13398+1345 CVR1531

 
 
13h 39m 50.19s +13 44' 47.0" P.A. 165.00 sep 4.3 mag 18.60,19.10 Sp M0+M1
 
 
Coord 2000
13398+1345
Discov num
CVR1531
Comp
Coord arcsec 2000
13 39 50.19 +13 44 47.0
Date first
1998
Date last
2015
Obs
4
Pa first
170
Pa last
165
P.A. Now (θ)
165°
Sep first
4.1
Sep last
4.3
Sep. Now (ρ)
4.3"
Mag pri
18.60
Mag sec
19.10
delta mag (ΔM)
0.5
Spectral class
M0+M1 (red/red)
Pri motion ra
-013
Sec motion ra
+017
Pri motion dec
-002
Sec motion dec
-000
Notes
V R (Proper motion indicates physical, Red magnitudes)
Visually invisible, K-band or other infrared star rPM=1.769
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
164.8
Precise sep
4.253
Constellation
Bootes
Gaia DR2
78047993088
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
13398+1345 CVR1531 2003 1 165 4.3 18.60 19.10 M1+M2 R 133950.19+134447.0
13398+1345 CVR1531 2015 4 165 4.3 18.60 19.10 M1+M2 R 133950.19+134447.0

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