08521+0428 STF1290

 
 
08h 52m 03.40s +04 27' 58.0" P.A. 325 sep 2.8 mag 7.40,9.24 Sp A2 dist. 202.84 pc (661.66 l.y.)
 
 
Coord 2000
08521+0428
Discov num
STF1290
Comp
Coord arcsec 2000
08 52 03.40 +04 27 58.0
Date first
1830
Date last
2017
Obs
31
Pa first
320
Pa last
325
P.A. Now (θ)
325°
Sep first
3.0
Sep last
2.8
Sep. Now (ρ)
2.8"
Mag pri
7.40
Mag sec
9.24
delta mag (ΔM)
1.84
Spectral class
A2 (white)
Pri motion ra
-005
Sec motion ra
Pri motion dec
-006
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
324.7
Precise sep
2.775
Constellation
Hydra
HIP
43539
Tycho2
0220-00729-1
HD
75768
BD
BD+05 2073
Distance
202.84
Distance ly
661.66
last precise pa
324.7
last precise sep
2.775
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
08521+0428 STF1290 1998 29 326 2.8 7.40 9.24 A2 085203.40+042758.0
08521+0428 STF1290 2009 30 325 2.8 7.40 9.24 A2 085203.40+042758.0
08521+0428 STF1290 2017 31 325 2.8 7.40 9.24 A2 085203.40+042758.0

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