21340+6029 HDS 3071 (HD 239700)
21h 33m 57.13s +60° 29' 24.7" P.A. 291.00 sep 0.1 mag 9.10,10.75 Sp B8 dist. 12500 pc (40775 l.y.)
| Coord 2000 |
21340+6029 |
|
Discov num |
HDS3071 |
|
Comp |
|
|
Coord arcsec 2000 |
21 33 57.13 +60 29 24.7 |
|
| Date first |
1991 |
|
Date last |
2007 |
|
Obs |
2 |
|
| Pa first |
280 |
|
Pa last |
291.1 |
|
P.A. Now (θ) |
291.1° |
|
| Sep first |
0.2 |
|
Sep last |
0.143 |
|
Sep. Now (ρ) |
0.143" |
|
| Mag pri |
9.10 |
|
Mag sec |
10.75 |
|
delta mag (ΔM) |
1.65 |
|
Spectral class |
B8 (blue-white) |
|
| Pri motion ra |
-002 |
|
Sec motion ra |
|
|
| Pri motion dec |
-004 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 239700 |
|
Constellation |
Cepheus |
|
SAO |
19497 |
|
HIP |
106479 |
|
| Tycho2 |
4249-00280-1 |
|
Gaia DR2 |
2191766723625346176 |
|
HD |
239700 |
|
BD |
BD+59 2398 |
|
| Distance |
12500 |
|
Distance ly |
40775 |
|
