15498+4431 BU 621 (HD 141930)
15h 49m 49.96s +44° 31' 19.5" P.A. 27.00 sep 0.6 mag 7.94,9.37 Sp A2V dist. 411.52 pc (1342.38 l.y.)
Coord 2000 |
15498+4431 |
|
Discov num |
BU 621 |
|
Comp |
|
|
Coord arcsec 2000 |
15 49 49.96 +44 31 19.5 |
|
Date first |
1878 |
|
Date last |
2018 |
|
Obs |
68 |
|
Pa first |
75 |
|
Pa last |
26.5 |
|
P.A. Now (θ) |
26.5° |
|
Sep first |
0.5 |
|
Sep last |
0.6 |
|
Sep. Now (ρ) |
0.6" |
|
Mag pri |
7.94 |
|
Mag sec |
9.37 |
|
delta mag (ΔM) |
1.43 |
|
Spectral class |
A2V (white) |
|
Pri motion ra |
-012 |
|
Sec motion ra |
-012 |
|
Pri motion dec |
+003 |
|
Sec motion dec |
+003 |
|
Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 141930 |
|
Constellation |
Hercules |
|
SAO |
45752 |
|
HIP |
77529 |
|
Tycho2 |
3060-01220-1 |
|
Gaia DR2 |
1396979589524677120 |
|
HD |
141930 |
|
BD |
BD+44 2511 |
|
Distance |
411.52 |
|
Distance ly |
1342.38 |
|