15404+2123 HU 579 (HD 139952)
15h 40m 23.68s +21° 22' 43.4" P.A. 136.00 sep 0.7 mag 9.02,9.37 Sp K0 dist. 1265.82 pc (4129.1 l.y.)
| Coord 2000 |
15404+2123 |
|
Discov num |
HU 579 |
|
Comp |
|
|
Coord arcsec 2000 |
15 40 23.68 +21 22 43.4 |
|
| Date first |
1902 |
|
Date last |
2016 |
|
Obs |
12 |
|
| Pa first |
129 |
|
Pa last |
136.4 |
|
P.A. Now (θ) |
136.4° |
|
| Sep first |
0.6 |
|
Sep last |
0.712 |
|
Sep. Now (ρ) |
0.712" |
|
| Mag pri |
9.02 |
|
Mag sec |
9.37 |
|
delta mag (ΔM) |
0.35 |
|
Spectral class |
K0 (yellow-orange) |
|
| Pri motion ra |
-025 |
|
Sec motion ra |
-025 |
|
| Pri motion dec |
+018 |
|
Sec motion dec |
+018 |
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 139952 |
|
Constellation |
Serpens |
|
SAO |
83937 |
|
HIP |
76761 |
|
| Tycho2 |
1501-01085-1 |
|
Gaia DR2 |
1217154046188768640 |
|
HD |
139952 |
|
BD |
BD+21 2802 |
|
| Distance |
1265.82 |
|
Distance ly |
4129.1 |
|
