03187-2526 B 47 (HD 20657)
03h 18m 43.97s -25° 25' 44.1" P.A. 308.00 sep 4.8 mag 8.64,11.49 Sp G2V dist. 84.25 pc (274.82 l.y.)
Coord 2000 |
03187-2526 |
|
Discov num |
B 47 |
|
Comp |
|
|
Coord arcsec 2000 |
03 18 43.97 -25 25 44.1 |
|
Date first |
1925 |
|
Date last |
2010 |
|
Obs |
10 |
|
Pa first |
313 |
|
Pa last |
308.2 |
|
P.A. Now (θ) |
308.2° |
|
Sep first |
4.3 |
|
Sep last |
4.76 |
|
Sep. Now (ρ) |
4.76" |
|
Mag pri |
8.64 |
|
Mag sec |
11.49 |
|
delta mag (ΔM) |
2.85 |
|
Spectral class |
G2V (yellow) |
|
Pri motion ra |
+023 |
|
Sec motion ra |
+011 |
|
Pri motion dec |
-025 |
|
Sec motion dec |
-016 |
|
Notes |
|
|
rPM=0.442
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 20657 |
|
Constellation |
Fornax |
|
SAO |
168456 |
|
HIP |
15418 |
|
Tycho2 |
6442-00863-1 |
|
Gaia DR2 |
5073906348670457984 |
|
HD |
20657 |
|
ADS |
2466 |
|
CD |
CD-25 1353 |
|
CP |
CP-25 413 |
|
Distance |
84.25 |
|
Distance ly |
274.82 |
|