17139+2848 BU 44 AC
17h 13m 55.16s +28° 48' 09.0" P.A. 41.00 sep 42.4 mag 9.19,12.13 Sp A5
| Coord 2000 |
17139+2848 |
|
Discov num |
BU 44 |
|
Comp |
AC |
|
Coord arcsec 2000 |
17 13 55.16 +28 48 09.0 |
|
| Date first |
1901 |
|
Date last |
2015 |
|
Obs |
13 |
|
| Pa first |
45 |
|
Pa last |
41.1 |
|
P.A. Now (θ) |
41.1° |
|
| Sep first |
40.0 |
|
Sep last |
42.434 |
|
Sep. Now (ρ) |
42.434" |
|
| Mag pri |
9.19 |
|
Mag sec |
12.13 |
|
delta mag (ΔM) |
2.94 |
|
Spectral class |
A5 (white) |
|
| Pri motion ra |
+005 |
|
Sec motion ra |
+006 |
|
| Pri motion dec |
-025 |
|
Sec motion dec |
+019 |
|
| Notes |
|
|
rPM=1.726
This double is not physical.
17139+2848 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
HD 156001 |
|
17 13 55 +28 48 09 |
BU 44 AB |
2018 |
39 |
17 |
5.6 |
9.19 |
9.70 |
0.51 |
|
|
| Show |
|
|
17 13 55 +28 48 09 |
BU 44 AC |
2015 |
13 |
41 |
42.4 |
9.19 |
12.13 |
2.94 |
|
<=== |
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Hercules |
|
Tycho2 |
2073-01124-1 |
|
Gaia DR2 |
4575440793714009216 |
|
HD |
156001 |
|
| DM |
BD+28 2697 |
|
