14172+1646 SLW 988

 
 
14h 17m 10.52s +16 45' 53.2" P.A. 159 sep 21.2 mag 16.54,17.88 Sp M2.4+M3.4
 
 
Coord 2000
14172+1646
Discov num
SLW 988
Comp
Coord arcsec 2000
14 17 10.52 +16 45 53.2
Date first
2000
Date last
2010
Obs
3
Pa first
159
Pa last
159
P.A. Now (θ)
159°
Sep first
21.4
Sep last
21.2
Sep. Now (ρ)
21.2"
Mag pri
16.54
Mag sec
17.88
delta mag (ΔM)
1.34
Spectral class
M2.4+M3.4 (red/red)
Pri motion ra
-100
Sec motion ra
-102
Pri motion dec
+037
Sec motion dec
+034
Notes
V R (Proper motion indicates physical, Red magnitudes)
rPM=0.034 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
159.4
Precise sep
21.23
Constellation
Bootes
last precise pa
159.4
last precise sep
21.23
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
14172+1646 SLW 988 2005 1 159 21.4 16.54 17.88 M2.4 M3.4 V R 141710.52+164553.2
14172+1646 SLW 988 2010 3 160 21.2 16.54 17.88 M2.4+M3.4 V R 141710.52+164553.2

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