18448+3736 BU 968 AC
18h 44m 46.36s +37° 36' 18.4" P.A. 270.00 sep 48.9 mag 4.34,13.30 Sp F0IVv dist. 47.87 pc (156.15 l.y.)
Coord 2000 |
18448+3736 |
|
Discov num |
BU 968 |
|
Comp |
AC |
|
Coord arcsec 2000 |
18 44 46.36 +37 36 18.4 |
|
Date first |
1880 |
|
Date last |
2012 |
|
Obs |
8 |
|
Pa first |
275 |
|
Pa last |
270 |
|
P.A. Now (θ) |
270° |
|
Sep first |
43.4 |
|
Sep last |
48.85 |
|
Sep. Now (ρ) |
48.85" |
|
Mag pri |
4.34 |
|
Mag sec |
13.30 |
|
delta mag (ΔM) |
8.96 |
|
Spectral class |
F0IVv (yellow-white) |
|
Pri motion ra |
+029 |
|
Sec motion ra |
|
|
Pri motion dec |
+027 |
|
Sec motion dec |
|
|
Notes |
N
(See Notes) |
|
Nature of this double is uncertain.
18448+3736 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
|
67321 |
18 44 46 +37 36 18 |
BU 968 AB |
2012 |
9 |
50 |
22.3 |
4.34 |
15.80 |
11.46 |
|
|
Show |
|
67321 |
18 44 46 +37 36 18 |
BU 968 AC |
2012 |
8 |
270 |
48.9 |
4.34 |
13.30 |
8.96 |
|
<=== |
Show |
Zet2 Lyr |
67321 |
18 44 46 +37 36 18 |
STFA 38 AD |
2018 |
115 |
150 |
43.7 |
4.34 |
5.62 |
1.28 |
|
|
Show |
|
67321 |
18 44 46 +37 36 18 |
BU 968 AE |
2012 |
9 |
298 |
62.5 |
4.34 |
13.50 |
9.16 |
|
|
Show |
|
67321 |
18 44 46 +37 36 18 |
FYM 42 AF |
2012 |
3 |
330 |
77.5 |
4.34 |
13.70 |
9.36 |
|
|
Sextuple system
6 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Var name |
NSV11308 Lyr |
|
Constellation |
Lyra |
|
SAO |
67321 |
|
HIP |
91971 |
|
Tycho2 |
3118-02080-1 |
|
Gaia DR2 |
2096875399811529472 |
|
HD |
173648 |
|
HR |
7056 |
|
GC |
25676 |
|
ADS |
11639 |
|
BD |
BD+37 3222 |
|
Bayer |
Zeta 1 Lyrae |
|
Bayer name |
Zet1 Lyr |
|
Flamsteed |
6 Lyrae |
|
Flamsteed name |
6 Lyr |
|
Distance |
47.87 |
|
Distance ly |
156.15 |
|
Bayer greek |
ζ1 Lyr |
|