18055+2320 ZHN  32

 
 
18h 05m 27.97s +23 19' 25.9" P.A. 92 sep 343.3 mag 16.50,18.40 Sp sdM2+sdM5
 
 
Coord 2000
18055+2320
Discov num
ZHN  32
Comp
Coord arcsec 2000
18 05 27.97 +23 19 25.9
Date first
1998
Date last
2010
Obs
2
Pa first
92
Pa last
92
P.A. Now (θ)
92°
Sep first
345.1
Sep last
343.3
Sep. Now (ρ)
343.3"
Mag pri
16.50
Mag sec
18.40
delta mag (ΔM)
1.9
Spectral class
sdM2+sdM5
Pri motion ra
-145
Sec motion ra
-138
Pri motion dec
-117
Sec motion dec
-106
Notes
V (Proper motion indicates physical)
rPM=0.07 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
92.1
Precise sep
343.32
Cdsa2 id
ZHN 32
Constellation
Hercules
Ra deg
18.091102777777778
De deg
23.32386111111111
last precise pa
92.1
last precise sep
343.32
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18055+2320 ZHN 32 1998 1 92 345.1 16.50 18.40 sdM2+sdM5 V 180527.97+231925.9
18055+2320 ZHN 32 2000 1 92 344.0 16.50 18.40 sdM2+sdM5 V 180527.97+231925.9
18055+2320 ZHN 32 2010 2 92 343.2 16.50 18.40 sdM2+sdM5 V 180527.97+231925.9

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