02510+6706 TLB 5 (Tau2 Eri)
02h 50m 59.91s +67° 05' 30.7" P.A. 244.00 sep 43.2 mag 12.73,13.15 dist. 57.31 pc (186.95 l.y.)
| Coord 2000 |
02510+6706 |
|
Discov num |
TLB 5 |
|
Comp |
|
|
Coord arcsec 2000 |
02 50 59.91 +67 05 30.7 |
|
| Date first |
2003 |
|
Date last |
2022 |
|
Obs |
2 |
|
| Pa first |
244 |
|
Pa last |
244 |
|
P.A. Now (θ) |
244° |
|
| Sep first |
43.2 |
|
Sep last |
43.224 |
|
Sep. Now (ρ) |
43.224" |
|
| Mag pri |
12.73 |
|
Mag sec |
13.15 |
|
delta mag (ΔM) |
0.42 |
|
Spectral class |
|
|
| Pri motion ra |
|
|
Sec motion ra |
|
|
| Pri motion dec |
|
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Name |
Tau2 Eri |
|
Constellation |
Cassiopeia |
|
SAO |
168094 |
|
HIP |
13288 |
|
| Tycho2 |
5870-01028-1 |
|
HD |
17824 |
|
HR |
850 |
|
GC |
3429 |
|
| ADS |
2179 |
|
BD |
BD-21 509 |
|
Bayer |
Tau 2 Eridani |
|
Bayer name |
Tau2 Eri |
|
| Flamsteed |
2 Eridani |
|
Flamsteed name |
2 Eri |
|
FK5 |
102 |
|
Distance |
57.31 |
|
| Distance ly |
186.95 |
|
Bayer greek |
τ2 Eri |
|
Bayer or Flamsteed indentifiers not always match the correct constellation because of procession and proper motion of the star. (Eri vs Cas)
