18180+3846 GIC 151
18h 18m 04.14s +38° 46' 29.9" P.A. 277.00 sep 9.8 mag 11.90,13.50 Sp M3V+M4V
Coord 2000 |
18180+3846 |
|
Discov num |
GIC 151 |
|
Comp |
|
|
Coord arcsec 2000 |
18 18 04.14 +38 46 29.9 |
|
Date first |
1960 |
|
Date last |
2020 |
|
Obs |
16 |
|
Pa first |
290 |
|
Pa last |
276.5 |
|
P.A. Now (θ) |
276.5° |
|
Sep first |
8.5 |
|
Sep last |
9.818 |
|
Sep. Now (ρ) |
9.818" |
|
Mag pri |
11.90 |
|
Mag sec |
13.50 |
|
delta mag (ΔM) |
1.6 |
|
Spectral class |
M3V+M4V (red/red) |
|
Pri motion ra |
-033 |
|
Sec motion ra |
-033 |
|
Pri motion dec |
-104 |
|
Sec motion dec |
-104 |
|
Notes |
N
V
P
(See Notes, Proper motion indicates physical, 100-year proper motion) |
|
This double is physical.
OTHER CATALOGS AND DESIGNATIONS