02162-2100 HJ 3491 (DS Cet)

 
 
02h 16m 09.34s -21 00' 29.7" P.A. 288 sep 6.8 mag 9.43,9.97 Sp G3V dist. 57.97 pc (189.1 l.y.)
 
 
Coord 2000
02162-2100
Discov num
HJ 3491
Comp
Coord arcsec 2000
02 16 09.34 -21 00 29.7
Date first
1835
Date last
2010
Obs
23
Pa first
286
Pa last
288
P.A. Now (θ)
288°
Sep first
5.0
Sep last
6.8
Sep. Now (ρ)
6.8"
Mag pri
9.43
Mag sec
9.97
delta mag (ΔM)
0.54
Spectral class
G3V (yellow)
Pri motion ra
+063
Sec motion ra
+047
Pri motion dec
-014
Sec motion dec
-005
Notes
rPM=0.284 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
288
Precise sep
6.8
Var name
DS Cet
Constellation
Cetus
HIP
10579
Tycho2
5861-00754-1
HD
14071
BD
BD-21 404
Distance
57.97
Distance ly
189.1
last precise pa
288
last precise sep
6.8
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
02162-2100 HJ 3491 1998 18 288 6.7 9.43 9.97 G3V D 021609.34-210029.7
02162-2100 HJ 3491 2009 20 289 6.7 9.43 9.97 G3V D 021609.34-210029.7
02162-2100 HJ 3491 2010 21 288 6.8 9.43 9.97 G3V D 021609.34-210029.7

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