03545+1637 HEI  31

 
 
03h 54m 28.03s +16 36' 57.8" P.A. 239 sep 3.5 mag 6.90,11.10 Sp G0 dist. 20.43 pc (66.64 l.y.)
 
 
Coord 2000
03545+1637
Discov num
HEI  31
Comp
Coord arcsec 2000
03 54 28.03 +16 36 57.8
Date first
1979
Date last
2015
Obs
3
Pa first
254
Pa last
239
P.A. Now (θ)
239°
Sep first
2.6
Sep last
3.5
Sep. Now (ρ)
3.5"
Mag pri
6.90
Mag sec
11.10
delta mag (ΔM)
4.2
Spectral class
G0 (yellow)
Pri motion ra
+227
Sec motion ra
Pri motion dec
-172
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
239.4
Precise sep
3.54
Constellation
Taurus
SAO
93662
HIP
18267
Tycho2
1249-01065-1
HD
24496
GL
NN 3255
BD
BD+16 527
Distance
20.43
Distance ly
66.64
last precise pa
239.4
last precise sep
3.54
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
03545+1637 HEI 31 1988 2 256 2.7 6.90 11.10 G0 035427.90+163659.2
03545+1637 HEI 31 2015 3 178 4.3 6.90 11.10 G0 035428.03+163657.8

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