18018+0118 SP 3 AB,C
18h 01m 45.19s +01° 18' 18.4" P.A. 315.00 sep 0.4 mag 4.45, Sp A2Vn dist. 89.69 pc (292.57 l.y.)
Coord 2000 |
18018+0118 |
|
Discov num |
SP 3 |
|
Comp |
AB,C |
|
Coord arcsec 2000 |
18 01 45.19 +01 18 18.4 |
|
Date first |
1892 |
|
Date last |
1892 |
|
Obs |
1 |
|
Pa first |
315 |
|
Pa last |
314.6 |
|
P.A. Now (θ) |
314.6° |
|
Sep first |
0.4 |
|
Sep last |
0.4 |
|
Sep. Now (ρ) |
0.4" |
|
Mag pri |
4.45 |
|
Mag sec |
|
|
delta mag (ΔM) |
|
|
Spectral class |
A2Vn (white) |
|
Pri motion ra |
+013 |
|
Sec motion ra |
|
|
Pri motion dec |
-015 |
|
Sec motion dec |
|
|
Notes |
N
(See Notes) |
|
Nature of this double is uncertain.
18018+0118 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
68 Oph |
123035 |
18 01 45 +01 18 18 |
BU 1125 AB |
2021 |
61 |
170 |
0.4 |
4.52 |
7.48 |
2.96 |
Y |
|
Show |
|
123035 |
18 01 45 +01 18 18 |
SP 3 AB,C |
1892 |
1 |
315 |
0.4 |
4.45 |
|
|
|
<=== |
Triple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Var name |
NSV10009 Oph |
|
Constellation |
Ophiuchus |
|
SAO |
123035 |
|
HIP |
88290 |
|
Tycho2 |
0430-03748-1 |
|
Gaia DR2 |
4467810837428358144 |
|
HD |
164577 |
|
HR |
6723 |
|
GC |
24534 |
|
ADS |
10990 |
|
BD |
BD+01 3560 |
|
Distance |
89.69 |
|
Distance ly |
292.57 |
|