20215+3950 SEI 1103 (HD 193946)
20h 21m 32.72s +39° 49' 45.6" P.A. 223.00 sep 17.0 mag 9.11,10.85 Sp B2Ib dist. 255.1 pc (832.14 l.y.)
| Coord 2000 |
20215+3950 |
|
Discov num |
SEI1103 |
|
Comp |
|
|
Coord arcsec 2000 |
20 21 32.72 +39 49 45.6 |
|
| Date first |
1892 |
|
Date last |
2015 |
|
Obs |
14 |
|
| Pa first |
224 |
|
Pa last |
223 |
|
P.A. Now (θ) |
223° |
|
| Sep first |
16.9 |
|
Sep last |
17.039 |
|
Sep. Now (ρ) |
17.039" |
|
| Mag pri |
9.11 |
|
Mag sec |
10.85 |
|
delta mag (ΔM) |
1.74 |
|
Spectral class |
B2Ib (blue-white) |
|
| Pri motion ra |
-003 |
|
Sec motion ra |
-004 |
|
| Pri motion dec |
-007 |
|
Sec motion dec |
-007 |
|
| Notes |
|
|
rPM=0.124 (< 0.3, Physical double)
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 193946 |
|
Constellation |
Cygnus |
|
SAO |
69895 |
|
HIP |
100391 |
|
| Tycho2 |
3156-00479-1 |
|
Gaia DR2 |
2061499850151685888 |
|
HD |
193946 |
|
BD |
BD+39 4151 |
|
| Distance |
255.1 |
|
Distance ly |
832.14 |
|
