15393+4030 CVR1641

 
 
15h 39m 16.60s +40 29' 37.0" P.A. 129.00 sep 3.8 mag 18.60,18.80 Sp M0+M0
 
 
Coord 2000
15393+4030
Discov num
CVR1641
Comp
Coord arcsec 2000
15 39 16.60 +40 29 37.0
Date first
2000
Date last
2015
Obs
4
Pa first
124
Pa last
129
P.A. Now (θ)
129°
Sep first
3.9
Sep last
3.8
Sep. Now (ρ)
3.8"
Mag pri
18.60
Mag sec
18.80
delta mag (ΔM)
0.2
Spectral class
M0+M0 (red/red)
Pri motion ra
-006
Sec motion ra
-029
Pri motion dec
-018
Sec motion dec
-029
Notes
V R (Proper motion indicates physical, Red magnitudes)
rPM=0.622
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
128.9
Precise sep
3.779
Constellation
Bootes
SAO
45664
Gaia DR2
1389930414320138496
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
15393+4030 CVR1641 2003 1 129 3.8 18.60 18.80 M1+M1 R 153916.60+402937.0
15393+4030 CVR1641 2015 4 129 3.8 18.60 18.80 M1+M1 R 153916.60+402937.0

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