10366+5440 LDS2870

 
 
10h 36m 38.94s +54 40' 50.3" P.A. 311 sep 9.2 mag 16.10,20.80 Sp M2+M5
 
 
Coord 2000
10366+5440
Discov num
LDS2870
Comp
Coord arcsec 2000
10 36 38.94 +54 40 50.3
Date first
1955
Date last
2015
Obs
4
Pa first
305
Pa last
311
P.A. Now (θ)
311°
Sep first
7.0
Sep last
9.2
Sep. Now (ρ)
9.2"
Mag pri
16.10
Mag sec
20.80
delta mag (ΔM)
4.7
Spectral class
M2+M5 (red/red)
Pri motion ra
-065
Sec motion ra
-063
Pri motion dec
-005
Sec motion dec
-007
Notes
V (Proper motion indicates physical)
rPM=0.043 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
311.2
Precise sep
9.171
Constellation
Ursa Major
Gaia DR2
8445466240
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
10366+5440 LDS2870 2000 3 311 9.2 16.10 20.80 103638.94+544050.3
10366+5440 LDS2870 2001 3 311 9.2 16.10 20.80 M2+M5 V 103638.94+544050.3
10366+5440 LDS2870 2015 4 311 9.2 16.10 20.80 M2+M5 V 103638.94+544050.3

If you need more information about this double, apply for a data request form to the WDS.