18498+4145 SLW 1222 BC
18h 49m 46.14s +41° 45' 23.4" P.A. 53.00 sep 22.0 mag 14.94,16.51 Sp K7.7+M1.8
Coord 2000 |
18498+4145 |
|
Discov num |
SLW1222 |
|
Comp |
BC |
|
Coord arcsec 2000 |
18 49 46.14 +41 45 23.4 |
|
Date first |
2000 |
|
Date last |
2016 |
|
Obs |
6 |
|
Pa first |
53 |
|
Pa last |
53.2 |
|
P.A. Now (θ) |
53.2° |
|
Sep first |
22.0 |
|
Sep last |
22.041 |
|
Sep. Now (ρ) |
22.041" |
|
Mag pri |
14.94 |
|
Mag sec |
16.51 |
|
delta mag (ΔM) |
1.57 |
|
Spectral class |
K7.7+M1.8 (yellow-orange/red) |
|
Pri motion ra |
-011 |
|
Sec motion ra |
-005 |
|
Pri motion dec |
+055 |
|
Sec motion dec |
+056 |
|
Notes |
V
R
(Proper motion indicates physical, Red magnitudes) |
|
rPM=0.108 (< 0.3, Physical double)
This double is physical.
18498+4145 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
|
|
18 49 44 +41 44 37 |
UC 3690 AB |
2015 |
7 |
28 |
52.8 |
11.90 |
14.94 |
3.04 |
|
|
Show |
|
|
18 49 46 +41 45 23 |
SLW 1222 BC |
2016 |
6 |
53 |
22.0 |
14.94 |
16.51 |
1.57 |
|
<=== |
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Lyra |
|
Gaia DR2 |
2104634378494928512 |
|