18572+0500 HEI 898

 
 
18h 57m 05.40s +04 58' 56.1" P.A. 183 sep 2.2 mag 11.34,12.20
 
 
Coord 2000
18572+0500
Discov num
HEI 898
Comp
Coord arcsec 2000
18 57 05.40 +04 58 56.1
Date first
1995
Date last
2008
Obs
3
Pa first
185
Pa last
183
P.A. Now (θ)
183°
Sep first
1.9
Sep last
2.2
Sep. Now (ρ)
2.2"
Mag pri
11.34
Mag sec
12.20
delta mag (ΔM)
0.86
Spectral class
Pri motion ra
+004
Sec motion ra
Pri motion dec
+014
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
183.3
Precise sep
2.23
Constellation
Serpens
last precise pa
183.3
last precise sep
2.23
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18572+0500 HEI 898 1995 1 185 1.9 11.34 12.20 185705.40+045856.1
18572+0500 HEI 898 2008 2 183 2.2 11.34 12.20 185705.40+045856.1

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