01568+2303 BVD  21

 
 
01h 56m 47.26s +23 03' 04.0" P.A. 138.00 sep 59.2 mag 7.93,10.98 Sp G6V+K7V dist. 31.82 pc (103.8 l.y.)
 
 
Coord 2000
01568+2303
Discov num
BVD  21
Comp
Coord arcsec 2000
01 56 47.26 +23 03 04.0
Date first
1891
Date last
2015
Obs
13
Pa first
138
Pa last
138
P.A. Now (θ)
138°
Sep first
59.7
Sep last
59.2
Sep. Now (ρ)
59.2"
Mag pri
7.93
Mag sec
10.98
delta mag (ΔM)
3.05
Spectral class
G6V+K7V (yellow/yellow-orange)
Pri motion ra
-086
Sec motion ra
-084
Pri motion dec
-017
Sec motion dec
-017
Notes
N V (See Notes, Proper motion indicates physical)
Visually invisible, K-band or other infrared star rPM=0.023 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
137.9
Precise sep
59.233
Constellation
Aries
SAO
75038
HIP
9073
Tycho2
1757-00372-1
Gaia DR2
681349248
HD
11850
BD
BD+22 287
Distance
31.82
Distance ly
103.8
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
01568+2303 BVD 21 1998 3 138 59.4 7.93 10.98 G6V K7V V 015647.26+230304.0
01568+2303 BVD 21 2001 8 138 59.5 7.93 10.98 G6V K7V VD 015647.26+230304.0
01568+2303 BVD 21 2010 8 138 59.2 7.93 10.98 G6V+K7V NV 015647.26+230304.0
01568+2303 BVD 21 2015 10 138 59.3 7.93 10.98 G6V+K7V NVW 015647.26+230304.0

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