20045+1638 BPM 1974 AD
20h 04m 27.13s +16° 38' 10.9" P.A. 297.00 sep 102.2 mag 15.08,15.45
| Coord 2000 |
20045+1638 |
|
Discov num |
BPM1974 |
|
Comp |
AD |
|
Coord arcsec 2000 |
20 04 27.13 +16 38 10.9 |
|
| Date first |
1994 |
|
Date last |
2015 |
|
Obs |
8 |
|
| Pa first |
298 |
|
Pa last |
297.2 |
|
P.A. Now (θ) |
297.2° |
|
| Sep first |
102.1 |
|
Sep last |
102.187 |
|
Sep. Now (ρ) |
102.187" |
|
| Mag pri |
15.08 |
|
Mag sec |
15.45 |
|
delta mag (ΔM) |
0.37 |
|
Spectral class |
|
|
| Pri motion ra |
-013 |
|
Sec motion ra |
-019 |
|
| Pri motion dec |
-003 |
|
Sec motion dec |
-025 |
|
| Notes |
N
V
(See Notes, Proper motion indicates physical) |
|
rPM=0.726
This double is physical.
20045+1638 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
|
20 04 27 +16 38 11 |
BPM 1972 AB |
2015 |
8 |
206 |
37.6 |
15.08 |
15.74 |
0.66 |
|
|
| Show |
|
|
20 04 27 +16 38 11 |
BPM 1973 AC |
2015 |
8 |
330 |
98.3 |
15.08 |
15.39 |
0.31 |
|
|
| Show |
|
|
20 04 27 +16 38 11 |
BPM 1974 AD |
2015 |
8 |
297 |
102.2 |
15.08 |
15.45 |
0.37 |
|
<=== |
Quadruple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Sagitta |
|
Gaia DR2 |
1808171031090574976 |
|
