03311+2744 STFA 7 AB (HD 21700)
03h 31m 03.47s +27° 43' 53.6" P.A. 234.00 sep 44.1 mag 7.41,7.81 Sp B9 dist. 120.05 pc (391.6 l.y.)
| Coord 2000 |
03311+2744 |
|
Discov num |
STFA 7 |
|
Comp |
AB |
|
Coord arcsec 2000 |
03 31 03.47 +27 43 53.6 |
|
| Date first |
1836 |
|
Date last |
2021 |
|
Obs |
58 |
|
| Pa first |
233 |
|
Pa last |
234.2 |
|
P.A. Now (θ) |
234.2° |
|
| Sep first |
44.0 |
|
Sep last |
44.14 |
|
Sep. Now (ρ) |
44.14" |
|
| Mag pri |
7.41 |
|
Mag sec |
7.81 |
|
delta mag (ΔM) |
0.4 |
|
Spectral class |
B9 (blue-white) |
|
| Pri motion ra |
+029 |
|
Sec motion ra |
+029 |
|
| Pri motion dec |
-028 |
|
Sec motion dec |
-028 |
|
| Notes |
N
Z
V
(See Notes, Parallax indicates components are physical, Proper motion indicates physical) |
|
This double is physical.
03311+2744 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
HD 21700 |
75964 |
03 31 03 +27 43 54 |
STFA 7 AB |
2021 |
58 |
234 |
44.1 |
7.41 |
7.81 |
0.40 |
|
<=== |
| Show |
|
75962 |
03 31 01 +27 43 27 |
SMR 60 BC |
2021 |
10 |
0 |
12.3 |
7.81 |
13.00 |
5.19 |
|
|
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 21700 |
|
Constellation |
Taurus |
|
SAO |
75964 |
|
HIP |
16386 |
|
| Tycho2 |
1806-00170-1 |
|
Gaia DR2 |
117931010151859840 |
|
HD |
21700 |
|
GC |
4181 |
|
| BD |
BD+27 514 |
|
Distance |
120.05 |
|
Distance ly |
391.6 |
|
