21017+1652 BPM 2311 AB
21h 01m 43.02s +16° 51' 47.0" P.A. 110.00 sep 113.7 mag 15.06,15.64
| Coord 2000 |
21017+1652 |
|
Discov num |
BPM2311 |
|
Comp |
AB |
|
Coord arcsec 2000 |
21 01 43.02 +16 51 47.0 |
|
| Date first |
1994 |
|
Date last |
2015 |
|
Obs |
7 |
|
| Pa first |
111 |
|
Pa last |
110.4 |
|
P.A. Now (θ) |
110.4° |
|
| Sep first |
113.6 |
|
Sep last |
113.7 |
|
Sep. Now (ρ) |
113.7" |
|
| Mag pri |
15.06 |
|
Mag sec |
15.64 |
|
delta mag (ΔM) |
0.58 |
|
Spectral class |
|
|
| Pri motion ra |
-011 |
|
Sec motion ra |
-011 |
|
| Pri motion dec |
-005 |
|
Sec motion dec |
-008 |
|
| Notes |
N
V
(See Notes, Proper motion indicates physical) |
|
rPM=0.221 (< 0.3, Physical double)
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 |
1764078381413719168 |
|