20144+4206 STF 2657 AC
20h 14m 21.53s +42° 06' 15.6" P.A. 32.00 sep 11.6 mag 7.28,9.80 Sp B9IV-V dist. 581.4 pc (1896.53 l.y.)
| Coord 2000 |
20144+4206 |
|
Discov num |
STF2657 |
|
Comp |
AC |
|
Coord arcsec 2000 |
20 14 21.53 +42 06 15.6 |
|
| Date first |
1828 |
|
Date last |
2015 |
|
Obs |
38 |
|
| Pa first |
33 |
|
Pa last |
31.5 |
|
P.A. Now (θ) |
31.5° |
|
| Sep first |
9.0 |
|
Sep last |
11.6 |
|
Sep. Now (ρ) |
11.6" |
|
| Mag pri |
7.28 |
|
Mag sec |
9.80 |
|
delta mag (ΔM) |
2.52 |
|
Spectral class |
B9IV-V (blue-white) |
|
| Pri motion ra |
+004 |
|
Sec motion ra |
+004 |
|
| Pri motion dec |
-002 |
|
Sec motion dec |
-002 |
|
| Notes |
|
|
Nature of this double is uncertain.
20144+4206 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
HD 192659 |
49345 |
20 14 22 +42 06 16 |
STT 403 AB |
2019 |
97 |
170 |
0.9 |
7.31 |
7.64 |
0.33 |
|
|
| Show |
|
49345 |
20 14 22 +42 06 16 |
STF 2657 AC |
2015 |
38 |
32 |
11.6 |
7.28 |
9.80 |
2.52 |
|
<=== |
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
SAO |
49345 |
|
HIP |
99749 |
|
Tycho2 |
3159-01225-1 |
|
| Gaia DR2 |
2080681345889489664 |
|
HD |
192659 |
|
HR |
7737 |
|
ADS |
13572 |
|
| BD |
BD+41 3668 |
|
Distance |
581.4 |
|
Distance ly |
1896.53 |
|
