09276+0901 SLW 357 (Alp Hya)

 
 
09h 27m 34.28s +09° 00' 40.2" P.A. 51.00 sep 20.4 mag 17.30,18.60 Sp M3.6+M4.4 dist. 55.28 pc (180.32 l.y.)
 
 
Coord 2000 09276+0901 Discov num SLW 357 Comp Coord arcsec 2000 09 27 34.28 +09 00 40.2
Date first 2000 Date last 2016 Obs 8
Pa first 51 Pa last 51.4 P.A. Now (θ) 51.4°
Sep first 20.4 Sep last 20.405 Sep. Now (ρ) 20.405"
Mag pri 17.30 Mag sec 18.60 delta mag (ΔM) 1.3 Spectral class M3.6+M4.4 (red/red)
Pri motion ra -044 Sec motion ra -040
Pri motion dec -022 Sec motion dec -018
Notes V R (Proper motion indicates physical, Red magnitudes)
rPM=0.115 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name Alp Hya Var name NSV4496 Hya Constellation Leo SAO 136871
HIP 46390 Tycho2 5460-01592-1 Gaia DR2 588928599982617344 HD 81797
HR 3748 GC 13044 BD BD-08 2680 Bayer Alpha Hydrae
Bayer name Alp Hya FK5 354 Distance 55.28 Distance ly 180.32
Bayer greek α Hya
Bayer or Flamsteed indentifiers not always match the correct constellation because of procession and proper motion of the star. (Hya vs Leo)