12137+2118 HU 570
12h 13m 43.70s +21° 17' 42.1" P.A. 103.00 sep 3.0 mag 9.20,11.81 Sp G5 dist. 99.6 pc (324.9 l.y.)
Coord 2000 |
12137+2118 |
|
Discov num |
HU 570 |
|
Comp |
|
|
Coord arcsec 2000 |
12 13 43.70 +21 17 42.1 |
|
Date first |
1902 |
|
Date last |
2017 |
|
Obs |
23 |
|
Pa first |
104 |
|
Pa last |
103.3 |
|
P.A. Now (θ) |
103.3° |
|
Sep first |
2.5 |
|
Sep last |
3 |
|
Sep. Now (ρ) |
3" |
|
Mag pri |
9.20 |
|
Mag sec |
11.81 |
|
delta mag (ΔM) |
2.61 |
|
Spectral class |
G5 (yellow) |
|
Pri motion ra |
-202 |
|
Sec motion ra |
-199 |
|
Pri motion dec |
-077 |
|
Sec motion dec |
-077 |
|
Notes |
|
|
rPM=0.014 (< 0.3, Physical double)
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Coma Berenices |
|
HIP |
59630 |
|
Tycho2 |
1444-00616-1 |
|
Gaia DR2 |
3951624968952952192 |
|
BD |
BD+22 2453 |
|
Distance |
99.6 |
|
Distance ly |
324.9 |
|