19091+3436 STF 2474 AB (HD 178911)
19h 09m 04.35s +34° 35' 59.9" P.A. 262.00 sep 16.0 mag 6.78,7.88 Sp G1V dist. 42.59 pc (138.93 l.y.)
| Coord 2000 |
19091+3436 |
|
Discov num |
STF2474 |
|
Comp |
AB |
|
Coord arcsec 2000 |
19 09 04.35 +34 35 59.9 |
|
| Date first |
1823 |
|
Date last |
2019 |
|
Obs |
84 |
|
| Pa first |
260 |
|
Pa last |
262 |
|
P.A. Now (θ) |
262° |
|
| Sep first |
17.1 |
|
Sep last |
15.96 |
|
Sep. Now (ρ) |
15.96" |
|
| Mag pri |
6.78 |
|
Mag sec |
7.88 |
|
delta mag (ΔM) |
1.1 |
|
Spectral class |
G1V (yellow) |
|
| Pri motion ra |
+056 |
|
Sec motion ra |
+069 |
|
| Pri motion dec |
+191 |
|
Sec motion dec |
+197 |
|
| Notes |
N
Z
V
(See Notes, Parallax indicates components are physical, Proper motion indicates physical) |
|
rPM=0.069 (< 0.3, Physical double)
This double is physical.
19091+3436 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
67879 |
19 09 04 +34 35 60 |
CHR 84 Aa,Ab |
2014 |
36 |
114 |
0.1 |
6.89 |
8.96 |
2.07 |
Y |
|
| Show |
HD 178911 |
67879 |
19 09 04 +34 35 60 |
STF 2474 AB |
2019 |
84 |
262 |
16.0 |
6.78 |
7.88 |
1.10 |
|
<=== |
| Show |
|
67879 |
19 09 04 +34 35 60 |
WAL 105 AC |
2017 |
5 |
126 |
97.5 |
6.78 |
11.42 |
4.64 |
|
|
Quadruple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 178911 |
|
Constellation |
Lyra |
|
SAO |
67879 |
|
HIP |
94075 |
|
| Tycho2 |
2648-02148-1 |
|
Gaia DR2 |
2044341077844183040 |
|
HD |
178911 |
|
HR |
7272 |
|
| GC |
26396 |
|
ADS |
12101 |
|
DM |
BD+34 3439 |
|
BD |
BD+34 3438 |
|
| Distance |
42.59 |
|
Distance ly |
138.93 |
|
