16490-1936 HJ 4888 AB (52 Her)
16h 49m 02.02s -19° 36' 19.1" P.A. 223.00 sep 13.5 mag 9.53,9.73 Sp A4V dist. 719.42 pc (2346.75 l.y.)
| Coord 2000 |
16490-1936 |
|
Discov num |
HJ 4888 |
|
Comp |
AB |
|
Coord arcsec 2000 |
16 49 02.02 -19 36 19.1 |
|
| Date first |
1836 |
|
Date last |
2015 |
|
Obs |
28 |
|
| Pa first |
311 |
|
Pa last |
222.7 |
|
P.A. Now (θ) |
222.7° |
|
| Sep first |
8.0 |
|
Sep last |
13.501 |
|
Sep. Now (ρ) |
13.501" |
|
| Mag pri |
9.53 |
|
Mag sec |
9.73 |
|
delta mag (ΔM) |
0.2 |
|
Spectral class |
A4V (white) |
|
| Pri motion ra |
+030 |
|
Sec motion ra |
+015 |
|
| Pri motion dec |
-001 |
|
Sec motion dec |
-099 |
|
| Notes |
L
W
(Linear solution, ) |
|
rPM=0.99
This double is not physical.
OTHER CATALOGS AND DESIGNATIONS
| Name |
52 Her |
|
Var name |
V637 Her |
|
Constellation |
Ophiuchus |
|
SAO |
46305 |
|
| HIP |
82307 |
|
Tycho2 |
6226-01531-1 |
|
HD |
151576 |
|
HR |
6254 |
|
| GC |
22662 |
|
ADS |
10227 |
|
BD |
BD-19 4434 |
|
Flamsteed |
52 Herculis |
|
| Flamsteed name |
52 Her |
|
Distance |
719.42 |
|
Distance ly |
2346.75 |
|
Bayer or Flamsteed indentifiers not always match the correct constellation because of procession and proper motion of the star. (Her vs Oph)
