21121+7619 STT 436 (HD 202765)
21h 12m 03.86s +76° 18' 36.6" P.A. 227.00 sep 12.0 mag 7.09,11.00 Sp B9IV dist. 176.06 pc (574.31 l.y.)
| Coord 2000 |
21121+7619 |
|
Discov num |
STT 436 |
|
Comp |
|
|
Coord arcsec 2000 |
21 12 03.86 +76 18 36.6 |
|
| Date first |
1848 |
|
Date last |
2015 |
|
Obs |
17 |
|
| Pa first |
230 |
|
Pa last |
226.8 |
|
P.A. Now (θ) |
226.8° |
|
| Sep first |
11.6 |
|
Sep last |
11.989 |
|
Sep. Now (ρ) |
11.989" |
|
| Mag pri |
7.09 |
|
Mag sec |
11.00 |
|
delta mag (ΔM) |
3.91 |
|
Spectral class |
B9IV (blue-white) |
|
| Pri motion ra |
+010 |
|
Sec motion ra |
+008 |
|
| Pri motion dec |
+009 |
|
Sec motion dec |
+006 |
|
| Notes |
|
|
rPM=0.268 (< 0.3, Physical double)
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 202765 |
|
Constellation |
Cepheus |
|
SAO |
9990 |
|
HIP |
104667 |
|
| Tycho2 |
4586-01470-1 |
|
Gaia DR2 |
2278408411691360768 |
|
HD |
202765 |
|
GC |
29716 |
|
| BD |
BD+75 778 |
|
Distance |
176.06 |
|
Distance ly |
574.31 |
|
