07057-2048 I 769 AB (HD 53808)
07h 05m 41.57s -20° 47' 33.5" P.A. 112.00 sep 2.4 mag 8.44,11.53 Sp B6III dist. 546.45 pc (1782.52 l.y.)
| Coord 2000 |
07057-2048 |
|
Discov num |
I 769 |
|
Comp |
AB |
|
Coord arcsec 2000 |
07 05 41.57 -20 47 33.5 |
|
| Date first |
1910 |
|
Date last |
1991 |
|
Obs |
5 |
|
| Pa first |
110 |
|
Pa last |
111.9 |
|
P.A. Now (θ) |
111.9° |
|
| Sep first |
2.0 |
|
Sep last |
2.39 |
|
Sep. Now (ρ) |
2.39" |
|
| Mag pri |
8.44 |
|
Mag sec |
11.53 |
|
delta mag (ΔM) |
3.09 |
|
Spectral class |
B6III (blue-white) |
|
| Pri motion ra |
-011 |
|
Sec motion ra |
-004 |
|
| Pri motion dec |
+005 |
|
Sec motion dec |
+005 |
|
| Notes |
|
|
rPM=0.579
Nature of this double is uncertain.
07057-2048 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
HD 53808 |
172940 |
07 05 42 -20 47 34 |
I 769 AB |
1991 |
5 |
112 |
2.4 |
8.44 |
11.53 |
3.09 |
|
<=== |
| Show |
|
172940 |
07 05 42 -20 47 34 |
I 769 AC |
1999 |
3 |
170 |
9.5 |
8.44 |
13.40 |
4.96 |
|
|
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 53808 |
|
Constellation |
Canis Major |
|
SAO |
172940 |
|
HIP |
34219 |
|
| Tycho2 |
5976-01285-1 |
|
Gaia DR2 |
2929365337395000960 |
|
HD |
53808 |
|
BD |
BD-20 1714 |
|
| Distance |
546.45 |
|
Distance ly |
1782.52 |
|
