01165+4427 HJ 2031 AB (HD 7577)
01h 16m 32.85s +44° 26' 41.2" P.A. 342.00 sep 45.7 mag 8.48,9.52 Sp B9
Coord 2000 |
01165+4427 |
|
Discov num |
HJ 2031 |
|
Comp |
AB |
|
Coord arcsec 2000 |
01 16 32.85 +44 26 41.2 |
|
Date first |
1903 |
|
Date last |
2015 |
|
Obs |
17 |
|
Pa first |
342 |
|
Pa last |
341.9 |
|
P.A. Now (θ) |
341.9° |
|
Sep first |
46.0 |
|
Sep last |
45.66 |
|
Sep. Now (ρ) |
45.66" |
|
Mag pri |
8.48 |
|
Mag sec |
9.52 |
|
delta mag (ΔM) |
1.04 |
|
Spectral class |
B9 (blue-white) |
|
Pri motion ra |
+003 |
|
Sec motion ra |
+004 |
|
Pri motion dec |
-003 |
|
Sec motion dec |
-003 |
|
Notes |
|
|
rPM=0.2 (< 0.3, Physical double)
This double is physical.
01165+4427 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
HD 7577 |
37071 |
01 16 33 +44 26 41 |
HJ 2031 AB |
2015 |
17 |
342 |
45.7 |
8.48 |
9.52 |
1.04 |
|
<=== |
Show |
|
|
01 16 32 +44 27 25 |
HJ 2031 BC |
2014 |
8 |
263 |
21.0 |
9.52 |
13.70 |
4.18 |
|
|
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 7577 |
|
Constellation |
Andromeda |
|
SAO |
37071 |
|
Tycho2 |
2812-00571-1 |
|
Gaia DR2 |
397728303918639488 |
|
HD |
7577 |
|