20051-0418 BU 56 (HD 190437)
20h 05m 07.26s -04° 18' 29.3" P.A. 189.00 sep 1.3 mag 8.01,9.10 Sp F5 dist. 77.46 pc (252.67 l.y.)
Coord 2000 |
20051-0418 |
|
Discov num |
BU 56 |
|
Comp |
|
|
Coord arcsec 2000 |
20 05 07.26 -04 18 29.3 |
|
Date first |
1871 |
|
Date last |
2016 |
|
Obs |
49 |
|
Pa first |
180 |
|
Pa last |
188.5 |
|
P.A. Now (θ) |
188.5° |
|
Sep first |
2.0 |
|
Sep last |
1.341 |
|
Sep. Now (ρ) |
1.341" |
|
Mag pri |
8.01 |
|
Mag sec |
9.10 |
|
delta mag (ΔM) |
1.09 |
|
Spectral class |
F5 (yellow-white) |
|
Pri motion ra |
+063 |
|
Sec motion ra |
+063 |
|
Pri motion dec |
+052 |
|
Sec motion dec |
+052 |
|
Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 190437 |
|
Constellation |
Aquila |
|
HIP |
98916 |
|
Tycho2 |
5168-01621-1 |
|
Gaia DR2 |
4221603555169281664 |
|
HD |
190437 |
|
BD |
BD-04 5010 |
|
Distance |
77.46 |
|
Distance ly |
252.67 |
|