20037+3145 SEI 827 (HD 190431)
20h 03m 44.25s +31° 44' 41.5" P.A. 18.00 sep 9.4 mag 8.35,11.80 Sp A1V
Coord 2000 |
20037+3145 |
|
Discov num |
SEI 827 |
|
Comp |
|
|
Coord arcsec 2000 |
20 03 44.25 +31 44 41.5 |
|
Date first |
1893 |
|
Date last |
2015 |
|
Obs |
14 |
|
Pa first |
20 |
|
Pa last |
17.6 |
|
P.A. Now (θ) |
17.6° |
|
Sep first |
10.9 |
|
Sep last |
9.409 |
|
Sep. Now (ρ) |
9.409" |
|
Mag pri |
8.35 |
|
Mag sec |
11.80 |
|
delta mag (ΔM) |
3.45 |
|
Spectral class |
A1V (white) |
|
Pri motion ra |
+009 |
|
Sec motion ra |
-003 |
|
Pri motion dec |
+007 |
|
Sec motion dec |
-005 |
|
Notes |
N
(See Notes) |
|
rPM=1.488
This double is not physical.
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 190431 |
|
Constellation |
Cygnus |
|
SAO |
69332 |
|
Tycho2 |
2670-00994-1 |
|
Gaia DR2 |
2031009087061903872 |
|
HD |
190431 |
|