21477+5942 PET 11 (HD 207538)
21h 47m 39.78s +59° 42' 01.3" P.A. 194.00 sep 0.1 mag 7.20,9.30 Sp O9.7IV dist. 2000 pc (6524 l.y.)
Coord 2000 |
21477+5942 |
|
Discov num |
PET 11 |
|
Comp |
|
|
Coord arcsec 2000 |
21 47 39.78 +59 42 01.3 |
|
Date first |
2007 |
|
Date last |
2007 |
|
Obs |
1 |
|
Pa first |
194 |
|
Pa last |
194 |
|
P.A. Now (θ) |
194° |
|
Sep first |
0.1 |
|
Sep last |
0.07 |
|
Sep. Now (ρ) |
0.07" |
|
Mag pri |
7.20 |
|
Mag sec |
9.30 |
|
delta mag (ΔM) |
2.1 |
|
Spectral class |
O9.7IV (blue) |
|
Pri motion ra |
-002 |
|
Sec motion ra |
|
|
Pri motion dec |
-003 |
|
Sec motion dec |
|
|
Notes |
N
(See Notes) |
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 207538 |
|
Constellation |
Cepheus |
|
SAO |
33763 |
|
HIP |
107598 |
|
Tycho2 |
3980-01047-1 |
|
Gaia DR2 |
2203434019472097664 |
|
HD |
207538 |
|
GC |
30530 |
|
BD |
BD+59 2420 |
|
Distance |
2000 |
|
Distance ly |
6524 |
|