15386+3826 ALI 862 (Tau Lib)
15h 38m 33.46s +38° 26' 10.4" P.A. 244.00 sep 6.3 mag 11.60,12.00 dist. 112.49 pc (366.94 l.y.)
| Coord 2000 |
15386+3826 |
|
Discov num |
ALI 862 |
|
Comp |
|
|
Coord arcsec 2000 |
15 38 33.46 +38 26 10.4 |
|
| Date first |
1933 |
|
Date last |
2021 |
|
Obs |
2 |
|
| Pa first |
244 |
|
Pa last |
243.8 |
|
P.A. Now (θ) |
243.8° |
|
| Sep first |
6.3 |
|
Sep last |
6.3 |
|
Sep. Now (ρ) |
6.3" |
|
| Mag pri |
11.60 |
|
Mag sec |
12.00 |
|
delta mag (ΔM) |
0.4 |
|
Spectral class |
|
|
| Pri motion ra |
-051 |
|
Sec motion ra |
|
|
| Pri motion dec |
-056 |
|
Sec motion dec |
|
|
| Notes |
N
X
(See Notes, Dubious double) |
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Name |
Tau Lib |
|
Constellation |
Corona Borealis |
|
SAO |
183649 |
|
HIP |
76600 |
|
| Tycho2 |
6789-01800-1 |
|
Gaia DR2 |
1377107256882341760 |
|
HD |
139365 |
|
HR |
5812 |
|
| GC |
21019 |
|
CD |
CD-2911837 |
|
CP |
CP-29 4233 |
|
Bayer |
Tau Librae |
|
| Bayer name |
Tau Lib |
|
Distance |
112.49 |
|
Distance ly |
366.94 |
|
Bayer greek |
τ Lib |
|
Bayer or Flamsteed indentifiers not always match the correct constellation because of procession and proper motion of the star. (Lib vs CrB)
