18588+4041 STF 2431 (HD 176502)
18h 58m 46.59s +40° 40' 45.1" P.A. 236.00 sep 19.0 mag 6.17,9.61 Sp B3V dist. 300.3 pc (979.58 l.y.)
Coord 2000 |
18588+4041 |
|
Discov num |
STF2431 |
|
Comp |
|
|
Coord arcsec 2000 |
18 58 46.59 +40 40 45.1 |
|
Date first |
1782 |
|
Date last |
2013 |
|
Obs |
45 |
|
Pa first |
246 |
|
Pa last |
235.7 |
|
P.A. Now (θ) |
235.7° |
|
Sep first |
19.8 |
|
Sep last |
19.009 |
|
Sep. Now (ρ) |
19.009" |
|
Mag pri |
6.17 |
|
Mag sec |
9.61 |
|
delta mag (ΔM) |
3.44 |
|
Spectral class |
B3V (blue-white) |
|
Pri motion ra |
+002 |
|
Sec motion ra |
+000 |
|
Pri motion dec |
+000 |
|
Sec motion dec |
-004 |
|
Notes |
N
V
(See Notes, Proper motion indicates physical) |
|
rPM=1.118
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 176502 |
|
Constellation |
Lyra |
|
SAO |
47965 |
|
HIP |
93177 |
|
Tycho2 |
3123-01062-1 |
|
Gaia DR2 |
2103449001881575680 |
|
HD |
176502 |
|
HR |
7179 |
|
GC |
26087 |
|
ADS |
11910 |
|
BD |
BD+40 3544 |
|
Distance |
300.3 |
|
Distance ly |
979.58 |
|