17499+4151 LDS4765

 
 
17h 49m 54.98s +41 51' 18.1" P.A. 178 sep 10.6 mag 18.20,18.80 Sp M4+M4
 
 
Coord 2000
17499+4151
Discov num
LDS4765
Comp
Coord arcsec 2000
17 49 54.98 +41 51 18.1
Date first
1960
Date last
2010
Obs
4
Pa first
179
Pa last
178
P.A. Now (θ)
178°
Sep first
10.5
Sep last
10.6
Sep. Now (ρ)
10.6"
Mag pri
18.20
Mag sec
18.80
delta mag (ΔM)
0.6
Spectral class
M4+M4 (red/red)
Pri motion ra
-032
Sec motion ra
-032
Pri motion dec
+089
Sec motion dec
+089
Notes
V (Proper motion indicates physical)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
177.7
Precise sep
10.64
Constellation
Hercules
last precise pa
177.7
last precise sep
10.64
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17499+4151 LDS4765 1998 2 178 10.7 18.20 18.80 D 174954.98+415118.1
17499+4151 LDS4765 2002 3 178 10.7 18.20 18.80 M4+M4 V 174954.98+415118.1
17499+4151 LDS4765 2010 4 179 10.1 18.20 18.80 M4+M4 V 174954.98+415118.1

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