09291-0246 HJ 1167 (Tau1 Hya)
09h 29m 08.84s -02° 46' 08.2" P.A. 4.00 sep 65.7 mag 4.64,7.28 Sp F6V+K0 dist. 17.33 pc (56.53 l.y.)
Coord 2000 |
09291-0246 |
|
Discov num |
HJ 1167 |
|
Comp |
|
|
Coord arcsec 2000 |
09 29 08.84 -02 46 08.2 |
|
Date first |
1782 |
|
Date last |
2016 |
|
Obs |
47 |
|
Pa first |
359 |
|
Pa last |
4.2 |
|
P.A. Now (θ) |
4.2° |
|
Sep first |
61.7 |
|
Sep last |
65.73 |
|
Sep. Now (ρ) |
65.73" |
|
Mag pri |
4.64 |
|
Mag sec |
7.28 |
|
delta mag (ΔM) |
2.64 |
|
Spectral class |
F6V+K0 (yellow-white/yellow-orange) |
|
Pri motion ra |
+099 |
|
Sec motion ra |
+142 |
|
Pri motion dec |
-003 |
|
Sec motion dec |
-017 |
|
Notes |
N
V
(See Notes, Proper motion indicates physical) |
|
rPM=0.316
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
Name |
Tau1 Hya |
|
Constellation |
Hydra |
|
SAO |
136895 |
|
HIP |
46509 |
|
Tycho2 |
4885-01568-1 |
|
Gaia DR2 |
3837697972130323456 |
|
HD |
81997 |
|
HR |
3759 |
|
GC |
13080 |
|
GL |
Gl 348A |
|
BD |
BD-02 2901 |
|
Bayer |
Tau 1 Hydrae |
|
Bayer name |
Tau1 Hya |
|
Flamsteed |
31 Hydrae |
|
Flamsteed name |
31 Hya |
|
Distance |
17.33 |
|
Distance ly |
56.53 |
|
Bayer greek |
τ1 Hya |
|