17078-2835 HJ 4919 AB (HD 154641)
17h 07m 49.55s -28° 34' 48.4" P.A. 264.00 sep 22.4 mag 8.67,10.90 Sp F1V
| Coord 2000 |
17078-2835 |
|
Discov num |
HJ 4919 |
|
Comp |
AB |
|
Coord arcsec 2000 |
17 07 49.55 -28 34 48.4 |
|
| Date first |
1904 |
|
Date last |
2015 |
|
Obs |
8 |
|
| Pa first |
260 |
|
Pa last |
264 |
|
P.A. Now (θ) |
264° |
|
| Sep first |
22.3 |
|
Sep last |
22.399 |
|
Sep. Now (ρ) |
22.399" |
|
| Mag pri |
8.67 |
|
Mag sec |
10.90 |
|
delta mag (ΔM) |
2.23 |
|
Spectral class |
F1V (yellow-white) |
|
| Pri motion ra |
-004 |
|
Sec motion ra |
-006 |
|
| Pri motion dec |
-004 |
|
Sec motion dec |
+000 |
|
| Notes |
U
(Proper motion indicates non-physical) |
|
rPM=0.745
This double is not physical.
17078-2835 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
HD 154641 |
185044 |
17 07 50 -28 34 48 |
HJ 4919 AB |
2015 |
8 |
264 |
22.4 |
8.67 |
10.90 |
2.23 |
|
<=== |
| Show |
|
185044 |
17 07 50 -28 34 48 |
ABH 88 AD |
2015 |
4 |
38 |
81.0 |
8.60 |
12.82 |
4.22 |
|
|
| Show |
|
185044 |
17 07 50 -28 34 48 |
ABH 88 AE |
2015 |
4 |
304 |
95.7 |
8.60 |
13.66 |
5.06 |
|
|
| Show |
|
185044 |
17 07 50 -28 34 48 |
ABH 88 AF |
2015 |
4 |
128 |
30.2 |
8.67 |
13.50 |
4.83 |
|
|
| Show |
|
|
17 07 48 -28 34 51 |
DAW 214 BC |
2015 |
6 |
176 |
10.0 |
10.90 |
13.10 |
2.20 |
|
|
Sextuple system
6 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 154641 |
|
Constellation |
Ophiuchus |
|
SAO |
185044 |
|
Tycho2 |
6823-01469-1 |
|
| Gaia DR2 |
6029960365152261760 |
|
HD |
154641 |
|
