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
2001
Obs
3
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
9.17
Constellation
Ursa Major
last precise pa
311.2
last precise sep
9.17
 
 
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

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