20374-1509 UC 4237 (Tau1 Cap)

 
 
20h 37m 21.20s -15 08' 50.4" P.A. 111 sep 76.1 mag 6.90,15.13 Sp K3III dist. 259.07 pc (845.09 l.y.)
 
 
Coord 2000
20374-1509
Discov num
UC 4237
Comp
Coord arcsec 2000
20 37 21.20 -15 08 50.4
Date first
1998
Date last
2015
Obs
4
Pa first
111
Pa last
111
P.A. Now (θ)
111°
Sep first
75.9
Sep last
76.1
Sep. Now (ρ)
76.1"
Mag pri
6.90
Mag sec
15.13
delta mag (ΔM)
8.23
Spectral class
K3III (yellow-orange)
Pri motion ra
+062
Sec motion ra
+063
Pri motion dec
-046
Sec motion dec
-048
Notes
V (Proper motion indicates physical)
rPM=0.028 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
111.1
Precise sep
76.09
Name
Tau1 Cap
Constellation
Capricornus
SAO
163740
HIP
101751
Tycho2
6330-01286-1
Gaia DR2
30458503168
HD
196348
GC
28694
BD
BD-15 5732
Bayer
Tau 1 Capricorni
Bayer name
Tau1 Cap
Flamsteed
13 Capricorni
Flamsteed name
13 Cap
Distance
259.07
Distance ly
845.09
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20374-1509 UC 4237 1999 2 112 76.4 6.90 15.10 V 203721.20-150850.4
20374-1509 UC 4237 2000 2 111 76.1 6.90 15.10 V 203721.20-150850.4
20374-1509 UC 4237 2010 3 111 76.1 6.90 15.13 K3III V 203721.20-150850.4
20374-1509 UC 4237 2015 4 111 76.1 6.90 15.13 K3III V 203721.20-150850.4

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