18472+1655 ARN 75 (HD 173921)
18h 47m 19.94s +16° 54' 30.6" P.A. 26.00 sep 65.3 mag 6.81,8.59 Sp B8 dist. 315.46 pc (1029.03 l.y.)
| Coord 2000 |
18472+1655 |
|
Discov num |
ARN 75 |
|
Comp |
|
|
Coord arcsec 2000 |
18 47 19.94 +16 54 30.6 |
|
| Date first |
1899 |
|
Date last |
2010 |
|
Obs |
10 |
|
| Pa first |
27 |
|
Pa last |
26 |
|
P.A. Now (θ) |
26° |
|
| Sep first |
60.9 |
|
Sep last |
65.3 |
|
Sep. Now (ρ) |
65.3" |
|
| Mag pri |
6.81 |
|
Mag sec |
8.59 |
|
delta mag (ΔM) |
1.78 |
|
Spectral class |
B8 (blue-white) |
|
| Pri motion ra |
-002 |
|
Sec motion ra |
-002 |
|
| Pri motion dec |
-008 |
|
Sec motion dec |
-007 |
|
| Notes |
U
(Proper motion indicates non-physical) |
|
rPM=0.121 (< 0.3, Physical double)
This double is not physical.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 173921 |
|
Constellation |
Hercules |
|
SAO |
104098 |
|
HIP |
92191 |
|
| Tycho2 |
1587-00276-1 |
|
Gaia DR2 |
4511281094790764800 |
|
HD |
173921 |
|
GC |
25743 |
|
| BD |
BD+16 3613 |
|
Distance |
315.46 |
|
Distance ly |
1029.03 |
|
