21017+1652 BPM 2312 BC
21h 01m 50.43s +16° 51' 07.2" P.A. 68.00 sep 82.7 mag 15.64,14.70
| Coord 2000 |
21017+1652 |
|
Discov num |
BPM2312 |
|
Comp |
BC |
|
Coord arcsec 2000 |
21 01 50.43 +16 51 07.2 |
|
| Date first |
1994 |
|
Date last |
2015 |
|
Obs |
7 |
|
| Pa first |
68 |
|
Pa last |
68.1 |
|
P.A. Now (θ) |
68.1° |
|
| Sep first |
82.7 |
|
Sep last |
82.691 |
|
Sep. Now (ρ) |
82.691" |
|
| Mag pri |
15.64 |
|
Mag sec |
14.70 |
|
delta mag (ΔM) |
0.94 |
|
Spectral class |
|
|
| Pri motion ra |
-011 |
|
Sec motion ra |
-027 |
|
| Pri motion dec |
-008 |
|
Sec motion dec |
-013 |
|
| Notes |
N
V
(See Notes, Proper motion indicates physical) |
|
rPM=0.559
This double is physical.
21017+1652 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
|
21 01 43 +16 51 47 |
BPM 2311 AB |
2015 |
7 |
110 |
113.7 |
15.06 |
15.64 |
0.58 |
|
|
| Show |
|
|
21 01 50 +16 51 07 |
BPM 2312 BC |
2015 |
7 |
68 |
82.7 |
15.64 |
14.70 |
0.94 |
|
<=== |
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Delphinus |
|
Gaia DR2 |
1764078140895543680 |
|
