18177+0258 A 2261 AB
18h 17m 44.86s +02° 58' 13.3" P.A. 242.00 sep 2.7 mag 9.16,12.70 Sp G5
Coord 2000 |
18177+0258 |
|
Discov num |
A 2261 |
|
Comp |
AB |
|
Coord arcsec 2000 |
18 17 44.86 +02 58 13.3 |
|
Date first |
1910 |
|
Date last |
2016 |
|
Obs |
7 |
|
Pa first |
248 |
|
Pa last |
241.7 |
|
P.A. Now (θ) |
241.7° |
|
Sep first |
2.2 |
|
Sep last |
2.65 |
|
Sep. Now (ρ) |
2.65" |
|
Mag pri |
9.16 |
|
Mag sec |
12.70 |
|
delta mag (ΔM) |
3.54 |
|
Spectral class |
G5 (yellow) |
|
Pri motion ra |
+023 |
|
Sec motion ra |
|
|
Pri motion dec |
-004 |
|
Sec motion dec |
|
|
Notes |
Z
W
(Parallax indicates components are physical, ) |
|
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Ophiuchus |
|
SAO |
123334 |
|
Tycho2 |
0436-01307-1 |
|
HD |
168042 |
|
ADS |
11236 |
|