20139+1806 BPMA 242
20h 13m 52.56s +18° 05' 50.5" P.A. 194.00 sep 288.2 mag 15.04,15.48
| Coord 2000 |
20139+1806 |
|
Discov num |
BPMA242 |
|
Comp |
|
|
Coord arcsec 2000 |
20 13 52.56 +18 05 50.5 |
|
| Date first |
1997 |
|
Date last |
2015 |
|
Obs |
9 |
|
| Pa first |
194 |
|
Pa last |
194 |
|
P.A. Now (θ) |
194° |
|
| Sep first |
287.9 |
|
Sep last |
288.157 |
|
Sep. Now (ρ) |
288.157" |
|
| Mag pri |
15.04 |
|
Mag sec |
15.48 |
|
delta mag (ΔM) |
0.44 |
|
Spectral class |
|
|
| Pri motion ra |
-012 |
|
Sec motion ra |
-021 |
|
| Pri motion dec |
-021 |
|
Sec motion dec |
-033 |
|
| Notes |
N
V
(See Notes, Proper motion indicates physical) |
|
rPM=0.383
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Sagitta |
|
Gaia DR2 |
1810204990159563520 |
|
