20302+1925 BU 987 AB (HD 195358)
20h 30m 14.44s +19° 25' 15.7" P.A. 128.00 sep 2.5 mag 6.80,11.10 Sp B7IV dist. 386.1 pc (1259.46 l.y.)
| Coord 2000 |
20302+1925 |
|
Discov num |
BU 987 |
|
Comp |
AB |
|
Coord arcsec 2000 |
20 30 14.44 +19 25 15.7 |
|
| Date first |
1880 |
|
Date last |
2018 |
|
Obs |
12 |
|
| Pa first |
128 |
|
Pa last |
127.5 |
|
P.A. Now (θ) |
127.5° |
|
| Sep first |
2.3 |
|
Sep last |
2.52 |
|
Sep. Now (ρ) |
2.52" |
|
| Mag pri |
6.80 |
|
Mag sec |
11.10 |
|
delta mag (ΔM) |
4.3 |
|
Spectral class |
B7IV (blue-white) |
|
| Pri motion ra |
+006 |
|
Sec motion ra |
|
|
| Pri motion dec |
-006 |
|
Sec motion dec |
|
|
| Notes |
N
(See Notes) |
|
Nature of this double is uncertain.
20302+1925 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
HD 195358 |
106177 |
20 30 14 +19 25 16 |
BU 987 AB |
2018 |
12 |
128 |
2.5 |
6.80 |
11.10 |
4.30 |
|
<=== |
| Show |
|
106177 |
20 30 14 +19 25 16 |
S 752 AC |
2015 |
31 |
288 |
106.3 |
6.80 |
7.30 |
0.50 |
|
|
| Show |
|
106177 |
20 30 14 +19 25 16 |
FOX 254 AE |
2013 |
8 |
70 |
21.2 |
6.80 |
13.00 |
6.20 |
|
|
| Show |
|
106171 |
20 30 07 +19 25 48 |
FOX 254 CD |
2015 |
8 |
301 |
35.0 |
7.30 |
15.30 |
8.00 |
|
|
Quintuple system
5 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 195358 |
|
Constellation |
Delphinus |
|
SAO |
106177 |
|
HIP |
101154 |
|
| Tycho2 |
1640-01818-1 |
|
Gaia DR2 |
1815850192083365120 |
|
HD |
195358 |
|
GC |
28528 |
|
| ADS |
13921 |
|
BD |
BD+18 4517 |
|
Distance |
386.1 |
|
Distance ly |
1259.46 |
|
