23012+8047 STT 487 (HD 217992)
23h 01m 14.77s +80° 46' 54.2" P.A. 199.00 sep 0.5 mag 7.04,8.31 Sp A3 dist. 135.5 pc (442 l.y.)
| Coord 2000 |
23012+8047 |
|
Discov num |
STT 487 |
|
Comp |
|
|
Coord arcsec 2000 |
23 01 14.77 +80 46 54.2 |
|
| Date first |
1889 |
|
Date last |
2020 |
|
Obs |
24 |
|
| Pa first |
206 |
|
Pa last |
198.9 |
|
P.A. Now (θ) |
198.9° |
|
| Sep first |
0.2 |
|
Sep last |
0.47 |
|
Sep. Now (ρ) |
0.47" |
|
| Mag pri |
7.04 |
|
Mag sec |
8.31 |
|
delta mag (ΔM) |
1.27 |
|
Spectral class |
A3 (white) |
|
| Pri motion ra |
+020 |
|
Sec motion ra |
|
|
| Pri motion dec |
+026 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 217992 |
|
Constellation |
Cepheus |
|
SAO |
3830 |
|
HIP |
113664 |
|
| Tycho2 |
4613-01169-1 |
|
Gaia DR2 |
2286068915360948736 |
|
HD |
217992 |
|
GC |
32113 |
|
| BD |
BD+79 761 |
|
Distance |
135.5 |
|
Distance ly |
442 |
|
