02012+1634 BU  515

 
 
02h 01m 09.75s +16 33' 54.5" P.A. 273 sep 0.5 mag 7.70,11.23 Sp F2 dist. 76.75 pc (250.36 l.y.)
 
 
Coord 2000
02012+1634
Discov num
BU  515
Comp
Coord arcsec 2000
02 01 09.75 +16 33 54.5
Date first
1878
Date last
2004
Obs
17
Pa first
243
Pa last
273
P.A. Now (θ)
273°
Sep first
1.5
Sep last
0.5
Sep. Now (ρ)
0.5"
Mag pri
7.70
Mag sec
11.23
delta mag (ΔM)
3.53
Spectral class
F2 (yellow-white)
Pri motion ra
-042
Sec motion ra
-043
Pri motion dec
-026
Sec motion dec
-026
Notes
rPM=0.02 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
272.9
Precise sep
0.53
Constellation
Aries
SAO
92750
HIP
9434
Tycho2
1207-00660-1
HD
12315
BD
BD+15 292
Distance
76.75
Distance ly
250.36
last precise pa
272.9
last precise sep
0.53
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
02012+1634 BU 515 1999 16 269 0.7 7.70 11.23 F2 D 020109.75+163354.5
02012+1634 BU 515 2004 17 273 0.5 7.70 11.23 F2 020109.75+163354.5

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