02311+1214 HEI 442

 
 
02h 31m 04.70s +12 13' 32.7" P.A. 339 sep 1.9 mag 10.18,11.40
 
 
Coord 2000
02311+1214
Discov num
HEI 442
Comp
Coord arcsec 2000
02 31 04.70 +12 13 32.7
Date first
1987
Date last
1996
Obs
3
Pa first
341
Pa last
339
P.A. Now (θ)
339°
Sep first
2.1
Sep last
1.9
Sep. Now (ρ)
1.9"
Mag pri
10.18
Mag sec
11.40
delta mag (ΔM)
1.22
Spectral class
Pri motion ra
-036
Sec motion ra
-036
Pri motion dec
-010
Sec motion dec
-010
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
339
Precise sep
1.94
Constellation
Aries
Tycho2
0635-00004-1
last precise pa
339
last precise sep
1.94
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
02311+1214 HEI 442 1996 3 339 1.9 10.18 11.40 023104.70+121332.7

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