18180+3846 GIC 151

 
 
18h 18m 04.14s +38 46' 29.9" P.A. 277 sep 10 mag 11.50,13.20 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
2016
Obs
12
Pa first
290
Pa last
277
P.A. Now (θ)
277°
Sep first
8.5
Sep last
10.0
Sep. Now (ρ)
10"
Mag pri
11.50
Mag sec
13.20
delta mag (ΔM)
1.7
Spectral class
M3V+M4V (red/red)
Pri motion ra
-033
Sec motion ra
-033
Pri motion dec
-104
Sec motion dec
-104
Notes
N P R (See Notes, 100-year proper motion, Red magnitudes)
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
277.4
Precise sep
9.977
Constellation
Lyra
last precise pa
277.4
last precise sep
9.977
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18180+3846 GIC 151 1998 7 280 9.7 12.93 14.45 N DP 181804.24+384632.6
18180+3846 GIC 151 2002 8 279 9.8 11.50 13.20 NP R 181804.14+384629.9
18180+3846 GIC 151 2012 9 277 10.0 11.50 13.20 M3V+M4V NP R 181804.14+384629.9
18180+3846 GIC 151 2015 10 277 10.0 11.50 13.20 M3V+M4V NP R 181804.14+384629.9
18180+3846 GIC 151 2016 12 277 10.0 11.50 13.20 M3V+M4V NP R 181804.14+384629.9

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