21190+3945 STT 434 AB (HD 203112)
21h 19m 00.03s +39° 44' 57.6" P.A. 122.00 sep 24.4 mag 6.67,9.93 Sp B9V dist. 143.88 pc (469.34 l.y.)
| Coord 2000 |
21190+3945 |
|
Discov num |
STT 434 |
|
Comp |
AB |
|
Coord arcsec 2000 |
21 19 00.03 +39 44 57.6 |
|
| Date first |
1828 |
|
Date last |
2018 |
|
Obs |
36 |
|
| Pa first |
114 |
|
Pa last |
121.8 |
|
P.A. Now (θ) |
121.8° |
|
| Sep first |
26.5 |
|
Sep last |
24.425 |
|
Sep. Now (ρ) |
24.425" |
|
| Mag pri |
6.67 |
|
Mag sec |
9.93 |
|
delta mag (ΔM) |
3.26 |
|
Spectral class |
B9V (blue-white) |
|
| Pri motion ra |
+015 |
|
Sec motion ra |
+017 |
|
| Pri motion dec |
+008 |
|
Sec motion dec |
+008 |
|
| Notes |
N
(See Notes) |
|
rPM=0.106 (< 0.3, Physical double)
This double is physical.
21190+3945 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
HD 203112 |
71195 |
21 19 00 +39 44 58 |
STT 434 AB |
2018 |
36 |
122 |
24.4 |
6.67 |
9.93 |
3.26 |
|
<=== |
| Show |
|
71195 |
21 19 00 +39 44 58 |
ARY 5 AC |
2018 |
9 |
317 |
97.2 |
6.67 |
10.96 |
4.29 |
|
|
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 203112 |
|
Constellation |
Cygnus |
|
SAO |
71195 |
|
HIP |
105237 |
|
| Tycho2 |
3173-02670-1 |
|
Gaia DR2 |
1965559008129381120 |
|
HD |
203112 |
|
GC |
29837 |
|
| ADS |
14850 |
|
BD |
BD+39 4519 |
|
Distance |
143.88 |
|
Distance ly |
469.34 |
|
