16027+1257 HEI 240

 
 
16h 02m 42.30s +12 57' 18.5" P.A. 115 sep 1.2 mag 9.84,10.73 Sp F2
 
 
Coord 2000
16027+1257
Discov num
HEI 240
Comp
Coord arcsec 2000
16 02 42.30 +12 57 18.5
Date first
1983
Date last
2015
Obs
7
Pa first
120
Pa last
115
P.A. Now (θ)
115°
Sep first
1.4
Sep last
1.2
Sep. Now (ρ)
1.2"
Mag pri
9.84
Mag sec
10.73
delta mag (ΔM)
0.89
Spectral class
F2 (yellow-white)
Pri motion ra
-007
Sec motion ra
-007
Pri motion dec
+010
Sec motion dec
+010
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
115.4
Precise sep
1.19
Constellation
Serpens
SAO
101889
Tycho2
0952-00907-1
last precise pa
115.4
last precise sep
1.19
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
16027+1257 HEI 240 2005 4 117 1.2 9.84 10.73 F2 160242.30+125718.5
16027+1257 HEI 240 2010 5 117 1.3 9.84 10.73 F2 160242.30+125718.5
16027+1257 HEI 240 2015 7 115 1.2 9.84 10.73 F2 160242.30+125718.5

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