04164+3317 HU 816 AB,C (HD 281720)
04h 16m 25.29s +33° 17' 10.2" P.A. 52.00 sep 14.9 mag 9.79,12.20 Sp K2
| Coord 2000 |
04164+3317 |
|
Discov num |
HU 816 |
|
Comp |
AB,C |
|
Coord arcsec 2000 |
04 16 25.29 +33 17 10.2 |
|
| Date first |
1899 |
|
Date last |
2014 |
|
Obs |
11 |
|
| Pa first |
51 |
|
Pa last |
51.5 |
|
P.A. Now (θ) |
51.5° |
|
| Sep first |
14.6 |
|
Sep last |
14.918 |
|
Sep. Now (ρ) |
14.918" |
|
| Mag pri |
9.79 |
|
Mag sec |
12.20 |
|
delta mag (ΔM) |
2.41 |
|
Spectral class |
K2 (yellow-orange) |
|
| Pri motion ra |
-004 |
|
Sec motion ra |
-004 |
|
| Pri motion dec |
-021 |
|
Sec motion dec |
-020 |
|
| Notes |
|
|
rPM=0.047 (< 0.3, Physical double)
This double is physical.
04164+3317 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
57116 |
04 16 25 +33 17 10 |
HU 816 AB |
2007 |
8 |
121 |
0.2 |
10.20 |
11.20 |
1.00 |
|
|
| Show |
HD 281720 |
57116 |
04 16 25 +33 17 10 |
HU 816 AB,C |
2014 |
11 |
52 |
14.9 |
9.79 |
12.20 |
2.41 |
|
<=== |
Triple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 281720 |
|
Constellation |
Perseus |
|
SAO |
57116 |
|
Tycho2 |
2375-00530-1 |
|
| Gaia DR2 |
169722989984424320 |
|
HD |
281720 |
|
