21591+0116 HJ 3078

 
 
21h 59m 07.86s +01 16' 25.5" P.A. 181.00 sep 4.6 mag 10.45,10.84 Sp K0
 
 
Coord 2000
21591+0116
Discov num
HJ 3078
Comp
Coord arcsec 2000
21 59 07.86 +01 16 25.5
Date first
1830
Date last
2018
Obs
30
Pa first
195
Pa last
181
P.A. Now (θ)
181°
Sep first
3.0
Sep last
4.6
Sep. Now (ρ)
4.6"
Mag pri
10.45
Mag sec
10.84
delta mag (ΔM)
0.39
Spectral class
K0 (yellow-orange)
Pri motion ra
+035
Sec motion ra
+041
Pri motion dec
+018
Sec motion dec
+006
Notes
rPM=0.324
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
180.7
Precise sep
4.564
Constellation
Aquarius
Tycho2
0545-00811-1
Gaia DR2
2681577846463626752
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21591+0116 HJ 3078 2003 24 183 4.4 10.45 10.84 K0 D 215907.86+011625.5
21591+0116 HJ 3078 2010 26 178 3.4 10.45 10.84 K0 215907.86+011625.5
21591+0116 HJ 3078 2016 27 181 4.4 10.45 10.84 K0 215907.86+011625.5
21591+0116 HJ 3078 2018 29 181 4.6 10.45 10.84 K0 215907.86+011625.5

If you need more information about this double, apply for a data request form to the WDS.