20393-1457 OCC 226 Ba,Bb
20h 39m 16.32s -14° 57' 17.0" P.A. -1.00 sep 0.1 mag 5.80,9.30 Sp B7III dist. 348.43 pc (1136.58 l.y.)
| Coord 2000 |
20393-1457 |
|
Discov num |
OCC 226 |
|
Comp |
Ba,Bb |
|
Coord arcsec 2000 |
20 39 16.32 -14 57 17.0 |
|
| Date first |
1940 |
|
Date last |
1974 |
|
Obs |
0 |
|
| Pa first |
-1 |
|
Pa last |
-1 |
|
P.A. Now (θ) |
-1 |
|
| Sep first |
0.1 |
|
Sep last |
0.055 |
|
Sep. Now (ρ) |
0.055" |
|
| Mag pri |
5.80 |
|
Mag sec |
9.30 |
|
delta mag (ΔM) |
3.5 |
|
Spectral class |
B7III (blue-white) |
|
| Pri motion ra |
+002 |
|
Sec motion ra |
|
|
| Pri motion dec |
-021 |
|
Sec motion dec |
|
|
| Notes |
N
(See Notes) |
|
Nature of this double is uncertain.
20393-1457 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
Tau Cap |
163771 |
20 39 16 -14 57 17 |
HU 200 AB |
2019 |
96 |
123 |
0.4 |
5.38 |
7.31 |
1.93 |
Y |
|
| Show |
|
163771 |
20 39 16 -14 57 17 |
HU 200 AC |
2000 |
7 |
272 |
159.2 |
5.38 |
12.20 |
6.82 |
|
|
| Show |
|
163771 |
20 39 16 -14 57 17 |
OCC 226 Ba,Bb |
1974 |
0 |
-1 |
0.1 |
5.80 |
9.30 |
3.50 |
|
<=== |
Quadruple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Capricornus |
|
SAO |
163771 |
|
HIP |
101923 |
|
Tycho2 |
5767-02439-1 |
|
| Gaia DR2 |
6863409385992156800 |
|
HD |
196662 |
|
HR |
7889 |
|
GC |
28748 |
|
| ADS |
14099 |
|
BD |
BD-15 5743 |
|
Bayer |
Tau Capricorni |
|
Bayer name |
Tau Cap |
|
| Distance |
348.43 |
|
Distance ly |
1136.58 |
|
Bayer greek |
τ Cap |
|
