20312+1116 CHR 99 Aa,Ab
20h 31m 11.94s +11° 15' 33.7" P.A. 142.00 sep 0.4 mag 7.10, Sp B8V dist. 321.54 pc (1048.86 l.y.)
| Coord 2000 |
20312+1116 |
|
Discov num |
CHR 99 |
|
Comp |
Aa,Ab |
|
Coord arcsec 2000 |
20 31 11.94 +11 15 33.7 |
|
| Date first |
1983 |
|
Date last |
2016 |
|
Obs |
15 |
|
| Pa first |
126 |
|
Pa last |
141.5 |
|
P.A. Now (θ) |
141.5° |
|
| Sep first |
0.3 |
|
Sep last |
0.385 |
|
Sep. Now (ρ) |
0.385" |
|
| Mag pri |
7.10 |
|
Mag sec |
|
|
delta mag (ΔM) |
|
|
Spectral class |
B8V (blue-white) |
|
| Pri motion ra |
-004 |
|
Sec motion ra |
|
|
| Pri motion dec |
-003 |
|
Sec motion dec |
|
|
| Notes |
N
(See Notes) |
|
Nature of this double is uncertain.
20312+1116 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
106195 |
20 31 12 +11 15 34 |
CHR 99 Aa,Ab |
2016 |
15 |
142 |
0.4 |
7.10 |
|
|
|
<=== |
| Show |
HD 195482 |
106195 |
20 31 12 +11 15 34 |
STF 2690 A,BC |
2020 |
161 |
255 |
17.8 |
7.12 |
7.39 |
0.27 |
|
|
| Show |
|
106195 |
20 31 12 +11 15 34 |
HJ 269 AD |
2016 |
17 |
108 |
23.0 |
7.12 |
12.10 |
4.98 |
|
|
| Show |
|
|
20 31 12 +11 15 34 |
DA 1 BC |
2016 |
98 |
184 |
0.3 |
7.90 |
8.00 |
0.10 |
Y |
|
Quintuple system
5 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Delphinus |
|
SAO |
106195 |
|
HIP |
101235 |
|
Tycho2 |
1095-01694-1 |
|
| Gaia DR2 |
1755310188501616128 |
|
HD |
195483 |
|
HR |
7840 |
|
GC |
28545 |
|
| ADS |
13946 |
|
BD |
BD+10 4307 |
|
Distance |
321.54 |
|
Distance ly |
1048.86 |
|
