17488+0542 CVR 207 (V2327 Oph)

 
 
17h 48m 46.66s +05 41' 35.9" P.A. 219.00 sep 14.0 mag 17.40,17.50 Sp M4+M4 dist. 628.93 pc (2051.57 l.y.)
 
 
Coord 2000
17488+0542
Discov num
CVR 207
Comp
Coord arcsec 2000
17 48 46.66 +05 41 35.9
Date first
1993
Date last
2015
Obs
7
Pa first
220
Pa last
219
P.A. Now (θ)
219°
Sep first
14.1
Sep last
14.0
Sep. Now (ρ)
14"
Mag pri
17.40
Mag sec
17.50
delta mag (ΔM)
0.1
Spectral class
M4+M4 (red/red)
Pri motion ra
+021
Sec motion ra
+021
Pri motion dec
-061
Sec motion dec
-064
Notes
V R (Proper motion indicates physical, Red magnitudes)
rPM=0.045 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
219.2
Precise sep
14.044
Var name
V2327 Oph
Constellation
Hydra
HIP
87184
Tycho2
0428-01300-1
Gaia DR2
4473895259892931200
HD
162028
BD
BD+05 3504
Distance
628.93
Distance ly
2051.57
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17488+0542 CVR 207 2003 1 219 14.1 17.40 17.50 M4+M4 V R 174846.66+054135.9
17488+0542 CVR 207 2010 4 216 14.4 17.40 17.50 M4+M4 V R 174846.66+054135.9
17488+0542 CVR 207 2014 6 219 14.1 17.40 17.50 M4+M4 V R 174846.66+054135.9
17488+0542 CVR 207 2015 7 219 14.0 17.40 17.50 M4+M4 V R 174846.66+054135.9

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