00518-0810 STF 68 AB,C (HD 4987)
00h 51m 50.50s -08° 09' 56.9" P.A. 295.00 sep 7.8 mag 8.31,9.91 Sp G0 dist. 156.49 pc (510.47 l.y.)
| Coord 2000 |
00518-0810 |
|
Discov num |
STF 68 |
|
Comp |
AB,C |
|
Coord arcsec 2000 |
00 51 50.50 -08 09 56.9 |
|
| Date first |
1830 |
|
Date last |
2017 |
|
Obs |
24 |
|
| Pa first |
296 |
|
Pa last |
295 |
|
P.A. Now (θ) |
295° |
|
| Sep first |
7.5 |
|
Sep last |
7.75 |
|
Sep. Now (ρ) |
7.75" |
|
| Mag pri |
8.31 |
|
Mag sec |
9.91 |
|
delta mag (ΔM) |
1.6 |
|
Spectral class |
G0 (yellow) |
|
| Pri motion ra |
+063 |
|
Sec motion ra |
+049 |
|
| Pri motion dec |
+028 |
|
Sec motion dec |
+033 |
|
| Notes |
|
|
rPM=0.216 (< 0.3, Physical double)
This double is physical.
00518-0810 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
128997 |
00 51 50 -08 09 57 |
RST 4160 AB |
2020 |
7 |
341 |
0.0 |
9.30 |
9.80 |
0.50 |
|
|
| Show |
HD 4987 |
128997 |
00 51 50 -08 09 57 |
STF 68 AB,C |
2017 |
24 |
295 |
7.8 |
8.31 |
9.91 |
1.60 |
|
<=== |
Triple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 4987 |
|
Constellation |
Cetus |
|
SAO |
128997 |
|
HIP |
4044 |
|
| Tycho2 |
5270-00576-1 |
|
Gaia DR2 |
2474551081243456384 |
|
HD |
4987 |
|
BD |
BD-08 154 |
|
| Distance |
156.49 |
|
Distance ly |
510.47 |
|
