13144+3051 SKF 1854 BC
13h 14m 21.50s +30° 50' 50.6" P.A. 71.00 sep 2.8 mag 17.90,18.20 Sp DA+DA
Coord 2000 |
13144+3051 |
|
Discov num |
SKF1854 |
|
Comp |
BC |
|
Coord arcsec 2000 |
13 14 21.50 +30 50 50.6 |
|
Date first |
2004 |
|
Date last |
2015 |
|
Obs |
4 |
|
Pa first |
71 |
|
Pa last |
71.2 |
|
P.A. Now (θ) |
71.2° |
|
Sep first |
2.8 |
|
Sep last |
2.76 |
|
Sep. Now (ρ) |
2.76" |
|
Mag pri |
17.90 |
|
Mag sec |
18.20 |
|
delta mag (ΔM) |
0.3 |
|
Spectral class |
DA+DA (white dwarf/white dwarf) |
|
Pri motion ra |
-038 |
|
Sec motion ra |
|
|
Pri motion dec |
+028 |
|
Sec motion dec |
|
|
Notes |
V
(Proper motion indicates physical) |
|
This double is physical.
13144+3051 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
|
|
13 14 23 +30 50 42 |
SKF 1854 A,BC |
2015 |
4 |
303 |
16.0 |
12.20 |
17.20 |
5.00 |
|
|
Show |
|
|
13 14 22 +30 50 51 |
SKF 1854 BC |
2015 |
4 |
71 |
2.8 |
17.90 |
18.20 |
0.30 |
|
<=== |
Triple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Coma Berenices |
|
Gaia DR2 |
1463032819282938112 |
|