04241+1727 DRS  37AC

 
 
04h 24m 05.69s +17 26' 39.2" P.A. 85 sep 10 mag 4.41,9.64 Sp A7V dist. 49.48 pc (161.4 l.y.)
 
 
Coord 2000
04241+1727
Discov num
DRS  37
Comp
AC
Coord arcsec 2000
04 24 05.69 +17 26 39.2
Date first
1997
Date last
2007
Obs
2
Pa first
87
Pa last
85
P.A. Now (θ)
85°
Sep first
9.2
Sep last
10.0
Sep. Now (ρ)
10"
Mag pri
4.41
Mag sec
9.64
delta mag (ΔM)
5.23
Spectral class
A7V (white)
Pri motion ra
+108
Sec motion ra
Pri motion dec
-035
Sec motion dec
Notes
N K (See Notes, K-band or other infrared magnitudes)
Nature of this double is uncertain.
 
 
04241+1727 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 93907 04241+1727 OCC 952 Aa,Ab 1996 1996 0 0.0 5.60 5.60 0.00
Show Del2 Tau 93907 04241+1727 BUP 56 AB 1909 2000 4 248 146.0 4.81 14.65 9.84
Show 93907 04241+1727 DRS 37 AC 1997 2007 2 85 10.0 4.41 9.64 5.23 <===
Quadruple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
85.4
Precise sep
9.98
Cdsa2 id
DRS 37 AC
Constellation
Taurus
SAO
93907
HIP
20542
Tycho2
1269-01244-1
HD
27819
HR
1380
GC
5328
BD
BD+17 714
Bayer
Delta 2 Tauri
Bayer name
Del2 Tau
Flamsteed
64 Tauri
Flamsteed name
64 Tau
Ra deg
4.401580555555556
De deg
17.444222222222223
Distance
49.48
Distance ly
161.4
last precise pa
85.4
last precise sep
9.98
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
04241+1727 DRS 37 AC 2007 2 85 10.0 4.41 9.64 A7V N K 042405.69+172639.2

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