17456-0330 HJ 4977 AC
17h 45m 34.25s -03° 30' 16.2" P.A. 147.00 sep 21.7 mag 8.37,14.50 Sp A0 dist. 219.78 pc (716.92 l.y.)
| Coord 2000 |
17456-0330 |
|
Discov num |
HJ 4977 |
|
Comp |
AC |
|
Coord arcsec 2000 |
17 45 34.25 -03 30 16.2 |
|
| Date first |
1835 |
|
Date last |
2015 |
|
Obs |
9 |
|
| Pa first |
139 |
|
Pa last |
147.2 |
|
P.A. Now (θ) |
147.2° |
|
| Sep first |
25.0 |
|
Sep last |
21.658 |
|
Sep. Now (ρ) |
21.658" |
|
| Mag pri |
8.37 |
|
Mag sec |
14.50 |
|
delta mag (ΔM) |
6.13 |
|
Spectral class |
A0 (white) |
|
| Pri motion ra |
+015 |
|
Sec motion ra |
|
|
| Pri motion dec |
+005 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
17456-0330 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
HD 161428 |
141855 |
17 45 34 -03 30 16 |
A 32 AB |
2016 |
16 |
212 |
0.7 |
8.37 |
9.62 |
1.25 |
|
|
| Show |
|
141855 |
17 45 34 -03 30 16 |
HJ 4977 AC |
2015 |
9 |
147 |
21.7 |
8.37 |
14.50 |
6.13 |
|
<=== |
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Ophiuchus |
|
SAO |
141855 |
|
HIP |
86917 |
|
Tycho2 |
5086-00399-1 |
|
| Gaia DR2 |
4176917130574205568 |
|
HD |
161428 |
|
BD |
BD-03 4168 |
|
Distance |
219.78 |
|
| Distance ly |
716.92 |
|
