HD 219828
23 18 46.7340
+18 38 44.6151
71.4
HD 219828
HIP 115100
TYC 1716-1182-1
BD+17 4896
SAO 108536
2MASS J23184673+1838445
Gaia DR2 2824958015312906240
1.23
1.7
8.01
8.68
6.871
6.614
6.530
5891
0.19
G0IV
HD 219828 b
TYC 1716-1182-1 b
Gaia DR2 2824958015312906240 b
HIP 115100 b
Confirmed planets
0.06607
3.834887
2455998.78
0.045
0.059
225
RV
17/11/27
2007
The HD 219828 system has a close-in hot Neptune planet on a near circular orbit and a massive super-Jupiter or brown dwarf on a highly-elliptical outer orbit.
HD 219828 c
TYC 1716-1182-1 c
Gaia DR2 2824958015312906240 c
HIP 115100 c
Confirmed planets
15.1
4791
2454180.7
5.96
0.8115
145.77
RV
2016
17/11/27
HD 219828 c is a massive planet or brown dwarf orbiting external to the hot Neptune HD 219828 b. It should be detectable with the Gaia mission, which will enable determination of the true mass and full orbital orientation.
Pegasus