08216+0418 SLW 243 BC
08h 21m 28.16s +04° 17' 17.1" P.A. 198.00 sep 179.5 mag 18.40,19.80 Sp M3.2+M4.0
| Coord 2000 |
08216+0418 |
|
Discov num |
SLW 243 |
|
Comp |
BC |
|
Coord arcsec 2000 |
08 21 28.16 +04 17 17.1 |
|
| Date first |
2000 |
|
Date last |
2015 |
|
Obs |
6 |
|
| Pa first |
198 |
|
Pa last |
197.5 |
|
P.A. Now (θ) |
197.5° |
|
| Sep first |
179.3 |
|
Sep last |
179.486 |
|
Sep. Now (ρ) |
179.486" |
|
| Mag pri |
18.40 |
|
Mag sec |
19.80 |
|
delta mag (ΔM) |
1.4 |
|
Spectral class |
M3.2+M4.0 (red/red) |
|
| Pri motion ra |
+022 |
|
Sec motion ra |
+015 |
|
| Pri motion dec |
-040 |
|
Sec motion dec |
-046 |
|
| Notes |
V
R
(Proper motion indicates physical, Red magnitudes) |
|
rPM=0.191 (< 0.3, Physical double)
This double is physical.
08216+0418 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
|
08 21 35 +04 18 09 |
SLW 245 AB |
2016 |
8 |
244 |
116.6 |
16.90 |
18.40 |
1.50 |
|
|
| Show |
|
|
08 21 28 +04 17 17 |
SLW 243 BC |
2015 |
6 |
198 |
179.5 |
18.40 |
19.80 |
1.40 |
|
<=== |
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Hydra |
|
Gaia DR2 |
3092908238791974912 |
|
