18011+4521 STF 3129 (HD 164898)
18h 01m 07.16s +45° 21' 03.3" P.A. 168.00 sep 30.8 mag 7.59,10.64 Sp B9 dist. 132.28 pc (431.5 l.y.)
Coord 2000 |
18011+4521 |
|
Discov num |
STF3129 |
|
Comp |
|
|
Coord arcsec 2000 |
18 01 07.16 +45 21 03.3 |
|
Date first |
1830 |
|
Date last |
2015 |
|
Obs |
20 |
|
Pa first |
169 |
|
Pa last |
167.7 |
|
P.A. Now (θ) |
167.7° |
|
Sep first |
31.1 |
|
Sep last |
30.76 |
|
Sep. Now (ρ) |
30.76" |
|
Mag pri |
7.59 |
|
Mag sec |
10.64 |
|
delta mag (ΔM) |
3.05 |
|
Spectral class |
B9 (blue-white) |
|
Pri motion ra |
+000 |
|
Sec motion ra |
+000 |
|
Pri motion dec |
+022 |
|
Sec motion dec |
+023 |
|
Notes |
|
|
rPM=0.043 (< 0.3, Physical double)
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 164898 |
|
Constellation |
Hercules |
|
SAO |
47139 |
|
HIP |
88239 |
|
Tycho2 |
3524-01868-1 |
|
Gaia DR2 |
2115973848068418048 |
|
HD |
164898 |
|
GC |
24549 |
|
BD |
BD+45 2643 |
|
Distance |
132.28 |
|
Distance ly |
431.5 |
|