15284+4940 HJ 2784 AB (HD 234231)
15h 28m 21.76s +49° 39' 32.8" P.A. 236.00 sep 16.7 mag 9.35,10.40 Sp K1IV
| Coord 2000 |
15284+4940 |
|
Discov num |
HJ 2784 |
|
Comp |
AB |
|
Coord arcsec 2000 |
15 28 21.76 +49 39 32.8 |
|
| Date first |
1879 |
|
Date last |
2020 |
|
Obs |
15 |
|
| Pa first |
229 |
|
Pa last |
236.1 |
|
P.A. Now (θ) |
236.1° |
|
| Sep first |
17.4 |
|
Sep last |
16.7 |
|
Sep. Now (ρ) |
16.7" |
|
| Mag pri |
9.35 |
|
Mag sec |
10.40 |
|
delta mag (ΔM) |
1.05 |
|
Spectral class |
K1IV (yellow-orange) |
|
| Pri motion ra |
+004 |
|
Sec motion ra |
-009 |
|
| Pri motion dec |
+001 |
|
Sec motion dec |
+016 |
|
| Notes |
U
(Proper motion indicates non-physical) |
|
rPM=1.081
This double is not physical.
15284+4940 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
HD 234231 |
45559 |
15 28 22 +49 39 33 |
HJ 2784 AB |
2020 |
15 |
236 |
16.7 |
9.35 |
10.40 |
1.05 |
|
<=== |
| Show |
|
45559 |
15 28 22 +49 39 33 |
HJ 2784 AC |
2015 |
11 |
9 |
41.6 |
9.35 |
12.51 |
3.16 |
|
|
| Show |
|
45559 |
15 28 22 +49 39 33 |
ABH 85 AD |
2015 |
7 |
3 |
31.3 |
9.35 |
14.30 |
4.95 |
|
|
Quadruple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 234231 |
|
Constellation |
Bootes |
|
SAO |
45559 |
|
Tycho2 |
3485-01164-1 |
|
| Gaia DR2 |
1594493831113776896 |
|
HD |
234231 |
|
