05.1" P.A. 336.00 sep 23.2 mag 11.40,12.26 Sp A2
| Coord 2000 |
20120+3454 |
|
Discov num |
SEI 987 |
|
Comp |
|
|
Coord arcsec 2000 |
20 12 01.45 +34 54 05.1 |
|
| Date first |
1896 |
|
Date last |
2015 |
|
Obs |
12 |
|
| Pa first |
336 |
|
Pa last |
336.1 |
|
P.A. Now (θ) |
336.1° |
|
| Sep first |
23.7 |
|
Sep last |
23.235 |
|
Sep. Now (ρ) |
23.235" |
|
| Mag pri |
11.40 |
|
Mag sec |
12.26 |
|
delta mag (ΔM) |
0.86 |
|
Spectral class |
A2 (white) |
|
| Pri motion ra |
+000 |
|
Sec motion ra |
+001 |
|
| Pri motion dec |
-002 |
|
Sec motion dec |
-002 |
|
| Notes |
|
|
rPM=0.447
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Tycho2 |
2679-02013-1 |
|
Gaia DR2 |
2055751912613118208 |
|
