18549+4136 HO 270 AC (HD 175740)
18h 54m 52.18s +41° 36' 09.8" P.A. 39.00 sep 23.9 mag 5.44,11.50 Sp K0III dist. 81.97 pc (267.39 l.y.)
Coord 2000 |
18549+4136 |
|
Discov num |
HO 270 |
|
Comp |
AC |
|
Coord arcsec 2000 |
18 54 52.18 +41 36 09.8 |
|
Date first |
1887 |
|
Date last |
2016 |
|
Obs |
11 |
|
Pa first |
39 |
|
Pa last |
39 |
|
P.A. Now (θ) |
39° |
|
Sep first |
23.2 |
|
Sep last |
23.866 |
|
Sep. Now (ρ) |
23.866" |
|
Mag pri |
5.44 |
|
Mag sec |
11.50 |
|
delta mag (ΔM) |
6.06 |
|
Spectral class |
K0III (yellow-orange) |
|
Pri motion ra |
-001 |
|
Sec motion ra |
|
|
Pri motion dec |
-003 |
|
Sec motion dec |
|
|
Notes |
|
|
Nature of this double is uncertain.
18549+4136 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
|
47909 |
18 54 52 +41 36 10 |
HO 270 AB |
2013 |
5 |
300 |
8.4 |
5.44 |
12.60 |
7.16 |
|
|
Show |
HD 175740 |
47909 |
18 54 52 +41 36 10 |
HO 270 AC |
2016 |
11 |
39 |
23.9 |
5.44 |
11.50 |
6.06 |
|
<=== |
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 175740 |
|
Constellation |
Lyra |
|
SAO |
47909 |
|
HIP |
92831 |
|
Tycho2 |
3127-02260-1 |
|
Gaia DR2 |
2104485016711846656 |
|
HD |
175740 |
|
HR |
7146 |
|
ADS |
11840 |
|
BD |
BD+41 3177 |
|
Distance |
81.97 |
|
Distance ly |
267.39 |
|