23099+4452 COU 2341 (HD 218740)
23h 09m 54.77s +44° 51' 51.5" P.A. 23.00 sep 0.9 mag 8.58,10.39 Sp A0 dist. 386.1 pc (1259.46 l.y.)
| Coord 2000 |
23099+4452 |
|
Discov num |
COU2341 |
|
Comp |
|
|
Coord arcsec 2000 |
23 09 54.77 +44 51 51.5 |
|
| Date first |
1985 |
|
Date last |
2016 |
|
Obs |
7 |
|
| Pa first |
22 |
|
Pa last |
23 |
|
P.A. Now (θ) |
23° |
|
| Sep first |
0.9 |
|
Sep last |
0.895 |
|
Sep. Now (ρ) |
0.895" |
|
| Mag pri |
8.58 |
|
Mag sec |
10.39 |
|
delta mag (ΔM) |
1.81 |
|
Spectral class |
A0 (white) |
|
| Pri motion ra |
+005 |
|
Sec motion ra |
+003 |
|
| Pri motion dec |
-004 |
|
Sec motion dec |
-004 |
|
| Notes |
|
|
rPM=0.312
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 218740 |
|
Constellation |
Andromeda |
|
SAO |
52749 |
|
HIP |
114374 |
|
| Tycho2 |
3228-00205-1 |
|
Gaia DR2 |
1935042677070983936 |
|
HD |
218740 |
|
BD |
BD+44 4339 |
|
| Distance |
386.1 |
|
Distance ly |
1259.46 |
|
