11499-2735 TDS 8052 Aa,Ab (HD 102766)
11h 49m 51.24s -27° 34' 57.1" P.A. 271.00 sep 0.4 mag 9.70,10.12 Sp M3III
Coord 2000 |
11499-2735 |
|
Discov num |
TDS8052 |
|
Comp |
Aa,Ab |
|
Coord arcsec 2000 |
11 49 51.24 -27 34 57.1 |
|
Date first |
1991 |
|
Date last |
1991 |
|
Obs |
1 |
|
Pa first |
271 |
|
Pa last |
270.8 |
|
P.A. Now (θ) |
270.8° |
|
Sep first |
0.4 |
|
Sep last |
0.41 |
|
Sep. Now (ρ) |
0.41" |
|
Mag pri |
9.70 |
|
Mag sec |
10.12 |
|
delta mag (ΔM) |
0.42 |
|
Spectral class |
M3III (red) |
|
Pri motion ra |
+014 |
|
Sec motion ra |
+009 |
|
Pri motion dec |
+001 |
|
Sec motion dec |
+000 |
|
Notes |
|
|
rPM=0.363
Nature of this double is uncertain.
11499-2735 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
HD 102766 |
180222 |
11 49 51 -27 34 57 |
TDS 8052 Aa,Ab |
1991 |
1 |
271 |
0.4 |
9.70 |
10.12 |
0.42 |
|
<=== |
Show |
|
180222 |
11 49 51 -27 34 57 |
B 2286 AB |
2015 |
4 |
303 |
13.3 |
9.22 |
14.40 |
5.18 |
|
|
Triple system
2 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 102766 |
|
Constellation |
Hydra |
|
SAO |
180222 |
|
Tycho2 |
6673-00353-1 |
|
Gaia DR2 |
3481260182424273664 |
|
HD |
102766 |
|