01478-0652 CVR 30 (Tau2 Hyi)
01h 47m 57.50s -06° 52' 22.1" P.A. 166.00 sep 11.0 mag 16.00,17.20 Sp M3+M4 dist. 61.84 pc (201.72 l.y.)
| Coord 2000 |
01478-0652 |
|
Discov num |
CVR 30 |
|
Comp |
|
|
Coord arcsec 2000 |
01 47 57.50 -06 52 22.1 |
|
| Date first |
1998 |
|
Date last |
2016 |
|
Obs |
8 |
|
| Pa first |
166 |
|
Pa last |
165.6 |
|
P.A. Now (θ) |
165.6° |
|
| Sep first |
11.0 |
|
Sep last |
11.01 |
|
Sep. Now (ρ) |
11.01" |
|
| Mag pri |
16.00 |
|
Mag sec |
17.20 |
|
delta mag (ΔM) |
1.2 |
|
Spectral class |
M3+M4 (red/red) |
|
| Pri motion ra |
+071 |
|
Sec motion ra |
+072 |
|
| Pri motion dec |
+053 |
|
Sec motion dec |
+053 |
|
| Notes |
V
R
(Proper motion indicates physical, Red magnitudes) |
|
rPM=0.011 (< 0.3, Physical double)
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
| Name |
Tau2 Hyi |
|
Constellation |
Cetus |
|
SAO |
258280 |
|
HIP |
8366 |
|
| Tycho2 |
9356-00316-1 |
|
Gaia DR2 |
2467281557036565248 |
|
HD |
11604 |
|
HR |
550 |
|
| GC |
2228 |
|
CP |
CP-80 35 |
|
Bayer |
Tau 2 Hydri |
|
Bayer name |
Tau2 Hyi |
|
| Distance |
61.84 |
|
Distance ly |
201.72 |
|
Bayer greek |
τ2 Hyi |
|
Bayer or Flamsteed indentifiers not always match the correct constellation because of procession and proper motion of the star. (Hyi vs Cet)
