04185+2817 HAT 4 AB
04h 18m 31.13s +28° 16' 30.1" P.A. 11.00 sep 30.0 mag 15.29,15.34 Sp K6V+M2V
Coord 2000 |
04185+2817 |
|
Discov num |
HAT 4 |
|
Comp |
AB |
|
Coord arcsec 2000 |
04 18 31.13 +28 16 30.1 |
|
Date first |
1955 |
|
Date last |
2015 |
|
Obs |
12 |
|
Pa first |
12 |
|
Pa last |
11.4 |
|
P.A. Now (θ) |
11.4° |
|
Sep first |
30.2 |
|
Sep last |
30.023 |
|
Sep. Now (ρ) |
30.023" |
|
Mag pri |
15.29 |
|
Mag sec |
15.34 |
|
delta mag (ΔM) |
0.05 |
|
Spectral class |
K6V+M2V (yellow-orange/red) |
|
Pri motion ra |
-017 |
|
Sec motion ra |
+008 |
|
Pri motion dec |
-066 |
|
Sec motion dec |
-024 |
|
Notes |
N
(See Notes) |
|
rPM=0.717
Nature of this double is uncertain.
04185+2817 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
|
|
04 18 31 +28 16 30 |
GHE 5 Aa,Ab |
2018 |
20 |
177 |
0.6 |
10.10 |
10.40 |
0.30 |
|
|
Show |
|
|
04 18 31 +28 16 30 |
HAT 4 AB |
2015 |
12 |
11 |
30.0 |
15.29 |
15.34 |
0.05 |
|
<=== |
Show |
|
|
04 18 32 +28 16 59 |
LEI 9 Ba,Bb |
2018 |
9 |
89 |
0.4 |
9.50 |
11.30 |
1.80 |
|
|
Quadruple system
2 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Taurus |
|
Gaia DR2 |
164507353496637952 |
|