21584+7535 RAO 690
21h 58m 24.52s +75° 35' 20.6" P.A. 316.00 sep 218.6 mag 9.80,16.70 Sp M1V dist. 20.77 pc (67.75 l.y.)
| Coord 2000 |
21584+7535 |
|
Discov num |
RAO 690 |
|
Comp |
|
|
Coord arcsec 2000 |
21 58 24.52 +75 35 20.6 |
|
| Date first |
2016 |
|
Date last |
2016 |
|
Obs |
1 |
|
| Pa first |
316 |
|
Pa last |
316 |
|
P.A. Now (θ) |
316° |
|
| Sep first |
218.6 |
|
Sep last |
218.62 |
|
Sep. Now (ρ) |
218.62" |
|
| Mag pri |
9.80 |
|
Mag sec |
16.70 |
|
delta mag (ΔM) |
6.9 |
|
Spectral class |
M1V (red) |
|
| Pri motion ra |
+231 |
|
Sec motion ra |
|
|
| Pri motion dec |
+023 |
|
Sec motion dec |
|
|
| Notes |
R
(Red magnitudes) |
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cepheus |
|
HIP |
108467 |
|
Tycho2 |
4599-01183-1 |
|
GL |
Gl 842.2 |
|
| Distance |
20.77 |
|
Distance ly |
67.75 |
|
