17083+5051 ES 77 AB (HD 155328)
17h 08m 17.08s +50° 50' 32.0" P.A. 279.00 sep 18.6 mag 6.45,10.96 Sp A1V dist. 191.57 pc (624.9 l.y.)
| Coord 2000 |
17083+5051 |
|
Discov num |
ES 77 |
|
Comp |
AB |
|
Coord arcsec 2000 |
17 08 17.08 +50 50 32.0 |
|
| Date first |
1901 |
|
Date last |
2021 |
|
Obs |
19 |
|
| Pa first |
274 |
|
Pa last |
279.3 |
|
P.A. Now (θ) |
279.3° |
|
| Sep first |
17.0 |
|
Sep last |
18.61 |
|
Sep. Now (ρ) |
18.61" |
|
| Mag pri |
6.45 |
|
Mag sec |
10.96 |
|
delta mag (ΔM) |
4.51 |
|
Spectral class |
A1V (white) |
|
| Pri motion ra |
-008 |
|
Sec motion ra |
-019 |
|
| Pri motion dec |
+026 |
|
Sec motion dec |
+044 |
|
| Notes |
|
|
rPM=0.44
Nature of this double is uncertain.
17083+5051 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
30262 |
17 08 17 +50 50 32 |
CHR 60 Aa,Ab |
2007 |
3 |
10 |
0.2 |
6.46 |
|
|
|
|
| Show |
HD 155328 |
30262 |
17 08 17 +50 50 32 |
ES 77 AB |
2021 |
19 |
279 |
18.6 |
6.45 |
10.96 |
4.51 |
|
<=== |
Triple system
2 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 155328 |
|
Constellation |
Draco |
|
SAO |
30262 |
|
HIP |
83857 |
|
| Tycho2 |
3507-00022-1 |
|
Gaia DR2 |
1415549241405829760 |
|
HD |
155328 |
|
HR |
6383 |
|
| GC |
23147 |
|
ADS |
10369 |
|
BD |
BD+51 2178 |
|
Distance |
191.57 |
|
| Distance ly |
624.9 |
|
