20452-0103 LEO 56 (HD 197657)
20h 45m 12.25s -01° 02' 34.7" P.A. 278.00 sep 0.5 mag 8.10,10.09 Sp G5 dist. 212.77 pc (694.06 l.y.)
Coord 2000 |
20452-0103 |
|
Discov num |
LEO 56 |
|
Comp |
|
|
Coord arcsec 2000 |
20 45 12.25 -01 02 34.7 |
|
Date first |
1943 |
|
Date last |
1991 |
|
Obs |
4 |
|
Pa first |
280 |
|
Pa last |
278.1 |
|
P.A. Now (θ) |
278.1° |
|
Sep first |
0.8 |
|
Sep last |
0.51 |
|
Sep. Now (ρ) |
0.51" |
|
Mag pri |
8.10 |
|
Mag sec |
10.09 |
|
delta mag (ΔM) |
1.99 |
|
Spectral class |
G5 (yellow) |
|
Pri motion ra |
-017 |
|
Sec motion ra |
-017 |
|
Pri motion dec |
-016 |
|
Sec motion dec |
-018 |
|
Notes |
|
|
rPM=0.081 (< 0.3, Physical double)
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 197657 |
|
Constellation |
Aquarius |
|
SAO |
144766 |
|
HIP |
102413 |
|
Tycho2 |
5178-00870-1 |
|
Gaia DR2 |
4227009407161337856 |
|
HD |
197657 |
|
BD |
BD-01 4043 |
|
Distance |
212.77 |
|
Distance ly |
694.06 |
|