18449+0253 HEI 562

 
 
18h 44m 54.20s +02 53' 25.7" P.A. 248 sep 0.4 mag 10.30,10.40 Sp F8
 
 
Coord 2000
18449+0253
Discov num
HEI 562
Comp
Coord arcsec 2000
18 44 54.20 +02 53 25.7
Date first
1989
Date last
1995
Obs
2
Pa first
248
Pa last
248
P.A. Now (θ)
248°
Sep first
0.4
Sep last
0.4
Sep. Now (ρ)
0.4"
Mag pri
10.30
Mag sec
10.40
delta mag (ΔM)
0.1
Spectral class
F8 (yellow-white)
Pri motion ra
+003
Sec motion ra
Pri motion dec
+000
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
247.5
Precise sep
0.35
Constellation
Serpens
Tycho2
0451-00931-1
last precise pa
247.5
last precise sep
0.35
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18449+0253 HEI 562 1995 2 248 0.4 10.30 10.40 F8 184454.20+025325.7

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