02217+8435 MLR 487

 
 
02h 21m 39.34s +84 35' 08.0" P.A. 270.00 sep 1.6 mag 9.30,12.80 Sp A2
 
 
Coord 2000
02217+8435
Discov num
MLR 487
Comp
Coord arcsec 2000
02 21 39.34 +84 35 08.0
Date first
1973
Date last
2016
Obs
2
Pa first
275
Pa last
270
P.A. Now (θ)
270°
Sep first
1.1
Sep last
1.6
Sep. Now (ρ)
1.6"
Mag pri
9.30
Mag sec
12.80
delta mag (ΔM)
3.5
Spectral class
A2 (white)
Pri motion ra
+010
Sec motion ra
Pri motion dec
-001
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
269.9
Precise sep
1.557
Constellation
Hydra
SAO
367
Tycho2
4620-00640-1
Gaia DR2
572978671993564928
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
02217+8435 MLR 487 1973 1 275 1.1 9.30 12.80 022139.34+843508.0

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