20273-1813 BU 60 AB (Pi Cap)
20h 27m 19.20s -18° 12' 42.1" P.A. 148.00 sep 3.5 mag 5.13,8.53 Sp B8II-III dist. 167.22 pc (545.47 l.y.)
| Coord 2000 |
20273-1813 |
|
Discov num |
BU 60 |
|
Comp |
AB |
|
Coord arcsec 2000 |
20 27 19.20 -18 12 42.1 |
|
| Date first |
1846 |
|
Date last |
2019 |
|
Obs |
69 |
|
| Pa first |
145 |
|
Pa last |
147.8 |
|
P.A. Now (θ) |
147.8° |
|
| Sep first |
2.9 |
|
Sep last |
3.459 |
|
Sep. Now (ρ) |
3.459" |
|
| Mag pri |
5.13 |
|
Mag sec |
8.53 |
|
delta mag (ΔM) |
3.4 |
|
Spectral class |
B8II-III (blue-white) |
|
| Pri motion ra |
+011 |
|
Sec motion ra |
+010 |
|
| Pri motion dec |
-012 |
|
Sec motion dec |
-011 |
|
| Notes |
N
(See Notes) |
|
rPM=0.087 (< 0.3, Physical double)
This double is physical.
20273-1813 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
163592 |
20 27 19 -18 12 42 |
CHR 184 Aa,Ab |
2009 |
2 |
50 |
0.1 |
5.30 |
7.90 |
2.60 |
|
|
| Show |
Pi Cap |
163592 |
20 27 19 -18 12 42 |
BU 60 AB |
2019 |
69 |
148 |
3.5 |
5.13 |
8.53 |
3.40 |
|
<=== |
| Show |
|
163592 |
20 27 19 -18 12 42 |
BU 296 AC |
1999 |
4 |
40 |
37.9 |
5.13 |
14.10 |
8.97 |
|
|
Quadruple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Name |
Pi Cap |
|
Constellation |
Capricornus |
|
SAO |
163592 |
|
HIP |
100881 |
|
| Tycho2 |
6333-02129-2 |
|
Gaia DR2 |
6860902873140593152 |
|
HD |
194636 |
|
HR |
7814 |
|
| GC |
28442 |
|
ADS |
13860 |
|
BD |
BD-18 5685 |
|
Bayer |
Pi Capricorni |
|
| Bayer name |
Pi Cap |
|
Flamsteed |
10 Capricorni |
|
Flamsteed name |
10 Cap |
|
Distance |
167.22 |
|
| Distance ly |
545.47 |
|
Bayer greek |
π Cap |
|
